diff options
| -rw-r--r-- | release/scripts/startup/bl_ui/space_view3d.py | 32 | ||||
| -rw-r--r-- | source/blender/editors/space_view3d/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_draw.c | 4322 | ||||
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_draw_legacy.c | 4362 | ||||
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_header.c | 6 | ||||
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_intern.h | 6 | ||||
| -rw-r--r-- | source/blender/makesdna/DNA_view3d_types.h | 1 | ||||
| -rw-r--r-- | source/blender/makesrna/intern/rna_space.c | 6 |
8 files changed, 4417 insertions, 4319 deletions
diff --git a/release/scripts/startup/bl_ui/space_view3d.py b/release/scripts/startup/bl_ui/space_view3d.py index 85011415192..3b379dfab43 100644 --- a/release/scripts/startup/bl_ui/space_view3d.py +++ b/release/scripts/startup/bl_ui/space_view3d.py @@ -3090,7 +3090,7 @@ class VIEW3D_PT_view3d_display(Panel): @classmethod def poll(cls, context): view = context.space_data - return (view) + return (view) and not view.use_modern_viewport def draw(self, context): layout = self.layout @@ -3188,6 +3188,11 @@ class VIEW3D_PT_view3d_shading(Panel): bl_region_type = 'UI' bl_label = "Shading" + @classmethod + def poll(cls, context): + view = context.space_data + return (view) and not view.use_modern_viewport + def draw(self, context): layout = self.layout @@ -3629,6 +3634,31 @@ class VIEW3D_PT_context_properties(Panel): rna_prop_ui.draw(self.layout, context, member, object, False) +class VIEW3D_PT_viewport_debug(Panel): + bl_space_type = 'VIEW_3D' + bl_region_type = 'UI' + bl_label = "..." + bl_options = {'DEFAULT_CLOSED'} + + @classmethod + def poll(cls, context): + view = context.space_data + return (view) + + def draw_header(self, context): + view = context.space_data + self.layout.prop(view, "use_modern_viewport") + + def draw(self, context): + layout = self.layout + view = context.space_data + + layout.active = view.use_modern_viewport + + col = layout.column() + col.label(text="Placeholder for debugging options") + + def register(): bpy.utils.register_module(__name__) diff --git a/source/blender/editors/space_view3d/CMakeLists.txt b/source/blender/editors/space_view3d/CMakeLists.txt index a5c60248bf1..8fca2ed564e 100644 --- a/source/blender/editors/space_view3d/CMakeLists.txt +++ b/source/blender/editors/space_view3d/CMakeLists.txt @@ -52,6 +52,7 @@ set(SRC view3d_buttons.c view3d_camera_control.c view3d_draw.c + view3d_draw_legacy.c view3d_edit.c view3d_fly.c view3d_walk.c diff --git a/source/blender/editors/space_view3d/view3d_draw.c b/source/blender/editors/space_view3d/view3d_draw.c index 422e0a9d493..559c0e7253c 100644 --- a/source/blender/editors/space_view3d/view3d_draw.c +++ b/source/blender/editors/space_view3d/view3d_draw.c @@ -28,4335 +28,25 @@ * \ingroup spview3d */ -#include <string.h> -#include <stdio.h> -#include <math.h> - -#include "DNA_armature_types.h" -#include "DNA_camera_types.h" -#include "DNA_customdata_types.h" -#include "DNA_object_types.h" -#include "DNA_group_types.h" -#include "DNA_mesh_types.h" -#include "DNA_key_types.h" -#include "DNA_lamp_types.h" -#include "DNA_scene_types.h" -#include "DNA_world_types.h" -#include "DNA_brush_types.h" - -#include "MEM_guardedalloc.h" - -#include "BLI_blenlib.h" -#include "BLI_math.h" -#include "BLI_jitter.h" -#include "BLI_utildefines.h" -#include "BLI_endian_switch.h" -#include "BLI_threads.h" - -#include "BKE_anim.h" -#include "BKE_camera.h" -#include "BKE_context.h" -#include "BKE_customdata.h" -#include "BKE_DerivedMesh.h" -#include "BKE_image.h" -#include "BKE_key.h" -#include "BKE_main.h" -#include "BKE_object.h" -#include "BKE_global.h" -#include "BKE_paint.h" -#include "BKE_scene.h" -#include "BKE_screen.h" -#include "BKE_unit.h" -#include "BKE_movieclip.h" - -#include "RE_engine.h" - -#include "IMB_imbuf_types.h" -#include "IMB_imbuf.h" -#include "IMB_colormanagement.h" - #include "BIF_gl.h" -#include "BIF_glutil.h" - -#include "WM_api.h" -#include "BLF_api.h" -#include "BLT_translation.h" - -#include "ED_armature.h" -#include "ED_keyframing.h" -#include "ED_gpencil.h" #include "ED_screen.h" -#include "ED_space_api.h" -#include "ED_screen_types.h" -#include "ED_transform.h" - -#include "UI_interface.h" -#include "UI_interface_icons.h" -#include "UI_resources.h" -#include "GPU_draw.h" -#include "GPU_framebuffer.h" -#include "GPU_material.h" -#include "GPU_compositing.h" -#include "GPU_extensions.h" -#include "GPU_immediate.h" +#include "BKE_context.h" #include "view3d_intern.h" /* own include */ -/* prototypes */ -static void view3d_stereo3d_setup(Scene *scene, View3D *v3d, ARegion *ar); -static void view3d_stereo3d_setup_offscreen(Scene *scene, View3D *v3d, ARegion *ar, - float winmat[4][4], const char *viewname); - -/* handy utility for drawing shapes in the viewport for arbitrary code. - * could add lines and points too */ -// #define DEBUG_DRAW -#ifdef DEBUG_DRAW -static void bl_debug_draw(void); -/* add these locally when using these functions for testing */ -extern void bl_debug_draw_quad_clear(void); -extern void bl_debug_draw_quad_add(const float v0[3], const float v1[3], const float v2[3], const float v3[3]); -extern void bl_debug_draw_edge_add(const float v0[3], const float v1[3]); -extern void bl_debug_color_set(const unsigned int col); -#endif - -void circ(float x, float y, float rad) -{ - glBegin(GL_LINE_LOOP); - const int segments = 32; - for (int i = 0; i < segments; ++i) { - float angle = 2 * M_PI * ((float)i / (float)segments); - glVertex2f(x + rad * cosf(angle), - y + rad * sinf(angle)); - } - glEnd(); -} - - -/* ********* custom clipping *********** */ - -static void view3d_draw_clipping(RegionView3D *rv3d) -{ - BoundBox *bb = rv3d->clipbb; - - if (bb) { - const unsigned int clipping_index[6][4] = { - {0, 1, 2, 3}, - {0, 4, 5, 1}, - {4, 7, 6, 5}, - {7, 3, 2, 6}, - {1, 5, 6, 2}, - {7, 4, 0, 3} - }; - - /* fill in zero alpha for rendering & re-projection [#31530] */ - unsigned char col[4]; - UI_GetThemeColor4ubv(TH_V3D_CLIPPING_BORDER, col); - glColor4ubv(col); - - glEnable(GL_BLEND); - glEnableClientState(GL_VERTEX_ARRAY); - glVertexPointer(3, GL_FLOAT, 0, bb->vec); - glDrawElements(GL_QUADS, sizeof(clipping_index) / sizeof(unsigned int), GL_UNSIGNED_INT, clipping_index); - glDisableClientState(GL_VERTEX_ARRAY); - glDisable(GL_BLEND); - } -} - -void ED_view3d_clipping_set(RegionView3D *rv3d) -{ - double plane[4]; - const unsigned int tot = (rv3d->viewlock & RV3D_BOXCLIP) ? 4 : 6; - unsigned int a; - - for (a = 0; a < tot; a++) { - copy_v4db_v4fl(plane, rv3d->clip[a]); - glClipPlane(GL_CLIP_PLANE0 + a, plane); - glEnable(GL_CLIP_PLANE0 + a); - } -} - -/* use these to temp disable/enable clipping when 'rv3d->rflag & RV3D_CLIPPING' is set */ -void ED_view3d_clipping_disable(void) -{ - unsigned int a; - - for (a = 0; a < 6; a++) { - glDisable(GL_CLIP_PLANE0 + a); - } -} -void ED_view3d_clipping_enable(void) -{ - unsigned int a; - - for (a = 0; a < 6; a++) { - glEnable(GL_CLIP_PLANE0 + a); - } -} - -static bool view3d_clipping_test(const float co[3], const float clip[6][4]) -{ - if (plane_point_side_v3(clip[0], co) > 0.0f) - if (plane_point_side_v3(clip[1], co) > 0.0f) - if (plane_point_side_v3(clip[2], co) > 0.0f) - if (plane_point_side_v3(clip[3], co) > 0.0f) - return false; - - return true; -} - -/* for 'local' ED_view3d_clipping_local must run first - * then all comparisons can be done in localspace */ -bool ED_view3d_clipping_test(const RegionView3D *rv3d, const float co[3], const bool is_local) -{ - return view3d_clipping_test(co, is_local ? rv3d->clip_local : rv3d->clip); -} - -/* ********* end custom clipping *********** */ - -#define DEBUG_GRID 0 - -static void gridline_range(double x0, double dx, double max, int* first_out, int* count_out) -{ - /* determine range of gridlines that appear in this Area -- similar calc but separate ranges for x & y - * x0 is gridline 0, the axis in screen space - * Area covers [0 .. max) pixels */ - - int first = (int)ceil(-x0 / dx); - int last = (int)floor((max - x0) / dx); - - if (first <= last) { - *first_out = first; - *count_out = last - first + 1; - } - else { - *first_out = 0; - *count_out = 0; - } - -#if DEBUG_GRID - printf(" first %d * dx = %f\n", first, x0 + first * dx); - printf(" last %d * dx = %f\n", last, x0 + last * dx); - printf(" count = %d\n", *count_out); -#endif -} - -static int gridline_count(ARegion *ar, double x0, double y0, double dx) -{ - /* x0 & y0 establish the "phase" of the grid within this 2D region - * dx is the frequency, shared by x & y directions - * pass in dx of smallest (highest precision) grid we want to draw */ - -#if DEBUG_GRID - printf(" %s(%f, %f, dx:%f)\n", __FUNCTION__, x0, y0, dx); -#endif - - int first, x_ct, y_ct; - - gridline_range(x0, dx, ar->winx, &first, &x_ct); - gridline_range(y0, dx, ar->winy, &first, &y_ct); - - int total_ct = x_ct + y_ct; - -#if DEBUG_GRID - printf(" %d + %d = %d gridlines\n", x_ct, y_ct, total_ct); -#endif - - return total_ct; -} - -static bool drawgrid_draw(ARegion *ar, double x0, double y0, double dx, int skip_mod, unsigned pos, unsigned col, GLubyte col_value[3]) -{ - /* skip every skip_mod lines relative to each axis; they will be overlaid by another drawgrid_draw - * always skip exact x0 & y0 axes; they will be drawn later in color - * - * set grid color once, just before the first line is drawn - * it's harmless to set same color for every line, or every vertex - * but if no lines are drawn, color must not be set! */ - -#if DEBUG_GRID - printf(" %s(%f, %f, dx:%f, skip_mod:%d)\n", __FUNCTION__, x0, y0, dx, skip_mod); -#endif - - const float x_max = (float)ar->winx; - const float y_max = (float)ar->winy; - - int first, ct; - int x_ct = 0, y_ct = 0; /* count of lines actually drawn */ - int lines_skipped_for_next_unit = 0; - - /* draw vertical lines */ - gridline_range(x0, dx, x_max, &first, &ct); - - for (int i = first; i < first + ct; ++i) { - if (i == 0) - continue; - else if (skip_mod && (i % skip_mod) == 0) { - ++lines_skipped_for_next_unit; - continue; - } - - if (x_ct == 0) - immAttrib3ub(col, col_value[0], col_value[1], col_value[2]); - - float x = (float)(x0 + i * dx); - immVertex2f(pos, x, 0.0f); - immVertex2f(pos, x, y_max); - ++x_ct; - } - - /* draw horizontal lines */ - gridline_range(y0, dx, y_max, &first, &ct); - - for (int i = first; i < first + ct; ++i) { - if (i == 0) - continue; - else if (skip_mod && (i % skip_mod) == 0) { - ++lines_skipped_for_next_unit; - continue; - } - - if (x_ct + y_ct == 0) - immAttrib3ub(col, col_value[0], col_value[1], col_value[2]); - - float y = (float)(y0 + i * dx); - immVertex2f(pos, 0.0f, y); - immVertex2f(pos, x_max, y); - ++y_ct; - } - -#if DEBUG_GRID - int total_ct = x_ct + y_ct; - printf(" %d + %d = %d gridlines drawn, %d skipped for next unit\n", x_ct, y_ct, total_ct, lines_skipped_for_next_unit); -#endif - - return lines_skipped_for_next_unit > 0; -} - -#define GRID_MIN_PX_D 6.0 -#define GRID_MIN_PX_F 6.0f - -static void drawgrid(UnitSettings *unit, ARegion *ar, View3D *v3d, const char **grid_unit) -{ - RegionView3D *rv3d = ar->regiondata; - -#if DEBUG_GRID - printf("%s width %d, height %d\n", __FUNCTION__, ar->winx, ar->winy); -#endif - - double fx = rv3d->persmat[3][0]; - double fy = rv3d->persmat[3][1]; - double fw = rv3d->persmat[3][3]; - - const double wx = 0.5 * ar->winx; /* use double precision to avoid rounding errors */ - const double wy = 0.5 * ar->winy; - - double x = wx * fx / fw; - double y = wy * fy / fw; - - double vec4[4] = { v3d->grid, v3d->grid, 0.0, 1.0 }; - mul_m4_v4d(rv3d->persmat, vec4); - fx = vec4[0]; - fy = vec4[1]; - fw = vec4[3]; - - double dx = fabs(x - wx * fx / fw); - if (dx == 0) dx = fabs(y - wy * fy / fw); - - x += wx; - y += wy; - - /* now x, y, and dx have their final values - * (x,y) is the world origin (0,0,0) mapped to Area-relative screen space - * dx is the distance in pixels between grid lines -- same for horiz or vert grid lines */ - - glLineWidth(1.0f); - - glDepthMask(GL_FALSE); /* disable write in zbuffer */ - - VertexFormat* format = immVertexFormat(); - unsigned pos = add_attrib(format, "pos", GL_FLOAT, 2, KEEP_FLOAT); - unsigned color = add_attrib(format, "color", GL_UNSIGNED_BYTE, 3, NORMALIZE_INT_TO_FLOAT); - - immBindBuiltinProgram(GPU_SHADER_2D_FLAT_COLOR); - - unsigned char col[3], col2[3]; - UI_GetThemeColor3ubv(TH_GRID, col); - - if (unit->system) { - const void *usys; - int len; - - bUnit_GetSystem(unit->system, B_UNIT_LENGTH, &usys, &len); - - bool first = true; - - if (usys) { - int i = len; - while (i--) { - double scalar = bUnit_GetScaler(usys, i); - - double dx_scalar = dx * scalar / (double)unit->scale_length; - if (dx_scalar < (GRID_MIN_PX_D * 2.0)) { - /* very very small grid items are less useful when dealing with units */ - continue; - } - - if (first) { - first = false; - - /* Store the smallest drawn grid size units name so users know how big each grid cell is */ - *grid_unit = bUnit_GetNameDisplay(usys, i); - rv3d->gridview = (float)((scalar * (double)v3d->grid) / (double)unit->scale_length); - - int gridline_ct = gridline_count(ar, x, y, dx_scalar); - if (gridline_ct == 0) - goto drawgrid_cleanup; /* nothing to draw */ - - immBegin(GL_LINES, gridline_ct * 2); - } - - float blend_fac = 1.0f - ((GRID_MIN_PX_F * 2.0f) / (float)dx_scalar); - /* tweak to have the fade a bit nicer */ - blend_fac = (blend_fac * blend_fac) * 2.0f; - CLAMP(blend_fac, 0.3f, 1.0f); - - UI_GetThemeColorBlend3ubv(TH_HIGH_GRAD, TH_GRID, blend_fac, col2); - - const int skip_mod = (i == 0) ? 0 : (int)round(bUnit_GetScaler(usys, i - 1) / scalar); -#if DEBUG_GRID - printf("%s %f, ", bUnit_GetNameDisplay(usys, i), scalar); - if (i > 0) - printf("next unit is %d times larger\n", skip_mod); - else - printf("largest unit\n"); -#endif - if (!drawgrid_draw(ar, x, y, dx_scalar, skip_mod, pos, color, col2)) - break; - } - } - } - else { - const double sublines = v3d->gridsubdiv; - const float sublines_fl = v3d->gridsubdiv; - - int grids_to_draw = 2; /* first the faint fine grid, then the bold coarse grid */ - - if (dx < GRID_MIN_PX_D) { - rv3d->gridview *= sublines_fl; - dx *= sublines; - if (dx < GRID_MIN_PX_D) { - rv3d->gridview *= sublines_fl; - dx *= sublines; - if (dx < GRID_MIN_PX_D) { - rv3d->gridview *= sublines_fl; - dx *= sublines; - grids_to_draw = (dx < GRID_MIN_PX_D) ? 0 : 1; - } - } - } - else { - if (dx > (GRID_MIN_PX_D * 10.0)) { /* start blending in */ - rv3d->gridview /= sublines_fl; - dx /= sublines; - if (dx > (GRID_MIN_PX_D * 10.0)) { /* start blending in */ - rv3d->gridview /= sublines_fl; - dx /= sublines; - if (dx > (GRID_MIN_PX_D * 10.0)) { - grids_to_draw = 1; - } - } - } - } - - int gridline_ct = gridline_count(ar, x, y, dx); - if (gridline_ct == 0) - goto drawgrid_cleanup; /* nothing to draw */ - - immBegin(GL_LINES, gridline_ct * 2); - - if (grids_to_draw == 2) { - UI_GetThemeColorBlend3ubv(TH_HIGH_GRAD, TH_GRID, dx / (GRID_MIN_PX_D * 6.0), col2); - if (drawgrid_draw(ar, x, y, dx, v3d->gridsubdiv, pos, color, col2)) - drawgrid_draw(ar, x, y, dx * sublines, 0, pos, color, col); - } - else if (grids_to_draw == 1) { - drawgrid_draw(ar, x, y, dx, 0, pos, color, col); - } - } - - /* draw visible axes */ - /* horizontal line */ - if (0 <= y && y < ar->winy) { - UI_make_axis_color(col, col2, ELEM(rv3d->view, RV3D_VIEW_RIGHT, RV3D_VIEW_LEFT) ? 'Y' : 'X'); - immAttrib3ub(color, col2[0], col2[1], col2[2]); - immVertex2f(pos, 0.0f, y); - immVertex2f(pos, (float)ar->winx, y); - } - - /* vertical line */ - if (0 <= x && x < ar->winx) { - UI_make_axis_color(col, col2, ELEM(rv3d->view, RV3D_VIEW_TOP, RV3D_VIEW_BOTTOM) ? 'Y' : 'Z'); - immAttrib3ub(color, col2[0], col2[1], col2[2]); - immVertex2f(pos, x, 0.0f); - immVertex2f(pos, x, (float)ar->winy); - } - - immEnd(); - -drawgrid_cleanup: - immUnbindProgram(); - glDepthMask(GL_TRUE); /* enable write in zbuffer */ -} - -#undef DEBUG_GRID -#undef GRID_MIN_PX_D -#undef GRID_MIN_PX_F - -/** could move this elsewhere, but tied into #ED_view3d_grid_scale */ -float ED_scene_grid_scale(Scene *scene, const char **grid_unit) -{ - /* apply units */ - if (scene->unit.system) { - const void *usys; - int len; - - bUnit_GetSystem(scene->unit.system, B_UNIT_LENGTH, &usys, &len); - - if (usys) { - int i = bUnit_GetBaseUnit(usys); - if (grid_unit) - *grid_unit = bUnit_GetNameDisplay(usys, i); - return (float)bUnit_GetScaler(usys, i) / scene->unit.scale_length; - } - } - - return 1.0f; -} - -float ED_view3d_grid_scale(Scene *scene, View3D *v3d, const char **grid_unit) -{ - return v3d->grid * ED_scene_grid_scale(scene, grid_unit); -} - -static void drawfloor(Scene *scene, View3D *v3d, const char **grid_unit, bool write_depth) -{ - /* draw only if there is something to draw */ - if (v3d->gridflag & (V3D_SHOW_FLOOR | V3D_SHOW_X | V3D_SHOW_Y | V3D_SHOW_Z)) { - /* draw how many lines? - * trunc(v3d->gridlines / 2) * 4 - * + 2 for xy axes (possibly with special colors) - * + 1 for z axis (the only line not in xy plane) - * even v3d->gridlines are honored, odd rounded down */ - const int gridlines = v3d->gridlines / 2; - const float grid_scale = ED_view3d_grid_scale(scene, v3d, grid_unit); - const float grid = gridlines * grid_scale; - - const bool show_floor = (v3d->gridflag & V3D_SHOW_FLOOR) && gridlines >= 1; - - bool show_axis_x = v3d->gridflag & V3D_SHOW_X; - bool show_axis_y = v3d->gridflag & V3D_SHOW_Y; - bool show_axis_z = v3d->gridflag & V3D_SHOW_Z; - - unsigned char col_grid[3], col_axis[3]; - - glLineWidth(1.0f); - - UI_GetThemeColor3ubv(TH_GRID, col_grid); - - if (!write_depth) - glDepthMask(GL_FALSE); - - if (show_floor) { - const unsigned vertex_ct = 2 * (gridlines * 4 + 2); - const int sublines = v3d->gridsubdiv; - - unsigned char col_bg[3], col_grid_emphasise[3], col_grid_light[3]; - - VertexFormat* format = immVertexFormat(); - unsigned pos = add_attrib(format, "pos", GL_FLOAT, 2, KEEP_FLOAT); - unsigned color = add_attrib(format, "color", GL_UNSIGNED_BYTE, 3, NORMALIZE_INT_TO_FLOAT); - - immBindBuiltinProgram(GPU_SHADER_3D_FLAT_COLOR); - - glDepthFunc(GL_ALWAYS); /* draw lines in order given */ - - immBegin(GL_LINES, vertex_ct); - - /* draw normal grid lines */ - UI_GetColorPtrShade3ubv(col_grid, col_grid_light, 10); - immAttrib3ubv(color, col_grid_light); - - for (int a = 1; a <= gridlines; a++) { - /* skip emphasised divider lines */ - if (a % sublines != 0) { - const float line = a * grid_scale; - - immVertex2f(pos, -grid, -line); - immVertex2f(pos, +grid, -line); - immVertex2f(pos, -grid, +line); - immVertex2f(pos, +grid, +line); - - immVertex2f(pos, -line, -grid); - immVertex2f(pos, -line, +grid); - immVertex2f(pos, +line, -grid); - immVertex2f(pos, +line, +grid); - } - } - - /* draw emphasised grid lines */ - UI_GetThemeColor3ubv(TH_BACK, col_bg); - /* emphasise division lines lighter instead of darker, if background is darker than grid */ - UI_GetColorPtrShade3ubv(col_grid, col_grid_emphasise, - (col_grid[0] + col_grid[1] + col_grid[2] + 30 > - col_bg[0] + col_bg[1] + col_bg[2]) ? 20 : -10); - - if (sublines <= gridlines) { - immAttrib3ubv(color, col_grid_emphasise); - - for (int a = sublines; a <= gridlines; a += sublines) { - const float line = a * grid_scale; - - immVertex2f(pos, -grid, -line); - immVertex2f(pos, +grid, -line); - immVertex2f(pos, -grid, +line); - immVertex2f(pos, +grid, +line); - - immVertex2f(pos, -line, -grid); - immVertex2f(pos, -line, +grid); - immVertex2f(pos, +line, -grid); - immVertex2f(pos, +line, +grid); - } - } - - /* draw X axis */ - if (show_axis_x) { - show_axis_x = false; /* drawing now, won't need to draw later */ - UI_make_axis_color(col_grid, col_axis, 'X'); - immAttrib3ubv(color, col_axis); - } - else - immAttrib3ubv(color, col_grid_emphasise); - - immVertex2f(pos, -grid, 0.0f); - immVertex2f(pos, +grid, 0.0f); - - /* draw Y axis */ - if (show_axis_y) { - show_axis_y = false; /* drawing now, won't need to draw later */ - UI_make_axis_color(col_grid, col_axis, 'Y'); - immAttrib3ubv(color, col_axis); - } - else - immAttrib3ubv(color, col_grid_emphasise); - - immVertex2f(pos, 0.0f, -grid); - immVertex2f(pos, 0.0f, +grid); - - immEnd(); - immUnbindProgram(); - - /* done with XY plane */ - - glDepthFunc(GL_LESS); /* restore default */ - } - - if (show_axis_x || show_axis_y || show_axis_z) { - /* draw axis lines -- sometimes grid floor is off, other times we still need to draw the Z axis */ - - VertexFormat* format = immVertexFormat(); - unsigned pos = add_attrib(format, "pos", GL_FLOAT, 3, KEEP_FLOAT); - unsigned color = add_attrib(format, "color", GL_UNSIGNED_BYTE, 3, NORMALIZE_INT_TO_FLOAT); - - immBindBuiltinProgram(GPU_SHADER_3D_FLAT_COLOR); - immBegin(GL_LINES, (show_axis_x + show_axis_y + show_axis_z) * 2); - - if (show_axis_x) { - UI_make_axis_color(col_grid, col_axis, 'X'); - immAttrib3ubv(color, col_axis); - immVertex3f(pos, -grid, 0.0f, 0.0f); - immVertex3f(pos, +grid, 0.0f, 0.0f); - } - - if (show_axis_y) { - UI_make_axis_color(col_grid, col_axis, 'Y'); - immAttrib3ubv(color, col_axis); - immVertex3f(pos, 0.0f, -grid, 0.0f); - immVertex3f(pos, 0.0f, +grid, 0.0f); - } - - if (show_axis_z) { - UI_make_axis_color(col_grid, col_axis, 'Z'); - immAttrib3ubv(color, col_axis); - immVertex3f(pos, 0.0f, 0.0f, -grid); - immVertex3f(pos, 0.0f, 0.0f, +grid); - } - - immEnd(); - immUnbindProgram(); - } - - if (!write_depth) - glDepthMask(GL_TRUE); - } -} - -static void drawcursor(Scene *scene, ARegion *ar, View3D *v3d) -{ - int co[2]; - - /* we don't want the clipping for cursor */ - if (ED_view3d_project_int_global(ar, ED_view3d_cursor3d_get(scene, v3d), co, V3D_PROJ_TEST_NOP) == V3D_PROJ_RET_OK) { - const float f5 = 0.25f * U.widget_unit; - const float f10 = 0.5f * U.widget_unit; - const float f20 = U.widget_unit; - - glLineWidth(1); - - VertexFormat* format = immVertexFormat(); - unsigned pos = add_attrib(format, "pos", GL_FLOAT, 2, KEEP_FLOAT); - unsigned color = add_attrib(format, "color", GL_UNSIGNED_BYTE, 3, NORMALIZE_INT_TO_FLOAT); - - immBindBuiltinProgram(GPU_SHADER_2D_FLAT_COLOR); - - const int segments = 16; - - immBegin(GL_LINE_LOOP, segments); - - for (int i = 0; i < segments; ++i) { - float angle = 2 * M_PI * ((float)i / (float)segments); - float x = co[0] + f10 * cosf(angle); - float y = co[1] + f10 * sinf(angle); - - if (i % 2 == 0) - immAttrib3ub(color, 255, 0, 0); - else - immAttrib3ub(color, 255, 255, 255); - - immVertex2f(pos, x, y); - } - immEnd(); - - immUnbindProgram(); - - VertexFormat_clear(format); - pos = add_attrib(format, "pos", GL_FLOAT, 2, KEEP_FLOAT); - - immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR); - - unsigned char crosshair_color[3]; - UI_GetThemeColor3ubv(TH_VIEW_OVERLAY, crosshair_color); - immUniformColor3ubv(crosshair_color); - - immBegin(GL_LINES, 8); - immVertex2f(pos, co[0] - f20, co[1]); - immVertex2f(pos, co[0] - f5, co[1]); - immVertex2f(pos, co[0] + f5, co[1]); - immVertex2f(pos, co[0] + f20, co[1]); - immVertex2f(pos, co[0], co[1] - f20); - immVertex2f(pos, co[0], co[1] - f5); - immVertex2f(pos, co[0], co[1] + f5); - immVertex2f(pos, co[0], co[1] + f20); - immEnd(); - - immUnbindProgram(); - } -} - -static void draw_view_axis(RegionView3D *rv3d, rcti *rect) -{ - const float k = U.rvisize * U.pixelsize; /* axis size */ - const int bright = - 20 * (10 - U.rvibright); /* axis alpha offset (rvibright has range 0-10) */ - - const float startx = rect->xmin + k + 1.0f; /* axis center in screen coordinates, x=y */ - const float starty = rect->ymin + k + 1.0f; - - float axis_pos[3][2]; - unsigned char axis_col[3][4]; - - int axis_order[3] = {0, 1, 2}; - axis_sort_v3(rv3d->viewinv[2], axis_order); - - for (int axis_i = 0; axis_i < 3; axis_i++) { - int i = axis_order[axis_i]; - - /* get position of each axis tip on screen */ - float vec[3] = { 0.0f }; - vec[i] = 1.0f; - mul_qt_v3(rv3d->viewquat, vec); - axis_pos[i][0] = startx + vec[0] * k; - axis_pos[i][1] = starty + vec[1] * k; - - /* get color of each axis */ - UI_GetThemeColorShade3ubv(TH_AXIS_X + i, bright, axis_col[i]); /* rgb */ - axis_col[i][3] = 255 * hypotf(vec[0], vec[1]); /* alpha */ - } - - /* draw axis lines */ - glLineWidth(2); - glEnable(GL_LINE_SMOOTH); - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - - VertexFormat *format = immVertexFormat(); - unsigned pos = add_attrib(format, "pos", GL_FLOAT, 2, KEEP_FLOAT); - unsigned col = add_attrib(format, "color", GL_UNSIGNED_BYTE, 4, NORMALIZE_INT_TO_FLOAT); - - immBindBuiltinProgram(GPU_SHADER_2D_FLAT_COLOR); - immBegin(GL_LINES, 6); - - for (int axis_i = 0; axis_i < 3; axis_i++) { - int i = axis_order[axis_i]; - - immAttrib4ubv(col, axis_col[i]); - immVertex2f(pos, startx, starty); - immVertex2fv(pos, axis_pos[i]); - } - - immEnd(); - immUnbindProgram(); - glDisable(GL_LINE_SMOOTH); - - /* draw axis names */ - for (int axis_i = 0; axis_i < 3; axis_i++) { - int i = axis_order[axis_i]; - - const char axis_text[2] = {'x' + i, '\0'}; - glColor4ubv(axis_col[i]); /* text shader still uses gl_Color */ - BLF_draw_default_ascii(axis_pos[i][0] + 2, axis_pos[i][1] + 2, 0.0f, axis_text, 1); - } - - /* BLF_draw_default disabled blending for us */ -} - -#ifdef WITH_INPUT_NDOF -/* draw center and axis of rotation for ongoing 3D mouse navigation */ -static void draw_rotation_guide(RegionView3D *rv3d) -{ - float o[3]; /* center of rotation */ - float end[3]; /* endpoints for drawing */ - - GLubyte color[4] = {0, 108, 255, 255}; /* bright blue so it matches device LEDs */ - - negate_v3_v3(o, rv3d->ofs); - - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glPointSize(5); - glEnable(GL_POINT_SMOOTH); - glDepthMask(0); /* don't overwrite zbuf */ - - VertexFormat *format = immVertexFormat(); - unsigned pos = add_attrib(format, "pos", GL_FLOAT, 3, KEEP_FLOAT); - unsigned col = add_attrib(format, "color", GL_UNSIGNED_BYTE, 4, NORMALIZE_INT_TO_FLOAT); - - immBindBuiltinProgram(GPU_SHADER_3D_SMOOTH_COLOR); - - if (rv3d->rot_angle != 0.0f) { - /* -- draw rotation axis -- */ - float scaled_axis[3]; - const float scale = rv3d->dist; - mul_v3_v3fl(scaled_axis, rv3d->rot_axis, scale); - - - immBegin(GL_LINE_STRIP, 3); - color[3] = 0; /* more transparent toward the ends */ - immAttrib4ubv(col, color); - add_v3_v3v3(end, o, scaled_axis); - immVertex3fv(pos, end); - -#if 0 - color[3] = 0.2f + fabsf(rv3d->rot_angle); /* modulate opacity with angle */ - /* ^^ neat idea, but angle is frame-rate dependent, so it's usually close to 0.2 */ -#endif - - color[3] = 127; /* more opaque toward the center */ - immAttrib4ubv(col, color); - immVertex3fv(pos, o); - - color[3] = 0; - immAttrib4ubv(col, color); - sub_v3_v3v3(end, o, scaled_axis); - immVertex3fv(pos, end); - immEnd(); - - /* -- draw ring around rotation center -- */ - { -#define ROT_AXIS_DETAIL 13 - - const float s = 0.05f * scale; - const float step = 2.0f * (float)(M_PI / ROT_AXIS_DETAIL); - float angle; - int i; - - float q[4]; /* rotate ring so it's perpendicular to axis */ - const int upright = fabsf(rv3d->rot_axis[2]) >= 0.95f; - if (!upright) { - const float up[3] = {0.0f, 0.0f, 1.0f}; - float vis_angle, vis_axis[3]; - - cross_v3_v3v3(vis_axis, up, rv3d->rot_axis); - vis_angle = acosf(dot_v3v3(up, rv3d->rot_axis)); - axis_angle_to_quat(q, vis_axis, vis_angle); - } - - immBegin(GL_LINE_LOOP, ROT_AXIS_DETAIL); - color[3] = 63; /* somewhat faint */ - immAttrib4ubv(col, color); - for (i = 0, angle = 0.0f; i < ROT_AXIS_DETAIL; ++i, angle += step) { - float p[3] = {s * cosf(angle), s * sinf(angle), 0.0f}; - - if (!upright) { - mul_qt_v3(q, p); - } - - add_v3_v3(p, o); - immVertex3fv(pos, p); - } - immEnd(); - -#undef ROT_AXIS_DETAIL - } - - color[3] = 255; /* solid dot */ - } - else - color[3] = 127; /* see-through dot */ - - /* -- draw rotation center -- */ - immBegin(GL_POINTS, 1); - immAttrib4ubv(col, color); - immVertex3fv(pos, o); - immEnd(); - immUnbindProgram(); - -#if 0 - /* find screen coordinates for rotation center, then draw pretty icon */ - mul_m4_v3(rv3d->persinv, rot_center); - UI_icon_draw(rot_center[0], rot_center[1], ICON_NDOF_TURN); - /* ^^ just playing around, does not work */ -#endif - - glDisable(GL_BLEND); - glDisable(GL_POINT_SMOOTH); - glDepthMask(1); -} -#endif /* WITH_INPUT_NDOF */ - -static void draw_view_icon(RegionView3D *rv3d, rcti *rect) -{ - BIFIconID icon; - - if (ELEM(rv3d->view, RV3D_VIEW_TOP, RV3D_VIEW_BOTTOM)) - icon = ICON_AXIS_TOP; - else if (ELEM(rv3d->view, RV3D_VIEW_FRONT, RV3D_VIEW_BACK)) - icon = ICON_AXIS_FRONT; - else if (ELEM(rv3d->view, RV3D_VIEW_RIGHT, RV3D_VIEW_LEFT)) - icon = ICON_AXIS_SIDE; - else return; - - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - - UI_icon_draw(5.0 + rect->xmin, 5.0 + rect->ymin, icon); - - glDisable(GL_BLEND); -} - -static const char *view3d_get_name(View3D *v3d, RegionView3D *rv3d) -{ - const char *name = NULL; - - switch (rv3d->view) { - case RV3D_VIEW_FRONT: - if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Front Ortho"); - else name = IFACE_("Front Persp"); - break; - case RV3D_VIEW_BACK: - if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Back Ortho"); - else name = IFACE_("Back Persp"); - break; - case RV3D_VIEW_TOP: - if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Top Ortho"); - else name = IFACE_("Top Persp"); - break; - case RV3D_VIEW_BOTTOM: - if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Bottom Ortho"); - else name = IFACE_("Bottom Persp"); - break; - case RV3D_VIEW_RIGHT: - if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Right Ortho"); - else name = IFACE_("Right Persp"); - break; - case RV3D_VIEW_LEFT: - if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Left Ortho"); - else name = IFACE_("Left Persp"); - break; - - default: - if (rv3d->persp == RV3D_CAMOB) { - if ((v3d->camera) && (v3d->camera->type == OB_CAMERA)) { - Camera *cam; - cam = v3d->camera->data; - if (cam->type == CAM_PERSP) { - name = IFACE_("Camera Persp"); - } - else if (cam->type == CAM_ORTHO) { - name = IFACE_("Camera Ortho"); - } - else { - BLI_assert(cam->type == CAM_PANO); - name = IFACE_("Camera Pano"); - } - } - else { - name = IFACE_("Object as Camera"); - } - } - else { - name = (rv3d->persp == RV3D_ORTHO) ? IFACE_("User Ortho") : IFACE_("User Persp"); - } - break; - } - - return name; -} - -static void draw_viewport_name(ARegion *ar, View3D *v3d, rcti *rect) -{ - RegionView3D *rv3d = ar->regiondata; - const char *name = view3d_get_name(v3d, rv3d); - /* increase size for unicode languages (Chinese in utf-8...) */ -#ifdef WITH_INTERNATIONAL - char tmpstr[96]; -#else - char tmpstr[32]; -#endif - - if (v3d->localvd) { - BLI_snprintf(tmpstr, sizeof(tmpstr), IFACE_("%s (Local)"), name); - name = tmpstr; - } - - UI_ThemeColor(TH_TEXT_HI); -#ifdef WITH_INTERNATIONAL - BLF_draw_default(U.widget_unit + rect->xmin, rect->ymax - U.widget_unit, 0.0f, name, sizeof(tmpstr)); -#else - BLF_draw_default_ascii(U.widget_unit + rect->xmin, rect->ymax - U.widget_unit, 0.0f, name, sizeof(tmpstr)); -#endif -} - -/* draw info beside axes in bottom left-corner: - * framenum, object name, bone name (if available), marker name (if available) - */ - -static void draw_selected_name(Scene *scene, Object *ob, rcti *rect) -{ - const int cfra = CFRA; - const char *msg_pin = " (Pinned)"; - const char *msg_sep = " : "; - - char info[300]; - const char *markern; - char *s = info; - short offset = 1.5f * UI_UNIT_X + rect->xmin; - - s += sprintf(s, "(%d)", cfra); - - /* - * info can contain: - * - a frame (7 + 2) - * - 3 object names (MAX_NAME) - * - 2 BREAD_CRUMB_SEPARATORs (6) - * - a SHAPE_KEY_PINNED marker and a trailing '\0' (9+1) - translated, so give some room! - * - a marker name (MAX_NAME + 3) - */ - - /* get name of marker on current frame (if available) */ - markern = BKE_scene_find_marker_name(scene, cfra); - - /* check if there is an object */ - if (ob) { - *s++ = ' '; - s += BLI_strcpy_rlen(s, ob->id.name + 2); - - /* name(s) to display depends on type of object */ - if (ob->type == OB_ARMATURE) { - bArmature *arm = ob->data; - - /* show name of active bone too (if possible) */ - if (arm->edbo) { - if (arm->act_edbone) { - s += BLI_strcpy_rlen(s, msg_sep); - s += BLI_strcpy_rlen(s, arm->act_edbone->name); - } - } - else if (ob->mode & OB_MODE_POSE) { - if (arm->act_bone) { - - if (arm->act_bone->layer & arm->layer) { - s += BLI_strcpy_rlen(s, msg_sep); - s += BLI_strcpy_rlen(s, arm->act_bone->name); - } - } - } - } - else if (ELEM(ob->type, OB_MESH, OB_LATTICE, OB_CURVE)) { - Key *key = NULL; - KeyBlock *kb = NULL; - - /* try to display active bone and active shapekey too (if they exist) */ - - if (ob->type == OB_MESH && ob->mode & OB_MODE_WEIGHT_PAINT) { - Object *armobj = BKE_object_pose_armature_get(ob); - if (armobj && armobj->mode & OB_MODE_POSE) { - bArmature *arm = armobj->data; - if (arm->act_bone) { - if (arm->act_bone->layer & arm->layer) { - s += BLI_strcpy_rlen(s, msg_sep); - s += BLI_strcpy_rlen(s, arm->act_bone->name); - } - } - } - } - - key = BKE_key_from_object(ob); - if (key) { - kb = BLI_findlink(&key->block, ob->shapenr - 1); - if (kb) { - s += BLI_strcpy_rlen(s, msg_sep); - s += BLI_strcpy_rlen(s, kb->name); - if (ob->shapeflag & OB_SHAPE_LOCK) { - s += BLI_strcpy_rlen(s, IFACE_(msg_pin)); - } - } - } - } - - /* color depends on whether there is a keyframe */ - if (id_frame_has_keyframe((ID *)ob, /* BKE_scene_frame_get(scene) */ (float)cfra, ANIMFILTER_KEYS_LOCAL)) - UI_ThemeColor(TH_TIME_KEYFRAME); - else if (ED_gpencil_has_keyframe_v3d(scene, ob, cfra)) - UI_ThemeColor(TH_TIME_GP_KEYFRAME); - else - UI_ThemeColor(TH_TEXT_HI); - } - else { - /* no object */ - if (ED_gpencil_has_keyframe_v3d(scene, NULL, cfra)) - UI_ThemeColor(TH_TIME_GP_KEYFRAME); - else - UI_ThemeColor(TH_TEXT_HI); - } - - if (markern) { - s += sprintf(s, " <%s>", markern); - } - - if (U.uiflag & USER_SHOW_ROTVIEWICON) - offset = U.widget_unit + (U.rvisize * 2) + rect->xmin; - - BLF_draw_default(offset, 0.5f * U.widget_unit, 0.0f, info, sizeof(info)); -} - -static void view3d_camera_border( - const Scene *scene, const ARegion *ar, const View3D *v3d, const RegionView3D *rv3d, - rctf *r_viewborder, const bool no_shift, const bool no_zoom) -{ - CameraParams params; - rctf rect_view, rect_camera; - - /* get viewport viewplane */ - BKE_camera_params_init(¶ms); - BKE_camera_params_from_view3d(¶ms, v3d, rv3d); - if (no_zoom) - params.zoom = 1.0f; - BKE_camera_params_compute_viewplane(¶ms, ar->winx, ar->winy, 1.0f, 1.0f); - rect_view = params.viewplane; - - /* get camera viewplane */ - BKE_camera_params_init(¶ms); - /* fallback for non camera objects */ - params.clipsta = v3d->near; - params.clipend = v3d->far; - BKE_camera_params_from_object(¶ms, v3d->camera); - if (no_shift) { - params.shiftx = 0.0f; - params.shifty = 0.0f; - } - BKE_camera_params_compute_viewplane(¶ms, scene->r.xsch, scene->r.ysch, scene->r.xasp, scene->r.yasp); - rect_camera = params.viewplane; - - /* get camera border within viewport */ - r_viewborder->xmin = ((rect_camera.xmin - rect_view.xmin) / BLI_rctf_size_x(&rect_view)) * ar->winx; - r_viewborder->xmax = ((rect_camera.xmax - rect_view.xmin) / BLI_rctf_size_x(&rect_view)) * ar->winx; - r_viewborder->ymin = ((rect_camera.ymin - rect_view.ymin) / BLI_rctf_size_y(&rect_view)) * ar->winy; - r_viewborder->ymax = ((rect_camera.ymax - rect_view.ymin) / BLI_rctf_size_y(&rect_view)) * ar->winy; -} - -void ED_view3d_calc_camera_border_size( - const Scene *scene, const ARegion *ar, const View3D *v3d, const RegionView3D *rv3d, - float r_size[2]) -{ - rctf viewborder; - - view3d_camera_border(scene, ar, v3d, rv3d, &viewborder, true, true); - r_size[0] = BLI_rctf_size_x(&viewborder); - r_size[1] = BLI_rctf_size_y(&viewborder); -} - -void ED_view3d_calc_camera_border( - const Scene *scene, const ARegion *ar, const View3D *v3d, const RegionView3D *rv3d, - rctf *r_viewborder, const bool no_shift) -{ - view3d_camera_border(scene, ar, v3d, rv3d, r_viewborder, no_shift, false); -} - -static void drawviewborder_grid3(float x1, float x2, float y1, float y2, float fac) -{ - float x3, y3, x4, y4; - - x3 = x1 + fac * (x2 - x1); - y3 = y1 + fac * (y2 - y1); - x4 = x1 + (1.0f - fac) * (x2 - x1); - y4 = y1 + (1.0f - fac) * (y2 - y1); - - glBegin(GL_LINES); - glVertex2f(x1, y3); - glVertex2f(x2, y3); - - glVertex2f(x1, y4); - glVertex2f(x2, y4); - - glVertex2f(x3, y1); - glVertex2f(x3, y2); - - glVertex2f(x4, y1); - glVertex2f(x4, y2); - glEnd(); -} - -/* harmonious triangle */ -static void drawviewborder_triangle(float x1, float x2, float y1, float y2, const char golden, const char dir) -{ - float ofs; - float w = x2 - x1; - float h = y2 - y1; - - glBegin(GL_LINES); - if (w > h) { - if (golden) { - ofs = w * (1.0f - (1.0f / 1.61803399f)); - } - else { - ofs = h * (h / w); - } - if (dir == 'B') SWAP(float, y1, y2); - - glVertex2f(x1, y1); - glVertex2f(x2, y2); - - glVertex2f(x2, y1); - glVertex2f(x1 + (w - ofs), y2); - - glVertex2f(x1, y2); - glVertex2f(x1 + ofs, y1); - } - else { - if (golden) { - ofs = h * (1.0f - (1.0f / 1.61803399f)); - } - else { - ofs = w * (w / h); - } - if (dir == 'B') SWAP(float, x1, x2); - - glVertex2f(x1, y1); - glVertex2f(x2, y2); - - glVertex2f(x2, y1); - glVertex2f(x1, y1 + ofs); - - glVertex2f(x1, y2); - glVertex2f(x2, y1 + (h - ofs)); - } - glEnd(); -} - -static void drawviewborder(Scene *scene, ARegion *ar, View3D *v3d) -{ - float x1, x2, y1, y2; - float x1i, x2i, y1i, y2i; - - rctf viewborder; - Camera *ca = NULL; - RegionView3D *rv3d = ar->regiondata; - - if (v3d->camera == NULL) - return; - if (v3d->camera->type == OB_CAMERA) - ca = v3d->camera->data; - - ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &viewborder, false); - /* the offsets */ - x1 = viewborder.xmin; - y1 = viewborder.ymin; - x2 = viewborder.xmax; - y2 = viewborder.ymax; - - glLineWidth(1.0f); - - /* apply offsets so the real 3D camera shows through */ - - /* note: quite un-scientific but without this bit extra - * 0.0001 on the lower left the 2D border sometimes - * obscures the 3D camera border */ - /* note: with VIEW3D_CAMERA_BORDER_HACK defined this error isn't noticeable - * but keep it here in case we need to remove the workaround */ - x1i = (int)(x1 - 1.0001f); - y1i = (int)(y1 - 1.0001f); - x2i = (int)(x2 + (1.0f - 0.0001f)); - y2i = (int)(y2 + (1.0f - 0.0001f)); - - /* passepartout, specified in camera edit buttons */ - if (ca && (ca->flag & CAM_SHOWPASSEPARTOUT) && ca->passepartalpha > 0.000001f) { - const float winx = (ar->winx + 1); - const float winy = (ar->winy + 1); - - if (ca->passepartalpha == 1.0f) { - glColor3f(0, 0, 0); - } - else { - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glColor4f(0, 0, 0, ca->passepartalpha); - } - - if (x1i > 0.0f) - glRectf(0.0, winy, x1i, 0.0); - if (x2i < winx) - glRectf(x2i, winy, winx, 0.0); - if (y2i < winy) - glRectf(x1i, winy, x2i, y2i); - if (y2i > 0.0f) - glRectf(x1i, y1i, x2i, 0.0); - - glDisable(GL_BLEND); - } - - setlinestyle(0); - - UI_ThemeColor(TH_BACK); - - fdrawbox(x1i, y1i, x2i, y2i); - -#ifdef VIEW3D_CAMERA_BORDER_HACK - if (view3d_camera_border_hack_test == true) { - glColor3ubv(view3d_camera_border_hack_col); - fdrawbox(x1i + 1, y1i + 1, x2i - 1, y2i - 1); - view3d_camera_border_hack_test = false; - } -#endif - - setlinestyle(3); - - /* outer line not to confuse with object selecton */ - if (v3d->flag2 & V3D_LOCK_CAMERA) { - UI_ThemeColor(TH_REDALERT); - fdrawbox(x1i - 1, y1i - 1, x2i + 1, y2i + 1); - } - - UI_ThemeColor(TH_VIEW_OVERLAY); - fdrawbox(x1i, y1i, x2i, y2i); - - /* border */ - if (scene->r.mode & R_BORDER) { - float x3, y3, x4, y4; - - x3 = floorf(x1 + (scene->r.border.xmin * (x2 - x1))) - 1; - y3 = floorf(y1 + (scene->r.border.ymin * (y2 - y1))) - 1; - x4 = floorf(x1 + (scene->r.border.xmax * (x2 - x1))) + (U.pixelsize - 1); - y4 = floorf(y1 + (scene->r.border.ymax * (y2 - y1))) + (U.pixelsize - 1); - - cpack(0x4040FF); - sdrawbox(x3, y3, x4, y4); - } - - /* safety border */ - if (ca) { - if (ca->dtx & CAM_DTX_CENTER) { - float x3, y3; - - UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); - - x3 = x1 + 0.5f * (x2 - x1); - y3 = y1 + 0.5f * (y2 - y1); - - glBegin(GL_LINES); - glVertex2f(x1, y3); - glVertex2f(x2, y3); - - glVertex2f(x3, y1); - glVertex2f(x3, y2); - glEnd(); - } - - if (ca->dtx & CAM_DTX_CENTER_DIAG) { - UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); - - glBegin(GL_LINES); - glVertex2f(x1, y1); - glVertex2f(x2, y2); - - glVertex2f(x1, y2); - glVertex2f(x2, y1); - glEnd(); - } - - if (ca->dtx & CAM_DTX_THIRDS) { - UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); - drawviewborder_grid3(x1, x2, y1, y2, 1.0f / 3.0f); - } - - if (ca->dtx & CAM_DTX_GOLDEN) { - UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); - drawviewborder_grid3(x1, x2, y1, y2, 1.0f - (1.0f / 1.61803399f)); - } - - if (ca->dtx & CAM_DTX_GOLDEN_TRI_A) { - UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); - drawviewborder_triangle(x1, x2, y1, y2, 0, 'A'); - } - - if (ca->dtx & CAM_DTX_GOLDEN_TRI_B) { - UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); - drawviewborder_triangle(x1, x2, y1, y2, 0, 'B'); - } - - if (ca->dtx & CAM_DTX_HARMONY_TRI_A) { - UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); - drawviewborder_triangle(x1, x2, y1, y2, 1, 'A'); - } - - if (ca->dtx & CAM_DTX_HARMONY_TRI_B) { - UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); - drawviewborder_triangle(x1, x2, y1, y2, 1, 'B'); - } - - if (ca->flag & CAM_SHOW_SAFE_MARGINS) { - UI_draw_safe_areas( - x1, x2, y1, y2, - scene->safe_areas.title, - scene->safe_areas.action); - - if (ca->flag & CAM_SHOW_SAFE_CENTER) { - UI_draw_safe_areas( - x1, x2, y1, y2, - scene->safe_areas.title_center, - scene->safe_areas.action_center); - } - } - - if (ca->flag & CAM_SHOWSENSOR) { - /* determine sensor fit, and get sensor x/y, for auto fit we - * assume and square sensor and only use sensor_x */ - float sizex = scene->r.xsch * scene->r.xasp; - float sizey = scene->r.ysch * scene->r.yasp; - int sensor_fit = BKE_camera_sensor_fit(ca->sensor_fit, sizex, sizey); - float sensor_x = ca->sensor_x; - float sensor_y = (ca->sensor_fit == CAMERA_SENSOR_FIT_AUTO) ? ca->sensor_x : ca->sensor_y; - - /* determine sensor plane */ - rctf rect; - - if (sensor_fit == CAMERA_SENSOR_FIT_HOR) { - float sensor_scale = (x2i - x1i) / sensor_x; - float sensor_height = sensor_scale * sensor_y; - - rect.xmin = x1i; - rect.xmax = x2i; - rect.ymin = (y1i + y2i) * 0.5f - sensor_height * 0.5f; - rect.ymax = rect.ymin + sensor_height; - } - else { - float sensor_scale = (y2i - y1i) / sensor_y; - float sensor_width = sensor_scale * sensor_x; - - rect.xmin = (x1i + x2i) * 0.5f - sensor_width * 0.5f; - rect.xmax = rect.xmin + sensor_width; - rect.ymin = y1i; - rect.ymax = y2i; - } - - /* draw */ - UI_ThemeColorShade(TH_VIEW_OVERLAY, 100); - UI_draw_roundbox_gl_mode(GL_LINE_LOOP, rect.xmin, rect.ymin, rect.xmax, rect.ymax, 2.0f); - } - } - - setlinestyle(0); - - /* camera name - draw in highlighted text color */ - if (ca && (ca->flag & CAM_SHOWNAME)) { - UI_ThemeColor(TH_TEXT_HI); - BLF_draw_default( - x1i, y1i - (0.7f * U.widget_unit), 0.0f, - v3d->camera->id.name + 2, sizeof(v3d->camera->id.name) - 2); - } -} - -/* *********************** backdraw for selection *************** */ - -static void backdrawview3d(Scene *scene, wmWindow *win, ARegion *ar, View3D *v3d) +void view3d_main_region_draw(const bContext *C, ARegion *ar) { - RegionView3D *rv3d = ar->regiondata; - struct Base *base = scene->basact; - int multisample_enabled; - - BLI_assert(ar->regiontype == RGN_TYPE_WINDOW); - - if (base && (base->object->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT) || - BKE_paint_select_face_test(base->object))) - { - /* do nothing */ - } - /* texture paint mode sampling */ - else if (base && (base->object->mode & OB_MODE_TEXTURE_PAINT) && - (v3d->drawtype > OB_WIRE)) - { - /* do nothing */ - } - else if (scene->obedit && - V3D_IS_ZBUF(v3d)) - { - /* do nothing */ - } - else { - v3d->flag &= ~V3D_INVALID_BACKBUF; - return; - } + View3D *v3d = CTX_wm_view3d(C); - if (!(v3d->flag & V3D_INVALID_BACKBUF)) + if (IS_VIEWPORT_LEGACY(v3d)) { + view3d_main_region_draw_legacy(C, ar); return; - -#if 0 - if (test) { - if (qtest()) { - addafterqueue(ar->win, BACKBUFDRAW, 1); - return; - } - } -#endif - - if (v3d->drawtype > OB_WIRE) v3d->zbuf = true; - - /* dithering and AA break color coding, so disable */ - glDisable(GL_DITHER); - - multisample_enabled = glIsEnabled(GL_MULTISAMPLE); - if (multisample_enabled) - glDisable(GL_MULTISAMPLE); - - if (win->multisamples != USER_MULTISAMPLE_NONE) { - /* for multisample we use an offscreen FBO. multisample drawing can fail - * with color coded selection drawing, and reading back depths from such - * a buffer can also cause a few seconds freeze on OS X / NVidia. */ - int w = BLI_rcti_size_x(&ar->winrct); - int h = BLI_rcti_size_y(&ar->winrct); - char error[256]; - - if (rv3d->gpuoffscreen) { - if (GPU_offscreen_width(rv3d->gpuoffscreen) != w || - GPU_offscreen_height(rv3d->gpuoffscreen) != h) - { - GPU_offscreen_free(rv3d->gpuoffscreen); - rv3d->gpuoffscreen = NULL; - } - } - - if (!rv3d->gpuoffscreen) { - rv3d->gpuoffscreen = GPU_offscreen_create(w, h, 0, error); - - if (!rv3d->gpuoffscreen) - fprintf(stderr, "Failed to create offscreen selection buffer for multisample: %s\n", error); - } } - if (rv3d->gpuoffscreen) - GPU_offscreen_bind(rv3d->gpuoffscreen, true); - else - glScissor(ar->winrct.xmin, ar->winrct.ymin, BLI_rcti_size_x(&ar->winrct), BLI_rcti_size_y(&ar->winrct)); - + //TODO viewport glClearColor(0.0, 0.0, 0.0, 0.0); - if (v3d->zbuf) { - glEnable(GL_DEPTH_TEST); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - } - else { - glClear(GL_COLOR_BUFFER_BIT); - glDisable(GL_DEPTH_TEST); - } - - if (rv3d->rflag & RV3D_CLIPPING) - ED_view3d_clipping_set(rv3d); - - G.f |= G_BACKBUFSEL; - - if (base && (base->lay & v3d->lay)) - draw_object_backbufsel(scene, v3d, rv3d, base->object); - - if (rv3d->gpuoffscreen) - GPU_offscreen_unbind(rv3d->gpuoffscreen, true); - else - ar->swap = 0; /* mark invalid backbuf for wm draw */ - - v3d->flag &= ~V3D_INVALID_BACKBUF; - - G.f &= ~G_BACKBUFSEL; - v3d->zbuf = false; - glDisable(GL_DEPTH_TEST); - glEnable(GL_DITHER); - if (multisample_enabled) - glEnable(GL_MULTISAMPLE); - - if (rv3d->rflag & RV3D_CLIPPING) - ED_view3d_clipping_disable(); -} - -void view3d_opengl_read_pixels(ARegion *ar, int x, int y, int w, int h, int format, int type, void *data) -{ - RegionView3D *rv3d = ar->regiondata; - - if (rv3d->gpuoffscreen) { - GPU_offscreen_bind(rv3d->gpuoffscreen, true); - glReadBuffer(GL_COLOR_ATTACHMENT0); - glReadPixels(x, y, w, h, format, type, data); - GPU_offscreen_unbind(rv3d->gpuoffscreen, true); - } - else { - glReadPixels(ar->winrct.xmin + x, ar->winrct.ymin + y, w, h, format, type, data); - } -} - -/* XXX depth reading exception, for code not using gpu offscreen */ -static void view3d_opengl_read_Z_pixels(ARegion *ar, int x, int y, int w, int h, int format, int type, void *data) -{ - - glReadPixels(ar->winrct.xmin + x, ar->winrct.ymin + y, w, h, format, type, data); -} - -void ED_view3d_backbuf_validate(ViewContext *vc) -{ - if (vc->v3d->flag & V3D_INVALID_BACKBUF) - backdrawview3d(vc->scene, vc->win, vc->ar, vc->v3d); -} - -/** - * allow for small values [0.5 - 2.5], - * and large values, FLT_MAX by clamping by the area size - */ -int ED_view3d_backbuf_sample_size_clamp(ARegion *ar, const float dist) -{ - return (int)min_ff(ceilf(dist), (float)max_ii(ar->winx, ar->winx)); -} - -/* samples a single pixel (copied from vpaint) */ -unsigned int ED_view3d_backbuf_sample(ViewContext *vc, int x, int y) -{ - unsigned int col; - - if (x >= vc->ar->winx || y >= vc->ar->winy) { - return 0; - } - - ED_view3d_backbuf_validate(vc); - - view3d_opengl_read_pixels(vc->ar, x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &col); - glReadBuffer(GL_BACK); - - if (ENDIAN_ORDER == B_ENDIAN) { - BLI_endian_switch_uint32(&col); - } - - return GPU_select_to_index(col); -} - -/* reads full rect, converts indices */ -ImBuf *ED_view3d_backbuf_read(ViewContext *vc, int xmin, int ymin, int xmax, int ymax) -{ - struct ImBuf *ibuf_clip; - /* clip */ - const rcti clip = { - max_ii(xmin, 0), min_ii(xmax, vc->ar->winx - 1), - max_ii(ymin, 0), min_ii(ymax, vc->ar->winy - 1)}; - const int size_clip[2] = { - BLI_rcti_size_x(&clip) + 1, - BLI_rcti_size_y(&clip) + 1}; - - if (UNLIKELY((clip.xmin > clip.xmax) || - (clip.ymin > clip.ymax))) - { - return NULL; - } - - ibuf_clip = IMB_allocImBuf(size_clip[0], size_clip[1], 32, IB_rect); - - ED_view3d_backbuf_validate(vc); - - view3d_opengl_read_pixels(vc->ar, clip.xmin, clip.ymin, size_clip[0], size_clip[1], GL_RGBA, GL_UNSIGNED_BYTE, ibuf_clip->rect); - - glReadBuffer(GL_BACK); - - if (ENDIAN_ORDER == B_ENDIAN) { - IMB_convert_rgba_to_abgr(ibuf_clip); - } - - GPU_select_to_index_array(ibuf_clip->rect, size_clip[0] * size_clip[1]); - - if ((clip.xmin == xmin) && - (clip.xmax == xmax) && - (clip.ymin == ymin) && - (clip.ymax == ymax)) - { - return ibuf_clip; - } - else { - /* put clipped result into a non-clipped buffer */ - struct ImBuf *ibuf_full; - const int size[2] = { - (xmax - xmin + 1), - (ymax - ymin + 1)}; - - ibuf_full = IMB_allocImBuf(size[0], size[1], 32, IB_rect); - - IMB_rectcpy( - ibuf_full, ibuf_clip, - clip.xmin - xmin, clip.ymin - ymin, - 0, 0, - size_clip[0], size_clip[1]); - IMB_freeImBuf(ibuf_clip); - return ibuf_full; - } -} - -/* smart function to sample a rect spiralling outside, nice for backbuf selection */ -unsigned int ED_view3d_backbuf_sample_rect( - ViewContext *vc, const int mval[2], int size, - unsigned int min, unsigned int max, float *r_dist) -{ - struct ImBuf *buf; - const unsigned int *bufmin, *bufmax, *tbuf; - int minx, miny; - int a, b, rc, nr, amount, dirvec[4][2]; - unsigned int index = 0; - - amount = (size - 1) / 2; - - minx = mval[0] - (amount + 1); - miny = mval[1] - (amount + 1); - buf = ED_view3d_backbuf_read(vc, minx, miny, minx + size - 1, miny + size - 1); - if (!buf) return 0; - - rc = 0; - - dirvec[0][0] = 1; dirvec[0][1] = 0; - dirvec[1][0] = 0; dirvec[1][1] = -size; - dirvec[2][0] = -1; dirvec[2][1] = 0; - dirvec[3][0] = 0; dirvec[3][1] = size; - - bufmin = buf->rect; - tbuf = buf->rect; - bufmax = buf->rect + size * size; - tbuf += amount * size + amount; - - for (nr = 1; nr <= size; nr++) { - - for (a = 0; a < 2; a++) { - for (b = 0; b < nr; b++) { - if (*tbuf && *tbuf >= min && *tbuf < max) { - /* we got a hit */ - - /* get x,y pixel coords from the offset - * (manhatten distance in keeping with other screen-based selection) */ - *r_dist = (float)( - abs(((int)(tbuf - buf->rect) % size) - (size / 2)) + - abs(((int)(tbuf - buf->rect) / size) - (size / 2))); - - /* indices start at 1 here */ - index = (*tbuf - min) + 1; - goto exit; - } - - tbuf += (dirvec[rc][0] + dirvec[rc][1]); - - if (tbuf < bufmin || tbuf >= bufmax) { - goto exit; - } - } - rc++; - rc &= 3; - } - } - -exit: - IMB_freeImBuf(buf); - return index; -} - - -/* ************************************************************* */ - -static void view3d_stereo_bgpic_setup(Scene *scene, View3D *v3d, Image *ima, ImageUser *iuser) -{ - if (BKE_image_is_stereo(ima)) { - iuser->flag |= IMA_SHOW_STEREO; - - if ((scene->r.scemode & R_MULTIVIEW) == 0) { - iuser->multiview_eye = STEREO_LEFT_ID; - } - else if (v3d->stereo3d_camera != STEREO_3D_ID) { - /* show only left or right camera */ - iuser->multiview_eye = v3d->stereo3d_camera; - } - - BKE_image_multiview_index(ima, iuser); - } - else { - iuser->flag &= ~IMA_SHOW_STEREO; - } -} - -static void view3d_draw_bgpic(Scene *scene, ARegion *ar, View3D *v3d, - const bool do_foreground, const bool do_camera_frame) -{ - RegionView3D *rv3d = ar->regiondata; - BGpic *bgpic; - int fg_flag = do_foreground ? V3D_BGPIC_FOREGROUND : 0; - - for (bgpic = v3d->bgpicbase.first; bgpic; bgpic = bgpic->next) { - bgpic->iuser.scene = scene; /* Needed for render results. */ - - if ((bgpic->flag & V3D_BGPIC_FOREGROUND) != fg_flag) - continue; - - if ((bgpic->view == 0) || /* zero for any */ - (bgpic->view & (1 << rv3d->view)) || /* check agaist flags */ - (rv3d->persp == RV3D_CAMOB && bgpic->view == (1 << RV3D_VIEW_CAMERA))) - { - float image_aspect[2]; - float fac, asp, zoomx, zoomy; - float x1, y1, x2, y2, centx, centy; - - ImBuf *ibuf = NULL, *freeibuf, *releaseibuf; - void *lock; - rctf clip_rect; - - Image *ima = NULL; - MovieClip *clip = NULL; - - /* disable individual images */ - if ((bgpic->flag & V3D_BGPIC_DISABLED)) - continue; - - freeibuf = NULL; - releaseibuf = NULL; - if (bgpic->source == V3D_BGPIC_IMAGE) { - ima = bgpic->ima; - if (ima == NULL) - continue; - BKE_image_user_frame_calc(&bgpic->iuser, CFRA, 0); - if (ima->source == IMA_SRC_SEQUENCE && !(bgpic->iuser.flag & IMA_USER_FRAME_IN_RANGE)) { - ibuf = NULL; /* frame is out of range, dont show */ - } - else { - view3d_stereo_bgpic_setup(scene, v3d, ima, &bgpic->iuser); - ibuf = BKE_image_acquire_ibuf(ima, &bgpic->iuser, &lock); - releaseibuf = ibuf; - } - - image_aspect[0] = ima->aspx; - image_aspect[1] = ima->aspy; - } - else if (bgpic->source == V3D_BGPIC_MOVIE) { - /* TODO: skip drawing when out of frame range (as image sequences do above) */ - - if (bgpic->flag & V3D_BGPIC_CAMERACLIP) { - if (scene->camera) - clip = BKE_object_movieclip_get(scene, scene->camera, true); - } - else { - clip = bgpic->clip; - } - - if (clip == NULL) - continue; - - BKE_movieclip_user_set_frame(&bgpic->cuser, CFRA); - ibuf = BKE_movieclip_get_ibuf(clip, &bgpic->cuser); - - image_aspect[0] = clip->aspx; - image_aspect[1] = clip->aspy; - - /* working with ibuf from image and clip has got different workflow now. - * ibuf acquired from clip is referenced by cache system and should - * be dereferenced after usage. */ - freeibuf = ibuf; - } - else { - /* perhaps when loading future files... */ - BLI_assert(0); - copy_v2_fl(image_aspect, 1.0f); - } - - if (ibuf == NULL) - continue; - - if ((ibuf->rect == NULL && ibuf->rect_float == NULL) || ibuf->channels != 4) { /* invalid image format */ - if (freeibuf) - IMB_freeImBuf(freeibuf); - if (releaseibuf) - BKE_image_release_ibuf(ima, releaseibuf, lock); - - continue; - } - - if (ibuf->rect == NULL) - IMB_rect_from_float(ibuf); - - if (rv3d->persp == RV3D_CAMOB) { - - if (do_camera_frame) { - rctf vb; - ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &vb, false); - x1 = vb.xmin; - y1 = vb.ymin; - x2 = vb.xmax; - y2 = vb.ymax; - } - else { - x1 = ar->winrct.xmin; - y1 = ar->winrct.ymin; - x2 = ar->winrct.xmax; - y2 = ar->winrct.ymax; - } - - /* apply offset last - camera offset is different to offset in blender units */ - /* so this has some sane way of working - this matches camera's shift _exactly_ */ - { - const float max_dim = max_ff(x2 - x1, y2 - y1); - const float xof_scale = bgpic->xof * max_dim; - const float yof_scale = bgpic->yof * max_dim; - - x1 += xof_scale; - y1 += yof_scale; - x2 += xof_scale; - y2 += yof_scale; - } - - centx = (x1 + x2) / 2.0f; - centy = (y1 + y2) / 2.0f; - - /* aspect correction */ - if (bgpic->flag & V3D_BGPIC_CAMERA_ASPECT) { - /* apply aspect from clip */ - const float w_src = ibuf->x * image_aspect[0]; - const float h_src = ibuf->y * image_aspect[1]; - - /* destination aspect is already applied from the camera frame */ - const float w_dst = x1 - x2; - const float h_dst = y1 - y2; - - const float asp_src = w_src / h_src; - const float asp_dst = w_dst / h_dst; - - if (fabsf(asp_src - asp_dst) >= FLT_EPSILON) { - if ((asp_src > asp_dst) == ((bgpic->flag & V3D_BGPIC_CAMERA_CROP) != 0)) { - /* fit X */ - const float div = asp_src / asp_dst; - x1 = ((x1 - centx) * div) + centx; - x2 = ((x2 - centx) * div) + centx; - } - else { - /* fit Y */ - const float div = asp_dst / asp_src; - y1 = ((y1 - centy) * div) + centy; - y2 = ((y2 - centy) * div) + centy; - } - } - } - } - else { - float tvec[3]; - float sco[2]; - const float mval_f[2] = {1.0f, 0.0f}; - const float co_zero[3] = {0}; - float zfac; - - /* calc window coord */ - zfac = ED_view3d_calc_zfac(rv3d, co_zero, NULL); - ED_view3d_win_to_delta(ar, mval_f, tvec, zfac); - fac = max_ff(fabsf(tvec[0]), max_ff(fabsf(tvec[1]), fabsf(tvec[2]))); /* largest abs axis */ - fac = 1.0f / fac; - - asp = (float)ibuf->y / (float)ibuf->x; - - zero_v3(tvec); - ED_view3d_project_float_v2_m4(ar, tvec, sco, rv3d->persmat); - - x1 = sco[0] + fac * (bgpic->xof - bgpic->size); - y1 = sco[1] + asp * fac * (bgpic->yof - bgpic->size); - x2 = sco[0] + fac * (bgpic->xof + bgpic->size); - y2 = sco[1] + asp * fac * (bgpic->yof + bgpic->size); - - centx = (x1 + x2) / 2.0f; - centy = (y1 + y2) / 2.0f; - } - - /* complete clip? */ - BLI_rctf_init(&clip_rect, x1, x2, y1, y2); - if (bgpic->rotation) { - BLI_rctf_rotate_expand(&clip_rect, &clip_rect, bgpic->rotation); - } - - if (clip_rect.xmax < 0 || clip_rect.ymax < 0 || clip_rect.xmin > ar->winx || clip_rect.ymin > ar->winy) { - if (freeibuf) - IMB_freeImBuf(freeibuf); - if (releaseibuf) - BKE_image_release_ibuf(ima, releaseibuf, lock); - - continue; - } - - zoomx = (x2 - x1) / ibuf->x; - zoomy = (y2 - y1) / ibuf->y; - - /* for some reason; zoomlevels down refuses to use GL_ALPHA_SCALE */ - if (zoomx < 1.0f || zoomy < 1.0f) { - float tzoom = min_ff(zoomx, zoomy); - int mip = 0; - - if ((ibuf->userflags & IB_MIPMAP_INVALID) != 0) { - IMB_remakemipmap(ibuf, 0); - ibuf->userflags &= ~IB_MIPMAP_INVALID; - } - else if (ibuf->mipmap[0] == NULL) - IMB_makemipmap(ibuf, 0); - - while (tzoom < 1.0f && mip < 8 && ibuf->mipmap[mip]) { - tzoom *= 2.0f; - zoomx *= 2.0f; - zoomy *= 2.0f; - mip++; - } - if (mip > 0) - ibuf = ibuf->mipmap[mip - 1]; - } - - if (v3d->zbuf) glDisable(GL_DEPTH_TEST); - glDepthMask(0); - - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - ED_region_pixelspace(ar); - - glTranslatef(centx, centy, 0.0); - glRotatef(RAD2DEGF(-bgpic->rotation), 0.0f, 0.0f, 1.0f); - - if (bgpic->flag & V3D_BGPIC_FLIP_X) { - zoomx *= -1.0f; - x1 = x2; - } - if (bgpic->flag & V3D_BGPIC_FLIP_Y) { - zoomy *= -1.0f; - y1 = y2; - } - glPixelZoom(zoomx, zoomy); - glColor4f(1.0f, 1.0f, 1.0f, 1.0f - bgpic->blend); - - /* could not use glaDrawPixelsAuto because it could fallback to - * glaDrawPixelsSafe in some cases, which will end up in missing - * alpha transparency for the background image (sergey) - */ - glaDrawPixelsTex(x1 - centx, y1 - centy, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, GL_LINEAR, ibuf->rect); - - glPixelZoom(1.0, 1.0); - glPixelTransferf(GL_ALPHA_SCALE, 1.0f); - - glMatrixMode(GL_PROJECTION); - glPopMatrix(); - glMatrixMode(GL_MODELVIEW); - glPopMatrix(); - - glDisable(GL_BLEND); - - glDepthMask(1); - if (v3d->zbuf) glEnable(GL_DEPTH_TEST); - - if (freeibuf) - IMB_freeImBuf(freeibuf); - if (releaseibuf) - BKE_image_release_ibuf(ima, releaseibuf, lock); - } - } -} - -static void view3d_draw_bgpic_test(Scene *scene, ARegion *ar, View3D *v3d, - const bool do_foreground, const bool do_camera_frame) -{ - RegionView3D *rv3d = ar->regiondata; - - if ((v3d->flag & V3D_DISPBGPICS) == 0) - return; - - /* disabled - mango request, since footage /w only render is quite useful - * and this option is easy to disable all background images at once */ -#if 0 - if (v3d->flag2 & V3D_RENDER_OVERRIDE) - return; -#endif - - if ((rv3d->view == RV3D_VIEW_USER) || (rv3d->persp != RV3D_ORTHO)) { - if (rv3d->persp == RV3D_CAMOB) { - view3d_draw_bgpic(scene, ar, v3d, do_foreground, do_camera_frame); - } - } - else { - view3d_draw_bgpic(scene, ar, v3d, do_foreground, do_camera_frame); - } -} - -/* ****************** View3d afterdraw *************** */ - -typedef struct View3DAfter { - struct View3DAfter *next, *prev; - struct Base *base; - short dflag; -} View3DAfter; - -/* temp storage of Objects that need to be drawn as last */ -void ED_view3d_after_add(ListBase *lb, Base *base, const short dflag) -{ - View3DAfter *v3da = MEM_callocN(sizeof(View3DAfter), "View 3d after"); - BLI_assert((base->flag & OB_FROMDUPLI) == 0); - BLI_addtail(lb, v3da); - v3da->base = base; - v3da->dflag = dflag; -} - -/* disables write in zbuffer and draws it over */ -static void view3d_draw_transp(Scene *scene, ARegion *ar, View3D *v3d) -{ - View3DAfter *v3da; - - glDepthMask(GL_FALSE); - v3d->transp = true; - - while ((v3da = BLI_pophead(&v3d->afterdraw_transp))) { - draw_object(scene, ar, v3d, v3da->base, v3da->dflag); - MEM_freeN(v3da); - } - v3d->transp = false; - - glDepthMask(GL_TRUE); - -} - -/* clears zbuffer and draws it over */ -static void view3d_draw_xray(Scene *scene, ARegion *ar, View3D *v3d, bool *clear) -{ - View3DAfter *v3da; - - if (*clear && v3d->zbuf) { - glClear(GL_DEPTH_BUFFER_BIT); - *clear = false; - } - - v3d->xray = true; - while ((v3da = BLI_pophead(&v3d->afterdraw_xray))) { - draw_object(scene, ar, v3d, v3da->base, v3da->dflag); - MEM_freeN(v3da); - } - v3d->xray = false; -} - - -/* clears zbuffer and draws it over */ -static void view3d_draw_xraytransp(Scene *scene, ARegion *ar, View3D *v3d, const bool clear) -{ - View3DAfter *v3da; - - if (clear && v3d->zbuf) - glClear(GL_DEPTH_BUFFER_BIT); - - v3d->xray = true; - v3d->transp = true; - - glDepthMask(GL_FALSE); - - while ((v3da = BLI_pophead(&v3d->afterdraw_xraytransp))) { - draw_object(scene, ar, v3d, v3da->base, v3da->dflag); - MEM_freeN(v3da); - } - - v3d->transp = false; - v3d->xray = false; - - glDepthMask(GL_TRUE); -} - -/* *********************** */ - -/* - * In most cases call draw_dupli_objects, - * draw_dupli_objects_color was added because when drawing set dupli's - * we need to force the color - */ - -#if 0 -int dupli_ob_sort(void *arg1, void *arg2) -{ - void *p1 = ((DupliObject *)arg1)->ob; - void *p2 = ((DupliObject *)arg2)->ob; - int val = 0; - if (p1 < p2) val = -1; - else if (p1 > p2) val = 1; - return val; -} -#endif - - -static DupliObject *dupli_step(DupliObject *dob) -{ - while (dob && dob->no_draw) - dob = dob->next; - return dob; -} - -static void draw_dupli_objects_color( - Scene *scene, ARegion *ar, View3D *v3d, Base *base, - const short dflag, const int color) -{ - RegionView3D *rv3d = ar->regiondata; - ListBase *lb; - LodLevel *savedlod; - DupliObject *dob_prev = NULL, *dob, *dob_next = NULL; - Base tbase = {NULL}; - BoundBox bb, *bb_tmp; /* use a copy because draw_object, calls clear_mesh_caches */ - GLuint displist = 0; - unsigned char color_rgb[3]; - const short dflag_dupli = dflag | DRAW_CONSTCOLOR; - short transflag; - bool use_displist = false; /* -1 is initialize */ - char dt; - short dtx; - DupliApplyData *apply_data; - - if (base->object->restrictflag & OB_RESTRICT_VIEW) return; - if ((base->object->restrictflag & OB_RESTRICT_RENDER) && (v3d->flag2 & V3D_RENDER_OVERRIDE)) return; - - if (dflag & DRAW_CONSTCOLOR) { - BLI_assert(color == TH_UNDEFINED); - } - else { - UI_GetThemeColorBlend3ubv(color, TH_BACK, 0.5f, color_rgb); - } - - tbase.flag = OB_FROMDUPLI | base->flag; - lb = object_duplilist(G.main->eval_ctx, scene, base->object); - // BLI_listbase_sort(lb, dupli_ob_sort); /* might be nice to have if we have a dupli list with mixed objects. */ - - apply_data = duplilist_apply(base->object, scene, lb); - - dob = dupli_step(lb->first); - if (dob) dob_next = dupli_step(dob->next); - - for (; dob; dob_prev = dob, dob = dob_next, dob_next = dob_next ? dupli_step(dob_next->next) : NULL) { - bool testbb = false; - - tbase.object = dob->ob; - - /* Make sure lod is updated from dupli's position */ - savedlod = dob->ob->currentlod; - -#ifdef WITH_GAMEENGINE - if (rv3d->rflag & RV3D_IS_GAME_ENGINE) { - BKE_object_lod_update(dob->ob, rv3d->viewinv[3]); - } -#endif - - /* extra service: draw the duplicator in drawtype of parent, minimum taken - * to allow e.g. boundbox box objects in groups for LOD */ - dt = tbase.object->dt; - tbase.object->dt = MIN2(tbase.object->dt, base->object->dt); - - /* inherit draw extra, but not if a boundbox under the assumption that this - * is intended to speed up drawing, and drawing extra (especially wire) can - * slow it down too much */ - dtx = tbase.object->dtx; - if (tbase.object->dt != OB_BOUNDBOX) - tbase.object->dtx = base->object->dtx; - - /* negative scale flag has to propagate */ - transflag = tbase.object->transflag; - - if (is_negative_m4(dob->mat)) - tbase.object->transflag |= OB_NEG_SCALE; - else - tbase.object->transflag &= ~OB_NEG_SCALE; - - /* should move outside the loop but possible color is set in draw_object still */ - if ((dflag & DRAW_CONSTCOLOR) == 0) { - glColor3ubv(color_rgb); - } - - /* generate displist, test for new object */ - if (dob_prev && dob_prev->ob != dob->ob) { - if (use_displist == true) - glDeleteLists(displist, 1); - - use_displist = false; - } - - if ((bb_tmp = BKE_object_boundbox_get(dob->ob))) { - bb = *bb_tmp; /* must make a copy */ - testbb = true; - } - - if (!testbb || ED_view3d_boundbox_clip_ex(rv3d, &bb, dob->mat)) { - /* generate displist */ - if (use_displist == false) { - - /* note, since this was added, its checked (dob->type == OB_DUPLIGROUP) - * however this is very slow, it was probably needed for the NLA - * offset feature (used in group-duplicate.blend but no longer works in 2.5) - * so for now it should be ok to - campbell */ - - if ( /* if this is the last no need to make a displist */ - (dob_next == NULL || dob_next->ob != dob->ob) || - /* lamp drawing messes with matrices, could be handled smarter... but this works */ - (dob->ob->type == OB_LAMP) || - (dob->type == OB_DUPLIGROUP && dob->animated) || - !bb_tmp || - draw_glsl_material(scene, dob->ob, v3d, dt) || - check_object_draw_texture(scene, v3d, dt) || - (v3d->flag2 & V3D_SOLID_MATCAP) != 0) - { - // printf("draw_dupli_objects_color: skipping displist for %s\n", dob->ob->id.name + 2); - use_displist = false; - } - else { - // printf("draw_dupli_objects_color: using displist for %s\n", dob->ob->id.name + 2); - - /* disable boundbox check for list creation */ - BKE_object_boundbox_flag(dob->ob, BOUNDBOX_DISABLED, 1); - /* need this for next part of code */ - unit_m4(dob->ob->obmat); /* obmat gets restored */ - - displist = glGenLists(1); - glNewList(displist, GL_COMPILE); - draw_object(scene, ar, v3d, &tbase, dflag_dupli); - glEndList(); - - use_displist = true; - BKE_object_boundbox_flag(dob->ob, BOUNDBOX_DISABLED, 0); - } - } - - if (use_displist) { - glPushMatrix(); - glMultMatrixf(dob->mat); - glCallList(displist); - glPopMatrix(); - } - else { - copy_m4_m4(dob->ob->obmat, dob->mat); - GPU_begin_dupli_object(dob); - draw_object(scene, ar, v3d, &tbase, dflag_dupli); - GPU_end_dupli_object(); - } - } - - tbase.object->dt = dt; - tbase.object->dtx = dtx; - tbase.object->transflag = transflag; - tbase.object->currentlod = savedlod; - } - - if (apply_data) { - duplilist_restore(lb, apply_data); - duplilist_free_apply_data(apply_data); - } - - free_object_duplilist(lb); - - if (use_displist) - glDeleteLists(displist, 1); -} - -static void draw_dupli_objects(Scene *scene, ARegion *ar, View3D *v3d, Base *base) -{ - /* define the color here so draw_dupli_objects_color can be called - * from the set loop */ - - int color = (base->flag & SELECT) ? TH_SELECT : TH_WIRE; - /* debug */ - if (base->object->dup_group && base->object->dup_group->id.us < 1) - color = TH_REDALERT; - - draw_dupli_objects_color(scene, ar, v3d, base, 0, color); -} - -/* XXX warning, not using gpu offscreen here */ -void view3d_update_depths_rect(ARegion *ar, ViewDepths *d, rcti *rect) -{ - int x, y, w, h; - rcti r; - /* clamp rect by region */ - - r.xmin = 0; - r.xmax = ar->winx - 1; - r.ymin = 0; - r.ymax = ar->winy - 1; - - /* Constrain rect to depth bounds */ - BLI_rcti_isect(&r, rect, rect); - - /* assign values to compare with the ViewDepths */ - x = rect->xmin; - y = rect->ymin; - - w = BLI_rcti_size_x(rect); - h = BLI_rcti_size_y(rect); - - if (w <= 0 || h <= 0) { - if (d->depths) - MEM_freeN(d->depths); - d->depths = NULL; - - d->damaged = false; - } - else if (d->w != w || - d->h != h || - d->x != x || - d->y != y || - d->depths == NULL - ) - { - d->x = x; - d->y = y; - d->w = w; - d->h = h; - - if (d->depths) - MEM_freeN(d->depths); - - d->depths = MEM_mallocN(sizeof(float) * d->w * d->h, "View depths Subset"); - - d->damaged = true; - } - - if (d->damaged) { - /* XXX using special function here, it doesn't use the gpu offscreen system */ - view3d_opengl_read_Z_pixels(ar, d->x, d->y, d->w, d->h, GL_DEPTH_COMPONENT, GL_FLOAT, d->depths); - glGetDoublev(GL_DEPTH_RANGE, d->depth_range); - d->damaged = false; - } -} - -/* note, with nouveau drivers the glReadPixels() is very slow. [#24339] */ -void ED_view3d_depth_update(ARegion *ar) -{ - RegionView3D *rv3d = ar->regiondata; - - /* Create storage for, and, if necessary, copy depth buffer */ - if (!rv3d->depths) rv3d->depths = MEM_callocN(sizeof(ViewDepths), "ViewDepths"); - if (rv3d->depths) { - ViewDepths *d = rv3d->depths; - if (d->w != ar->winx || - d->h != ar->winy || - !d->depths) - { - d->w = ar->winx; - d->h = ar->winy; - if (d->depths) - MEM_freeN(d->depths); - d->depths = MEM_mallocN(sizeof(float) * d->w * d->h, "View depths"); - d->damaged = true; - } - - if (d->damaged) { - view3d_opengl_read_pixels(ar, 0, 0, d->w, d->h, GL_DEPTH_COMPONENT, GL_FLOAT, d->depths); - glGetDoublev(GL_DEPTH_RANGE, d->depth_range); - - d->damaged = false; - } - } -} - -/* utility function to find the closest Z value, use for autodepth */ -float view3d_depth_near(ViewDepths *d) -{ - /* convert to float for comparisons */ - const float near = (float)d->depth_range[0]; - const float far_real = (float)d->depth_range[1]; - float far = far_real; - - const float *depths = d->depths; - float depth = FLT_MAX; - int i = (int)d->w * (int)d->h; /* cast to avoid short overflow */ - - /* far is both the starting 'far' value - * and the closest value found. */ - while (i--) { - depth = *depths++; - if ((depth < far) && (depth > near)) { - far = depth; - } - } - - return far == far_real ? FLT_MAX : far; -} - -void ED_view3d_draw_depth_gpencil(Scene *scene, ARegion *ar, View3D *v3d) -{ - short zbuf = v3d->zbuf; - RegionView3D *rv3d = ar->regiondata; - - view3d_winmatrix_set(ar, v3d, NULL); - view3d_viewmatrix_set(scene, v3d, rv3d); /* note: calls BKE_object_where_is_calc for camera... */ - - mul_m4_m4m4(rv3d->persmat, rv3d->winmat, rv3d->viewmat); - invert_m4_m4(rv3d->persinv, rv3d->persmat); - invert_m4_m4(rv3d->viewinv, rv3d->viewmat); - - glClear(GL_DEPTH_BUFFER_BIT); - - glLoadMatrixf(rv3d->viewmat); - - v3d->zbuf = true; - glEnable(GL_DEPTH_TEST); - - if (v3d->flag2 & V3D_SHOW_GPENCIL) { - ED_gpencil_draw_view3d(NULL, scene, v3d, ar, true); - } - - v3d->zbuf = zbuf; - -} - -void ED_view3d_draw_depth(Scene *scene, ARegion *ar, View3D *v3d, bool alphaoverride) -{ - RegionView3D *rv3d = ar->regiondata; - Base *base; - short zbuf = v3d->zbuf; - short flag = v3d->flag; - float glalphaclip = U.glalphaclip; - int obcenter_dia = U.obcenter_dia; - /* no need for color when drawing depth buffer */ - const short dflag_depth = DRAW_CONSTCOLOR; - /* temp set drawtype to solid */ - - /* Setting these temporarily is not nice */ - v3d->flag &= ~V3D_SELECT_OUTLINE; - U.glalphaclip = alphaoverride ? 0.5f : glalphaclip; /* not that nice but means we wont zoom into billboards */ - U.obcenter_dia = 0; - - view3d_winmatrix_set(ar, v3d, NULL); - view3d_viewmatrix_set(scene, v3d, rv3d); /* note: calls BKE_object_where_is_calc for camera... */ - - mul_m4_m4m4(rv3d->persmat, rv3d->winmat, rv3d->viewmat); - invert_m4_m4(rv3d->persinv, rv3d->persmat); - invert_m4_m4(rv3d->viewinv, rv3d->viewmat); - - glClear(GL_DEPTH_BUFFER_BIT); - - glLoadMatrixf(rv3d->viewmat); - - if (rv3d->rflag & RV3D_CLIPPING) { - ED_view3d_clipping_set(rv3d); - } - /* get surface depth without bias */ - rv3d->rflag |= RV3D_ZOFFSET_DISABLED; - - v3d->zbuf = true; - glEnable(GL_DEPTH_TEST); - - /* draw set first */ - if (scene->set) { - Scene *sce_iter; - for (SETLOOPER(scene->set, sce_iter, base)) { - if (v3d->lay & base->lay) { - draw_object(scene, ar, v3d, base, 0); - if (base->object->transflag & OB_DUPLI) { - draw_dupli_objects_color(scene, ar, v3d, base, dflag_depth, TH_UNDEFINED); - } - } - } - } - - for (base = scene->base.first; base; base = base->next) { - if (v3d->lay & base->lay) { - /* dupli drawing */ - if (base->object->transflag & OB_DUPLI) { - draw_dupli_objects_color(scene, ar, v3d, base, dflag_depth, TH_UNDEFINED); - } - draw_object(scene, ar, v3d, base, dflag_depth); - } - } - - /* this isn't that nice, draw xray objects as if they are normal */ - if (v3d->afterdraw_transp.first || - v3d->afterdraw_xray.first || - v3d->afterdraw_xraytransp.first) - { - View3DAfter *v3da; - int mask_orig; - - v3d->xray = true; - - /* transp materials can change the depth mask, see #21388 */ - glGetIntegerv(GL_DEPTH_WRITEMASK, &mask_orig); - - - if (v3d->afterdraw_xray.first || v3d->afterdraw_xraytransp.first) { - glDepthFunc(GL_ALWAYS); /* always write into the depth bufer, overwriting front z values */ - for (v3da = v3d->afterdraw_xray.first; v3da; v3da = v3da->next) { - draw_object(scene, ar, v3d, v3da->base, dflag_depth); - } - glDepthFunc(GL_LEQUAL); /* Now write the depth buffer normally */ - } - - /* draw 3 passes, transp/xray/xraytransp */ - v3d->xray = false; - v3d->transp = true; - while ((v3da = BLI_pophead(&v3d->afterdraw_transp))) { - draw_object(scene, ar, v3d, v3da->base, dflag_depth); - MEM_freeN(v3da); - } - - v3d->xray = true; - v3d->transp = false; - while ((v3da = BLI_pophead(&v3d->afterdraw_xray))) { - draw_object(scene, ar, v3d, v3da->base, dflag_depth); - MEM_freeN(v3da); - } - - v3d->xray = true; - v3d->transp = true; - while ((v3da = BLI_pophead(&v3d->afterdraw_xraytransp))) { - draw_object(scene, ar, v3d, v3da->base, dflag_depth); - MEM_freeN(v3da); - } - - - v3d->xray = false; - v3d->transp = false; - - glDepthMask(mask_orig); - } - - if (rv3d->rflag & RV3D_CLIPPING) { - ED_view3d_clipping_disable(); - } - rv3d->rflag &= ~RV3D_ZOFFSET_DISABLED; - - v3d->zbuf = zbuf; - if (!v3d->zbuf) glDisable(GL_DEPTH_TEST); - - U.glalphaclip = glalphaclip; - v3d->flag = flag; - U.obcenter_dia = obcenter_dia; -} - -typedef struct View3DShadow { - struct View3DShadow *next, *prev; - GPULamp *lamp; -} View3DShadow; - -static void gpu_render_lamp_update(Scene *scene, View3D *v3d, - Object *ob, Object *par, - float obmat[4][4], unsigned int lay, - ListBase *shadows, SceneRenderLayer *srl) -{ - GPULamp *lamp; - Lamp *la = (Lamp *)ob->data; - View3DShadow *shadow; - unsigned int layers; - - lamp = GPU_lamp_from_blender(scene, ob, par); - - if (lamp) { - GPU_lamp_update(lamp, lay, (ob->restrictflag & OB_RESTRICT_RENDER), obmat); - GPU_lamp_update_colors(lamp, la->r, la->g, la->b, la->energy); - - layers = lay & v3d->lay; - if (srl) - layers &= srl->lay; - - if (layers && - GPU_lamp_has_shadow_buffer(lamp) && - /* keep last, may do string lookup */ - GPU_lamp_override_visible(lamp, srl, NULL)) - { - shadow = MEM_callocN(sizeof(View3DShadow), "View3DShadow"); - shadow->lamp = lamp; - BLI_addtail(shadows, shadow); - } - } -} - -static void gpu_update_lamps_shadows_world(Scene *scene, View3D *v3d) -{ - ListBase shadows; - View3DShadow *shadow; - Scene *sce_iter; - Base *base; - Object *ob; - World *world = scene->world; - SceneRenderLayer *srl = v3d->scenelock ? BLI_findlink(&scene->r.layers, scene->r.actlay) : NULL; - - BLI_listbase_clear(&shadows); - - /* update lamp transform and gather shadow lamps */ - for (SETLOOPER(scene, sce_iter, base)) { - ob = base->object; - - if (ob->type == OB_LAMP) - gpu_render_lamp_update(scene, v3d, ob, NULL, ob->obmat, ob->lay, &shadows, srl); - - if (ob->transflag & OB_DUPLI) { - DupliObject *dob; - ListBase *lb = object_duplilist(G.main->eval_ctx, scene, ob); - - for (dob = lb->first; dob; dob = dob->next) - if (dob->ob->type == OB_LAMP) - gpu_render_lamp_update(scene, v3d, dob->ob, ob, dob->mat, ob->lay, &shadows, srl); - - free_object_duplilist(lb); - } - } - - /* render shadows after updating all lamps, nested object_duplilist - * don't work correct since it's replacing object matrices */ - for (shadow = shadows.first; shadow; shadow = shadow->next) { - /* this needs to be done better .. */ - float viewmat[4][4], winmat[4][4]; - int drawtype, lay, winsize, flag2 = v3d->flag2; - ARegion ar = {NULL}; - RegionView3D rv3d = {{{0}}}; - - drawtype = v3d->drawtype; - lay = v3d->lay; - - v3d->drawtype = OB_SOLID; - v3d->lay &= GPU_lamp_shadow_layer(shadow->lamp); - v3d->flag2 &= ~(V3D_SOLID_TEX | V3D_SHOW_SOLID_MATCAP); - v3d->flag2 |= V3D_RENDER_OVERRIDE | V3D_RENDER_SHADOW; - - GPU_lamp_shadow_buffer_bind(shadow->lamp, viewmat, &winsize, winmat); - - ar.regiondata = &rv3d; - ar.regiontype = RGN_TYPE_WINDOW; - rv3d.persp = RV3D_CAMOB; - copy_m4_m4(rv3d.winmat, winmat); - copy_m4_m4(rv3d.viewmat, viewmat); - invert_m4_m4(rv3d.viewinv, rv3d.viewmat); - mul_m4_m4m4(rv3d.persmat, rv3d.winmat, rv3d.viewmat); - invert_m4_m4(rv3d.persinv, rv3d.viewinv); - - /* no need to call ED_view3d_draw_offscreen_init since shadow buffers were already updated */ - ED_view3d_draw_offscreen( - scene, v3d, &ar, winsize, winsize, viewmat, winmat, - false, false, true, - NULL, NULL, NULL, NULL); - GPU_lamp_shadow_buffer_unbind(shadow->lamp); - - v3d->drawtype = drawtype; - v3d->lay = lay; - v3d->flag2 = flag2; - } - - BLI_freelistN(&shadows); - - /* update world values */ - if (world) { - GPU_mist_update_enable(world->mode & WO_MIST); - GPU_mist_update_values(world->mistype, world->miststa, world->mistdist, world->misi, &world->horr); - GPU_horizon_update_color(&world->horr); - GPU_ambient_update_color(&world->ambr); - GPU_zenith_update_color(&world->zenr); - } -} - -/* *********************** customdata **************** */ - -CustomDataMask ED_view3d_datamask(const Scene *scene, const View3D *v3d) -{ - CustomDataMask mask = 0; - const int drawtype = view3d_effective_drawtype(v3d); - - if (ELEM(drawtype, OB_TEXTURE, OB_MATERIAL) || - ((drawtype == OB_SOLID) && (v3d->flag2 & V3D_SOLID_TEX))) - { - mask |= CD_MASK_MTEXPOLY | CD_MASK_MLOOPUV | CD_MASK_MLOOPCOL; - - if (BKE_scene_use_new_shading_nodes(scene)) { - if (drawtype == OB_MATERIAL) - mask |= CD_MASK_ORCO; - } - else { - if ((scene->gm.matmode == GAME_MAT_GLSL && drawtype == OB_TEXTURE) || - (drawtype == OB_MATERIAL)) - { - mask |= CD_MASK_ORCO; - } - } - } - - return mask; -} - -/* goes over all modes and view3d settings */ -CustomDataMask ED_view3d_screen_datamask(const bScreen *screen) -{ - const Scene *scene = screen->scene; - CustomDataMask mask = CD_MASK_BAREMESH; - const ScrArea *sa; - - /* check if we need tfaces & mcols due to view mode */ - for (sa = screen->areabase.first; sa; sa = sa->next) { - if (sa->spacetype == SPACE_VIEW3D) { - mask |= ED_view3d_datamask(scene, sa->spacedata.first); - } - } - - return mask; -} - -/** - * \note keep this synced with #ED_view3d_mats_rv3d_backup/#ED_view3d_mats_rv3d_restore - */ -void ED_view3d_update_viewmat(Scene *scene, View3D *v3d, ARegion *ar, float viewmat[4][4], float winmat[4][4]) -{ - RegionView3D *rv3d = ar->regiondata; - rctf cameraborder; - - /* setup window matrices */ - if (winmat) - copy_m4_m4(rv3d->winmat, winmat); - else - view3d_winmatrix_set(ar, v3d, NULL); - - /* setup view matrix */ - if (viewmat) - copy_m4_m4(rv3d->viewmat, viewmat); - else - view3d_viewmatrix_set(scene, v3d, rv3d); /* note: calls BKE_object_where_is_calc for camera... */ - - /* update utilitity matrices */ - mul_m4_m4m4(rv3d->persmat, rv3d->winmat, rv3d->viewmat); - invert_m4_m4(rv3d->persinv, rv3d->persmat); - invert_m4_m4(rv3d->viewinv, rv3d->viewmat); - - /* calculate GLSL view dependent values */ - - /* store window coordinates scaling/offset */ - if (rv3d->persp == RV3D_CAMOB && v3d->camera) { - ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &cameraborder, false); - rv3d->viewcamtexcofac[0] = (float)ar->winx / BLI_rctf_size_x(&cameraborder); - rv3d->viewcamtexcofac[1] = (float)ar->winy / BLI_rctf_size_y(&cameraborder); - - rv3d->viewcamtexcofac[2] = -rv3d->viewcamtexcofac[0] * cameraborder.xmin / (float)ar->winx; - rv3d->viewcamtexcofac[3] = -rv3d->viewcamtexcofac[1] * cameraborder.ymin / (float)ar->winy; - } - else { - rv3d->viewcamtexcofac[0] = rv3d->viewcamtexcofac[1] = 1.0f; - rv3d->viewcamtexcofac[2] = rv3d->viewcamtexcofac[3] = 0.0f; - } - - /* calculate pixelsize factor once, is used for lamps and obcenters */ - { - /* note: '1.0f / len_v3(v1)' replaced 'len_v3(rv3d->viewmat[0])' - * because of float point precision problems at large values [#23908] */ - float v1[3], v2[3]; - float len_px, len_sc; - - v1[0] = rv3d->persmat[0][0]; - v1[1] = rv3d->persmat[1][0]; - v1[2] = rv3d->persmat[2][0]; - - v2[0] = rv3d->persmat[0][1]; - v2[1] = rv3d->persmat[1][1]; - v2[2] = rv3d->persmat[2][1]; - - len_px = 2.0f / sqrtf(min_ff(len_squared_v3(v1), len_squared_v3(v2))); - len_sc = (float)MAX2(ar->winx, ar->winy); - - rv3d->pixsize = len_px / len_sc; - } -} - -/** - * Shared by #ED_view3d_draw_offscreen and #view3d_main_region_draw_objects - * - * \note \a C and \a grid_unit will be NULL when \a draw_offscreen is set. - * \note Drawing lamps and opengl render uses this, so dont do grease pencil or view widgets here. - */ -static void view3d_draw_objects( - const bContext *C, - Scene *scene, View3D *v3d, ARegion *ar, - const char **grid_unit, - const bool do_bgpic, const bool draw_offscreen, GPUFX *fx) -{ - RegionView3D *rv3d = ar->regiondata; - Base *base; - const bool do_camera_frame = !draw_offscreen; - const bool draw_grids = !draw_offscreen && (v3d->flag2 & V3D_RENDER_OVERRIDE) == 0; - const bool draw_floor = (rv3d->view == RV3D_VIEW_USER) || (rv3d->persp != RV3D_ORTHO); - /* only draw grids after in solid modes, else it hovers over mesh wires */ - const bool draw_grids_after = draw_grids && draw_floor && (v3d->drawtype > OB_WIRE) && fx; - bool do_composite_xray = false; - bool xrayclear = true; - - if (!draw_offscreen) { - ED_region_draw_cb_draw(C, ar, REGION_DRAW_PRE_VIEW); - } - - if (rv3d->rflag & RV3D_CLIPPING) - view3d_draw_clipping(rv3d); - - /* set zbuffer after we draw clipping region */ - if (v3d->drawtype > OB_WIRE) { - v3d->zbuf = true; - } - else { - v3d->zbuf = false; - } - - /* special case (depth for wire color) */ - if (v3d->drawtype <= OB_WIRE) { - if (scene->obedit && scene->obedit->type == OB_MESH) { - Mesh *me = scene->obedit->data; - if (me->drawflag & ME_DRAWEIGHT) { - v3d->zbuf = true; - } - } - } - - if (v3d->zbuf) { - glEnable(GL_DEPTH_TEST); - } - - /* ortho grid goes first, does not write to depth buffer and doesn't need depth test so it will override - * objects if done last */ - if (draw_grids) { - /* needs to be done always, gridview is adjusted in drawgrid() now, but only for ortho views. */ - rv3d->gridview = ED_view3d_grid_scale(scene, v3d, grid_unit); - - if (!draw_floor) { - ED_region_pixelspace(ar); - *grid_unit = NULL; /* drawgrid need this to detect/affect smallest valid unit... */ - drawgrid(&scene->unit, ar, v3d, grid_unit); - /* XXX make function? replaces persp(1) */ - glMatrixMode(GL_PROJECTION); - glLoadMatrixf(rv3d->winmat); - glMatrixMode(GL_MODELVIEW); - glLoadMatrixf(rv3d->viewmat); - } - else if (!draw_grids_after) { - drawfloor(scene, v3d, grid_unit, true); - } - } - - /* important to do before clipping */ - if (do_bgpic) { - view3d_draw_bgpic_test(scene, ar, v3d, false, do_camera_frame); - } - - if (rv3d->rflag & RV3D_CLIPPING) { - ED_view3d_clipping_set(rv3d); - } - - /* draw set first */ - if (scene->set) { - const short dflag = DRAW_CONSTCOLOR | DRAW_SCENESET; - Scene *sce_iter; - for (SETLOOPER(scene->set, sce_iter, base)) { - if (v3d->lay & base->lay) { - UI_ThemeColorBlend(TH_WIRE, TH_BACK, 0.6f); - draw_object(scene, ar, v3d, base, dflag); - - if (base->object->transflag & OB_DUPLI) { - draw_dupli_objects_color(scene, ar, v3d, base, dflag, TH_UNDEFINED); - } - } - } - - /* Transp and X-ray afterdraw stuff for sets is done later */ - } - - - if (draw_offscreen) { - for (base = scene->base.first; base; base = base->next) { - if (v3d->lay & base->lay) { - /* dupli drawing */ - if (base->object->transflag & OB_DUPLI) - draw_dupli_objects(scene, ar, v3d, base); - - draw_object(scene, ar, v3d, base, 0); - } - } - } - else { - unsigned int lay_used = 0; - - /* then draw not selected and the duplis, but skip editmode object */ - for (base = scene->base.first; base; base = base->next) { - lay_used |= base->lay; - - if (v3d->lay & base->lay) { - - /* dupli drawing */ - if (base->object->transflag & OB_DUPLI) { - draw_dupli_objects(scene, ar, v3d, base); - } - if ((base->flag & SELECT) == 0) { - if (base->object != scene->obedit) - draw_object(scene, ar, v3d, base, 0); - } - } - } - - /* mask out localview */ - v3d->lay_used = lay_used & ((1 << 20) - 1); - - /* draw selected and editmode */ - for (base = scene->base.first; base; base = base->next) { - if (v3d->lay & base->lay) { - if (base->object == scene->obedit || (base->flag & SELECT)) { - draw_object(scene, ar, v3d, base, 0); - } - } - } - } - - /* perspective floor goes last to use scene depth and avoid writing to depth buffer */ - if (draw_grids_after) { - drawfloor(scene, v3d, grid_unit, false); - } - - /* must be before xray draw which clears the depth buffer */ - if (v3d->flag2 & V3D_SHOW_GPENCIL) { - wmWindowManager *wm = (C != NULL) ? CTX_wm_manager(C) : NULL; - - /* must be before xray draw which clears the depth buffer */ - if (v3d->zbuf) glDisable(GL_DEPTH_TEST); - ED_gpencil_draw_view3d(wm, scene, v3d, ar, true); - if (v3d->zbuf) glEnable(GL_DEPTH_TEST); - } - - /* transp and X-ray afterdraw stuff */ - if (v3d->afterdraw_transp.first) view3d_draw_transp(scene, ar, v3d); - - /* always do that here to cleanup depth buffers if none needed */ - if (fx) { - do_composite_xray = v3d->zbuf && (v3d->afterdraw_xray.first || v3d->afterdraw_xraytransp.first); - GPU_fx_compositor_setup_XRay_pass(fx, do_composite_xray); - } - - if (v3d->afterdraw_xray.first) view3d_draw_xray(scene, ar, v3d, &xrayclear); - if (v3d->afterdraw_xraytransp.first) view3d_draw_xraytransp(scene, ar, v3d, xrayclear); - - if (fx && do_composite_xray) { - GPU_fx_compositor_XRay_resolve(fx); - } - - if (!draw_offscreen) { - ED_region_draw_cb_draw(C, ar, REGION_DRAW_POST_VIEW); - } - - if (rv3d->rflag & RV3D_CLIPPING) - ED_view3d_clipping_disable(); - - /* important to do after clipping */ - if (do_bgpic) { - view3d_draw_bgpic_test(scene, ar, v3d, true, do_camera_frame); - } - - if (!draw_offscreen) { - BIF_draw_manipulator(C); - } - - /* cleanup */ - if (v3d->zbuf) { - v3d->zbuf = false; - glDisable(GL_DEPTH_TEST); - } - - if ((v3d->flag2 & V3D_RENDER_SHADOW) == 0) { - GPU_free_images_old(); - } -} - -static void view3d_main_region_setup_view(Scene *scene, View3D *v3d, ARegion *ar, float viewmat[4][4], float winmat[4][4]) -{ - RegionView3D *rv3d = ar->regiondata; - - ED_view3d_update_viewmat(scene, v3d, ar, viewmat, winmat); - - /* set for opengl */ - glMatrixMode(GL_PROJECTION); - glLoadMatrixf(rv3d->winmat); - glMatrixMode(GL_MODELVIEW); - glLoadMatrixf(rv3d->viewmat); -} - -/** - * Store values from #RegionView3D, set when drawing. - * This is needed when we draw with to a viewport using a different matrix (offscreen drawing for example). - * - * Values set by #ED_view3d_update_viewmat should be handled here. - */ -struct RV3DMatrixStore { - float winmat[4][4]; - float viewmat[4][4]; - float viewinv[4][4]; - float persmat[4][4]; - float persinv[4][4]; - float viewcamtexcofac[4]; - float pixsize; -}; - -void *ED_view3d_mats_rv3d_backup(struct RegionView3D *rv3d) -{ - struct RV3DMatrixStore *rv3dmat = MEM_mallocN(sizeof(*rv3dmat), __func__); - copy_m4_m4(rv3dmat->winmat, rv3d->winmat); - copy_m4_m4(rv3dmat->viewmat, rv3d->viewmat); - copy_m4_m4(rv3dmat->persmat, rv3d->persmat); - copy_m4_m4(rv3dmat->persinv, rv3d->persinv); - copy_m4_m4(rv3dmat->viewinv, rv3d->viewinv); - copy_v4_v4(rv3dmat->viewcamtexcofac, rv3d->viewcamtexcofac); - rv3dmat->pixsize = rv3d->pixsize; - return (void *)rv3dmat; -} - -void ED_view3d_mats_rv3d_restore(struct RegionView3D *rv3d, void *rv3dmat_pt) -{ - struct RV3DMatrixStore *rv3dmat = rv3dmat_pt; - copy_m4_m4(rv3d->winmat, rv3dmat->winmat); - copy_m4_m4(rv3d->viewmat, rv3dmat->viewmat); - copy_m4_m4(rv3d->persmat, rv3dmat->persmat); - copy_m4_m4(rv3d->persinv, rv3dmat->persinv); - copy_m4_m4(rv3d->viewinv, rv3dmat->viewinv); - copy_v4_v4(rv3d->viewcamtexcofac, rv3dmat->viewcamtexcofac); - rv3d->pixsize = rv3dmat->pixsize; -} - -void ED_view3d_draw_offscreen_init(Scene *scene, View3D *v3d) -{ - /* shadow buffers, before we setup matrices */ - if (draw_glsl_material(scene, NULL, v3d, v3d->drawtype)) - gpu_update_lamps_shadows_world(scene, v3d); -} - -/* - * Function to clear the view - */ -static void view3d_main_region_clear(Scene *scene, View3D *v3d, ARegion *ar) -{ - if (scene->world && (v3d->flag3 & V3D_SHOW_WORLD)) { - bool glsl = GPU_glsl_support(); - if (glsl) { - RegionView3D *rv3d = ar->regiondata; - GPUMaterial *gpumat = GPU_material_world(scene, scene->world); - - /* calculate full shader for background */ - GPU_material_bind(gpumat, 1, 1, 1.0, false, rv3d->viewmat, rv3d->viewinv, rv3d->viewcamtexcofac, (v3d->scenelock != 0)); - - bool material_not_bound = !GPU_material_bound(gpumat); - - if (material_not_bound) { - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - glLoadIdentity(); - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - glLoadIdentity(); - glColor4f(0.0f, 0.0f, 0.0f, 1.0f); - } - // Draw world - glEnable(GL_DEPTH_TEST); - glDepthFunc(GL_ALWAYS); - glBegin(GL_TRIANGLE_STRIP); - glVertex3f(-1.0, -1.0, 1.0); - glVertex3f(1.0, -1.0, 1.0); - glVertex3f(-1.0, 1.0, 1.0); - glVertex3f(1.0, 1.0, 1.0); - glEnd(); - // - if (material_not_bound) { - glMatrixMode(GL_PROJECTION); - glPopMatrix(); - glMatrixMode(GL_MODELVIEW); - glPopMatrix(); - } - - GPU_material_unbind(gpumat); - - glDepthFunc(GL_LEQUAL); - glDisable(GL_DEPTH_TEST); - } - else if (scene->world->skytype & WO_SKYBLEND) { /* blend sky */ - int x, y; - float col_hor[3]; - float col_zen[3]; - -#define VIEWGRAD_RES_X 16 -#define VIEWGRAD_RES_Y 16 - - GLubyte grid_col[VIEWGRAD_RES_X][VIEWGRAD_RES_Y][4]; - static float grid_pos[VIEWGRAD_RES_X][VIEWGRAD_RES_Y][3]; - static GLushort indices[VIEWGRAD_RES_X - 1][VIEWGRAD_RES_X - 1][4]; - static bool buf_calculated = false; - - IMB_colormanagement_pixel_to_display_space_v3(col_hor, &scene->world->horr, &scene->view_settings, - &scene->display_settings); - IMB_colormanagement_pixel_to_display_space_v3(col_zen, &scene->world->zenr, &scene->view_settings, - &scene->display_settings); - - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - glLoadIdentity(); - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - glLoadIdentity(); - - /* calculate buffers the first time only */ - if (!buf_calculated) { - for (x = 0; x < VIEWGRAD_RES_X; x++) { - for (y = 0; y < VIEWGRAD_RES_Y; y++) { - const float xf = (float)x / (float)(VIEWGRAD_RES_X - 1); - const float yf = (float)y / (float)(VIEWGRAD_RES_Y - 1); - - /* -1..1 range */ - grid_pos[x][y][0] = (xf - 0.5f) * 2.0f; - grid_pos[x][y][1] = (yf - 0.5f) * 2.0f; - grid_pos[x][y][2] = 1.0; - } - } - - for (x = 0; x < VIEWGRAD_RES_X - 1; x++) { - for (y = 0; y < VIEWGRAD_RES_Y - 1; y++) { - indices[x][y][0] = x * VIEWGRAD_RES_X + y; - indices[x][y][1] = x * VIEWGRAD_RES_X + y + 1; - indices[x][y][2] = (x + 1) * VIEWGRAD_RES_X + y + 1; - indices[x][y][3] = (x + 1) * VIEWGRAD_RES_X + y; - } - } - - buf_calculated = true; - } - - for (x = 0; x < VIEWGRAD_RES_X; x++) { - for (y = 0; y < VIEWGRAD_RES_Y; y++) { - const float xf = (float)x / (float)(VIEWGRAD_RES_X - 1); - const float yf = (float)y / (float)(VIEWGRAD_RES_Y - 1); - const float mval[2] = {xf * (float)ar->winx, yf * ar->winy}; - const float z_up[3] = {0.0f, 0.0f, 1.0f}; - float out[3]; - GLubyte *col_ub = grid_col[x][y]; - - float col_fac; - float col_fl[3]; - - ED_view3d_win_to_vector(ar, mval, out); - - if (scene->world->skytype & WO_SKYPAPER) { - if (scene->world->skytype & WO_SKYREAL) { - col_fac = fabsf(((float)y / (float)VIEWGRAD_RES_Y) - 0.5f) * 2.0f; - } - else { - col_fac = (float)y / (float)VIEWGRAD_RES_Y; - } - } - else { - if (scene->world->skytype & WO_SKYREAL) { - col_fac = fabsf((angle_normalized_v3v3(z_up, out) / (float)M_PI) - 0.5f) * 2.0f; - } - else { - col_fac = 1.0f - (angle_normalized_v3v3(z_up, out) / (float)M_PI); - } - } - - interp_v3_v3v3(col_fl, col_hor, col_zen, col_fac); - - rgb_float_to_uchar(col_ub, col_fl); - col_ub[3] = 255; - } - } - - glEnable(GL_DEPTH_TEST); - glDepthFunc(GL_ALWAYS); - - glEnableClientState(GL_VERTEX_ARRAY); - glEnableClientState(GL_COLOR_ARRAY); - glVertexPointer(3, GL_FLOAT, 0, grid_pos); - glColorPointer(4, GL_UNSIGNED_BYTE, 0, grid_col); - - glDrawElements(GL_QUADS, (VIEWGRAD_RES_X - 1) * (VIEWGRAD_RES_Y - 1) * 4, GL_UNSIGNED_SHORT, indices); - - glDisableClientState(GL_VERTEX_ARRAY); - glDisableClientState(GL_COLOR_ARRAY); - - glDepthFunc(GL_LEQUAL); - glDisable(GL_DEPTH_TEST); - - glMatrixMode(GL_PROJECTION); - glPopMatrix(); - glMatrixMode(GL_MODELVIEW); - glPopMatrix(); - -#undef VIEWGRAD_RES_X -#undef VIEWGRAD_RES_Y - } - else { /* solid sky */ - float col_hor[3]; - IMB_colormanagement_pixel_to_display_space_v3(col_hor, &scene->world->horr, &scene->view_settings, - &scene->display_settings); - - glClearColor(col_hor[0], col_hor[1], col_hor[2], 1.0); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - } - } - else { - if (UI_GetThemeValue(TH_SHOW_BACK_GRAD)) { - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - glLoadIdentity(); - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - glLoadIdentity(); - - glEnable(GL_DEPTH_TEST); - glDepthFunc(GL_ALWAYS); - glBegin(GL_QUADS); - UI_ThemeColor(TH_LOW_GRAD); - glVertex3f(-1.0, -1.0, 1.0); - glVertex3f(1.0, -1.0, 1.0); - UI_ThemeColor(TH_HIGH_GRAD); - glVertex3f(1.0, 1.0, 1.0); - glVertex3f(-1.0, 1.0, 1.0); - glEnd(); - glDepthFunc(GL_LEQUAL); - glDisable(GL_DEPTH_TEST); - - glMatrixMode(GL_PROJECTION); - glPopMatrix(); - - glMatrixMode(GL_MODELVIEW); - glPopMatrix(); - } - else { - UI_ThemeClearColorAlpha(TH_HIGH_GRAD, 1.0f); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - } - } -} - -/* ED_view3d_draw_offscreen_init should be called before this to initialize - * stuff like shadow buffers - */ -void ED_view3d_draw_offscreen( - Scene *scene, View3D *v3d, ARegion *ar, int winx, int winy, - float viewmat[4][4], float winmat[4][4], - bool do_bgpic, bool do_sky, bool is_persp, const char *viewname, - GPUFX *fx, GPUFXSettings *fx_settings, - GPUOffScreen *ofs) -{ - struct bThemeState theme_state; - int bwinx, bwiny; - rcti brect; - bool do_compositing = false; - RegionView3D *rv3d = ar->regiondata; - - glPushMatrix(); - - /* set temporary new size */ - bwinx = ar->winx; - bwiny = ar->winy; - brect = ar->winrct; - - ar->winx = winx; - ar->winy = winy; - ar->winrct.xmin = 0; - ar->winrct.ymin = 0; - ar->winrct.xmax = winx; - ar->winrct.ymax = winy; - - UI_Theme_Store(&theme_state); - UI_SetTheme(SPACE_VIEW3D, RGN_TYPE_WINDOW); - - /* set flags */ - G.f |= G_RENDER_OGL; - - if ((v3d->flag2 & V3D_RENDER_SHADOW) == 0) { - /* free images which can have changed on frame-change - * warning! can be slow so only free animated images - campbell */ - GPU_free_images_anim(); - } - - /* setup view matrices before fx or unbinding the offscreen buffers will cause issues */ - if ((viewname != NULL && viewname[0] != '\0') && (viewmat == NULL) && rv3d->persp == RV3D_CAMOB && v3d->camera) - view3d_stereo3d_setup_offscreen(scene, v3d, ar, winmat, viewname); - else - view3d_main_region_setup_view(scene, v3d, ar, viewmat, winmat); - - /* framebuffer fx needed, we need to draw offscreen first */ - if (v3d->fx_settings.fx_flag && fx) { - GPUSSAOSettings *ssao = NULL; - - if (v3d->drawtype < OB_SOLID) { - ssao = v3d->fx_settings.ssao; - v3d->fx_settings.ssao = NULL; - } - - do_compositing = GPU_fx_compositor_initialize_passes(fx, &ar->winrct, NULL, fx_settings); - - if (ssao) - v3d->fx_settings.ssao = ssao; - } - - /* clear opengl buffers */ - if (do_sky) { - view3d_main_region_clear(scene, v3d, ar); - } - else { - glClearColor(0.0f, 0.0f, 0.0f, 0.0f); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - } - - /* main drawing call */ - view3d_draw_objects(NULL, scene, v3d, ar, NULL, do_bgpic, true, do_compositing ? fx : NULL); - - /* post process */ - if (do_compositing) { - if (!winmat) - is_persp = rv3d->is_persp; - GPU_fx_do_composite_pass(fx, winmat, is_persp, scene, ofs); - } - - if ((v3d->flag2 & V3D_RENDER_SHADOW) == 0) { - /* draw grease-pencil stuff */ - ED_region_pixelspace(ar); - - - if (v3d->flag2 & V3D_SHOW_GPENCIL) { - /* draw grease-pencil stuff - needed to get paint-buffer shown too (since it's 2D) */ - ED_gpencil_draw_view3d(NULL, scene, v3d, ar, false); - } - - /* freeing the images again here could be done after the operator runs, leaving for now */ - GPU_free_images_anim(); - } - - /* restore size */ - ar->winx = bwinx; - ar->winy = bwiny; - ar->winrct = brect; - - glPopMatrix(); - - UI_Theme_Restore(&theme_state); - - G.f &= ~G_RENDER_OGL; -} - -/** - * Utility func for ED_view3d_draw_offscreen - * - * \param ofs: Optional off-screen buffer, can be NULL. - * (avoids re-creating when doing multiple GL renders). - */ -ImBuf *ED_view3d_draw_offscreen_imbuf( - Scene *scene, View3D *v3d, ARegion *ar, int sizex, int sizey, - unsigned int flag, bool draw_background, - int alpha_mode, int samples, bool full_samples, const char *viewname, - /* output vars */ - GPUFX *fx, GPUOffScreen *ofs, char err_out[256]) -{ - RegionView3D *rv3d = ar->regiondata; - ImBuf *ibuf; - const bool draw_sky = (alpha_mode == R_ADDSKY); - - /* view state */ - GPUFXSettings fx_settings = v3d->fx_settings; - bool is_ortho = false; - float winmat[4][4]; - - if (ofs && ((GPU_offscreen_width(ofs) != sizex) || (GPU_offscreen_height(ofs) != sizey))) { - /* sizes differ, can't reuse */ - ofs = NULL; - } - - const bool own_ofs = (ofs == NULL); - - if (own_ofs) { - /* bind */ - ofs = GPU_offscreen_create(sizex, sizey, full_samples ? 0 : samples, err_out); - if (ofs == NULL) { - return NULL; - } - } - - ED_view3d_draw_offscreen_init(scene, v3d); - - GPU_offscreen_bind(ofs, true); - - /* read in pixels & stamp */ - ibuf = IMB_allocImBuf(sizex, sizey, 32, flag); - - /* render 3d view */ - if (rv3d->persp == RV3D_CAMOB && v3d->camera) { - CameraParams params; - Object *camera = BKE_camera_multiview_render(scene, v3d->camera, viewname); - - BKE_camera_params_init(¶ms); - /* fallback for non camera objects */ - params.clipsta = v3d->near; - params.clipend = v3d->far; - BKE_camera_params_from_object(¶ms, camera); - BKE_camera_multiview_params(&scene->r, ¶ms, camera, viewname); - BKE_camera_params_compute_viewplane(¶ms, sizex, sizey, scene->r.xasp, scene->r.yasp); - BKE_camera_params_compute_matrix(¶ms); - - BKE_camera_to_gpu_dof(camera, &fx_settings); - - is_ortho = params.is_ortho; - copy_m4_m4(winmat, params.winmat); - } - else { - rctf viewplane; - float clipsta, clipend; - - is_ortho = ED_view3d_viewplane_get(v3d, rv3d, sizex, sizey, &viewplane, &clipsta, &clipend, NULL); - if (is_ortho) { - orthographic_m4(winmat, viewplane.xmin, viewplane.xmax, viewplane.ymin, viewplane.ymax, -clipend, clipend); - } - else { - perspective_m4(winmat, viewplane.xmin, viewplane.xmax, viewplane.ymin, viewplane.ymax, clipsta, clipend); - } - } - - if ((samples && full_samples) == 0) { - /* Single-pass render, common case */ - ED_view3d_draw_offscreen( - scene, v3d, ar, sizex, sizey, NULL, winmat, - draw_background, draw_sky, !is_ortho, viewname, - fx, &fx_settings, ofs); - - if (ibuf->rect_float) { - GPU_offscreen_read_pixels(ofs, GL_FLOAT, ibuf->rect_float); - } - else if (ibuf->rect) { - GPU_offscreen_read_pixels(ofs, GL_UNSIGNED_BYTE, ibuf->rect); - } - } - else { - /* Multi-pass render, use accumulation buffer & jitter for 'full' oversampling. - * Use because OpenGL may use a lower quality MSAA, and only over-sample edges. */ - static float jit_ofs[32][2]; - float winmat_jitter[4][4]; - /* use imbuf as temp storage, before writing into it from accumulation buffer */ - unsigned char *rect_temp = ibuf->rect ? (void *)ibuf->rect : (void *)ibuf->rect_float; - unsigned int *accum_buffer = MEM_mallocN(sizex * sizey * sizeof(int[4]), "accum1"); - unsigned int i; - int j; - - BLI_jitter_init(jit_ofs, samples); - - /* first sample buffer, also initializes 'rv3d->persmat' */ - ED_view3d_draw_offscreen( - scene, v3d, ar, sizex, sizey, NULL, winmat, - draw_background, draw_sky, !is_ortho, viewname, - fx, &fx_settings, ofs); - GPU_offscreen_read_pixels(ofs, GL_UNSIGNED_BYTE, rect_temp); - - i = sizex * sizey * 4; - while (i--) { - accum_buffer[i] = rect_temp[i]; - } - - /* skip the first sample */ - for (j = 1; j < samples; j++) { - copy_m4_m4(winmat_jitter, winmat); - window_translate_m4( - winmat_jitter, rv3d->persmat, - (jit_ofs[j][0] * 2.0f) / sizex, - (jit_ofs[j][1] * 2.0f) / sizey); - - ED_view3d_draw_offscreen( - scene, v3d, ar, sizex, sizey, NULL, winmat_jitter, - draw_background, draw_sky, !is_ortho, viewname, - fx, &fx_settings, ofs); - GPU_offscreen_read_pixels(ofs, GL_UNSIGNED_BYTE, rect_temp); - - i = sizex * sizey * 4; - while (i--) { - accum_buffer[i] += rect_temp[i]; - } - } - - if (ibuf->rect_float) { - float *rect_float = ibuf->rect_float; - i = sizex * sizey * 4; - while (i--) { - rect_float[i] = (float)(accum_buffer[i] / samples) * (1.0f / 255.0f); - } - } - else { - unsigned char *rect_ub = (unsigned char *)ibuf->rect; - i = sizex * sizey * 4; - while (i--) { - rect_ub[i] = accum_buffer[i] / samples; - } - } - - MEM_freeN(accum_buffer); - } - - /* unbind */ - GPU_offscreen_unbind(ofs, true); - - if (own_ofs) { - GPU_offscreen_free(ofs); - } - - if (ibuf->rect_float && ibuf->rect) - IMB_rect_from_float(ibuf); - - return ibuf; -} - -/** - * Creates own fake 3d views (wrapping #ED_view3d_draw_offscreen_imbuf) - * - * \param ofs: Optional off-screen buffer can be NULL. - * (avoids re-creating when doing multiple GL renders). - * - * \note used by the sequencer - */ -ImBuf *ED_view3d_draw_offscreen_imbuf_simple( - Scene *scene, Object *camera, int width, int height, - unsigned int flag, int drawtype, bool use_solid_tex, bool use_gpencil, bool draw_background, - int alpha_mode, int samples, bool full_samples, const char *viewname, - GPUFX *fx, GPUOffScreen *ofs, char err_out[256]) -{ - View3D v3d = {NULL}; - ARegion ar = {NULL}; - RegionView3D rv3d = {{{0}}}; - - /* connect data */ - v3d.regionbase.first = v3d.regionbase.last = &ar; - ar.regiondata = &rv3d; - ar.regiontype = RGN_TYPE_WINDOW; - - v3d.camera = camera; - v3d.lay = scene->lay; - v3d.drawtype = drawtype; - v3d.flag2 = V3D_RENDER_OVERRIDE; - - if (use_gpencil) - v3d.flag2 |= V3D_SHOW_GPENCIL; - - if (use_solid_tex) - v3d.flag2 |= V3D_SOLID_TEX; - - if (draw_background) - v3d.flag3 |= V3D_SHOW_WORLD; - - rv3d.persp = RV3D_CAMOB; - - copy_m4_m4(rv3d.viewinv, v3d.camera->obmat); - normalize_m4(rv3d.viewinv); - invert_m4_m4(rv3d.viewmat, rv3d.viewinv); - - { - CameraParams params; - Object *view_camera = BKE_camera_multiview_render(scene, v3d.camera, viewname); - - BKE_camera_params_init(¶ms); - BKE_camera_params_from_object(¶ms, view_camera); - BKE_camera_multiview_params(&scene->r, ¶ms, view_camera, viewname); - BKE_camera_params_compute_viewplane(¶ms, width, height, scene->r.xasp, scene->r.yasp); - BKE_camera_params_compute_matrix(¶ms); - - copy_m4_m4(rv3d.winmat, params.winmat); - v3d.near = params.clipsta; - v3d.far = params.clipend; - v3d.lens = params.lens; - } - - mul_m4_m4m4(rv3d.persmat, rv3d.winmat, rv3d.viewmat); - invert_m4_m4(rv3d.persinv, rv3d.viewinv); - - return ED_view3d_draw_offscreen_imbuf( - scene, &v3d, &ar, width, height, flag, - draw_background, alpha_mode, samples, full_samples, viewname, - fx, ofs, err_out); -} - - -/** - * \note The info that this uses is updated in #ED_refresh_viewport_fps, - * which currently gets called during #SCREEN_OT_animation_step. - */ -void ED_scene_draw_fps(Scene *scene, const rcti *rect) -{ - ScreenFrameRateInfo *fpsi = scene->fps_info; - float fps; - char printable[16]; - int i, tot; - - if (!fpsi || !fpsi->lredrawtime || !fpsi->redrawtime) - return; - - printable[0] = '\0'; - -#if 0 - /* this is too simple, better do an average */ - fps = (float)(1.0 / (fpsi->lredrawtime - fpsi->redrawtime)) -#else - fpsi->redrawtimes_fps[fpsi->redrawtime_index] = (float)(1.0 / (fpsi->lredrawtime - fpsi->redrawtime)); - - for (i = 0, tot = 0, fps = 0.0f; i < REDRAW_FRAME_AVERAGE; i++) { - if (fpsi->redrawtimes_fps[i]) { - fps += fpsi->redrawtimes_fps[i]; - tot++; - } - } - if (tot) { - fpsi->redrawtime_index = (fpsi->redrawtime_index + 1) % REDRAW_FRAME_AVERAGE; - - //fpsi->redrawtime_index++; - //if (fpsi->redrawtime >= REDRAW_FRAME_AVERAGE) - // fpsi->redrawtime = 0; - - fps = fps / tot; - } -#endif - - /* is this more than half a frame behind? */ - if (fps + 0.5f < (float)(FPS)) { - UI_ThemeColor(TH_REDALERT); - BLI_snprintf(printable, sizeof(printable), IFACE_("fps: %.2f"), fps); - } - else { - UI_ThemeColor(TH_TEXT_HI); - BLI_snprintf(printable, sizeof(printable), IFACE_("fps: %i"), (int)(fps + 0.5f)); - } - -#ifdef WITH_INTERNATIONAL - BLF_draw_default(rect->xmin + U.widget_unit, rect->ymax - U.widget_unit, 0.0f, printable, sizeof(printable)); -#else - BLF_draw_default_ascii(rect->xmin + U.widget_unit, rect->ymax - U.widget_unit, 0.0f, printable, sizeof(printable)); -#endif -} - -static bool view3d_main_region_do_render_draw(Scene *scene) -{ - RenderEngineType *type = RE_engines_find(scene->r.engine); - - return (type && type->view_update && type->view_draw); -} - -bool ED_view3d_calc_render_border(Scene *scene, View3D *v3d, ARegion *ar, rcti *rect) -{ - RegionView3D *rv3d = ar->regiondata; - rctf viewborder; - bool use_border; - - /* test if there is a 3d view rendering */ - if (v3d->drawtype != OB_RENDER || !view3d_main_region_do_render_draw(scene)) - return false; - - /* test if there is a border render */ - if (rv3d->persp == RV3D_CAMOB) - use_border = (scene->r.mode & R_BORDER) != 0; - else - use_border = (v3d->flag2 & V3D_RENDER_BORDER) != 0; - - if (!use_border) - return false; - - /* compute border */ - if (rv3d->persp == RV3D_CAMOB) { - ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &viewborder, false); - - rect->xmin = viewborder.xmin + scene->r.border.xmin * BLI_rctf_size_x(&viewborder); - rect->ymin = viewborder.ymin + scene->r.border.ymin * BLI_rctf_size_y(&viewborder); - rect->xmax = viewborder.xmin + scene->r.border.xmax * BLI_rctf_size_x(&viewborder); - rect->ymax = viewborder.ymin + scene->r.border.ymax * BLI_rctf_size_y(&viewborder); - } - else { - rect->xmin = v3d->render_border.xmin * ar->winx; - rect->xmax = v3d->render_border.xmax * ar->winx; - rect->ymin = v3d->render_border.ymin * ar->winy; - rect->ymax = v3d->render_border.ymax * ar->winy; - } - - BLI_rcti_translate(rect, ar->winrct.xmin, ar->winrct.ymin); - BLI_rcti_isect(&ar->winrct, rect, rect); - - return true; -} - -static bool view3d_main_region_draw_engine(const bContext *C, Scene *scene, - ARegion *ar, View3D *v3d, - bool clip_border, const rcti *border_rect) -{ - RegionView3D *rv3d = ar->regiondata; - RenderEngineType *type; - GLint scissor[4]; - - /* create render engine */ - if (!rv3d->render_engine) { - RenderEngine *engine; - - type = RE_engines_find(scene->r.engine); - - if (!(type->view_update && type->view_draw)) - return false; - - engine = RE_engine_create_ex(type, true); - - engine->tile_x = scene->r.tilex; - engine->tile_y = scene->r.tiley; - - type->view_update(engine, C); - - rv3d->render_engine = engine; - } - - /* setup view matrices */ - view3d_main_region_setup_view(scene, v3d, ar, NULL, NULL); - - /* background draw */ - ED_region_pixelspace(ar); - - if (clip_border) { - /* for border draw, we only need to clear a subset of the 3d view */ - if (border_rect->xmax > border_rect->xmin && border_rect->ymax > border_rect->ymin) { - glGetIntegerv(GL_SCISSOR_BOX, scissor); - glScissor(border_rect->xmin, border_rect->ymin, - BLI_rcti_size_x(border_rect), BLI_rcti_size_y(border_rect)); - } - else { - return false; - } - } - - glClearColor(0.0f, 0.0f, 0.0f, 0.0f); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - if (v3d->flag & V3D_DISPBGPICS) - view3d_draw_bgpic_test(scene, ar, v3d, false, true); - else - fdrawcheckerboard(0, 0, ar->winx, ar->winy); - - /* render result draw */ - type = rv3d->render_engine->type; - type->view_draw(rv3d->render_engine, C); - - if (v3d->flag & V3D_DISPBGPICS) - view3d_draw_bgpic_test(scene, ar, v3d, true, true); - - if (clip_border) { - /* restore scissor as it was before */ - glScissor(scissor[0], scissor[1], scissor[2], scissor[3]); - } - - return true; -} - -static void view3d_main_region_draw_engine_info(View3D *v3d, RegionView3D *rv3d, ARegion *ar, bool render_border) -{ - float fill_color[4] = {0.0f, 0.0f, 0.0f, 0.25f}; - - if (!rv3d->render_engine || !rv3d->render_engine->text[0]) - return; - - if (render_border) { - /* draw darkened background color. no alpha because border render does - * partial redraw and will not redraw the region behind this info bar */ - float alpha = 1.0f - fill_color[3]; - Camera *camera = ED_view3d_camera_data_get(v3d, rv3d); - - if (camera) { - if (camera->flag & CAM_SHOWPASSEPARTOUT) { - alpha *= (1.0f - camera->passepartalpha); - } - } - - UI_GetThemeColor3fv(TH_HIGH_GRAD, fill_color); - mul_v3_fl(fill_color, alpha); - fill_color[3] = 1.0f; - } - - ED_region_info_draw(ar, rv3d->render_engine->text, fill_color, true); -} - -static bool view3d_stereo3d_active(const bContext *C, Scene *scene, View3D *v3d, RegionView3D *rv3d) -{ - wmWindow *win = CTX_wm_window(C); - - if ((scene->r.scemode & R_MULTIVIEW) == 0) - return false; - - if (WM_stereo3d_enabled(win, true) == false) - return false; - - if ((v3d->camera == NULL) || (v3d->camera->type != OB_CAMERA) || rv3d->persp != RV3D_CAMOB) - return false; - - if (scene->r.views_format & SCE_VIEWS_FORMAT_MULTIVIEW) { - if (v3d->stereo3d_camera == STEREO_MONO_ID) - return false; - - return BKE_scene_multiview_is_stereo3d(&scene->r); - } - - return true; -} - -/* setup the view and win matrices for the multiview cameras - * - * unlike view3d_stereo3d_setup_offscreen, when view3d_stereo3d_setup is called - * we have no winmatrix (i.e., projection matrix) defined at that time. - * Since the camera and the camera shift are needed for the winmat calculation - * we do a small hack to replace it temporarily so we don't need to change the - * view3d)main_region_setup_view() code to account for that. - */ -static void view3d_stereo3d_setup(Scene *scene, View3D *v3d, ARegion *ar) -{ - bool is_left; - const char *names[2] = {STEREO_LEFT_NAME, STEREO_RIGHT_NAME}; - const char *viewname; - - /* show only left or right camera */ - if (v3d->stereo3d_camera != STEREO_3D_ID) - v3d->multiview_eye = v3d->stereo3d_camera; - - is_left = v3d->multiview_eye == STEREO_LEFT_ID; - viewname = names[is_left ? STEREO_LEFT_ID : STEREO_RIGHT_ID]; - - /* update the viewport matrices with the new camera */ - if (scene->r.views_format == SCE_VIEWS_FORMAT_STEREO_3D) { - Camera *data; - float viewmat[4][4]; - float shiftx; - - data = (Camera *)v3d->camera->data; - shiftx = data->shiftx; - - BLI_lock_thread(LOCK_VIEW3D); - data->shiftx = BKE_camera_multiview_shift_x(&scene->r, v3d->camera, viewname); - - BKE_camera_multiview_view_matrix(&scene->r, v3d->camera, is_left, viewmat); - view3d_main_region_setup_view(scene, v3d, ar, viewmat, NULL); - - data->shiftx = shiftx; - BLI_unlock_thread(LOCK_VIEW3D); - } - else { /* SCE_VIEWS_FORMAT_MULTIVIEW */ - float viewmat[4][4]; - Object *view_ob = v3d->camera; - Object *camera = BKE_camera_multiview_render(scene, v3d->camera, viewname); - - BLI_lock_thread(LOCK_VIEW3D); - v3d->camera = camera; - - BKE_camera_multiview_view_matrix(&scene->r, camera, false, viewmat); - view3d_main_region_setup_view(scene, v3d, ar, viewmat, NULL); - - v3d->camera = view_ob; - BLI_unlock_thread(LOCK_VIEW3D); - } -} - -static void view3d_stereo3d_setup_offscreen(Scene *scene, View3D *v3d, ARegion *ar, - float winmat[4][4], const char *viewname) -{ - /* update the viewport matrices with the new camera */ - if (scene->r.views_format == SCE_VIEWS_FORMAT_STEREO_3D) { - float viewmat[4][4]; - const bool is_left = STREQ(viewname, STEREO_LEFT_NAME); - - BKE_camera_multiview_view_matrix(&scene->r, v3d->camera, is_left, viewmat); - view3d_main_region_setup_view(scene, v3d, ar, viewmat, winmat); - } - else { /* SCE_VIEWS_FORMAT_MULTIVIEW */ - float viewmat[4][4]; - Object *camera = BKE_camera_multiview_render(scene, v3d->camera, viewname); - - BKE_camera_multiview_view_matrix(&scene->r, camera, false, viewmat); - view3d_main_region_setup_view(scene, v3d, ar, viewmat, winmat); - } -} - -#ifdef WITH_GAMEENGINE -static void update_lods(Scene *scene, float camera_pos[3]) -{ - Scene *sce_iter; - Base *base; - Object *ob; - - for (SETLOOPER(scene, sce_iter, base)) { - ob = base->object; - BKE_object_lod_update(ob, camera_pos); - } -} -#endif - -static void view3d_main_region_draw_objects(const bContext *C, Scene *scene, View3D *v3d, - ARegion *ar, const char **grid_unit) -{ - wmWindow *win = CTX_wm_window(C); - RegionView3D *rv3d = ar->regiondata; - unsigned int lay_used = v3d->lay_used; - - /* post processing */ - bool do_compositing = false; - - /* shadow buffers, before we setup matrices */ - if (draw_glsl_material(scene, NULL, v3d, v3d->drawtype)) - gpu_update_lamps_shadows_world(scene, v3d); - - /* reset default OpenGL lights if needed (i.e. after preferences have been altered) */ - if (rv3d->rflag & RV3D_GPULIGHT_UPDATE) { - rv3d->rflag &= ~RV3D_GPULIGHT_UPDATE; - GPU_default_lights(); - } - - /* setup the view matrix */ - if (view3d_stereo3d_active(C, scene, v3d, rv3d)) - view3d_stereo3d_setup(scene, v3d, ar); - else - view3d_main_region_setup_view(scene, v3d, ar, NULL, NULL); - - rv3d->rflag &= ~RV3D_IS_GAME_ENGINE; -#ifdef WITH_GAMEENGINE - if (STREQ(scene->r.engine, RE_engine_id_BLENDER_GAME)) { - rv3d->rflag |= RV3D_IS_GAME_ENGINE; - - /* Make sure LoDs are up to date */ - update_lods(scene, rv3d->viewinv[3]); - } -#endif - - /* framebuffer fx needed, we need to draw offscreen first */ - if (v3d->fx_settings.fx_flag && v3d->drawtype >= OB_SOLID) { - GPUFXSettings fx_settings; - BKE_screen_gpu_fx_validate(&v3d->fx_settings); - fx_settings = v3d->fx_settings; - if (!rv3d->compositor) - rv3d->compositor = GPU_fx_compositor_create(); - - if (rv3d->persp == RV3D_CAMOB && v3d->camera) - BKE_camera_to_gpu_dof(v3d->camera, &fx_settings); - else { - fx_settings.dof = NULL; - } - - do_compositing = GPU_fx_compositor_initialize_passes(rv3d->compositor, &ar->winrct, &ar->drawrct, &fx_settings); - } - - /* clear the background */ - view3d_main_region_clear(scene, v3d, ar); - - /* enables anti-aliasing for 3D view drawing */ - if (win->multisamples != USER_MULTISAMPLE_NONE) { - glEnable(GL_MULTISAMPLE); - } - - /* main drawing call */ - view3d_draw_objects(C, scene, v3d, ar, grid_unit, true, false, do_compositing ? rv3d->compositor : NULL); - - /* post process */ - if (do_compositing) { - GPU_fx_do_composite_pass(rv3d->compositor, rv3d->winmat, rv3d->is_persp, scene, NULL); - } - - /* Disable back anti-aliasing */ - if (win->multisamples != USER_MULTISAMPLE_NONE) { - glDisable(GL_MULTISAMPLE); - } - - if (v3d->lay_used != lay_used) { /* happens when loading old files or loading with UI load */ - /* find header and force tag redraw */ - ScrArea *sa = CTX_wm_area(C); - ARegion *ar_header = BKE_area_find_region_type(sa, RGN_TYPE_HEADER); - ED_region_tag_redraw(ar_header); /* can be NULL */ - } - - if ((v3d->flag2 & V3D_RENDER_OVERRIDE) == 0) { - BDR_drawSketch(C); - } - -#ifdef WITH_INPUT_NDOF - if ((U.ndof_flag & NDOF_SHOW_GUIDE) && ((rv3d->viewlock & RV3D_LOCKED) == 0) && (rv3d->persp != RV3D_CAMOB)) - /* TODO: draw something else (but not this) during fly mode */ - draw_rotation_guide(rv3d); -#endif } -static bool is_cursor_visible(Scene *scene) -{ - Object *ob = OBACT; - - /* don't draw cursor in paint modes, but with a few exceptions */ - if (ob && ob->mode & OB_MODE_ALL_PAINT) { - /* exception: object is in weight paint and has deforming armature in pose mode */ - if (ob->mode & OB_MODE_WEIGHT_PAINT) { - if (BKE_object_pose_armature_get(ob) != NULL) { - return true; - } - } - /* exception: object in texture paint mode, clone brush, use_clone_layer disabled */ - else if (ob->mode & OB_MODE_TEXTURE_PAINT) { - const Paint *p = BKE_paint_get_active(scene); - - if (p && p->brush && p->brush->imagepaint_tool == PAINT_TOOL_CLONE) { - if ((scene->toolsettings->imapaint.flag & IMAGEPAINT_PROJECT_LAYER_CLONE) == 0) { - return true; - } - } - } - - /* no exception met? then don't draw cursor! */ - return false; - } - - return true; -} - -static void view3d_main_region_draw_info(const bContext *C, Scene *scene, - ARegion *ar, View3D *v3d, - const char *grid_unit, bool render_border) -{ - wmWindowManager *wm = CTX_wm_manager(C); - RegionView3D *rv3d = ar->regiondata; - rcti rect; - - /* local coordinate visible rect inside region, to accomodate overlapping ui */ - ED_region_visible_rect(ar, &rect); - - if (rv3d->persp == RV3D_CAMOB) { - drawviewborder(scene, ar, v3d); - } - else if (v3d->flag2 & V3D_RENDER_BORDER) { - glLineWidth(1.0f); - setlinestyle(3); - cpack(0x4040FF); - - sdrawbox(v3d->render_border.xmin * ar->winx, v3d->render_border.ymin * ar->winy, - v3d->render_border.xmax * ar->winx, v3d->render_border.ymax * ar->winy); - - setlinestyle(0); - } - - if (v3d->flag2 & V3D_SHOW_GPENCIL) { - /* draw grease-pencil stuff - needed to get paint-buffer shown too (since it's 2D) */ - ED_gpencil_draw_view3d(wm, scene, v3d, ar, false); - } - - if ((v3d->flag2 & V3D_RENDER_OVERRIDE) == 0) { - Object *ob; - - /* 3d cursor */ - if (is_cursor_visible(scene)) { - drawcursor(scene, ar, v3d); - } - - if (U.uiflag & USER_SHOW_ROTVIEWICON) - draw_view_axis(rv3d, &rect); - else - draw_view_icon(rv3d, &rect); - - ob = OBACT; - if (U.uiflag & USER_DRAWVIEWINFO) - draw_selected_name(scene, ob, &rect); - } - - if (rv3d->render_engine) { - view3d_main_region_draw_engine_info(v3d, rv3d, ar, render_border); - return; - } - - if ((v3d->flag2 & V3D_RENDER_OVERRIDE) == 0) { - if ((U.uiflag & USER_SHOW_FPS) && ED_screen_animation_no_scrub(wm)) { - ED_scene_draw_fps(scene, &rect); - } - else if (U.uiflag & USER_SHOW_VIEWPORTNAME) { - draw_viewport_name(ar, v3d, &rect); - } - - if (grid_unit) { /* draw below the viewport name */ - char numstr[32] = ""; - - UI_ThemeColor(TH_TEXT_HI); - if (v3d->grid != 1.0f) { - BLI_snprintf(numstr, sizeof(numstr), "%s x %.4g", grid_unit, v3d->grid); - } - - BLF_draw_default_ascii(rect.xmin + U.widget_unit, - rect.ymax - (USER_SHOW_VIEWPORTNAME ? 2 * U.widget_unit : U.widget_unit), 0.0f, - numstr[0] ? numstr : grid_unit, sizeof(numstr)); - } - } -} - -void view3d_main_region_draw(const bContext *C, ARegion *ar) -{ - Scene *scene = CTX_data_scene(C); - View3D *v3d = CTX_wm_view3d(C); - const char *grid_unit = NULL; - rcti border_rect; - bool render_border, clip_border; - - /* if we only redraw render border area, skip opengl draw and also - * don't do scissor because it's already set */ - render_border = ED_view3d_calc_render_border(scene, v3d, ar, &border_rect); - clip_border = (render_border && !BLI_rcti_compare(&ar->drawrct, &border_rect)); - - /* draw viewport using opengl */ - if (v3d->drawtype != OB_RENDER || !view3d_main_region_do_render_draw(scene) || clip_border) { - view3d_main_region_draw_objects(C, scene, v3d, ar, &grid_unit); - -#ifdef DEBUG_DRAW - bl_debug_draw(); -#endif - if (G.debug & G_DEBUG_SIMDATA) - draw_sim_debug_data(scene, v3d, ar); - - ED_region_pixelspace(ar); - } - - /* draw viewport using external renderer */ - if (v3d->drawtype == OB_RENDER) - view3d_main_region_draw_engine(C, scene, ar, v3d, clip_border, &border_rect); - - view3d_main_region_draw_info(C, scene, ar, v3d, grid_unit, render_border); - - v3d->flag |= V3D_INVALID_BACKBUF; - - BLI_assert(BLI_listbase_is_empty(&v3d->afterdraw_transp)); - BLI_assert(BLI_listbase_is_empty(&v3d->afterdraw_xray)); - BLI_assert(BLI_listbase_is_empty(&v3d->afterdraw_xraytransp)); -} - -#ifdef DEBUG_DRAW -/* debug drawing */ -#define _DEBUG_DRAW_QUAD_TOT 1024 -#define _DEBUG_DRAW_EDGE_TOT 1024 -static float _bl_debug_draw_quads[_DEBUG_DRAW_QUAD_TOT][4][3]; -static int _bl_debug_draw_quads_tot = 0; -static float _bl_debug_draw_edges[_DEBUG_DRAW_QUAD_TOT][2][3]; -static int _bl_debug_draw_edges_tot = 0; -static unsigned int _bl_debug_draw_quads_color[_DEBUG_DRAW_QUAD_TOT]; -static unsigned int _bl_debug_draw_edges_color[_DEBUG_DRAW_EDGE_TOT]; -static unsigned int _bl_debug_draw_color; - -void bl_debug_draw_quad_clear(void) -{ - _bl_debug_draw_quads_tot = 0; - _bl_debug_draw_edges_tot = 0; - _bl_debug_draw_color = 0x00FF0000; -} -void bl_debug_color_set(const unsigned int color) -{ - _bl_debug_draw_color = color; -} -void bl_debug_draw_quad_add(const float v0[3], const float v1[3], const float v2[3], const float v3[3]) -{ - if (_bl_debug_draw_quads_tot >= _DEBUG_DRAW_QUAD_TOT) { - printf("%s: max quad count hit %d!", __func__, _bl_debug_draw_quads_tot); - } - else { - float *pt = &_bl_debug_draw_quads[_bl_debug_draw_quads_tot][0][0]; - copy_v3_v3(pt, v0); pt += 3; - copy_v3_v3(pt, v1); pt += 3; - copy_v3_v3(pt, v2); pt += 3; - copy_v3_v3(pt, v3); pt += 3; - _bl_debug_draw_quads_color[_bl_debug_draw_quads_tot] = _bl_debug_draw_color; - _bl_debug_draw_quads_tot++; - } -} -void bl_debug_draw_edge_add(const float v0[3], const float v1[3]) -{ - if (_bl_debug_draw_quads_tot >= _DEBUG_DRAW_EDGE_TOT) { - printf("%s: max edge count hit %d!", __func__, _bl_debug_draw_edges_tot); - } - else { - float *pt = &_bl_debug_draw_edges[_bl_debug_draw_edges_tot][0][0]; - copy_v3_v3(pt, v0); pt += 3; - copy_v3_v3(pt, v1); pt += 3; - _bl_debug_draw_edges_color[_bl_debug_draw_edges_tot] = _bl_debug_draw_color; - _bl_debug_draw_edges_tot++; - } -} -static void bl_debug_draw(void) -{ - unsigned int color; - if (_bl_debug_draw_quads_tot) { - int i; - color = _bl_debug_draw_quads_color[0]; - cpack(color); - for (i = 0; i < _bl_debug_draw_quads_tot; i ++) { - if (_bl_debug_draw_quads_color[i] != color) { - color = _bl_debug_draw_quads_color[i]; - cpack(color); - } - glBegin(GL_LINE_LOOP); - glVertex3fv(_bl_debug_draw_quads[i][0]); - glVertex3fv(_bl_debug_draw_quads[i][1]); - glVertex3fv(_bl_debug_draw_quads[i][2]); - glVertex3fv(_bl_debug_draw_quads[i][3]); - glEnd(); - } - } - if (_bl_debug_draw_edges_tot) { - int i; - color = _bl_debug_draw_edges_color[0]; - cpack(color); - glBegin(GL_LINES); - for (i = 0; i < _bl_debug_draw_edges_tot; i ++) { - if (_bl_debug_draw_edges_color[i] != color) { - color = _bl_debug_draw_edges_color[i]; - cpack(color); - } - glVertex3fv(_bl_debug_draw_edges[i][0]); - glVertex3fv(_bl_debug_draw_edges[i][1]); - } - glEnd(); - color = _bl_debug_draw_edges_color[0]; - cpack(color); - glPointSize(4.0); - glBegin(GL_POINTS); - for (i = 0; i < _bl_debug_draw_edges_tot; i ++) { - if (_bl_debug_draw_edges_color[i] != color) { - color = _bl_debug_draw_edges_color[i]; - cpack(color); - } - glVertex3fv(_bl_debug_draw_edges[i][0]); - glVertex3fv(_bl_debug_draw_edges[i][1]); - } - glEnd(); - } -} -#endif diff --git a/source/blender/editors/space_view3d/view3d_draw_legacy.c b/source/blender/editors/space_view3d/view3d_draw_legacy.c new file mode 100644 index 00000000000..4f8b59c60c8 --- /dev/null +++ b/source/blender/editors/space_view3d/view3d_draw_legacy.c @@ -0,0 +1,4362 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2008 Blender Foundation. + * All rights reserved. + * + * + * Contributor(s): Blender Foundation + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/editors/space_view3d/view3d_draw.c + * \ingroup spview3d + */ + +#include <string.h> +#include <stdio.h> +#include <math.h> + +#include "DNA_armature_types.h" +#include "DNA_camera_types.h" +#include "DNA_customdata_types.h" +#include "DNA_object_types.h" +#include "DNA_group_types.h" +#include "DNA_mesh_types.h" +#include "DNA_key_types.h" +#include "DNA_lamp_types.h" +#include "DNA_scene_types.h" +#include "DNA_world_types.h" +#include "DNA_brush_types.h" + +#include "MEM_guardedalloc.h" + +#include "BLI_blenlib.h" +#include "BLI_math.h" +#include "BLI_jitter.h" +#include "BLI_utildefines.h" +#include "BLI_endian_switch.h" +#include "BLI_threads.h" + +#include "BKE_anim.h" +#include "BKE_camera.h" +#include "BKE_context.h" +#include "BKE_customdata.h" +#include "BKE_DerivedMesh.h" +#include "BKE_image.h" +#include "BKE_key.h" +#include "BKE_main.h" +#include "BKE_object.h" +#include "BKE_global.h" +#include "BKE_paint.h" +#include "BKE_scene.h" +#include "BKE_screen.h" +#include "BKE_unit.h" +#include "BKE_movieclip.h" + +#include "RE_engine.h" + +#include "IMB_imbuf_types.h" +#include "IMB_imbuf.h" +#include "IMB_colormanagement.h" + +#include "BIF_gl.h" +#include "BIF_glutil.h" + +#include "WM_api.h" + +#include "BLF_api.h" +#include "BLT_translation.h" + +#include "ED_armature.h" +#include "ED_keyframing.h" +#include "ED_gpencil.h" +#include "ED_screen.h" +#include "ED_space_api.h" +#include "ED_screen_types.h" +#include "ED_transform.h" + +#include "UI_interface.h" +#include "UI_interface_icons.h" +#include "UI_resources.h" + +#include "GPU_draw.h" +#include "GPU_framebuffer.h" +#include "GPU_material.h" +#include "GPU_compositing.h" +#include "GPU_extensions.h" +#include "GPU_immediate.h" + +#include "view3d_intern.h" /* own include */ + +/* prototypes */ +static void view3d_stereo3d_setup(Scene *scene, View3D *v3d, ARegion *ar); +static void view3d_stereo3d_setup_offscreen(Scene *scene, View3D *v3d, ARegion *ar, + float winmat[4][4], const char *viewname); + +/* handy utility for drawing shapes in the viewport for arbitrary code. + * could add lines and points too */ +// #define DEBUG_DRAW +#ifdef DEBUG_DRAW +static void bl_debug_draw(void); +/* add these locally when using these functions for testing */ +extern void bl_debug_draw_quad_clear(void); +extern void bl_debug_draw_quad_add(const float v0[3], const float v1[3], const float v2[3], const float v3[3]); +extern void bl_debug_draw_edge_add(const float v0[3], const float v1[3]); +extern void bl_debug_color_set(const unsigned int col); +#endif + +void circ(float x, float y, float rad) +{ + glBegin(GL_LINE_LOOP); + const int segments = 32; + for (int i = 0; i < segments; ++i) { + float angle = 2 * M_PI * ((float)i / (float)segments); + glVertex2f(x + rad * cosf(angle), + y + rad * sinf(angle)); + } + glEnd(); +} + + +/* ********* custom clipping *********** */ + +static void view3d_draw_clipping(RegionView3D *rv3d) +{ + BoundBox *bb = rv3d->clipbb; + + if (bb) { + const unsigned int clipping_index[6][4] = { + {0, 1, 2, 3}, + {0, 4, 5, 1}, + {4, 7, 6, 5}, + {7, 3, 2, 6}, + {1, 5, 6, 2}, + {7, 4, 0, 3} + }; + + /* fill in zero alpha for rendering & re-projection [#31530] */ + unsigned char col[4]; + UI_GetThemeColor4ubv(TH_V3D_CLIPPING_BORDER, col); + glColor4ubv(col); + + glEnable(GL_BLEND); + glEnableClientState(GL_VERTEX_ARRAY); + glVertexPointer(3, GL_FLOAT, 0, bb->vec); + glDrawElements(GL_QUADS, sizeof(clipping_index) / sizeof(unsigned int), GL_UNSIGNED_INT, clipping_index); + glDisableClientState(GL_VERTEX_ARRAY); + glDisable(GL_BLEND); + } +} + +void ED_view3d_clipping_set(RegionView3D *rv3d) +{ + double plane[4]; + const unsigned int tot = (rv3d->viewlock & RV3D_BOXCLIP) ? 4 : 6; + unsigned int a; + + for (a = 0; a < tot; a++) { + copy_v4db_v4fl(plane, rv3d->clip[a]); + glClipPlane(GL_CLIP_PLANE0 + a, plane); + glEnable(GL_CLIP_PLANE0 + a); + } +} + +/* use these to temp disable/enable clipping when 'rv3d->rflag & RV3D_CLIPPING' is set */ +void ED_view3d_clipping_disable(void) +{ + unsigned int a; + + for (a = 0; a < 6; a++) { + glDisable(GL_CLIP_PLANE0 + a); + } +} +void ED_view3d_clipping_enable(void) +{ + unsigned int a; + + for (a = 0; a < 6; a++) { + glEnable(GL_CLIP_PLANE0 + a); + } +} + +static bool view3d_clipping_test(const float co[3], const float clip[6][4]) +{ + if (plane_point_side_v3(clip[0], co) > 0.0f) + if (plane_point_side_v3(clip[1], co) > 0.0f) + if (plane_point_side_v3(clip[2], co) > 0.0f) + if (plane_point_side_v3(clip[3], co) > 0.0f) + return false; + + return true; +} + +/* for 'local' ED_view3d_clipping_local must run first + * then all comparisons can be done in localspace */ +bool ED_view3d_clipping_test(const RegionView3D *rv3d, const float co[3], const bool is_local) +{ + return view3d_clipping_test(co, is_local ? rv3d->clip_local : rv3d->clip); +} + +/* ********* end custom clipping *********** */ + +#define DEBUG_GRID 0 + +static void gridline_range(double x0, double dx, double max, int* first_out, int* count_out) +{ + /* determine range of gridlines that appear in this Area -- similar calc but separate ranges for x & y + * x0 is gridline 0, the axis in screen space + * Area covers [0 .. max) pixels */ + + int first = (int)ceil(-x0 / dx); + int last = (int)floor((max - x0) / dx); + + if (first <= last) { + *first_out = first; + *count_out = last - first + 1; + } + else { + *first_out = 0; + *count_out = 0; + } + +#if DEBUG_GRID + printf(" first %d * dx = %f\n", first, x0 + first * dx); + printf(" last %d * dx = %f\n", last, x0 + last * dx); + printf(" count = %d\n", *count_out); +#endif +} + +static int gridline_count(ARegion *ar, double x0, double y0, double dx) +{ + /* x0 & y0 establish the "phase" of the grid within this 2D region + * dx is the frequency, shared by x & y directions + * pass in dx of smallest (highest precision) grid we want to draw */ + +#if DEBUG_GRID + printf(" %s(%f, %f, dx:%f)\n", __FUNCTION__, x0, y0, dx); +#endif + + int first, x_ct, y_ct; + + gridline_range(x0, dx, ar->winx, &first, &x_ct); + gridline_range(y0, dx, ar->winy, &first, &y_ct); + + int total_ct = x_ct + y_ct; + +#if DEBUG_GRID + printf(" %d + %d = %d gridlines\n", x_ct, y_ct, total_ct); +#endif + + return total_ct; +} + +static bool drawgrid_draw(ARegion *ar, double x0, double y0, double dx, int skip_mod, unsigned pos, unsigned col, GLubyte col_value[3]) +{ + /* skip every skip_mod lines relative to each axis; they will be overlaid by another drawgrid_draw + * always skip exact x0 & y0 axes; they will be drawn later in color + * + * set grid color once, just before the first line is drawn + * it's harmless to set same color for every line, or every vertex + * but if no lines are drawn, color must not be set! */ + +#if DEBUG_GRID + printf(" %s(%f, %f, dx:%f, skip_mod:%d)\n", __FUNCTION__, x0, y0, dx, skip_mod); +#endif + + const float x_max = (float)ar->winx; + const float y_max = (float)ar->winy; + + int first, ct; + int x_ct = 0, y_ct = 0; /* count of lines actually drawn */ + int lines_skipped_for_next_unit = 0; + + /* draw vertical lines */ + gridline_range(x0, dx, x_max, &first, &ct); + + for (int i = first; i < first + ct; ++i) { + if (i == 0) + continue; + else if (skip_mod && (i % skip_mod) == 0) { + ++lines_skipped_for_next_unit; + continue; + } + + if (x_ct == 0) + immAttrib3ub(col, col_value[0], col_value[1], col_value[2]); + + float x = (float)(x0 + i * dx); + immVertex2f(pos, x, 0.0f); + immVertex2f(pos, x, y_max); + ++x_ct; + } + + /* draw horizontal lines */ + gridline_range(y0, dx, y_max, &first, &ct); + + for (int i = first; i < first + ct; ++i) { + if (i == 0) + continue; + else if (skip_mod && (i % skip_mod) == 0) { + ++lines_skipped_for_next_unit; + continue; + } + + if (x_ct + y_ct == 0) + immAttrib3ub(col, col_value[0], col_value[1], col_value[2]); + + float y = (float)(y0 + i * dx); + immVertex2f(pos, 0.0f, y); + immVertex2f(pos, x_max, y); + ++y_ct; + } + +#if DEBUG_GRID + int total_ct = x_ct + y_ct; + printf(" %d + %d = %d gridlines drawn, %d skipped for next unit\n", x_ct, y_ct, total_ct, lines_skipped_for_next_unit); +#endif + + return lines_skipped_for_next_unit > 0; +} + +#define GRID_MIN_PX_D 6.0 +#define GRID_MIN_PX_F 6.0f + +static void drawgrid(UnitSettings *unit, ARegion *ar, View3D *v3d, const char **grid_unit) +{ + RegionView3D *rv3d = ar->regiondata; + +#if DEBUG_GRID + printf("%s width %d, height %d\n", __FUNCTION__, ar->winx, ar->winy); +#endif + + double fx = rv3d->persmat[3][0]; + double fy = rv3d->persmat[3][1]; + double fw = rv3d->persmat[3][3]; + + const double wx = 0.5 * ar->winx; /* use double precision to avoid rounding errors */ + const double wy = 0.5 * ar->winy; + + double x = wx * fx / fw; + double y = wy * fy / fw; + + double vec4[4] = { v3d->grid, v3d->grid, 0.0, 1.0 }; + mul_m4_v4d(rv3d->persmat, vec4); + fx = vec4[0]; + fy = vec4[1]; + fw = vec4[3]; + + double dx = fabs(x - wx * fx / fw); + if (dx == 0) dx = fabs(y - wy * fy / fw); + + x += wx; + y += wy; + + /* now x, y, and dx have their final values + * (x,y) is the world origin (0,0,0) mapped to Area-relative screen space + * dx is the distance in pixels between grid lines -- same for horiz or vert grid lines */ + + glLineWidth(1.0f); + + glDepthMask(GL_FALSE); /* disable write in zbuffer */ + + VertexFormat* format = immVertexFormat(); + unsigned pos = add_attrib(format, "pos", GL_FLOAT, 2, KEEP_FLOAT); + unsigned color = add_attrib(format, "color", GL_UNSIGNED_BYTE, 3, NORMALIZE_INT_TO_FLOAT); + + immBindBuiltinProgram(GPU_SHADER_2D_FLAT_COLOR); + + unsigned char col[3], col2[3]; + UI_GetThemeColor3ubv(TH_GRID, col); + + if (unit->system) { + const void *usys; + int len; + + bUnit_GetSystem(unit->system, B_UNIT_LENGTH, &usys, &len); + + bool first = true; + + if (usys) { + int i = len; + while (i--) { + double scalar = bUnit_GetScaler(usys, i); + + double dx_scalar = dx * scalar / (double)unit->scale_length; + if (dx_scalar < (GRID_MIN_PX_D * 2.0)) { + /* very very small grid items are less useful when dealing with units */ + continue; + } + + if (first) { + first = false; + + /* Store the smallest drawn grid size units name so users know how big each grid cell is */ + *grid_unit = bUnit_GetNameDisplay(usys, i); + rv3d->gridview = (float)((scalar * (double)v3d->grid) / (double)unit->scale_length); + + int gridline_ct = gridline_count(ar, x, y, dx_scalar); + if (gridline_ct == 0) + goto drawgrid_cleanup; /* nothing to draw */ + + immBegin(GL_LINES, gridline_ct * 2); + } + + float blend_fac = 1.0f - ((GRID_MIN_PX_F * 2.0f) / (float)dx_scalar); + /* tweak to have the fade a bit nicer */ + blend_fac = (blend_fac * blend_fac) * 2.0f; + CLAMP(blend_fac, 0.3f, 1.0f); + + UI_GetThemeColorBlend3ubv(TH_HIGH_GRAD, TH_GRID, blend_fac, col2); + + const int skip_mod = (i == 0) ? 0 : (int)round(bUnit_GetScaler(usys, i - 1) / scalar); +#if DEBUG_GRID + printf("%s %f, ", bUnit_GetNameDisplay(usys, i), scalar); + if (i > 0) + printf("next unit is %d times larger\n", skip_mod); + else + printf("largest unit\n"); +#endif + if (!drawgrid_draw(ar, x, y, dx_scalar, skip_mod, pos, color, col2)) + break; + } + } + } + else { + const double sublines = v3d->gridsubdiv; + const float sublines_fl = v3d->gridsubdiv; + + int grids_to_draw = 2; /* first the faint fine grid, then the bold coarse grid */ + + if (dx < GRID_MIN_PX_D) { + rv3d->gridview *= sublines_fl; + dx *= sublines; + if (dx < GRID_MIN_PX_D) { + rv3d->gridview *= sublines_fl; + dx *= sublines; + if (dx < GRID_MIN_PX_D) { + rv3d->gridview *= sublines_fl; + dx *= sublines; + grids_to_draw = (dx < GRID_MIN_PX_D) ? 0 : 1; + } + } + } + else { + if (dx > (GRID_MIN_PX_D * 10.0)) { /* start blending in */ + rv3d->gridview /= sublines_fl; + dx /= sublines; + if (dx > (GRID_MIN_PX_D * 10.0)) { /* start blending in */ + rv3d->gridview /= sublines_fl; + dx /= sublines; + if (dx > (GRID_MIN_PX_D * 10.0)) { + grids_to_draw = 1; + } + } + } + } + + int gridline_ct = gridline_count(ar, x, y, dx); + if (gridline_ct == 0) + goto drawgrid_cleanup; /* nothing to draw */ + + immBegin(GL_LINES, gridline_ct * 2); + + if (grids_to_draw == 2) { + UI_GetThemeColorBlend3ubv(TH_HIGH_GRAD, TH_GRID, dx / (GRID_MIN_PX_D * 6.0), col2); + if (drawgrid_draw(ar, x, y, dx, v3d->gridsubdiv, pos, color, col2)) + drawgrid_draw(ar, x, y, dx * sublines, 0, pos, color, col); + } + else if (grids_to_draw == 1) { + drawgrid_draw(ar, x, y, dx, 0, pos, color, col); + } + } + + /* draw visible axes */ + /* horizontal line */ + if (0 <= y && y < ar->winy) { + UI_make_axis_color(col, col2, ELEM(rv3d->view, RV3D_VIEW_RIGHT, RV3D_VIEW_LEFT) ? 'Y' : 'X'); + immAttrib3ub(color, col2[0], col2[1], col2[2]); + immVertex2f(pos, 0.0f, y); + immVertex2f(pos, (float)ar->winx, y); + } + + /* vertical line */ + if (0 <= x && x < ar->winx) { + UI_make_axis_color(col, col2, ELEM(rv3d->view, RV3D_VIEW_TOP, RV3D_VIEW_BOTTOM) ? 'Y' : 'Z'); + immAttrib3ub(color, col2[0], col2[1], col2[2]); + immVertex2f(pos, x, 0.0f); + immVertex2f(pos, x, (float)ar->winy); + } + + immEnd(); + +drawgrid_cleanup: + immUnbindProgram(); + glDepthMask(GL_TRUE); /* enable write in zbuffer */ +} + +#undef DEBUG_GRID +#undef GRID_MIN_PX_D +#undef GRID_MIN_PX_F + +/** could move this elsewhere, but tied into #ED_view3d_grid_scale */ +float ED_scene_grid_scale(Scene *scene, const char **grid_unit) +{ + /* apply units */ + if (scene->unit.system) { + const void *usys; + int len; + + bUnit_GetSystem(scene->unit.system, B_UNIT_LENGTH, &usys, &len); + + if (usys) { + int i = bUnit_GetBaseUnit(usys); + if (grid_unit) + *grid_unit = bUnit_GetNameDisplay(usys, i); + return (float)bUnit_GetScaler(usys, i) / scene->unit.scale_length; + } + } + + return 1.0f; +} + +float ED_view3d_grid_scale(Scene *scene, View3D *v3d, const char **grid_unit) +{ + return v3d->grid * ED_scene_grid_scale(scene, grid_unit); +} + +static void drawfloor(Scene *scene, View3D *v3d, const char **grid_unit, bool write_depth) +{ + /* draw only if there is something to draw */ + if (v3d->gridflag & (V3D_SHOW_FLOOR | V3D_SHOW_X | V3D_SHOW_Y | V3D_SHOW_Z)) { + /* draw how many lines? + * trunc(v3d->gridlines / 2) * 4 + * + 2 for xy axes (possibly with special colors) + * + 1 for z axis (the only line not in xy plane) + * even v3d->gridlines are honored, odd rounded down */ + const int gridlines = v3d->gridlines / 2; + const float grid_scale = ED_view3d_grid_scale(scene, v3d, grid_unit); + const float grid = gridlines * grid_scale; + + const bool show_floor = (v3d->gridflag & V3D_SHOW_FLOOR) && gridlines >= 1; + + bool show_axis_x = v3d->gridflag & V3D_SHOW_X; + bool show_axis_y = v3d->gridflag & V3D_SHOW_Y; + bool show_axis_z = v3d->gridflag & V3D_SHOW_Z; + + unsigned char col_grid[3], col_axis[3]; + + glLineWidth(1.0f); + + UI_GetThemeColor3ubv(TH_GRID, col_grid); + + if (!write_depth) + glDepthMask(GL_FALSE); + + if (show_floor) { + const unsigned vertex_ct = 2 * (gridlines * 4 + 2); + const int sublines = v3d->gridsubdiv; + + unsigned char col_bg[3], col_grid_emphasise[3], col_grid_light[3]; + + VertexFormat* format = immVertexFormat(); + unsigned pos = add_attrib(format, "pos", GL_FLOAT, 2, KEEP_FLOAT); + unsigned color = add_attrib(format, "color", GL_UNSIGNED_BYTE, 3, NORMALIZE_INT_TO_FLOAT); + + immBindBuiltinProgram(GPU_SHADER_3D_FLAT_COLOR); + + glDepthFunc(GL_ALWAYS); /* draw lines in order given */ + + immBegin(GL_LINES, vertex_ct); + + /* draw normal grid lines */ + UI_GetColorPtrShade3ubv(col_grid, col_grid_light, 10); + immAttrib3ubv(color, col_grid_light); + + for (int a = 1; a <= gridlines; a++) { + /* skip emphasised divider lines */ + if (a % sublines != 0) { + const float line = a * grid_scale; + + immVertex2f(pos, -grid, -line); + immVertex2f(pos, +grid, -line); + immVertex2f(pos, -grid, +line); + immVertex2f(pos, +grid, +line); + + immVertex2f(pos, -line, -grid); + immVertex2f(pos, -line, +grid); + immVertex2f(pos, +line, -grid); + immVertex2f(pos, +line, +grid); + } + } + + /* draw emphasised grid lines */ + UI_GetThemeColor3ubv(TH_BACK, col_bg); + /* emphasise division lines lighter instead of darker, if background is darker than grid */ + UI_GetColorPtrShade3ubv(col_grid, col_grid_emphasise, + (col_grid[0] + col_grid[1] + col_grid[2] + 30 > + col_bg[0] + col_bg[1] + col_bg[2]) ? 20 : -10); + + if (sublines <= gridlines) { + immAttrib3ubv(color, col_grid_emphasise); + + for (int a = sublines; a <= gridlines; a += sublines) { + const float line = a * grid_scale; + + immVertex2f(pos, -grid, -line); + immVertex2f(pos, +grid, -line); + immVertex2f(pos, -grid, +line); + immVertex2f(pos, +grid, +line); + + immVertex2f(pos, -line, -grid); + immVertex2f(pos, -line, +grid); + immVertex2f(pos, +line, -grid); + immVertex2f(pos, +line, +grid); + } + } + + /* draw X axis */ + if (show_axis_x) { + show_axis_x = false; /* drawing now, won't need to draw later */ + UI_make_axis_color(col_grid, col_axis, 'X'); + immAttrib3ubv(color, col_axis); + } + else + immAttrib3ubv(color, col_grid_emphasise); + + immVertex2f(pos, -grid, 0.0f); + immVertex2f(pos, +grid, 0.0f); + + /* draw Y axis */ + if (show_axis_y) { + show_axis_y = false; /* drawing now, won't need to draw later */ + UI_make_axis_color(col_grid, col_axis, 'Y'); + immAttrib3ubv(color, col_axis); + } + else + immAttrib3ubv(color, col_grid_emphasise); + + immVertex2f(pos, 0.0f, -grid); + immVertex2f(pos, 0.0f, +grid); + + immEnd(); + immUnbindProgram(); + + /* done with XY plane */ + + glDepthFunc(GL_LESS); /* restore default */ + } + + if (show_axis_x || show_axis_y || show_axis_z) { + /* draw axis lines -- sometimes grid floor is off, other times we still need to draw the Z axis */ + + VertexFormat* format = immVertexFormat(); + unsigned pos = add_attrib(format, "pos", GL_FLOAT, 3, KEEP_FLOAT); + unsigned color = add_attrib(format, "color", GL_UNSIGNED_BYTE, 3, NORMALIZE_INT_TO_FLOAT); + + immBindBuiltinProgram(GPU_SHADER_3D_FLAT_COLOR); + immBegin(GL_LINES, (show_axis_x + show_axis_y + show_axis_z) * 2); + + if (show_axis_x) { + UI_make_axis_color(col_grid, col_axis, 'X'); + immAttrib3ubv(color, col_axis); + immVertex3f(pos, -grid, 0.0f, 0.0f); + immVertex3f(pos, +grid, 0.0f, 0.0f); + } + + if (show_axis_y) { + UI_make_axis_color(col_grid, col_axis, 'Y'); + immAttrib3ubv(color, col_axis); + immVertex3f(pos, 0.0f, -grid, 0.0f); + immVertex3f(pos, 0.0f, +grid, 0.0f); + } + + if (show_axis_z) { + UI_make_axis_color(col_grid, col_axis, 'Z'); + immAttrib3ubv(color, col_axis); + immVertex3f(pos, 0.0f, 0.0f, -grid); + immVertex3f(pos, 0.0f, 0.0f, +grid); + } + + immEnd(); + immUnbindProgram(); + } + + if (!write_depth) + glDepthMask(GL_TRUE); + } +} + +static void drawcursor(Scene *scene, ARegion *ar, View3D *v3d) +{ + int co[2]; + + /* we don't want the clipping for cursor */ + if (ED_view3d_project_int_global(ar, ED_view3d_cursor3d_get(scene, v3d), co, V3D_PROJ_TEST_NOP) == V3D_PROJ_RET_OK) { + const float f5 = 0.25f * U.widget_unit; + const float f10 = 0.5f * U.widget_unit; + const float f20 = U.widget_unit; + + glLineWidth(1); + + VertexFormat* format = immVertexFormat(); + unsigned pos = add_attrib(format, "pos", GL_FLOAT, 2, KEEP_FLOAT); + unsigned color = add_attrib(format, "color", GL_UNSIGNED_BYTE, 3, NORMALIZE_INT_TO_FLOAT); + + immBindBuiltinProgram(GPU_SHADER_2D_FLAT_COLOR); + + const int segments = 16; + + immBegin(GL_LINE_LOOP, segments); + + for (int i = 0; i < segments; ++i) { + float angle = 2 * M_PI * ((float)i / (float)segments); + float x = co[0] + f10 * cosf(angle); + float y = co[1] + f10 * sinf(angle); + + if (i % 2 == 0) + immAttrib3ub(color, 255, 0, 0); + else + immAttrib3ub(color, 255, 255, 255); + + immVertex2f(pos, x, y); + } + immEnd(); + + immUnbindProgram(); + + VertexFormat_clear(format); + pos = add_attrib(format, "pos", GL_FLOAT, 2, KEEP_FLOAT); + + immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR); + + unsigned char crosshair_color[3]; + UI_GetThemeColor3ubv(TH_VIEW_OVERLAY, crosshair_color); + immUniformColor3ubv(crosshair_color); + + immBegin(GL_LINES, 8); + immVertex2f(pos, co[0] - f20, co[1]); + immVertex2f(pos, co[0] - f5, co[1]); + immVertex2f(pos, co[0] + f5, co[1]); + immVertex2f(pos, co[0] + f20, co[1]); + immVertex2f(pos, co[0], co[1] - f20); + immVertex2f(pos, co[0], co[1] - f5); + immVertex2f(pos, co[0], co[1] + f5); + immVertex2f(pos, co[0], co[1] + f20); + immEnd(); + + immUnbindProgram(); + } +} + +static void draw_view_axis(RegionView3D *rv3d, rcti *rect) +{ + const float k = U.rvisize * U.pixelsize; /* axis size */ + const int bright = - 20 * (10 - U.rvibright); /* axis alpha offset (rvibright has range 0-10) */ + + const float startx = rect->xmin + k + 1.0f; /* axis center in screen coordinates, x=y */ + const float starty = rect->ymin + k + 1.0f; + + float axis_pos[3][2]; + unsigned char axis_col[3][4]; + + int axis_order[3] = {0, 1, 2}; + axis_sort_v3(rv3d->viewinv[2], axis_order); + + for (int axis_i = 0; axis_i < 3; axis_i++) { + int i = axis_order[axis_i]; + + /* get position of each axis tip on screen */ + float vec[3] = { 0.0f }; + vec[i] = 1.0f; + mul_qt_v3(rv3d->viewquat, vec); + axis_pos[i][0] = startx + vec[0] * k; + axis_pos[i][1] = starty + vec[1] * k; + + /* get color of each axis */ + UI_GetThemeColorShade3ubv(TH_AXIS_X + i, bright, axis_col[i]); /* rgb */ + axis_col[i][3] = 255 * hypotf(vec[0], vec[1]); /* alpha */ + } + + /* draw axis lines */ + glLineWidth(2); + glEnable(GL_LINE_SMOOTH); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + VertexFormat *format = immVertexFormat(); + unsigned pos = add_attrib(format, "pos", GL_FLOAT, 2, KEEP_FLOAT); + unsigned col = add_attrib(format, "color", GL_UNSIGNED_BYTE, 4, NORMALIZE_INT_TO_FLOAT); + + immBindBuiltinProgram(GPU_SHADER_2D_FLAT_COLOR); + immBegin(GL_LINES, 6); + + for (int axis_i = 0; axis_i < 3; axis_i++) { + int i = axis_order[axis_i]; + + immAttrib4ubv(col, axis_col[i]); + immVertex2f(pos, startx, starty); + immVertex2fv(pos, axis_pos[i]); + } + + immEnd(); + immUnbindProgram(); + glDisable(GL_LINE_SMOOTH); + + /* draw axis names */ + for (int axis_i = 0; axis_i < 3; axis_i++) { + int i = axis_order[axis_i]; + + const char axis_text[2] = {'x' + i, '\0'}; + glColor4ubv(axis_col[i]); /* text shader still uses gl_Color */ + BLF_draw_default_ascii(axis_pos[i][0] + 2, axis_pos[i][1] + 2, 0.0f, axis_text, 1); + } + + /* BLF_draw_default disabled blending for us */ +} + +#ifdef WITH_INPUT_NDOF +/* draw center and axis of rotation for ongoing 3D mouse navigation */ +static void draw_rotation_guide(RegionView3D *rv3d) +{ + float o[3]; /* center of rotation */ + float end[3]; /* endpoints for drawing */ + + GLubyte color[4] = {0, 108, 255, 255}; /* bright blue so it matches device LEDs */ + + negate_v3_v3(o, rv3d->ofs); + + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glPointSize(5); + glEnable(GL_POINT_SMOOTH); + glDepthMask(0); /* don't overwrite zbuf */ + + VertexFormat *format = immVertexFormat(); + unsigned pos = add_attrib(format, "pos", GL_FLOAT, 3, KEEP_FLOAT); + unsigned col = add_attrib(format, "color", GL_UNSIGNED_BYTE, 4, NORMALIZE_INT_TO_FLOAT); + + immBindBuiltinProgram(GPU_SHADER_3D_SMOOTH_COLOR); + + if (rv3d->rot_angle != 0.0f) { + /* -- draw rotation axis -- */ + float scaled_axis[3]; + const float scale = rv3d->dist; + mul_v3_v3fl(scaled_axis, rv3d->rot_axis, scale); + + + immBegin(GL_LINE_STRIP, 3); + color[3] = 0; /* more transparent toward the ends */ + immAttrib4ubv(col, color); + add_v3_v3v3(end, o, scaled_axis); + immVertex3fv(pos, end); + +#if 0 + color[3] = 0.2f + fabsf(rv3d->rot_angle); /* modulate opacity with angle */ + /* ^^ neat idea, but angle is frame-rate dependent, so it's usually close to 0.2 */ +#endif + + color[3] = 127; /* more opaque toward the center */ + immAttrib4ubv(col, color); + immVertex3fv(pos, o); + + color[3] = 0; + immAttrib4ubv(col, color); + sub_v3_v3v3(end, o, scaled_axis); + immVertex3fv(pos, end); + immEnd(); + + /* -- draw ring around rotation center -- */ + { +#define ROT_AXIS_DETAIL 13 + + const float s = 0.05f * scale; + const float step = 2.0f * (float)(M_PI / ROT_AXIS_DETAIL); + float angle; + int i; + + float q[4]; /* rotate ring so it's perpendicular to axis */ + const int upright = fabsf(rv3d->rot_axis[2]) >= 0.95f; + if (!upright) { + const float up[3] = {0.0f, 0.0f, 1.0f}; + float vis_angle, vis_axis[3]; + + cross_v3_v3v3(vis_axis, up, rv3d->rot_axis); + vis_angle = acosf(dot_v3v3(up, rv3d->rot_axis)); + axis_angle_to_quat(q, vis_axis, vis_angle); + } + + immBegin(GL_LINE_LOOP, ROT_AXIS_DETAIL); + color[3] = 63; /* somewhat faint */ + immAttrib4ubv(col, color); + for (i = 0, angle = 0.0f; i < ROT_AXIS_DETAIL; ++i, angle += step) { + float p[3] = {s * cosf(angle), s * sinf(angle), 0.0f}; + + if (!upright) { + mul_qt_v3(q, p); + } + + add_v3_v3(p, o); + immVertex3fv(pos, p); + } + immEnd(); + +#undef ROT_AXIS_DETAIL + } + + color[3] = 255; /* solid dot */ + } + else + color[3] = 127; /* see-through dot */ + + /* -- draw rotation center -- */ + immBegin(GL_POINTS, 1); + immAttrib4ubv(col, color); + immVertex3fv(pos, o); + immEnd(); + immUnbindProgram(); + +#if 0 + /* find screen coordinates for rotation center, then draw pretty icon */ + mul_m4_v3(rv3d->persinv, rot_center); + UI_icon_draw(rot_center[0], rot_center[1], ICON_NDOF_TURN); + /* ^^ just playing around, does not work */ +#endif + + glDisable(GL_BLEND); + glDisable(GL_POINT_SMOOTH); + glDepthMask(1); +} +#endif /* WITH_INPUT_NDOF */ + +static void draw_view_icon(RegionView3D *rv3d, rcti *rect) +{ + BIFIconID icon; + + if (ELEM(rv3d->view, RV3D_VIEW_TOP, RV3D_VIEW_BOTTOM)) + icon = ICON_AXIS_TOP; + else if (ELEM(rv3d->view, RV3D_VIEW_FRONT, RV3D_VIEW_BACK)) + icon = ICON_AXIS_FRONT; + else if (ELEM(rv3d->view, RV3D_VIEW_RIGHT, RV3D_VIEW_LEFT)) + icon = ICON_AXIS_SIDE; + else return; + + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + UI_icon_draw(5.0 + rect->xmin, 5.0 + rect->ymin, icon); + + glDisable(GL_BLEND); +} + +static const char *view3d_get_name(View3D *v3d, RegionView3D *rv3d) +{ + const char *name = NULL; + + switch (rv3d->view) { + case RV3D_VIEW_FRONT: + if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Front Ortho"); + else name = IFACE_("Front Persp"); + break; + case RV3D_VIEW_BACK: + if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Back Ortho"); + else name = IFACE_("Back Persp"); + break; + case RV3D_VIEW_TOP: + if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Top Ortho"); + else name = IFACE_("Top Persp"); + break; + case RV3D_VIEW_BOTTOM: + if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Bottom Ortho"); + else name = IFACE_("Bottom Persp"); + break; + case RV3D_VIEW_RIGHT: + if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Right Ortho"); + else name = IFACE_("Right Persp"); + break; + case RV3D_VIEW_LEFT: + if (rv3d->persp == RV3D_ORTHO) name = IFACE_("Left Ortho"); + else name = IFACE_("Left Persp"); + break; + + default: + if (rv3d->persp == RV3D_CAMOB) { + if ((v3d->camera) && (v3d->camera->type == OB_CAMERA)) { + Camera *cam; + cam = v3d->camera->data; + if (cam->type == CAM_PERSP) { + name = IFACE_("Camera Persp"); + } + else if (cam->type == CAM_ORTHO) { + name = IFACE_("Camera Ortho"); + } + else { + BLI_assert(cam->type == CAM_PANO); + name = IFACE_("Camera Pano"); + } + } + else { + name = IFACE_("Object as Camera"); + } + } + else { + name = (rv3d->persp == RV3D_ORTHO) ? IFACE_("User Ortho") : IFACE_("User Persp"); + } + break; + } + + return name; +} + +static void draw_viewport_name(ARegion *ar, View3D *v3d, rcti *rect) +{ + RegionView3D *rv3d = ar->regiondata; + const char *name = view3d_get_name(v3d, rv3d); + /* increase size for unicode languages (Chinese in utf-8...) */ +#ifdef WITH_INTERNATIONAL + char tmpstr[96]; +#else + char tmpstr[32]; +#endif + + if (v3d->localvd) { + BLI_snprintf(tmpstr, sizeof(tmpstr), IFACE_("%s (Local)"), name); + name = tmpstr; + } + + UI_ThemeColor(TH_TEXT_HI); +#ifdef WITH_INTERNATIONAL + BLF_draw_default(U.widget_unit + rect->xmin, rect->ymax - U.widget_unit, 0.0f, name, sizeof(tmpstr)); +#else + BLF_draw_default_ascii(U.widget_unit + rect->xmin, rect->ymax - U.widget_unit, 0.0f, name, sizeof(tmpstr)); +#endif +} + +/* draw info beside axes in bottom left-corner: + * framenum, object name, bone name (if available), marker name (if available) + */ + +static void draw_selected_name(Scene *scene, Object *ob, rcti *rect) +{ + const int cfra = CFRA; + const char *msg_pin = " (Pinned)"; + const char *msg_sep = " : "; + + char info[300]; + const char *markern; + char *s = info; + short offset = 1.5f * UI_UNIT_X + rect->xmin; + + s += sprintf(s, "(%d)", cfra); + + /* + * info can contain: + * - a frame (7 + 2) + * - 3 object names (MAX_NAME) + * - 2 BREAD_CRUMB_SEPARATORs (6) + * - a SHAPE_KEY_PINNED marker and a trailing '\0' (9+1) - translated, so give some room! + * - a marker name (MAX_NAME + 3) + */ + + /* get name of marker on current frame (if available) */ + markern = BKE_scene_find_marker_name(scene, cfra); + + /* check if there is an object */ + if (ob) { + *s++ = ' '; + s += BLI_strcpy_rlen(s, ob->id.name + 2); + + /* name(s) to display depends on type of object */ + if (ob->type == OB_ARMATURE) { + bArmature *arm = ob->data; + + /* show name of active bone too (if possible) */ + if (arm->edbo) { + if (arm->act_edbone) { + s += BLI_strcpy_rlen(s, msg_sep); + s += BLI_strcpy_rlen(s, arm->act_edbone->name); + } + } + else if (ob->mode & OB_MODE_POSE) { + if (arm->act_bone) { + + if (arm->act_bone->layer & arm->layer) { + s += BLI_strcpy_rlen(s, msg_sep); + s += BLI_strcpy_rlen(s, arm->act_bone->name); + } + } + } + } + else if (ELEM(ob->type, OB_MESH, OB_LATTICE, OB_CURVE)) { + Key *key = NULL; + KeyBlock *kb = NULL; + + /* try to display active bone and active shapekey too (if they exist) */ + + if (ob->type == OB_MESH && ob->mode & OB_MODE_WEIGHT_PAINT) { + Object *armobj = BKE_object_pose_armature_get(ob); + if (armobj && armobj->mode & OB_MODE_POSE) { + bArmature *arm = armobj->data; + if (arm->act_bone) { + if (arm->act_bone->layer & arm->layer) { + s += BLI_strcpy_rlen(s, msg_sep); + s += BLI_strcpy_rlen(s, arm->act_bone->name); + } + } + } + } + + key = BKE_key_from_object(ob); + if (key) { + kb = BLI_findlink(&key->block, ob->shapenr - 1); + if (kb) { + s += BLI_strcpy_rlen(s, msg_sep); + s += BLI_strcpy_rlen(s, kb->name); + if (ob->shapeflag & OB_SHAPE_LOCK) { + s += BLI_strcpy_rlen(s, IFACE_(msg_pin)); + } + } + } + } + + /* color depends on whether there is a keyframe */ + if (id_frame_has_keyframe((ID *)ob, /* BKE_scene_frame_get(scene) */ (float)cfra, ANIMFILTER_KEYS_LOCAL)) + UI_ThemeColor(TH_TIME_KEYFRAME); + else if (ED_gpencil_has_keyframe_v3d(scene, ob, cfra)) + UI_ThemeColor(TH_TIME_GP_KEYFRAME); + else + UI_ThemeColor(TH_TEXT_HI); + } + else { + /* no object */ + if (ED_gpencil_has_keyframe_v3d(scene, NULL, cfra)) + UI_ThemeColor(TH_TIME_GP_KEYFRAME); + else + UI_ThemeColor(TH_TEXT_HI); + } + + if (markern) { + s += sprintf(s, " <%s>", markern); + } + + if (U.uiflag & USER_SHOW_ROTVIEWICON) + offset = U.widget_unit + (U.rvisize * 2) + rect->xmin; + + BLF_draw_default(offset, 0.5f * U.widget_unit, 0.0f, info, sizeof(info)); +} + +static void view3d_camera_border( + const Scene *scene, const ARegion *ar, const View3D *v3d, const RegionView3D *rv3d, + rctf *r_viewborder, const bool no_shift, const bool no_zoom) +{ + CameraParams params; + rctf rect_view, rect_camera; + + /* get viewport viewplane */ + BKE_camera_params_init(¶ms); + BKE_camera_params_from_view3d(¶ms, v3d, rv3d); + if (no_zoom) + params.zoom = 1.0f; + BKE_camera_params_compute_viewplane(¶ms, ar->winx, ar->winy, 1.0f, 1.0f); + rect_view = params.viewplane; + + /* get camera viewplane */ + BKE_camera_params_init(¶ms); + /* fallback for non camera objects */ + params.clipsta = v3d->near; + params.clipend = v3d->far; + BKE_camera_params_from_object(¶ms, v3d->camera); + if (no_shift) { + params.shiftx = 0.0f; + params.shifty = 0.0f; + } + BKE_camera_params_compute_viewplane(¶ms, scene->r.xsch, scene->r.ysch, scene->r.xasp, scene->r.yasp); + rect_camera = params.viewplane; + + /* get camera border within viewport */ + r_viewborder->xmin = ((rect_camera.xmin - rect_view.xmin) / BLI_rctf_size_x(&rect_view)) * ar->winx; + r_viewborder->xmax = ((rect_camera.xmax - rect_view.xmin) / BLI_rctf_size_x(&rect_view)) * ar->winx; + r_viewborder->ymin = ((rect_camera.ymin - rect_view.ymin) / BLI_rctf_size_y(&rect_view)) * ar->winy; + r_viewborder->ymax = ((rect_camera.ymax - rect_view.ymin) / BLI_rctf_size_y(&rect_view)) * ar->winy; +} + +void ED_view3d_calc_camera_border_size( + const Scene *scene, const ARegion *ar, const View3D *v3d, const RegionView3D *rv3d, + float r_size[2]) +{ + rctf viewborder; + + view3d_camera_border(scene, ar, v3d, rv3d, &viewborder, true, true); + r_size[0] = BLI_rctf_size_x(&viewborder); + r_size[1] = BLI_rctf_size_y(&viewborder); +} + +void ED_view3d_calc_camera_border( + const Scene *scene, const ARegion *ar, const View3D *v3d, const RegionView3D *rv3d, + rctf *r_viewborder, const bool no_shift) +{ + view3d_camera_border(scene, ar, v3d, rv3d, r_viewborder, no_shift, false); +} + +static void drawviewborder_grid3(float x1, float x2, float y1, float y2, float fac) +{ + float x3, y3, x4, y4; + + x3 = x1 + fac * (x2 - x1); + y3 = y1 + fac * (y2 - y1); + x4 = x1 + (1.0f - fac) * (x2 - x1); + y4 = y1 + (1.0f - fac) * (y2 - y1); + + glBegin(GL_LINES); + glVertex2f(x1, y3); + glVertex2f(x2, y3); + + glVertex2f(x1, y4); + glVertex2f(x2, y4); + + glVertex2f(x3, y1); + glVertex2f(x3, y2); + + glVertex2f(x4, y1); + glVertex2f(x4, y2); + glEnd(); +} + +/* harmonious triangle */ +static void drawviewborder_triangle(float x1, float x2, float y1, float y2, const char golden, const char dir) +{ + float ofs; + float w = x2 - x1; + float h = y2 - y1; + + glBegin(GL_LINES); + if (w > h) { + if (golden) { + ofs = w * (1.0f - (1.0f / 1.61803399f)); + } + else { + ofs = h * (h / w); + } + if (dir == 'B') SWAP(float, y1, y2); + + glVertex2f(x1, y1); + glVertex2f(x2, y2); + + glVertex2f(x2, y1); + glVertex2f(x1 + (w - ofs), y2); + + glVertex2f(x1, y2); + glVertex2f(x1 + ofs, y1); + } + else { + if (golden) { + ofs = h * (1.0f - (1.0f / 1.61803399f)); + } + else { + ofs = w * (w / h); + } + if (dir == 'B') SWAP(float, x1, x2); + + glVertex2f(x1, y1); + glVertex2f(x2, y2); + + glVertex2f(x2, y1); + glVertex2f(x1, y1 + ofs); + + glVertex2f(x1, y2); + glVertex2f(x2, y1 + (h - ofs)); + } + glEnd(); +} + +static void drawviewborder(Scene *scene, ARegion *ar, View3D *v3d) +{ + float x1, x2, y1, y2; + float x1i, x2i, y1i, y2i; + + rctf viewborder; + Camera *ca = NULL; + RegionView3D *rv3d = ar->regiondata; + + if (v3d->camera == NULL) + return; + if (v3d->camera->type == OB_CAMERA) + ca = v3d->camera->data; + + ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &viewborder, false); + /* the offsets */ + x1 = viewborder.xmin; + y1 = viewborder.ymin; + x2 = viewborder.xmax; + y2 = viewborder.ymax; + + glLineWidth(1.0f); + + /* apply offsets so the real 3D camera shows through */ + + /* note: quite un-scientific but without this bit extra + * 0.0001 on the lower left the 2D border sometimes + * obscures the 3D camera border */ + /* note: with VIEW3D_CAMERA_BORDER_HACK defined this error isn't noticeable + * but keep it here in case we need to remove the workaround */ + x1i = (int)(x1 - 1.0001f); + y1i = (int)(y1 - 1.0001f); + x2i = (int)(x2 + (1.0f - 0.0001f)); + y2i = (int)(y2 + (1.0f - 0.0001f)); + + /* passepartout, specified in camera edit buttons */ + if (ca && (ca->flag & CAM_SHOWPASSEPARTOUT) && ca->passepartalpha > 0.000001f) { + const float winx = (ar->winx + 1); + const float winy = (ar->winy + 1); + + if (ca->passepartalpha == 1.0f) { + glColor3f(0, 0, 0); + } + else { + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_BLEND); + glColor4f(0, 0, 0, ca->passepartalpha); + } + + if (x1i > 0.0f) + glRectf(0.0, winy, x1i, 0.0); + if (x2i < winx) + glRectf(x2i, winy, winx, 0.0); + if (y2i < winy) + glRectf(x1i, winy, x2i, y2i); + if (y2i > 0.0f) + glRectf(x1i, y1i, x2i, 0.0); + + glDisable(GL_BLEND); + } + + setlinestyle(0); + + UI_ThemeColor(TH_BACK); + + fdrawbox(x1i, y1i, x2i, y2i); + +#ifdef VIEW3D_CAMERA_BORDER_HACK + if (view3d_camera_border_hack_test == true) { + glColor3ubv(view3d_camera_border_hack_col); + fdrawbox(x1i + 1, y1i + 1, x2i - 1, y2i - 1); + view3d_camera_border_hack_test = false; + } +#endif + + setlinestyle(3); + + /* outer line not to confuse with object selecton */ + if (v3d->flag2 & V3D_LOCK_CAMERA) { + UI_ThemeColor(TH_REDALERT); + fdrawbox(x1i - 1, y1i - 1, x2i + 1, y2i + 1); + } + + UI_ThemeColor(TH_VIEW_OVERLAY); + fdrawbox(x1i, y1i, x2i, y2i); + + /* border */ + if (scene->r.mode & R_BORDER) { + float x3, y3, x4, y4; + + x3 = floorf(x1 + (scene->r.border.xmin * (x2 - x1))) - 1; + y3 = floorf(y1 + (scene->r.border.ymin * (y2 - y1))) - 1; + x4 = floorf(x1 + (scene->r.border.xmax * (x2 - x1))) + (U.pixelsize - 1); + y4 = floorf(y1 + (scene->r.border.ymax * (y2 - y1))) + (U.pixelsize - 1); + + cpack(0x4040FF); + sdrawbox(x3, y3, x4, y4); + } + + /* safety border */ + if (ca) { + if (ca->dtx & CAM_DTX_CENTER) { + float x3, y3; + + UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); + + x3 = x1 + 0.5f * (x2 - x1); + y3 = y1 + 0.5f * (y2 - y1); + + glBegin(GL_LINES); + glVertex2f(x1, y3); + glVertex2f(x2, y3); + + glVertex2f(x3, y1); + glVertex2f(x3, y2); + glEnd(); + } + + if (ca->dtx & CAM_DTX_CENTER_DIAG) { + UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); + + glBegin(GL_LINES); + glVertex2f(x1, y1); + glVertex2f(x2, y2); + + glVertex2f(x1, y2); + glVertex2f(x2, y1); + glEnd(); + } + + if (ca->dtx & CAM_DTX_THIRDS) { + UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); + drawviewborder_grid3(x1, x2, y1, y2, 1.0f / 3.0f); + } + + if (ca->dtx & CAM_DTX_GOLDEN) { + UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); + drawviewborder_grid3(x1, x2, y1, y2, 1.0f - (1.0f / 1.61803399f)); + } + + if (ca->dtx & CAM_DTX_GOLDEN_TRI_A) { + UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); + drawviewborder_triangle(x1, x2, y1, y2, 0, 'A'); + } + + if (ca->dtx & CAM_DTX_GOLDEN_TRI_B) { + UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); + drawviewborder_triangle(x1, x2, y1, y2, 0, 'B'); + } + + if (ca->dtx & CAM_DTX_HARMONY_TRI_A) { + UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); + drawviewborder_triangle(x1, x2, y1, y2, 1, 'A'); + } + + if (ca->dtx & CAM_DTX_HARMONY_TRI_B) { + UI_ThemeColorBlendShade(TH_VIEW_OVERLAY, TH_BACK, 0.25, 0); + drawviewborder_triangle(x1, x2, y1, y2, 1, 'B'); + } + + if (ca->flag & CAM_SHOW_SAFE_MARGINS) { + UI_draw_safe_areas( + x1, x2, y1, y2, + scene->safe_areas.title, + scene->safe_areas.action); + + if (ca->flag & CAM_SHOW_SAFE_CENTER) { + UI_draw_safe_areas( + x1, x2, y1, y2, + scene->safe_areas.title_center, + scene->safe_areas.action_center); + } + } + + if (ca->flag & CAM_SHOWSENSOR) { + /* determine sensor fit, and get sensor x/y, for auto fit we + * assume and square sensor and only use sensor_x */ + float sizex = scene->r.xsch * scene->r.xasp; + float sizey = scene->r.ysch * scene->r.yasp; + int sensor_fit = BKE_camera_sensor_fit(ca->sensor_fit, sizex, sizey); + float sensor_x = ca->sensor_x; + float sensor_y = (ca->sensor_fit == CAMERA_SENSOR_FIT_AUTO) ? ca->sensor_x : ca->sensor_y; + + /* determine sensor plane */ + rctf rect; + + if (sensor_fit == CAMERA_SENSOR_FIT_HOR) { + float sensor_scale = (x2i - x1i) / sensor_x; + float sensor_height = sensor_scale * sensor_y; + + rect.xmin = x1i; + rect.xmax = x2i; + rect.ymin = (y1i + y2i) * 0.5f - sensor_height * 0.5f; + rect.ymax = rect.ymin + sensor_height; + } + else { + float sensor_scale = (y2i - y1i) / sensor_y; + float sensor_width = sensor_scale * sensor_x; + + rect.xmin = (x1i + x2i) * 0.5f - sensor_width * 0.5f; + rect.xmax = rect.xmin + sensor_width; + rect.ymin = y1i; + rect.ymax = y2i; + } + + /* draw */ + UI_ThemeColorShade(TH_VIEW_OVERLAY, 100); + UI_draw_roundbox_gl_mode(GL_LINE_LOOP, rect.xmin, rect.ymin, rect.xmax, rect.ymax, 2.0f); + } + } + + setlinestyle(0); + + /* camera name - draw in highlighted text color */ + if (ca && (ca->flag & CAM_SHOWNAME)) { + UI_ThemeColor(TH_TEXT_HI); + BLF_draw_default( + x1i, y1i - (0.7f * U.widget_unit), 0.0f, + v3d->camera->id.name + 2, sizeof(v3d->camera->id.name) - 2); + } +} + +/* *********************** backdraw for selection *************** */ + +static void backdrawview3d(Scene *scene, wmWindow *win, ARegion *ar, View3D *v3d) +{ + RegionView3D *rv3d = ar->regiondata; + struct Base *base = scene->basact; + int multisample_enabled; + + BLI_assert(ar->regiontype == RGN_TYPE_WINDOW); + + if (base && (base->object->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT) || + BKE_paint_select_face_test(base->object))) + { + /* do nothing */ + } + /* texture paint mode sampling */ + else if (base && (base->object->mode & OB_MODE_TEXTURE_PAINT) && + (v3d->drawtype > OB_WIRE)) + { + /* do nothing */ + } + else if (scene->obedit && + V3D_IS_ZBUF(v3d)) + { + /* do nothing */ + } + else { + v3d->flag &= ~V3D_INVALID_BACKBUF; + return; + } + + if (!(v3d->flag & V3D_INVALID_BACKBUF)) + return; + +#if 0 + if (test) { + if (qtest()) { + addafterqueue(ar->win, BACKBUFDRAW, 1); + return; + } + } +#endif + + if (v3d->drawtype > OB_WIRE) v3d->zbuf = true; + + /* dithering and AA break color coding, so disable */ + glDisable(GL_DITHER); + + multisample_enabled = glIsEnabled(GL_MULTISAMPLE); + if (multisample_enabled) + glDisable(GL_MULTISAMPLE); + + if (win->multisamples != USER_MULTISAMPLE_NONE) { + /* for multisample we use an offscreen FBO. multisample drawing can fail + * with color coded selection drawing, and reading back depths from such + * a buffer can also cause a few seconds freeze on OS X / NVidia. */ + int w = BLI_rcti_size_x(&ar->winrct); + int h = BLI_rcti_size_y(&ar->winrct); + char error[256]; + + if (rv3d->gpuoffscreen) { + if (GPU_offscreen_width(rv3d->gpuoffscreen) != w || + GPU_offscreen_height(rv3d->gpuoffscreen) != h) + { + GPU_offscreen_free(rv3d->gpuoffscreen); + rv3d->gpuoffscreen = NULL; + } + } + + if (!rv3d->gpuoffscreen) { + rv3d->gpuoffscreen = GPU_offscreen_create(w, h, 0, error); + + if (!rv3d->gpuoffscreen) + fprintf(stderr, "Failed to create offscreen selection buffer for multisample: %s\n", error); + } + } + + if (rv3d->gpuoffscreen) + GPU_offscreen_bind(rv3d->gpuoffscreen, true); + else + glScissor(ar->winrct.xmin, ar->winrct.ymin, BLI_rcti_size_x(&ar->winrct), BLI_rcti_size_y(&ar->winrct)); + + glClearColor(0.0, 0.0, 0.0, 0.0); + if (v3d->zbuf) { + glEnable(GL_DEPTH_TEST); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + } + else { + glClear(GL_COLOR_BUFFER_BIT); + glDisable(GL_DEPTH_TEST); + } + + if (rv3d->rflag & RV3D_CLIPPING) + ED_view3d_clipping_set(rv3d); + + G.f |= G_BACKBUFSEL; + + if (base && (base->lay & v3d->lay)) + draw_object_backbufsel(scene, v3d, rv3d, base->object); + + if (rv3d->gpuoffscreen) + GPU_offscreen_unbind(rv3d->gpuoffscreen, true); + else + ar->swap = 0; /* mark invalid backbuf for wm draw */ + + v3d->flag &= ~V3D_INVALID_BACKBUF; + + G.f &= ~G_BACKBUFSEL; + v3d->zbuf = false; + glDisable(GL_DEPTH_TEST); + glEnable(GL_DITHER); + if (multisample_enabled) + glEnable(GL_MULTISAMPLE); + + if (rv3d->rflag & RV3D_CLIPPING) + ED_view3d_clipping_disable(); +} + +void view3d_opengl_read_pixels(ARegion *ar, int x, int y, int w, int h, int format, int type, void *data) +{ + RegionView3D *rv3d = ar->regiondata; + + if (rv3d->gpuoffscreen) { + GPU_offscreen_bind(rv3d->gpuoffscreen, true); + glReadBuffer(GL_COLOR_ATTACHMENT0); + glReadPixels(x, y, w, h, format, type, data); + GPU_offscreen_unbind(rv3d->gpuoffscreen, true); + } + else { + glReadPixels(ar->winrct.xmin + x, ar->winrct.ymin + y, w, h, format, type, data); + } +} + +/* XXX depth reading exception, for code not using gpu offscreen */ +static void view3d_opengl_read_Z_pixels(ARegion *ar, int x, int y, int w, int h, int format, int type, void *data) +{ + + glReadPixels(ar->winrct.xmin + x, ar->winrct.ymin + y, w, h, format, type, data); +} + +void ED_view3d_backbuf_validate(ViewContext *vc) +{ + if (vc->v3d->flag & V3D_INVALID_BACKBUF) + backdrawview3d(vc->scene, vc->win, vc->ar, vc->v3d); +} + +/** + * allow for small values [0.5 - 2.5], + * and large values, FLT_MAX by clamping by the area size + */ +int ED_view3d_backbuf_sample_size_clamp(ARegion *ar, const float dist) +{ + return (int)min_ff(ceilf(dist), (float)max_ii(ar->winx, ar->winx)); +} + +/* samples a single pixel (copied from vpaint) */ +unsigned int ED_view3d_backbuf_sample(ViewContext *vc, int x, int y) +{ + unsigned int col; + + if (x >= vc->ar->winx || y >= vc->ar->winy) { + return 0; + } + + ED_view3d_backbuf_validate(vc); + + view3d_opengl_read_pixels(vc->ar, x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &col); + glReadBuffer(GL_BACK); + + if (ENDIAN_ORDER == B_ENDIAN) { + BLI_endian_switch_uint32(&col); + } + + return GPU_select_to_index(col); +} + +/* reads full rect, converts indices */ +ImBuf *ED_view3d_backbuf_read(ViewContext *vc, int xmin, int ymin, int xmax, int ymax) +{ + struct ImBuf *ibuf_clip; + /* clip */ + const rcti clip = { + max_ii(xmin, 0), min_ii(xmax, vc->ar->winx - 1), + max_ii(ymin, 0), min_ii(ymax, vc->ar->winy - 1)}; + const int size_clip[2] = { + BLI_rcti_size_x(&clip) + 1, + BLI_rcti_size_y(&clip) + 1}; + + if (UNLIKELY((clip.xmin > clip.xmax) || + (clip.ymin > clip.ymax))) + { + return NULL; + } + + ibuf_clip = IMB_allocImBuf(size_clip[0], size_clip[1], 32, IB_rect); + + ED_view3d_backbuf_validate(vc); + + view3d_opengl_read_pixels(vc->ar, clip.xmin, clip.ymin, size_clip[0], size_clip[1], GL_RGBA, GL_UNSIGNED_BYTE, ibuf_clip->rect); + + glReadBuffer(GL_BACK); + + if (ENDIAN_ORDER == B_ENDIAN) { + IMB_convert_rgba_to_abgr(ibuf_clip); + } + + GPU_select_to_index_array(ibuf_clip->rect, size_clip[0] * size_clip[1]); + + if ((clip.xmin == xmin) && + (clip.xmax == xmax) && + (clip.ymin == ymin) && + (clip.ymax == ymax)) + { + return ibuf_clip; + } + else { + /* put clipped result into a non-clipped buffer */ + struct ImBuf *ibuf_full; + const int size[2] = { + (xmax - xmin + 1), + (ymax - ymin + 1)}; + + ibuf_full = IMB_allocImBuf(size[0], size[1], 32, IB_rect); + + IMB_rectcpy( + ibuf_full, ibuf_clip, + clip.xmin - xmin, clip.ymin - ymin, + 0, 0, + size_clip[0], size_clip[1]); + IMB_freeImBuf(ibuf_clip); + return ibuf_full; + } +} + +/* smart function to sample a rect spiralling outside, nice for backbuf selection */ +unsigned int ED_view3d_backbuf_sample_rect( + ViewContext *vc, const int mval[2], int size, + unsigned int min, unsigned int max, float *r_dist) +{ + struct ImBuf *buf; + const unsigned int *bufmin, *bufmax, *tbuf; + int minx, miny; + int a, b, rc, nr, amount, dirvec[4][2]; + unsigned int index = 0; + + amount = (size - 1) / 2; + + minx = mval[0] - (amount + 1); + miny = mval[1] - (amount + 1); + buf = ED_view3d_backbuf_read(vc, minx, miny, minx + size - 1, miny + size - 1); + if (!buf) return 0; + + rc = 0; + + dirvec[0][0] = 1; dirvec[0][1] = 0; + dirvec[1][0] = 0; dirvec[1][1] = -size; + dirvec[2][0] = -1; dirvec[2][1] = 0; + dirvec[3][0] = 0; dirvec[3][1] = size; + + bufmin = buf->rect; + tbuf = buf->rect; + bufmax = buf->rect + size * size; + tbuf += amount * size + amount; + + for (nr = 1; nr <= size; nr++) { + + for (a = 0; a < 2; a++) { + for (b = 0; b < nr; b++) { + if (*tbuf && *tbuf >= min && *tbuf < max) { + /* we got a hit */ + + /* get x,y pixel coords from the offset + * (manhatten distance in keeping with other screen-based selection) */ + *r_dist = (float)( + abs(((int)(tbuf - buf->rect) % size) - (size / 2)) + + abs(((int)(tbuf - buf->rect) / size) - (size / 2))); + + /* indices start at 1 here */ + index = (*tbuf - min) + 1; + goto exit; + } + + tbuf += (dirvec[rc][0] + dirvec[rc][1]); + + if (tbuf < bufmin || tbuf >= bufmax) { + goto exit; + } + } + rc++; + rc &= 3; + } + } + +exit: + IMB_freeImBuf(buf); + return index; +} + + +/* ************************************************************* */ + +static void view3d_stereo_bgpic_setup(Scene *scene, View3D *v3d, Image *ima, ImageUser *iuser) +{ + if (BKE_image_is_stereo(ima)) { + iuser->flag |= IMA_SHOW_STEREO; + + if ((scene->r.scemode & R_MULTIVIEW) == 0) { + iuser->multiview_eye = STEREO_LEFT_ID; + } + else if (v3d->stereo3d_camera != STEREO_3D_ID) { + /* show only left or right camera */ + iuser->multiview_eye = v3d->stereo3d_camera; + } + + BKE_image_multiview_index(ima, iuser); + } + else { + iuser->flag &= ~IMA_SHOW_STEREO; + } +} + +static void view3d_draw_bgpic(Scene *scene, ARegion *ar, View3D *v3d, + const bool do_foreground, const bool do_camera_frame) +{ + RegionView3D *rv3d = ar->regiondata; + BGpic *bgpic; + int fg_flag = do_foreground ? V3D_BGPIC_FOREGROUND : 0; + + for (bgpic = v3d->bgpicbase.first; bgpic; bgpic = bgpic->next) { + bgpic->iuser.scene = scene; /* Needed for render results. */ + + if ((bgpic->flag & V3D_BGPIC_FOREGROUND) != fg_flag) + continue; + + if ((bgpic->view == 0) || /* zero for any */ + (bgpic->view & (1 << rv3d->view)) || /* check agaist flags */ + (rv3d->persp == RV3D_CAMOB && bgpic->view == (1 << RV3D_VIEW_CAMERA))) + { + float image_aspect[2]; + float fac, asp, zoomx, zoomy; + float x1, y1, x2, y2, centx, centy; + + ImBuf *ibuf = NULL, *freeibuf, *releaseibuf; + void *lock; + rctf clip_rect; + + Image *ima = NULL; + MovieClip *clip = NULL; + + /* disable individual images */ + if ((bgpic->flag & V3D_BGPIC_DISABLED)) + continue; + + freeibuf = NULL; + releaseibuf = NULL; + if (bgpic->source == V3D_BGPIC_IMAGE) { + ima = bgpic->ima; + if (ima == NULL) + continue; + BKE_image_user_frame_calc(&bgpic->iuser, CFRA, 0); + if (ima->source == IMA_SRC_SEQUENCE && !(bgpic->iuser.flag & IMA_USER_FRAME_IN_RANGE)) { + ibuf = NULL; /* frame is out of range, dont show */ + } + else { + view3d_stereo_bgpic_setup(scene, v3d, ima, &bgpic->iuser); + ibuf = BKE_image_acquire_ibuf(ima, &bgpic->iuser, &lock); + releaseibuf = ibuf; + } + + image_aspect[0] = ima->aspx; + image_aspect[1] = ima->aspy; + } + else if (bgpic->source == V3D_BGPIC_MOVIE) { + /* TODO: skip drawing when out of frame range (as image sequences do above) */ + + if (bgpic->flag & V3D_BGPIC_CAMERACLIP) { + if (scene->camera) + clip = BKE_object_movieclip_get(scene, scene->camera, true); + } + else { + clip = bgpic->clip; + } + + if (clip == NULL) + continue; + + BKE_movieclip_user_set_frame(&bgpic->cuser, CFRA); + ibuf = BKE_movieclip_get_ibuf(clip, &bgpic->cuser); + + image_aspect[0] = clip->aspx; + image_aspect[1] = clip->aspy; + + /* working with ibuf from image and clip has got different workflow now. + * ibuf acquired from clip is referenced by cache system and should + * be dereferenced after usage. */ + freeibuf = ibuf; + } + else { + /* perhaps when loading future files... */ + BLI_assert(0); + copy_v2_fl(image_aspect, 1.0f); + } + + if (ibuf == NULL) + continue; + + if ((ibuf->rect == NULL && ibuf->rect_float == NULL) || ibuf->channels != 4) { /* invalid image format */ + if (freeibuf) + IMB_freeImBuf(freeibuf); + if (releaseibuf) + BKE_image_release_ibuf(ima, releaseibuf, lock); + + continue; + } + + if (ibuf->rect == NULL) + IMB_rect_from_float(ibuf); + + if (rv3d->persp == RV3D_CAMOB) { + + if (do_camera_frame) { + rctf vb; + ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &vb, false); + x1 = vb.xmin; + y1 = vb.ymin; + x2 = vb.xmax; + y2 = vb.ymax; + } + else { + x1 = ar->winrct.xmin; + y1 = ar->winrct.ymin; + x2 = ar->winrct.xmax; + y2 = ar->winrct.ymax; + } + + /* apply offset last - camera offset is different to offset in blender units */ + /* so this has some sane way of working - this matches camera's shift _exactly_ */ + { + const float max_dim = max_ff(x2 - x1, y2 - y1); + const float xof_scale = bgpic->xof * max_dim; + const float yof_scale = bgpic->yof * max_dim; + + x1 += xof_scale; + y1 += yof_scale; + x2 += xof_scale; + y2 += yof_scale; + } + + centx = (x1 + x2) / 2.0f; + centy = (y1 + y2) / 2.0f; + + /* aspect correction */ + if (bgpic->flag & V3D_BGPIC_CAMERA_ASPECT) { + /* apply aspect from clip */ + const float w_src = ibuf->x * image_aspect[0]; + const float h_src = ibuf->y * image_aspect[1]; + + /* destination aspect is already applied from the camera frame */ + const float w_dst = x1 - x2; + const float h_dst = y1 - y2; + + const float asp_src = w_src / h_src; + const float asp_dst = w_dst / h_dst; + + if (fabsf(asp_src - asp_dst) >= FLT_EPSILON) { + if ((asp_src > asp_dst) == ((bgpic->flag & V3D_BGPIC_CAMERA_CROP) != 0)) { + /* fit X */ + const float div = asp_src / asp_dst; + x1 = ((x1 - centx) * div) + centx; + x2 = ((x2 - centx) * div) + centx; + } + else { + /* fit Y */ + const float div = asp_dst / asp_src; + y1 = ((y1 - centy) * div) + centy; + y2 = ((y2 - centy) * div) + centy; + } + } + } + } + else { + float tvec[3]; + float sco[2]; + const float mval_f[2] = {1.0f, 0.0f}; + const float co_zero[3] = {0}; + float zfac; + + /* calc window coord */ + zfac = ED_view3d_calc_zfac(rv3d, co_zero, NULL); + ED_view3d_win_to_delta(ar, mval_f, tvec, zfac); + fac = max_ff(fabsf(tvec[0]), max_ff(fabsf(tvec[1]), fabsf(tvec[2]))); /* largest abs axis */ + fac = 1.0f / fac; + + asp = (float)ibuf->y / (float)ibuf->x; + + zero_v3(tvec); + ED_view3d_project_float_v2_m4(ar, tvec, sco, rv3d->persmat); + + x1 = sco[0] + fac * (bgpic->xof - bgpic->size); + y1 = sco[1] + asp * fac * (bgpic->yof - bgpic->size); + x2 = sco[0] + fac * (bgpic->xof + bgpic->size); + y2 = sco[1] + asp * fac * (bgpic->yof + bgpic->size); + + centx = (x1 + x2) / 2.0f; + centy = (y1 + y2) / 2.0f; + } + + /* complete clip? */ + BLI_rctf_init(&clip_rect, x1, x2, y1, y2); + if (bgpic->rotation) { + BLI_rctf_rotate_expand(&clip_rect, &clip_rect, bgpic->rotation); + } + + if (clip_rect.xmax < 0 || clip_rect.ymax < 0 || clip_rect.xmin > ar->winx || clip_rect.ymin > ar->winy) { + if (freeibuf) + IMB_freeImBuf(freeibuf); + if (releaseibuf) + BKE_image_release_ibuf(ima, releaseibuf, lock); + + continue; + } + + zoomx = (x2 - x1) / ibuf->x; + zoomy = (y2 - y1) / ibuf->y; + + /* for some reason; zoomlevels down refuses to use GL_ALPHA_SCALE */ + if (zoomx < 1.0f || zoomy < 1.0f) { + float tzoom = min_ff(zoomx, zoomy); + int mip = 0; + + if ((ibuf->userflags & IB_MIPMAP_INVALID) != 0) { + IMB_remakemipmap(ibuf, 0); + ibuf->userflags &= ~IB_MIPMAP_INVALID; + } + else if (ibuf->mipmap[0] == NULL) + IMB_makemipmap(ibuf, 0); + + while (tzoom < 1.0f && mip < 8 && ibuf->mipmap[mip]) { + tzoom *= 2.0f; + zoomx *= 2.0f; + zoomy *= 2.0f; + mip++; + } + if (mip > 0) + ibuf = ibuf->mipmap[mip - 1]; + } + + if (v3d->zbuf) glDisable(GL_DEPTH_TEST); + glDepthMask(0); + + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + glMatrixMode(GL_PROJECTION); + glPushMatrix(); + glMatrixMode(GL_MODELVIEW); + glPushMatrix(); + ED_region_pixelspace(ar); + + glTranslatef(centx, centy, 0.0); + glRotatef(RAD2DEGF(-bgpic->rotation), 0.0f, 0.0f, 1.0f); + + if (bgpic->flag & V3D_BGPIC_FLIP_X) { + zoomx *= -1.0f; + x1 = x2; + } + if (bgpic->flag & V3D_BGPIC_FLIP_Y) { + zoomy *= -1.0f; + y1 = y2; + } + glPixelZoom(zoomx, zoomy); + glColor4f(1.0f, 1.0f, 1.0f, 1.0f - bgpic->blend); + + /* could not use glaDrawPixelsAuto because it could fallback to + * glaDrawPixelsSafe in some cases, which will end up in missing + * alpha transparency for the background image (sergey) + */ + glaDrawPixelsTex(x1 - centx, y1 - centy, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, GL_LINEAR, ibuf->rect); + + glPixelZoom(1.0, 1.0); + glPixelTransferf(GL_ALPHA_SCALE, 1.0f); + + glMatrixMode(GL_PROJECTION); + glPopMatrix(); + glMatrixMode(GL_MODELVIEW); + glPopMatrix(); + + glDisable(GL_BLEND); + + glDepthMask(1); + if (v3d->zbuf) glEnable(GL_DEPTH_TEST); + + if (freeibuf) + IMB_freeImBuf(freeibuf); + if (releaseibuf) + BKE_image_release_ibuf(ima, releaseibuf, lock); + } + } +} + +static void view3d_draw_bgpic_test(Scene *scene, ARegion *ar, View3D *v3d, + const bool do_foreground, const bool do_camera_frame) +{ + RegionView3D *rv3d = ar->regiondata; + + if ((v3d->flag & V3D_DISPBGPICS) == 0) + return; + + /* disabled - mango request, since footage /w only render is quite useful + * and this option is easy to disable all background images at once */ +#if 0 + if (v3d->flag2 & V3D_RENDER_OVERRIDE) + return; +#endif + + if ((rv3d->view == RV3D_VIEW_USER) || (rv3d->persp != RV3D_ORTHO)) { + if (rv3d->persp == RV3D_CAMOB) { + view3d_draw_bgpic(scene, ar, v3d, do_foreground, do_camera_frame); + } + } + else { + view3d_draw_bgpic(scene, ar, v3d, do_foreground, do_camera_frame); + } +} + +/* ****************** View3d afterdraw *************** */ + +typedef struct View3DAfter { + struct View3DAfter *next, *prev; + struct Base *base; + short dflag; +} View3DAfter; + +/* temp storage of Objects that need to be drawn as last */ +void ED_view3d_after_add(ListBase *lb, Base *base, const short dflag) +{ + View3DAfter *v3da = MEM_callocN(sizeof(View3DAfter), "View 3d after"); + BLI_assert((base->flag & OB_FROMDUPLI) == 0); + BLI_addtail(lb, v3da); + v3da->base = base; + v3da->dflag = dflag; +} + +/* disables write in zbuffer and draws it over */ +static void view3d_draw_transp(Scene *scene, ARegion *ar, View3D *v3d) +{ + View3DAfter *v3da; + + glDepthMask(GL_FALSE); + v3d->transp = true; + + while ((v3da = BLI_pophead(&v3d->afterdraw_transp))) { + draw_object(scene, ar, v3d, v3da->base, v3da->dflag); + MEM_freeN(v3da); + } + v3d->transp = false; + + glDepthMask(GL_TRUE); + +} + +/* clears zbuffer and draws it over */ +static void view3d_draw_xray(Scene *scene, ARegion *ar, View3D *v3d, bool *clear) +{ + View3DAfter *v3da; + + if (*clear && v3d->zbuf) { + glClear(GL_DEPTH_BUFFER_BIT); + *clear = false; + } + + v3d->xray = true; + while ((v3da = BLI_pophead(&v3d->afterdraw_xray))) { + draw_object(scene, ar, v3d, v3da->base, v3da->dflag); + MEM_freeN(v3da); + } + v3d->xray = false; +} + + +/* clears zbuffer and draws it over */ +static void view3d_draw_xraytransp(Scene *scene, ARegion *ar, View3D *v3d, const bool clear) +{ + View3DAfter *v3da; + + if (clear && v3d->zbuf) + glClear(GL_DEPTH_BUFFER_BIT); + + v3d->xray = true; + v3d->transp = true; + + glDepthMask(GL_FALSE); + + while ((v3da = BLI_pophead(&v3d->afterdraw_xraytransp))) { + draw_object(scene, ar, v3d, v3da->base, v3da->dflag); + MEM_freeN(v3da); + } + + v3d->transp = false; + v3d->xray = false; + + glDepthMask(GL_TRUE); +} + +/* *********************** */ + +/* + * In most cases call draw_dupli_objects, + * draw_dupli_objects_color was added because when drawing set dupli's + * we need to force the color + */ + +#if 0 +int dupli_ob_sort(void *arg1, void *arg2) +{ + void *p1 = ((DupliObject *)arg1)->ob; + void *p2 = ((DupliObject *)arg2)->ob; + int val = 0; + if (p1 < p2) val = -1; + else if (p1 > p2) val = 1; + return val; +} +#endif + + +static DupliObject *dupli_step(DupliObject *dob) +{ + while (dob && dob->no_draw) + dob = dob->next; + return dob; +} + +static void draw_dupli_objects_color( + Scene *scene, ARegion *ar, View3D *v3d, Base *base, + const short dflag, const int color) +{ + RegionView3D *rv3d = ar->regiondata; + ListBase *lb; + LodLevel *savedlod; + DupliObject *dob_prev = NULL, *dob, *dob_next = NULL; + Base tbase = {NULL}; + BoundBox bb, *bb_tmp; /* use a copy because draw_object, calls clear_mesh_caches */ + GLuint displist = 0; + unsigned char color_rgb[3]; + const short dflag_dupli = dflag | DRAW_CONSTCOLOR; + short transflag; + bool use_displist = false; /* -1 is initialize */ + char dt; + short dtx; + DupliApplyData *apply_data; + + if (base->object->restrictflag & OB_RESTRICT_VIEW) return; + if ((base->object->restrictflag & OB_RESTRICT_RENDER) && (v3d->flag2 & V3D_RENDER_OVERRIDE)) return; + + if (dflag & DRAW_CONSTCOLOR) { + BLI_assert(color == TH_UNDEFINED); + } + else { + UI_GetThemeColorBlend3ubv(color, TH_BACK, 0.5f, color_rgb); + } + + tbase.flag = OB_FROMDUPLI | base->flag; + lb = object_duplilist(G.main->eval_ctx, scene, base->object); + // BLI_listbase_sort(lb, dupli_ob_sort); /* might be nice to have if we have a dupli list with mixed objects. */ + + apply_data = duplilist_apply(base->object, scene, lb); + + dob = dupli_step(lb->first); + if (dob) dob_next = dupli_step(dob->next); + + for (; dob; dob_prev = dob, dob = dob_next, dob_next = dob_next ? dupli_step(dob_next->next) : NULL) { + bool testbb = false; + + tbase.object = dob->ob; + + /* Make sure lod is updated from dupli's position */ + savedlod = dob->ob->currentlod; + +#ifdef WITH_GAMEENGINE + if (rv3d->rflag & RV3D_IS_GAME_ENGINE) { + BKE_object_lod_update(dob->ob, rv3d->viewinv[3]); + } +#endif + + /* extra service: draw the duplicator in drawtype of parent, minimum taken + * to allow e.g. boundbox box objects in groups for LOD */ + dt = tbase.object->dt; + tbase.object->dt = MIN2(tbase.object->dt, base->object->dt); + + /* inherit draw extra, but not if a boundbox under the assumption that this + * is intended to speed up drawing, and drawing extra (especially wire) can + * slow it down too much */ + dtx = tbase.object->dtx; + if (tbase.object->dt != OB_BOUNDBOX) + tbase.object->dtx = base->object->dtx; + + /* negative scale flag has to propagate */ + transflag = tbase.object->transflag; + + if (is_negative_m4(dob->mat)) + tbase.object->transflag |= OB_NEG_SCALE; + else + tbase.object->transflag &= ~OB_NEG_SCALE; + + /* should move outside the loop but possible color is set in draw_object still */ + if ((dflag & DRAW_CONSTCOLOR) == 0) { + glColor3ubv(color_rgb); + } + + /* generate displist, test for new object */ + if (dob_prev && dob_prev->ob != dob->ob) { + if (use_displist == true) + glDeleteLists(displist, 1); + + use_displist = false; + } + + if ((bb_tmp = BKE_object_boundbox_get(dob->ob))) { + bb = *bb_tmp; /* must make a copy */ + testbb = true; + } + + if (!testbb || ED_view3d_boundbox_clip_ex(rv3d, &bb, dob->mat)) { + /* generate displist */ + if (use_displist == false) { + + /* note, since this was added, its checked (dob->type == OB_DUPLIGROUP) + * however this is very slow, it was probably needed for the NLA + * offset feature (used in group-duplicate.blend but no longer works in 2.5) + * so for now it should be ok to - campbell */ + + if ( /* if this is the last no need to make a displist */ + (dob_next == NULL || dob_next->ob != dob->ob) || + /* lamp drawing messes with matrices, could be handled smarter... but this works */ + (dob->ob->type == OB_LAMP) || + (dob->type == OB_DUPLIGROUP && dob->animated) || + !bb_tmp || + draw_glsl_material(scene, dob->ob, v3d, dt) || + check_object_draw_texture(scene, v3d, dt) || + (v3d->flag2 & V3D_SOLID_MATCAP) != 0) + { + // printf("draw_dupli_objects_color: skipping displist for %s\n", dob->ob->id.name + 2); + use_displist = false; + } + else { + // printf("draw_dupli_objects_color: using displist for %s\n", dob->ob->id.name + 2); + + /* disable boundbox check for list creation */ + BKE_object_boundbox_flag(dob->ob, BOUNDBOX_DISABLED, 1); + /* need this for next part of code */ + unit_m4(dob->ob->obmat); /* obmat gets restored */ + + displist = glGenLists(1); + glNewList(displist, GL_COMPILE); + draw_object(scene, ar, v3d, &tbase, dflag_dupli); + glEndList(); + + use_displist = true; + BKE_object_boundbox_flag(dob->ob, BOUNDBOX_DISABLED, 0); + } + } + + if (use_displist) { + glPushMatrix(); + glMultMatrixf(dob->mat); + glCallList(displist); + glPopMatrix(); + } + else { + copy_m4_m4(dob->ob->obmat, dob->mat); + GPU_begin_dupli_object(dob); + draw_object(scene, ar, v3d, &tbase, dflag_dupli); + GPU_end_dupli_object(); + } + } + + tbase.object->dt = dt; + tbase.object->dtx = dtx; + tbase.object->transflag = transflag; + tbase.object->currentlod = savedlod; + } + + if (apply_data) { + duplilist_restore(lb, apply_data); + duplilist_free_apply_data(apply_data); + } + + free_object_duplilist(lb); + + if (use_displist) + glDeleteLists(displist, 1); +} + +static void draw_dupli_objects(Scene *scene, ARegion *ar, View3D *v3d, Base *base) +{ + /* define the color here so draw_dupli_objects_color can be called + * from the set loop */ + + int color = (base->flag & SELECT) ? TH_SELECT : TH_WIRE; + /* debug */ + if (base->object->dup_group && base->object->dup_group->id.us < 1) + color = TH_REDALERT; + + draw_dupli_objects_color(scene, ar, v3d, base, 0, color); +} + +/* XXX warning, not using gpu offscreen here */ +void view3d_update_depths_rect(ARegion *ar, ViewDepths *d, rcti *rect) +{ + int x, y, w, h; + rcti r; + /* clamp rect by region */ + + r.xmin = 0; + r.xmax = ar->winx - 1; + r.ymin = 0; + r.ymax = ar->winy - 1; + + /* Constrain rect to depth bounds */ + BLI_rcti_isect(&r, rect, rect); + + /* assign values to compare with the ViewDepths */ + x = rect->xmin; + y = rect->ymin; + + w = BLI_rcti_size_x(rect); + h = BLI_rcti_size_y(rect); + + if (w <= 0 || h <= 0) { + if (d->depths) + MEM_freeN(d->depths); + d->depths = NULL; + + d->damaged = false; + } + else if (d->w != w || + d->h != h || + d->x != x || + d->y != y || + d->depths == NULL + ) + { + d->x = x; + d->y = y; + d->w = w; + d->h = h; + + if (d->depths) + MEM_freeN(d->depths); + + d->depths = MEM_mallocN(sizeof(float) * d->w * d->h, "View depths Subset"); + + d->damaged = true; + } + + if (d->damaged) { + /* XXX using special function here, it doesn't use the gpu offscreen system */ + view3d_opengl_read_Z_pixels(ar, d->x, d->y, d->w, d->h, GL_DEPTH_COMPONENT, GL_FLOAT, d->depths); + glGetDoublev(GL_DEPTH_RANGE, d->depth_range); + d->damaged = false; + } +} + +/* note, with nouveau drivers the glReadPixels() is very slow. [#24339] */ +void ED_view3d_depth_update(ARegion *ar) +{ + RegionView3D *rv3d = ar->regiondata; + + /* Create storage for, and, if necessary, copy depth buffer */ + if (!rv3d->depths) rv3d->depths = MEM_callocN(sizeof(ViewDepths), "ViewDepths"); + if (rv3d->depths) { + ViewDepths *d = rv3d->depths; + if (d->w != ar->winx || + d->h != ar->winy || + !d->depths) + { + d->w = ar->winx; + d->h = ar->winy; + if (d->depths) + MEM_freeN(d->depths); + d->depths = MEM_mallocN(sizeof(float) * d->w * d->h, "View depths"); + d->damaged = true; + } + + if (d->damaged) { + view3d_opengl_read_pixels(ar, 0, 0, d->w, d->h, GL_DEPTH_COMPONENT, GL_FLOAT, d->depths); + glGetDoublev(GL_DEPTH_RANGE, d->depth_range); + + d->damaged = false; + } + } +} + +/* utility function to find the closest Z value, use for autodepth */ +float view3d_depth_near(ViewDepths *d) +{ + /* convert to float for comparisons */ + const float near = (float)d->depth_range[0]; + const float far_real = (float)d->depth_range[1]; + float far = far_real; + + const float *depths = d->depths; + float depth = FLT_MAX; + int i = (int)d->w * (int)d->h; /* cast to avoid short overflow */ + + /* far is both the starting 'far' value + * and the closest value found. */ + while (i--) { + depth = *depths++; + if ((depth < far) && (depth > near)) { + far = depth; + } + } + + return far == far_real ? FLT_MAX : far; +} + +void ED_view3d_draw_depth_gpencil(Scene *scene, ARegion *ar, View3D *v3d) +{ + short zbuf = v3d->zbuf; + RegionView3D *rv3d = ar->regiondata; + + view3d_winmatrix_set(ar, v3d, NULL); + view3d_viewmatrix_set(scene, v3d, rv3d); /* note: calls BKE_object_where_is_calc for camera... */ + + mul_m4_m4m4(rv3d->persmat, rv3d->winmat, rv3d->viewmat); + invert_m4_m4(rv3d->persinv, rv3d->persmat); + invert_m4_m4(rv3d->viewinv, rv3d->viewmat); + + glClear(GL_DEPTH_BUFFER_BIT); + + glLoadMatrixf(rv3d->viewmat); + + v3d->zbuf = true; + glEnable(GL_DEPTH_TEST); + + if (v3d->flag2 & V3D_SHOW_GPENCIL) { + ED_gpencil_draw_view3d(NULL, scene, v3d, ar, true); + } + + v3d->zbuf = zbuf; + +} + +void ED_view3d_draw_depth(Scene *scene, ARegion *ar, View3D *v3d, bool alphaoverride) +{ + RegionView3D *rv3d = ar->regiondata; + Base *base; + short zbuf = v3d->zbuf; + short flag = v3d->flag; + float glalphaclip = U.glalphaclip; + int obcenter_dia = U.obcenter_dia; + /* no need for color when drawing depth buffer */ + const short dflag_depth = DRAW_CONSTCOLOR; + /* temp set drawtype to solid */ + + /* Setting these temporarily is not nice */ + v3d->flag &= ~V3D_SELECT_OUTLINE; + U.glalphaclip = alphaoverride ? 0.5f : glalphaclip; /* not that nice but means we wont zoom into billboards */ + U.obcenter_dia = 0; + + view3d_winmatrix_set(ar, v3d, NULL); + view3d_viewmatrix_set(scene, v3d, rv3d); /* note: calls BKE_object_where_is_calc for camera... */ + + mul_m4_m4m4(rv3d->persmat, rv3d->winmat, rv3d->viewmat); + invert_m4_m4(rv3d->persinv, rv3d->persmat); + invert_m4_m4(rv3d->viewinv, rv3d->viewmat); + + glClear(GL_DEPTH_BUFFER_BIT); + + glLoadMatrixf(rv3d->viewmat); + + if (rv3d->rflag & RV3D_CLIPPING) { + ED_view3d_clipping_set(rv3d); + } + /* get surface depth without bias */ + rv3d->rflag |= RV3D_ZOFFSET_DISABLED; + + v3d->zbuf = true; + glEnable(GL_DEPTH_TEST); + + /* draw set first */ + if (scene->set) { + Scene *sce_iter; + for (SETLOOPER(scene->set, sce_iter, base)) { + if (v3d->lay & base->lay) { + draw_object(scene, ar, v3d, base, 0); + if (base->object->transflag & OB_DUPLI) { + draw_dupli_objects_color(scene, ar, v3d, base, dflag_depth, TH_UNDEFINED); + } + } + } + } + + for (base = scene->base.first; base; base = base->next) { + if (v3d->lay & base->lay) { + /* dupli drawing */ + if (base->object->transflag & OB_DUPLI) { + draw_dupli_objects_color(scene, ar, v3d, base, dflag_depth, TH_UNDEFINED); + } + draw_object(scene, ar, v3d, base, dflag_depth); + } + } + + /* this isn't that nice, draw xray objects as if they are normal */ + if (v3d->afterdraw_transp.first || + v3d->afterdraw_xray.first || + v3d->afterdraw_xraytransp.first) + { + View3DAfter *v3da; + int mask_orig; + + v3d->xray = true; + + /* transp materials can change the depth mask, see #21388 */ + glGetIntegerv(GL_DEPTH_WRITEMASK, &mask_orig); + + + if (v3d->afterdraw_xray.first || v3d->afterdraw_xraytransp.first) { + glDepthFunc(GL_ALWAYS); /* always write into the depth bufer, overwriting front z values */ + for (v3da = v3d->afterdraw_xray.first; v3da; v3da = v3da->next) { + draw_object(scene, ar, v3d, v3da->base, dflag_depth); + } + glDepthFunc(GL_LEQUAL); /* Now write the depth buffer normally */ + } + + /* draw 3 passes, transp/xray/xraytransp */ + v3d->xray = false; + v3d->transp = true; + while ((v3da = BLI_pophead(&v3d->afterdraw_transp))) { + draw_object(scene, ar, v3d, v3da->base, dflag_depth); + MEM_freeN(v3da); + } + + v3d->xray = true; + v3d->transp = false; + while ((v3da = BLI_pophead(&v3d->afterdraw_xray))) { + draw_object(scene, ar, v3d, v3da->base, dflag_depth); + MEM_freeN(v3da); + } + + v3d->xray = true; + v3d->transp = true; + while ((v3da = BLI_pophead(&v3d->afterdraw_xraytransp))) { + draw_object(scene, ar, v3d, v3da->base, dflag_depth); + MEM_freeN(v3da); + } + + + v3d->xray = false; + v3d->transp = false; + + glDepthMask(mask_orig); + } + + if (rv3d->rflag & RV3D_CLIPPING) { + ED_view3d_clipping_disable(); + } + rv3d->rflag &= ~RV3D_ZOFFSET_DISABLED; + + v3d->zbuf = zbuf; + if (!v3d->zbuf) glDisable(GL_DEPTH_TEST); + + U.glalphaclip = glalphaclip; + v3d->flag = flag; + U.obcenter_dia = obcenter_dia; +} + +typedef struct View3DShadow { + struct View3DShadow *next, *prev; + GPULamp *lamp; +} View3DShadow; + +static void gpu_render_lamp_update(Scene *scene, View3D *v3d, + Object *ob, Object *par, + float obmat[4][4], unsigned int lay, + ListBase *shadows, SceneRenderLayer *srl) +{ + GPULamp *lamp; + Lamp *la = (Lamp *)ob->data; + View3DShadow *shadow; + unsigned int layers; + + lamp = GPU_lamp_from_blender(scene, ob, par); + + if (lamp) { + GPU_lamp_update(lamp, lay, (ob->restrictflag & OB_RESTRICT_RENDER), obmat); + GPU_lamp_update_colors(lamp, la->r, la->g, la->b, la->energy); + + layers = lay & v3d->lay; + if (srl) + layers &= srl->lay; + + if (layers && + GPU_lamp_has_shadow_buffer(lamp) && + /* keep last, may do string lookup */ + GPU_lamp_override_visible(lamp, srl, NULL)) + { + shadow = MEM_callocN(sizeof(View3DShadow), "View3DShadow"); + shadow->lamp = lamp; + BLI_addtail(shadows, shadow); + } + } +} + +static void gpu_update_lamps_shadows_world(Scene *scene, View3D *v3d) +{ + ListBase shadows; + View3DShadow *shadow; + Scene *sce_iter; + Base *base; + Object *ob; + World *world = scene->world; + SceneRenderLayer *srl = v3d->scenelock ? BLI_findlink(&scene->r.layers, scene->r.actlay) : NULL; + + BLI_listbase_clear(&shadows); + + /* update lamp transform and gather shadow lamps */ + for (SETLOOPER(scene, sce_iter, base)) { + ob = base->object; + + if (ob->type == OB_LAMP) + gpu_render_lamp_update(scene, v3d, ob, NULL, ob->obmat, ob->lay, &shadows, srl); + + if (ob->transflag & OB_DUPLI) { + DupliObject *dob; + ListBase *lb = object_duplilist(G.main->eval_ctx, scene, ob); + + for (dob = lb->first; dob; dob = dob->next) + if (dob->ob->type == OB_LAMP) + gpu_render_lamp_update(scene, v3d, dob->ob, ob, dob->mat, ob->lay, &shadows, srl); + + free_object_duplilist(lb); + } + } + + /* render shadows after updating all lamps, nested object_duplilist + * don't work correct since it's replacing object matrices */ + for (shadow = shadows.first; shadow; shadow = shadow->next) { + /* this needs to be done better .. */ + float viewmat[4][4], winmat[4][4]; + int drawtype, lay, winsize, flag2 = v3d->flag2; + ARegion ar = {NULL}; + RegionView3D rv3d = {{{0}}}; + + drawtype = v3d->drawtype; + lay = v3d->lay; + + v3d->drawtype = OB_SOLID; + v3d->lay &= GPU_lamp_shadow_layer(shadow->lamp); + v3d->flag2 &= ~(V3D_SOLID_TEX | V3D_SHOW_SOLID_MATCAP); + v3d->flag2 |= V3D_RENDER_OVERRIDE | V3D_RENDER_SHADOW; + + GPU_lamp_shadow_buffer_bind(shadow->lamp, viewmat, &winsize, winmat); + + ar.regiondata = &rv3d; + ar.regiontype = RGN_TYPE_WINDOW; + rv3d.persp = RV3D_CAMOB; + copy_m4_m4(rv3d.winmat, winmat); + copy_m4_m4(rv3d.viewmat, viewmat); + invert_m4_m4(rv3d.viewinv, rv3d.viewmat); + mul_m4_m4m4(rv3d.persmat, rv3d.winmat, rv3d.viewmat); + invert_m4_m4(rv3d.persinv, rv3d.viewinv); + + /* no need to call ED_view3d_draw_offscreen_init since shadow buffers were already updated */ + ED_view3d_draw_offscreen( + scene, v3d, &ar, winsize, winsize, viewmat, winmat, + false, false, true, + NULL, NULL, NULL, NULL); + GPU_lamp_shadow_buffer_unbind(shadow->lamp); + + v3d->drawtype = drawtype; + v3d->lay = lay; + v3d->flag2 = flag2; + } + + BLI_freelistN(&shadows); + + /* update world values */ + if (world) { + GPU_mist_update_enable(world->mode & WO_MIST); + GPU_mist_update_values(world->mistype, world->miststa, world->mistdist, world->misi, &world->horr); + GPU_horizon_update_color(&world->horr); + GPU_ambient_update_color(&world->ambr); + GPU_zenith_update_color(&world->zenr); + } +} + +/* *********************** customdata **************** */ + +CustomDataMask ED_view3d_datamask(const Scene *scene, const View3D *v3d) +{ + CustomDataMask mask = 0; + const int drawtype = view3d_effective_drawtype(v3d); + + if (ELEM(drawtype, OB_TEXTURE, OB_MATERIAL) || + ((drawtype == OB_SOLID) && (v3d->flag2 & V3D_SOLID_TEX))) + { + mask |= CD_MASK_MTEXPOLY | CD_MASK_MLOOPUV | CD_MASK_MLOOPCOL; + + if (BKE_scene_use_new_shading_nodes(scene)) { + if (drawtype == OB_MATERIAL) + mask |= CD_MASK_ORCO; + } + else { + if ((scene->gm.matmode == GAME_MAT_GLSL && drawtype == OB_TEXTURE) || + (drawtype == OB_MATERIAL)) + { + mask |= CD_MASK_ORCO; + } + } + } + + return mask; +} + +/* goes over all modes and view3d settings */ +CustomDataMask ED_view3d_screen_datamask(const bScreen *screen) +{ + const Scene *scene = screen->scene; + CustomDataMask mask = CD_MASK_BAREMESH; + const ScrArea *sa; + + /* check if we need tfaces & mcols due to view mode */ + for (sa = screen->areabase.first; sa; sa = sa->next) { + if (sa->spacetype == SPACE_VIEW3D) { + mask |= ED_view3d_datamask(scene, sa->spacedata.first); + } + } + + return mask; +} + +/** + * \note keep this synced with #ED_view3d_mats_rv3d_backup/#ED_view3d_mats_rv3d_restore + */ +void ED_view3d_update_viewmat(Scene *scene, View3D *v3d, ARegion *ar, float viewmat[4][4], float winmat[4][4]) +{ + RegionView3D *rv3d = ar->regiondata; + rctf cameraborder; + + /* setup window matrices */ + if (winmat) + copy_m4_m4(rv3d->winmat, winmat); + else + view3d_winmatrix_set(ar, v3d, NULL); + + /* setup view matrix */ + if (viewmat) + copy_m4_m4(rv3d->viewmat, viewmat); + else + view3d_viewmatrix_set(scene, v3d, rv3d); /* note: calls BKE_object_where_is_calc for camera... */ + + /* update utilitity matrices */ + mul_m4_m4m4(rv3d->persmat, rv3d->winmat, rv3d->viewmat); + invert_m4_m4(rv3d->persinv, rv3d->persmat); + invert_m4_m4(rv3d->viewinv, rv3d->viewmat); + + /* calculate GLSL view dependent values */ + + /* store window coordinates scaling/offset */ + if (rv3d->persp == RV3D_CAMOB && v3d->camera) { + ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &cameraborder, false); + rv3d->viewcamtexcofac[0] = (float)ar->winx / BLI_rctf_size_x(&cameraborder); + rv3d->viewcamtexcofac[1] = (float)ar->winy / BLI_rctf_size_y(&cameraborder); + + rv3d->viewcamtexcofac[2] = -rv3d->viewcamtexcofac[0] * cameraborder.xmin / (float)ar->winx; + rv3d->viewcamtexcofac[3] = -rv3d->viewcamtexcofac[1] * cameraborder.ymin / (float)ar->winy; + } + else { + rv3d->viewcamtexcofac[0] = rv3d->viewcamtexcofac[1] = 1.0f; + rv3d->viewcamtexcofac[2] = rv3d->viewcamtexcofac[3] = 0.0f; + } + + /* calculate pixelsize factor once, is used for lamps and obcenters */ + { + /* note: '1.0f / len_v3(v1)' replaced 'len_v3(rv3d->viewmat[0])' + * because of float point precision problems at large values [#23908] */ + float v1[3], v2[3]; + float len_px, len_sc; + + v1[0] = rv3d->persmat[0][0]; + v1[1] = rv3d->persmat[1][0]; + v1[2] = rv3d->persmat[2][0]; + + v2[0] = rv3d->persmat[0][1]; + v2[1] = rv3d->persmat[1][1]; + v2[2] = rv3d->persmat[2][1]; + + len_px = 2.0f / sqrtf(min_ff(len_squared_v3(v1), len_squared_v3(v2))); + len_sc = (float)MAX2(ar->winx, ar->winy); + + rv3d->pixsize = len_px / len_sc; + } +} + +/** + * Shared by #ED_view3d_draw_offscreen and #view3d_main_region_draw_objects + * + * \note \a C and \a grid_unit will be NULL when \a draw_offscreen is set. + * \note Drawing lamps and opengl render uses this, so dont do grease pencil or view widgets here. + */ +static void view3d_draw_objects( + const bContext *C, + Scene *scene, View3D *v3d, ARegion *ar, + const char **grid_unit, + const bool do_bgpic, const bool draw_offscreen, GPUFX *fx) +{ + RegionView3D *rv3d = ar->regiondata; + Base *base; + const bool do_camera_frame = !draw_offscreen; + const bool draw_grids = !draw_offscreen && (v3d->flag2 & V3D_RENDER_OVERRIDE) == 0; + const bool draw_floor = (rv3d->view == RV3D_VIEW_USER) || (rv3d->persp != RV3D_ORTHO); + /* only draw grids after in solid modes, else it hovers over mesh wires */ + const bool draw_grids_after = draw_grids && draw_floor && (v3d->drawtype > OB_WIRE) && fx; + bool do_composite_xray = false; + bool xrayclear = true; + + if (!draw_offscreen) { + ED_region_draw_cb_draw(C, ar, REGION_DRAW_PRE_VIEW); + } + + if (rv3d->rflag & RV3D_CLIPPING) + view3d_draw_clipping(rv3d); + + /* set zbuffer after we draw clipping region */ + if (v3d->drawtype > OB_WIRE) { + v3d->zbuf = true; + } + else { + v3d->zbuf = false; + } + + /* special case (depth for wire color) */ + if (v3d->drawtype <= OB_WIRE) { + if (scene->obedit && scene->obedit->type == OB_MESH) { + Mesh *me = scene->obedit->data; + if (me->drawflag & ME_DRAWEIGHT) { + v3d->zbuf = true; + } + } + } + + if (v3d->zbuf) { + glEnable(GL_DEPTH_TEST); + } + + /* ortho grid goes first, does not write to depth buffer and doesn't need depth test so it will override + * objects if done last */ + if (draw_grids) { + /* needs to be done always, gridview is adjusted in drawgrid() now, but only for ortho views. */ + rv3d->gridview = ED_view3d_grid_scale(scene, v3d, grid_unit); + + if (!draw_floor) { + ED_region_pixelspace(ar); + *grid_unit = NULL; /* drawgrid need this to detect/affect smallest valid unit... */ + drawgrid(&scene->unit, ar, v3d, grid_unit); + /* XXX make function? replaces persp(1) */ + glMatrixMode(GL_PROJECTION); + glLoadMatrixf(rv3d->winmat); + glMatrixMode(GL_MODELVIEW); + glLoadMatrixf(rv3d->viewmat); + } + else if (!draw_grids_after) { + drawfloor(scene, v3d, grid_unit, true); + } + } + + /* important to do before clipping */ + if (do_bgpic) { + view3d_draw_bgpic_test(scene, ar, v3d, false, do_camera_frame); + } + + if (rv3d->rflag & RV3D_CLIPPING) { + ED_view3d_clipping_set(rv3d); + } + + /* draw set first */ + if (scene->set) { + const short dflag = DRAW_CONSTCOLOR | DRAW_SCENESET; + Scene *sce_iter; + for (SETLOOPER(scene->set, sce_iter, base)) { + if (v3d->lay & base->lay) { + UI_ThemeColorBlend(TH_WIRE, TH_BACK, 0.6f); + draw_object(scene, ar, v3d, base, dflag); + + if (base->object->transflag & OB_DUPLI) { + draw_dupli_objects_color(scene, ar, v3d, base, dflag, TH_UNDEFINED); + } + } + } + + /* Transp and X-ray afterdraw stuff for sets is done later */ + } + + + if (draw_offscreen) { + for (base = scene->base.first; base; base = base->next) { + if (v3d->lay & base->lay) { + /* dupli drawing */ + if (base->object->transflag & OB_DUPLI) + draw_dupli_objects(scene, ar, v3d, base); + + draw_object(scene, ar, v3d, base, 0); + } + } + } + else { + unsigned int lay_used = 0; + + /* then draw not selected and the duplis, but skip editmode object */ + for (base = scene->base.first; base; base = base->next) { + lay_used |= base->lay; + + if (v3d->lay & base->lay) { + + /* dupli drawing */ + if (base->object->transflag & OB_DUPLI) { + draw_dupli_objects(scene, ar, v3d, base); + } + if ((base->flag & SELECT) == 0) { + if (base->object != scene->obedit) + draw_object(scene, ar, v3d, base, 0); + } + } + } + + /* mask out localview */ + v3d->lay_used = lay_used & ((1 << 20) - 1); + + /* draw selected and editmode */ + for (base = scene->base.first; base; base = base->next) { + if (v3d->lay & base->lay) { + if (base->object == scene->obedit || (base->flag & SELECT)) { + draw_object(scene, ar, v3d, base, 0); + } + } + } + } + + /* perspective floor goes last to use scene depth and avoid writing to depth buffer */ + if (draw_grids_after) { + drawfloor(scene, v3d, grid_unit, false); + } + + /* must be before xray draw which clears the depth buffer */ + if (v3d->flag2 & V3D_SHOW_GPENCIL) { + wmWindowManager *wm = (C != NULL) ? CTX_wm_manager(C) : NULL; + + /* must be before xray draw which clears the depth buffer */ + if (v3d->zbuf) glDisable(GL_DEPTH_TEST); + ED_gpencil_draw_view3d(wm, scene, v3d, ar, true); + if (v3d->zbuf) glEnable(GL_DEPTH_TEST); + } + + /* transp and X-ray afterdraw stuff */ + if (v3d->afterdraw_transp.first) view3d_draw_transp(scene, ar, v3d); + + /* always do that here to cleanup depth buffers if none needed */ + if (fx) { + do_composite_xray = v3d->zbuf && (v3d->afterdraw_xray.first || v3d->afterdraw_xraytransp.first); + GPU_fx_compositor_setup_XRay_pass(fx, do_composite_xray); + } + + if (v3d->afterdraw_xray.first) view3d_draw_xray(scene, ar, v3d, &xrayclear); + if (v3d->afterdraw_xraytransp.first) view3d_draw_xraytransp(scene, ar, v3d, xrayclear); + + if (fx && do_composite_xray) { + GPU_fx_compositor_XRay_resolve(fx); + } + + if (!draw_offscreen) { + ED_region_draw_cb_draw(C, ar, REGION_DRAW_POST_VIEW); + } + + if (rv3d->rflag & RV3D_CLIPPING) + ED_view3d_clipping_disable(); + + /* important to do after clipping */ + if (do_bgpic) { + view3d_draw_bgpic_test(scene, ar, v3d, true, do_camera_frame); + } + + if (!draw_offscreen) { + BIF_draw_manipulator(C); + } + + /* cleanup */ + if (v3d->zbuf) { + v3d->zbuf = false; + glDisable(GL_DEPTH_TEST); + } + + if ((v3d->flag2 & V3D_RENDER_SHADOW) == 0) { + GPU_free_images_old(); + } +} + +static void view3d_main_region_setup_view(Scene *scene, View3D *v3d, ARegion *ar, float viewmat[4][4], float winmat[4][4]) +{ + RegionView3D *rv3d = ar->regiondata; + + ED_view3d_update_viewmat(scene, v3d, ar, viewmat, winmat); + + /* set for opengl */ + glMatrixMode(GL_PROJECTION); + glLoadMatrixf(rv3d->winmat); + glMatrixMode(GL_MODELVIEW); + glLoadMatrixf(rv3d->viewmat); +} + +/** + * Store values from #RegionView3D, set when drawing. + * This is needed when we draw with to a viewport using a different matrix (offscreen drawing for example). + * + * Values set by #ED_view3d_update_viewmat should be handled here. + */ +struct RV3DMatrixStore { + float winmat[4][4]; + float viewmat[4][4]; + float viewinv[4][4]; + float persmat[4][4]; + float persinv[4][4]; + float viewcamtexcofac[4]; + float pixsize; +}; + +void *ED_view3d_mats_rv3d_backup(struct RegionView3D *rv3d) +{ + struct RV3DMatrixStore *rv3dmat = MEM_mallocN(sizeof(*rv3dmat), __func__); + copy_m4_m4(rv3dmat->winmat, rv3d->winmat); + copy_m4_m4(rv3dmat->viewmat, rv3d->viewmat); + copy_m4_m4(rv3dmat->persmat, rv3d->persmat); + copy_m4_m4(rv3dmat->persinv, rv3d->persinv); + copy_m4_m4(rv3dmat->viewinv, rv3d->viewinv); + copy_v4_v4(rv3dmat->viewcamtexcofac, rv3d->viewcamtexcofac); + rv3dmat->pixsize = rv3d->pixsize; + return (void *)rv3dmat; +} + +void ED_view3d_mats_rv3d_restore(struct RegionView3D *rv3d, void *rv3dmat_pt) +{ + struct RV3DMatrixStore *rv3dmat = rv3dmat_pt; + copy_m4_m4(rv3d->winmat, rv3dmat->winmat); + copy_m4_m4(rv3d->viewmat, rv3dmat->viewmat); + copy_m4_m4(rv3d->persmat, rv3dmat->persmat); + copy_m4_m4(rv3d->persinv, rv3dmat->persinv); + copy_m4_m4(rv3d->viewinv, rv3dmat->viewinv); + copy_v4_v4(rv3d->viewcamtexcofac, rv3dmat->viewcamtexcofac); + rv3d->pixsize = rv3dmat->pixsize; +} + +void ED_view3d_draw_offscreen_init(Scene *scene, View3D *v3d) +{ + /* shadow buffers, before we setup matrices */ + if (draw_glsl_material(scene, NULL, v3d, v3d->drawtype)) + gpu_update_lamps_shadows_world(scene, v3d); +} + +/* + * Function to clear the view + */ +static void view3d_main_region_clear(Scene *scene, View3D *v3d, ARegion *ar) +{ + if (scene->world && (v3d->flag3 & V3D_SHOW_WORLD)) { + bool glsl = GPU_glsl_support(); + if (glsl) { + RegionView3D *rv3d = ar->regiondata; + GPUMaterial *gpumat = GPU_material_world(scene, scene->world); + + /* calculate full shader for background */ + GPU_material_bind(gpumat, 1, 1, 1.0, false, rv3d->viewmat, rv3d->viewinv, rv3d->viewcamtexcofac, (v3d->scenelock != 0)); + + bool material_not_bound = !GPU_material_bound(gpumat); + + if (material_not_bound) { + glMatrixMode(GL_PROJECTION); + glPushMatrix(); + glLoadIdentity(); + glMatrixMode(GL_MODELVIEW); + glPushMatrix(); + glLoadIdentity(); + glColor4f(0.0f, 0.0f, 0.0f, 1.0f); + } + // Draw world + glEnable(GL_DEPTH_TEST); + glDepthFunc(GL_ALWAYS); + glBegin(GL_TRIANGLE_STRIP); + glVertex3f(-1.0, -1.0, 1.0); + glVertex3f(1.0, -1.0, 1.0); + glVertex3f(-1.0, 1.0, 1.0); + glVertex3f(1.0, 1.0, 1.0); + glEnd(); + // + if (material_not_bound) { + glMatrixMode(GL_PROJECTION); + glPopMatrix(); + glMatrixMode(GL_MODELVIEW); + glPopMatrix(); + } + + GPU_material_unbind(gpumat); + + glDepthFunc(GL_LEQUAL); + glDisable(GL_DEPTH_TEST); + } + else if (scene->world->skytype & WO_SKYBLEND) { /* blend sky */ + int x, y; + float col_hor[3]; + float col_zen[3]; + +#define VIEWGRAD_RES_X 16 +#define VIEWGRAD_RES_Y 16 + + GLubyte grid_col[VIEWGRAD_RES_X][VIEWGRAD_RES_Y][4]; + static float grid_pos[VIEWGRAD_RES_X][VIEWGRAD_RES_Y][3]; + static GLushort indices[VIEWGRAD_RES_X - 1][VIEWGRAD_RES_X - 1][4]; + static bool buf_calculated = false; + + IMB_colormanagement_pixel_to_display_space_v3(col_hor, &scene->world->horr, &scene->view_settings, + &scene->display_settings); + IMB_colormanagement_pixel_to_display_space_v3(col_zen, &scene->world->zenr, &scene->view_settings, + &scene->display_settings); + + glMatrixMode(GL_PROJECTION); + glPushMatrix(); + glLoadIdentity(); + glMatrixMode(GL_MODELVIEW); + glPushMatrix(); + glLoadIdentity(); + + /* calculate buffers the first time only */ + if (!buf_calculated) { + for (x = 0; x < VIEWGRAD_RES_X; x++) { + for (y = 0; y < VIEWGRAD_RES_Y; y++) { + const float xf = (float)x / (float)(VIEWGRAD_RES_X - 1); + const float yf = (float)y / (float)(VIEWGRAD_RES_Y - 1); + + /* -1..1 range */ + grid_pos[x][y][0] = (xf - 0.5f) * 2.0f; + grid_pos[x][y][1] = (yf - 0.5f) * 2.0f; + grid_pos[x][y][2] = 1.0; + } + } + + for (x = 0; x < VIEWGRAD_RES_X - 1; x++) { + for (y = 0; y < VIEWGRAD_RES_Y - 1; y++) { + indices[x][y][0] = x * VIEWGRAD_RES_X + y; + indices[x][y][1] = x * VIEWGRAD_RES_X + y + 1; + indices[x][y][2] = (x + 1) * VIEWGRAD_RES_X + y + 1; + indices[x][y][3] = (x + 1) * VIEWGRAD_RES_X + y; + } + } + + buf_calculated = true; + } + + for (x = 0; x < VIEWGRAD_RES_X; x++) { + for (y = 0; y < VIEWGRAD_RES_Y; y++) { + const float xf = (float)x / (float)(VIEWGRAD_RES_X - 1); + const float yf = (float)y / (float)(VIEWGRAD_RES_Y - 1); + const float mval[2] = {xf * (float)ar->winx, yf * ar->winy}; + const float z_up[3] = {0.0f, 0.0f, 1.0f}; + float out[3]; + GLubyte *col_ub = grid_col[x][y]; + + float col_fac; + float col_fl[3]; + + ED_view3d_win_to_vector(ar, mval, out); + + if (scene->world->skytype & WO_SKYPAPER) { + if (scene->world->skytype & WO_SKYREAL) { + col_fac = fabsf(((float)y / (float)VIEWGRAD_RES_Y) - 0.5f) * 2.0f; + } + else { + col_fac = (float)y / (float)VIEWGRAD_RES_Y; + } + } + else { + if (scene->world->skytype & WO_SKYREAL) { + col_fac = fabsf((angle_normalized_v3v3(z_up, out) / (float)M_PI) - 0.5f) * 2.0f; + } + else { + col_fac = 1.0f - (angle_normalized_v3v3(z_up, out) / (float)M_PI); + } + } + + interp_v3_v3v3(col_fl, col_hor, col_zen, col_fac); + + rgb_float_to_uchar(col_ub, col_fl); + col_ub[3] = 255; + } + } + + glEnable(GL_DEPTH_TEST); + glDepthFunc(GL_ALWAYS); + + glEnableClientState(GL_VERTEX_ARRAY); + glEnableClientState(GL_COLOR_ARRAY); + glVertexPointer(3, GL_FLOAT, 0, grid_pos); + glColorPointer(4, GL_UNSIGNED_BYTE, 0, grid_col); + + glDrawElements(GL_QUADS, (VIEWGRAD_RES_X - 1) * (VIEWGRAD_RES_Y - 1) * 4, GL_UNSIGNED_SHORT, indices); + + glDisableClientState(GL_VERTEX_ARRAY); + glDisableClientState(GL_COLOR_ARRAY); + + glDepthFunc(GL_LEQUAL); + glDisable(GL_DEPTH_TEST); + + glMatrixMode(GL_PROJECTION); + glPopMatrix(); + glMatrixMode(GL_MODELVIEW); + glPopMatrix(); + +#undef VIEWGRAD_RES_X +#undef VIEWGRAD_RES_Y + } + else { /* solid sky */ + float col_hor[3]; + IMB_colormanagement_pixel_to_display_space_v3(col_hor, &scene->world->horr, &scene->view_settings, + &scene->display_settings); + + glClearColor(col_hor[0], col_hor[1], col_hor[2], 1.0); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + } + } + else { + if (UI_GetThemeValue(TH_SHOW_BACK_GRAD)) { + glMatrixMode(GL_PROJECTION); + glPushMatrix(); + glLoadIdentity(); + glMatrixMode(GL_MODELVIEW); + glPushMatrix(); + glLoadIdentity(); + + glEnable(GL_DEPTH_TEST); + glDepthFunc(GL_ALWAYS); + glBegin(GL_QUADS); + UI_ThemeColor(TH_LOW_GRAD); + glVertex3f(-1.0, -1.0, 1.0); + glVertex3f(1.0, -1.0, 1.0); + UI_ThemeColor(TH_HIGH_GRAD); + glVertex3f(1.0, 1.0, 1.0); + glVertex3f(-1.0, 1.0, 1.0); + glEnd(); + glDepthFunc(GL_LEQUAL); + glDisable(GL_DEPTH_TEST); + + glMatrixMode(GL_PROJECTION); + glPopMatrix(); + + glMatrixMode(GL_MODELVIEW); + glPopMatrix(); + } + else { + UI_ThemeClearColorAlpha(TH_HIGH_GRAD, 1.0f); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + } + } +} + +/* ED_view3d_draw_offscreen_init should be called before this to initialize + * stuff like shadow buffers + */ +void ED_view3d_draw_offscreen( + Scene *scene, View3D *v3d, ARegion *ar, int winx, int winy, + float viewmat[4][4], float winmat[4][4], + bool do_bgpic, bool do_sky, bool is_persp, const char *viewname, + GPUFX *fx, GPUFXSettings *fx_settings, + GPUOffScreen *ofs) +{ + struct bThemeState theme_state; + int bwinx, bwiny; + rcti brect; + bool do_compositing = false; + RegionView3D *rv3d = ar->regiondata; + + glPushMatrix(); + + /* set temporary new size */ + bwinx = ar->winx; + bwiny = ar->winy; + brect = ar->winrct; + + ar->winx = winx; + ar->winy = winy; + ar->winrct.xmin = 0; + ar->winrct.ymin = 0; + ar->winrct.xmax = winx; + ar->winrct.ymax = winy; + + UI_Theme_Store(&theme_state); + UI_SetTheme(SPACE_VIEW3D, RGN_TYPE_WINDOW); + + /* set flags */ + G.f |= G_RENDER_OGL; + + if ((v3d->flag2 & V3D_RENDER_SHADOW) == 0) { + /* free images which can have changed on frame-change + * warning! can be slow so only free animated images - campbell */ + GPU_free_images_anim(); + } + + /* setup view matrices before fx or unbinding the offscreen buffers will cause issues */ + if ((viewname != NULL && viewname[0] != '\0') && (viewmat == NULL) && rv3d->persp == RV3D_CAMOB && v3d->camera) + view3d_stereo3d_setup_offscreen(scene, v3d, ar, winmat, viewname); + else + view3d_main_region_setup_view(scene, v3d, ar, viewmat, winmat); + + /* framebuffer fx needed, we need to draw offscreen first */ + if (v3d->fx_settings.fx_flag && fx) { + GPUSSAOSettings *ssao = NULL; + + if (v3d->drawtype < OB_SOLID) { + ssao = v3d->fx_settings.ssao; + v3d->fx_settings.ssao = NULL; + } + + do_compositing = GPU_fx_compositor_initialize_passes(fx, &ar->winrct, NULL, fx_settings); + + if (ssao) + v3d->fx_settings.ssao = ssao; + } + + /* clear opengl buffers */ + if (do_sky) { + view3d_main_region_clear(scene, v3d, ar); + } + else { + glClearColor(0.0f, 0.0f, 0.0f, 0.0f); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + } + + /* main drawing call */ + view3d_draw_objects(NULL, scene, v3d, ar, NULL, do_bgpic, true, do_compositing ? fx : NULL); + + /* post process */ + if (do_compositing) { + if (!winmat) + is_persp = rv3d->is_persp; + GPU_fx_do_composite_pass(fx, winmat, is_persp, scene, ofs); + } + + if ((v3d->flag2 & V3D_RENDER_SHADOW) == 0) { + /* draw grease-pencil stuff */ + ED_region_pixelspace(ar); + + + if (v3d->flag2 & V3D_SHOW_GPENCIL) { + /* draw grease-pencil stuff - needed to get paint-buffer shown too (since it's 2D) */ + ED_gpencil_draw_view3d(NULL, scene, v3d, ar, false); + } + + /* freeing the images again here could be done after the operator runs, leaving for now */ + GPU_free_images_anim(); + } + + /* restore size */ + ar->winx = bwinx; + ar->winy = bwiny; + ar->winrct = brect; + + glPopMatrix(); + + UI_Theme_Restore(&theme_state); + + G.f &= ~G_RENDER_OGL; +} + +/** + * Utility func for ED_view3d_draw_offscreen + * + * \param ofs: Optional off-screen buffer, can be NULL. + * (avoids re-creating when doing multiple GL renders). + */ +ImBuf *ED_view3d_draw_offscreen_imbuf( + Scene *scene, View3D *v3d, ARegion *ar, int sizex, int sizey, + unsigned int flag, bool draw_background, + int alpha_mode, int samples, bool full_samples, const char *viewname, + /* output vars */ + GPUFX *fx, GPUOffScreen *ofs, char err_out[256]) +{ + RegionView3D *rv3d = ar->regiondata; + ImBuf *ibuf; + const bool draw_sky = (alpha_mode == R_ADDSKY); + + /* view state */ + GPUFXSettings fx_settings = v3d->fx_settings; + bool is_ortho = false; + float winmat[4][4]; + + if (ofs && ((GPU_offscreen_width(ofs) != sizex) || (GPU_offscreen_height(ofs) != sizey))) { + /* sizes differ, can't reuse */ + ofs = NULL; + } + + const bool own_ofs = (ofs == NULL); + + if (own_ofs) { + /* bind */ + ofs = GPU_offscreen_create(sizex, sizey, full_samples ? 0 : samples, err_out); + if (ofs == NULL) { + return NULL; + } + } + + ED_view3d_draw_offscreen_init(scene, v3d); + + GPU_offscreen_bind(ofs, true); + + /* read in pixels & stamp */ + ibuf = IMB_allocImBuf(sizex, sizey, 32, flag); + + /* render 3d view */ + if (rv3d->persp == RV3D_CAMOB && v3d->camera) { + CameraParams params; + Object *camera = BKE_camera_multiview_render(scene, v3d->camera, viewname); + + BKE_camera_params_init(¶ms); + /* fallback for non camera objects */ + params.clipsta = v3d->near; + params.clipend = v3d->far; + BKE_camera_params_from_object(¶ms, camera); + BKE_camera_multiview_params(&scene->r, ¶ms, camera, viewname); + BKE_camera_params_compute_viewplane(¶ms, sizex, sizey, scene->r.xasp, scene->r.yasp); + BKE_camera_params_compute_matrix(¶ms); + + BKE_camera_to_gpu_dof(camera, &fx_settings); + + is_ortho = params.is_ortho; + copy_m4_m4(winmat, params.winmat); + } + else { + rctf viewplane; + float clipsta, clipend; + + is_ortho = ED_view3d_viewplane_get(v3d, rv3d, sizex, sizey, &viewplane, &clipsta, &clipend, NULL); + if (is_ortho) { + orthographic_m4(winmat, viewplane.xmin, viewplane.xmax, viewplane.ymin, viewplane.ymax, -clipend, clipend); + } + else { + perspective_m4(winmat, viewplane.xmin, viewplane.xmax, viewplane.ymin, viewplane.ymax, clipsta, clipend); + } + } + + if ((samples && full_samples) == 0) { + /* Single-pass render, common case */ + ED_view3d_draw_offscreen( + scene, v3d, ar, sizex, sizey, NULL, winmat, + draw_background, draw_sky, !is_ortho, viewname, + fx, &fx_settings, ofs); + + if (ibuf->rect_float) { + GPU_offscreen_read_pixels(ofs, GL_FLOAT, ibuf->rect_float); + } + else if (ibuf->rect) { + GPU_offscreen_read_pixels(ofs, GL_UNSIGNED_BYTE, ibuf->rect); + } + } + else { + /* Multi-pass render, use accumulation buffer & jitter for 'full' oversampling. + * Use because OpenGL may use a lower quality MSAA, and only over-sample edges. */ + static float jit_ofs[32][2]; + float winmat_jitter[4][4]; + /* use imbuf as temp storage, before writing into it from accumulation buffer */ + unsigned char *rect_temp = ibuf->rect ? (void *)ibuf->rect : (void *)ibuf->rect_float; + unsigned int *accum_buffer = MEM_mallocN(sizex * sizey * sizeof(int[4]), "accum1"); + unsigned int i; + int j; + + BLI_jitter_init(jit_ofs, samples); + + /* first sample buffer, also initializes 'rv3d->persmat' */ + ED_view3d_draw_offscreen( + scene, v3d, ar, sizex, sizey, NULL, winmat, + draw_background, draw_sky, !is_ortho, viewname, + fx, &fx_settings, ofs); + GPU_offscreen_read_pixels(ofs, GL_UNSIGNED_BYTE, rect_temp); + + i = sizex * sizey * 4; + while (i--) { + accum_buffer[i] = rect_temp[i]; + } + + /* skip the first sample */ + for (j = 1; j < samples; j++) { + copy_m4_m4(winmat_jitter, winmat); + window_translate_m4( + winmat_jitter, rv3d->persmat, + (jit_ofs[j][0] * 2.0f) / sizex, + (jit_ofs[j][1] * 2.0f) / sizey); + + ED_view3d_draw_offscreen( + scene, v3d, ar, sizex, sizey, NULL, winmat_jitter, + draw_background, draw_sky, !is_ortho, viewname, + fx, &fx_settings, ofs); + GPU_offscreen_read_pixels(ofs, GL_UNSIGNED_BYTE, rect_temp); + + i = sizex * sizey * 4; + while (i--) { + accum_buffer[i] += rect_temp[i]; + } + } + + if (ibuf->rect_float) { + float *rect_float = ibuf->rect_float; + i = sizex * sizey * 4; + while (i--) { + rect_float[i] = (float)(accum_buffer[i] / samples) * (1.0f / 255.0f); + } + } + else { + unsigned char *rect_ub = (unsigned char *)ibuf->rect; + i = sizex * sizey * 4; + while (i--) { + rect_ub[i] = accum_buffer[i] / samples; + } + } + + MEM_freeN(accum_buffer); + } + + /* unbind */ + GPU_offscreen_unbind(ofs, true); + + if (own_ofs) { + GPU_offscreen_free(ofs); + } + + if (ibuf->rect_float && ibuf->rect) + IMB_rect_from_float(ibuf); + + return ibuf; +} + +/** + * Creates own fake 3d views (wrapping #ED_view3d_draw_offscreen_imbuf) + * + * \param ofs: Optional off-screen buffer can be NULL. + * (avoids re-creating when doing multiple GL renders). + * + * \note used by the sequencer + */ +ImBuf *ED_view3d_draw_offscreen_imbuf_simple( + Scene *scene, Object *camera, int width, int height, + unsigned int flag, int drawtype, bool use_solid_tex, bool use_gpencil, bool draw_background, + int alpha_mode, int samples, bool full_samples, const char *viewname, + GPUFX *fx, GPUOffScreen *ofs, char err_out[256]) +{ + View3D v3d = {NULL}; + ARegion ar = {NULL}; + RegionView3D rv3d = {{{0}}}; + + /* connect data */ + v3d.regionbase.first = v3d.regionbase.last = &ar; + ar.regiondata = &rv3d; + ar.regiontype = RGN_TYPE_WINDOW; + + v3d.camera = camera; + v3d.lay = scene->lay; + v3d.drawtype = drawtype; + v3d.flag2 = V3D_RENDER_OVERRIDE; + + if (use_gpencil) + v3d.flag2 |= V3D_SHOW_GPENCIL; + + if (use_solid_tex) + v3d.flag2 |= V3D_SOLID_TEX; + + if (draw_background) + v3d.flag3 |= V3D_SHOW_WORLD; + + rv3d.persp = RV3D_CAMOB; + + copy_m4_m4(rv3d.viewinv, v3d.camera->obmat); + normalize_m4(rv3d.viewinv); + invert_m4_m4(rv3d.viewmat, rv3d.viewinv); + + { + CameraParams params; + Object *view_camera = BKE_camera_multiview_render(scene, v3d.camera, viewname); + + BKE_camera_params_init(¶ms); + BKE_camera_params_from_object(¶ms, view_camera); + BKE_camera_multiview_params(&scene->r, ¶ms, view_camera, viewname); + BKE_camera_params_compute_viewplane(¶ms, width, height, scene->r.xasp, scene->r.yasp); + BKE_camera_params_compute_matrix(¶ms); + + copy_m4_m4(rv3d.winmat, params.winmat); + v3d.near = params.clipsta; + v3d.far = params.clipend; + v3d.lens = params.lens; + } + + mul_m4_m4m4(rv3d.persmat, rv3d.winmat, rv3d.viewmat); + invert_m4_m4(rv3d.persinv, rv3d.viewinv); + + return ED_view3d_draw_offscreen_imbuf( + scene, &v3d, &ar, width, height, flag, + draw_background, alpha_mode, samples, full_samples, viewname, + fx, ofs, err_out); +} + + +/** + * \note The info that this uses is updated in #ED_refresh_viewport_fps, + * which currently gets called during #SCREEN_OT_animation_step. + */ +void ED_scene_draw_fps(Scene *scene, const rcti *rect) +{ + ScreenFrameRateInfo *fpsi = scene->fps_info; + float fps; + char printable[16]; + int i, tot; + + if (!fpsi || !fpsi->lredrawtime || !fpsi->redrawtime) + return; + + printable[0] = '\0'; + +#if 0 + /* this is too simple, better do an average */ + fps = (float)(1.0 / (fpsi->lredrawtime - fpsi->redrawtime)) +#else + fpsi->redrawtimes_fps[fpsi->redrawtime_index] = (float)(1.0 / (fpsi->lredrawtime - fpsi->redrawtime)); + + for (i = 0, tot = 0, fps = 0.0f; i < REDRAW_FRAME_AVERAGE; i++) { + if (fpsi->redrawtimes_fps[i]) { + fps += fpsi->redrawtimes_fps[i]; + tot++; + } + } + if (tot) { + fpsi->redrawtime_index = (fpsi->redrawtime_index + 1) % REDRAW_FRAME_AVERAGE; + + //fpsi->redrawtime_index++; + //if (fpsi->redrawtime >= REDRAW_FRAME_AVERAGE) + // fpsi->redrawtime = 0; + + fps = fps / tot; + } +#endif + + /* is this more than half a frame behind? */ + if (fps + 0.5f < (float)(FPS)) { + UI_ThemeColor(TH_REDALERT); + BLI_snprintf(printable, sizeof(printable), IFACE_("fps: %.2f"), fps); + } + else { + UI_ThemeColor(TH_TEXT_HI); + BLI_snprintf(printable, sizeof(printable), IFACE_("fps: %i"), (int)(fps + 0.5f)); + } + +#ifdef WITH_INTERNATIONAL + BLF_draw_default(rect->xmin + U.widget_unit, rect->ymax - U.widget_unit, 0.0f, printable, sizeof(printable)); +#else + BLF_draw_default_ascii(rect->xmin + U.widget_unit, rect->ymax - U.widget_unit, 0.0f, printable, sizeof(printable)); +#endif +} + +static bool view3d_main_region_do_render_draw(Scene *scene) +{ + RenderEngineType *type = RE_engines_find(scene->r.engine); + + return (type && type->view_update && type->view_draw); +} + +bool ED_view3d_calc_render_border(Scene *scene, View3D *v3d, ARegion *ar, rcti *rect) +{ + RegionView3D *rv3d = ar->regiondata; + rctf viewborder; + bool use_border; + + /* test if there is a 3d view rendering */ + if (v3d->drawtype != OB_RENDER || !view3d_main_region_do_render_draw(scene)) + return false; + + /* test if there is a border render */ + if (rv3d->persp == RV3D_CAMOB) + use_border = (scene->r.mode & R_BORDER) != 0; + else + use_border = (v3d->flag2 & V3D_RENDER_BORDER) != 0; + + if (!use_border) + return false; + + /* compute border */ + if (rv3d->persp == RV3D_CAMOB) { + ED_view3d_calc_camera_border(scene, ar, v3d, rv3d, &viewborder, false); + + rect->xmin = viewborder.xmin + scene->r.border.xmin * BLI_rctf_size_x(&viewborder); + rect->ymin = viewborder.ymin + scene->r.border.ymin * BLI_rctf_size_y(&viewborder); + rect->xmax = viewborder.xmin + scene->r.border.xmax * BLI_rctf_size_x(&viewborder); + rect->ymax = viewborder.ymin + scene->r.border.ymax * BLI_rctf_size_y(&viewborder); + } + else { + rect->xmin = v3d->render_border.xmin * ar->winx; + rect->xmax = v3d->render_border.xmax * ar->winx; + rect->ymin = v3d->render_border.ymin * ar->winy; + rect->ymax = v3d->render_border.ymax * ar->winy; + } + + BLI_rcti_translate(rect, ar->winrct.xmin, ar->winrct.ymin); + BLI_rcti_isect(&ar->winrct, rect, rect); + + return true; +} + +static bool view3d_main_region_draw_engine(const bContext *C, Scene *scene, + ARegion *ar, View3D *v3d, + bool clip_border, const rcti *border_rect) +{ + RegionView3D *rv3d = ar->regiondata; + RenderEngineType *type; + GLint scissor[4]; + + /* create render engine */ + if (!rv3d->render_engine) { + RenderEngine *engine; + + type = RE_engines_find(scene->r.engine); + + if (!(type->view_update && type->view_draw)) + return false; + + engine = RE_engine_create_ex(type, true); + + engine->tile_x = scene->r.tilex; + engine->tile_y = scene->r.tiley; + + type->view_update(engine, C); + + rv3d->render_engine = engine; + } + + /* setup view matrices */ + view3d_main_region_setup_view(scene, v3d, ar, NULL, NULL); + + /* background draw */ + ED_region_pixelspace(ar); + + if (clip_border) { + /* for border draw, we only need to clear a subset of the 3d view */ + if (border_rect->xmax > border_rect->xmin && border_rect->ymax > border_rect->ymin) { + glGetIntegerv(GL_SCISSOR_BOX, scissor); + glScissor(border_rect->xmin, border_rect->ymin, + BLI_rcti_size_x(border_rect), BLI_rcti_size_y(border_rect)); + } + else { + return false; + } + } + + glClearColor(0.0f, 0.0f, 0.0f, 0.0f); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + if (v3d->flag & V3D_DISPBGPICS) + view3d_draw_bgpic_test(scene, ar, v3d, false, true); + else + fdrawcheckerboard(0, 0, ar->winx, ar->winy); + + /* render result draw */ + type = rv3d->render_engine->type; + type->view_draw(rv3d->render_engine, C); + + if (v3d->flag & V3D_DISPBGPICS) + view3d_draw_bgpic_test(scene, ar, v3d, true, true); + + if (clip_border) { + /* restore scissor as it was before */ + glScissor(scissor[0], scissor[1], scissor[2], scissor[3]); + } + + return true; +} + +static void view3d_main_region_draw_engine_info(View3D *v3d, RegionView3D *rv3d, ARegion *ar, bool render_border) +{ + float fill_color[4] = {0.0f, 0.0f, 0.0f, 0.25f}; + + if (!rv3d->render_engine || !rv3d->render_engine->text[0]) + return; + + if (render_border) { + /* draw darkened background color. no alpha because border render does + * partial redraw and will not redraw the region behind this info bar */ + float alpha = 1.0f - fill_color[3]; + Camera *camera = ED_view3d_camera_data_get(v3d, rv3d); + + if (camera) { + if (camera->flag & CAM_SHOWPASSEPARTOUT) { + alpha *= (1.0f - camera->passepartalpha); + } + } + + UI_GetThemeColor3fv(TH_HIGH_GRAD, fill_color); + mul_v3_fl(fill_color, alpha); + fill_color[3] = 1.0f; + } + + ED_region_info_draw(ar, rv3d->render_engine->text, fill_color, true); +} + +static bool view3d_stereo3d_active(const bContext *C, Scene *scene, View3D *v3d, RegionView3D *rv3d) +{ + wmWindow *win = CTX_wm_window(C); + + if ((scene->r.scemode & R_MULTIVIEW) == 0) + return false; + + if (WM_stereo3d_enabled(win, true) == false) + return false; + + if ((v3d->camera == NULL) || (v3d->camera->type != OB_CAMERA) || rv3d->persp != RV3D_CAMOB) + return false; + + if (scene->r.views_format & SCE_VIEWS_FORMAT_MULTIVIEW) { + if (v3d->stereo3d_camera == STEREO_MONO_ID) + return false; + + return BKE_scene_multiview_is_stereo3d(&scene->r); + } + + return true; +} + +/* setup the view and win matrices for the multiview cameras + * + * unlike view3d_stereo3d_setup_offscreen, when view3d_stereo3d_setup is called + * we have no winmatrix (i.e., projection matrix) defined at that time. + * Since the camera and the camera shift are needed for the winmat calculation + * we do a small hack to replace it temporarily so we don't need to change the + * view3d)main_region_setup_view() code to account for that. + */ +static void view3d_stereo3d_setup(Scene *scene, View3D *v3d, ARegion *ar) +{ + bool is_left; + const char *names[2] = {STEREO_LEFT_NAME, STEREO_RIGHT_NAME}; + const char *viewname; + + /* show only left or right camera */ + if (v3d->stereo3d_camera != STEREO_3D_ID) + v3d->multiview_eye = v3d->stereo3d_camera; + + is_left = v3d->multiview_eye == STEREO_LEFT_ID; + viewname = names[is_left ? STEREO_LEFT_ID : STEREO_RIGHT_ID]; + + /* update the viewport matrices with the new camera */ + if (scene->r.views_format == SCE_VIEWS_FORMAT_STEREO_3D) { + Camera *data; + float viewmat[4][4]; + float shiftx; + + data = (Camera *)v3d->camera->data; + shiftx = data->shiftx; + + BLI_lock_thread(LOCK_VIEW3D); + data->shiftx = BKE_camera_multiview_shift_x(&scene->r, v3d->camera, viewname); + + BKE_camera_multiview_view_matrix(&scene->r, v3d->camera, is_left, viewmat); + view3d_main_region_setup_view(scene, v3d, ar, viewmat, NULL); + + data->shiftx = shiftx; + BLI_unlock_thread(LOCK_VIEW3D); + } + else { /* SCE_VIEWS_FORMAT_MULTIVIEW */ + float viewmat[4][4]; + Object *view_ob = v3d->camera; + Object *camera = BKE_camera_multiview_render(scene, v3d->camera, viewname); + + BLI_lock_thread(LOCK_VIEW3D); + v3d->camera = camera; + + BKE_camera_multiview_view_matrix(&scene->r, camera, false, viewmat); + view3d_main_region_setup_view(scene, v3d, ar, viewmat, NULL); + + v3d->camera = view_ob; + BLI_unlock_thread(LOCK_VIEW3D); + } +} + +static void view3d_stereo3d_setup_offscreen(Scene *scene, View3D *v3d, ARegion *ar, + float winmat[4][4], const char *viewname) +{ + /* update the viewport matrices with the new camera */ + if (scene->r.views_format == SCE_VIEWS_FORMAT_STEREO_3D) { + float viewmat[4][4]; + const bool is_left = STREQ(viewname, STEREO_LEFT_NAME); + + BKE_camera_multiview_view_matrix(&scene->r, v3d->camera, is_left, viewmat); + view3d_main_region_setup_view(scene, v3d, ar, viewmat, winmat); + } + else { /* SCE_VIEWS_FORMAT_MULTIVIEW */ + float viewmat[4][4]; + Object *camera = BKE_camera_multiview_render(scene, v3d->camera, viewname); + + BKE_camera_multiview_view_matrix(&scene->r, camera, false, viewmat); + view3d_main_region_setup_view(scene, v3d, ar, viewmat, winmat); + } +} + +#ifdef WITH_GAMEENGINE +static void update_lods(Scene *scene, float camera_pos[3]) +{ + Scene *sce_iter; + Base *base; + Object *ob; + + for (SETLOOPER(scene, sce_iter, base)) { + ob = base->object; + BKE_object_lod_update(ob, camera_pos); + } +} +#endif + +static void view3d_main_region_draw_objects(const bContext *C, Scene *scene, View3D *v3d, + ARegion *ar, const char **grid_unit) +{ + wmWindow *win = CTX_wm_window(C); + RegionView3D *rv3d = ar->regiondata; + unsigned int lay_used = v3d->lay_used; + + /* post processing */ + bool do_compositing = false; + + /* shadow buffers, before we setup matrices */ + if (draw_glsl_material(scene, NULL, v3d, v3d->drawtype)) + gpu_update_lamps_shadows_world(scene, v3d); + + /* reset default OpenGL lights if needed (i.e. after preferences have been altered) */ + if (rv3d->rflag & RV3D_GPULIGHT_UPDATE) { + rv3d->rflag &= ~RV3D_GPULIGHT_UPDATE; + GPU_default_lights(); + } + + /* setup the view matrix */ + if (view3d_stereo3d_active(C, scene, v3d, rv3d)) + view3d_stereo3d_setup(scene, v3d, ar); + else + view3d_main_region_setup_view(scene, v3d, ar, NULL, NULL); + + rv3d->rflag &= ~RV3D_IS_GAME_ENGINE; +#ifdef WITH_GAMEENGINE + if (STREQ(scene->r.engine, RE_engine_id_BLENDER_GAME)) { + rv3d->rflag |= RV3D_IS_GAME_ENGINE; + + /* Make sure LoDs are up to date */ + update_lods(scene, rv3d->viewinv[3]); + } +#endif + + /* framebuffer fx needed, we need to draw offscreen first */ + if (v3d->fx_settings.fx_flag && v3d->drawtype >= OB_SOLID) { + GPUFXSettings fx_settings; + BKE_screen_gpu_fx_validate(&v3d->fx_settings); + fx_settings = v3d->fx_settings; + if (!rv3d->compositor) + rv3d->compositor = GPU_fx_compositor_create(); + + if (rv3d->persp == RV3D_CAMOB && v3d->camera) + BKE_camera_to_gpu_dof(v3d->camera, &fx_settings); + else { + fx_settings.dof = NULL; + } + + do_compositing = GPU_fx_compositor_initialize_passes(rv3d->compositor, &ar->winrct, &ar->drawrct, &fx_settings); + } + + /* clear the background */ + view3d_main_region_clear(scene, v3d, ar); + + /* enables anti-aliasing for 3D view drawing */ + if (win->multisamples != USER_MULTISAMPLE_NONE) { + glEnable(GL_MULTISAMPLE); + } + + /* main drawing call */ + view3d_draw_objects(C, scene, v3d, ar, grid_unit, true, false, do_compositing ? rv3d->compositor : NULL); + + /* post process */ + if (do_compositing) { + GPU_fx_do_composite_pass(rv3d->compositor, rv3d->winmat, rv3d->is_persp, scene, NULL); + } + + /* Disable back anti-aliasing */ + if (win->multisamples != USER_MULTISAMPLE_NONE) { + glDisable(GL_MULTISAMPLE); + } + + if (v3d->lay_used != lay_used) { /* happens when loading old files or loading with UI load */ + /* find header and force tag redraw */ + ScrArea *sa = CTX_wm_area(C); + ARegion *ar_header = BKE_area_find_region_type(sa, RGN_TYPE_HEADER); + ED_region_tag_redraw(ar_header); /* can be NULL */ + } + + if ((v3d->flag2 & V3D_RENDER_OVERRIDE) == 0) { + BDR_drawSketch(C); + } + +#ifdef WITH_INPUT_NDOF + if ((U.ndof_flag & NDOF_SHOW_GUIDE) && ((rv3d->viewlock & RV3D_LOCKED) == 0) && (rv3d->persp != RV3D_CAMOB)) + /* TODO: draw something else (but not this) during fly mode */ + draw_rotation_guide(rv3d); +#endif +} + +static bool is_cursor_visible(Scene *scene) +{ + Object *ob = OBACT; + + /* don't draw cursor in paint modes, but with a few exceptions */ + if (ob && ob->mode & OB_MODE_ALL_PAINT) { + /* exception: object is in weight paint and has deforming armature in pose mode */ + if (ob->mode & OB_MODE_WEIGHT_PAINT) { + if (BKE_object_pose_armature_get(ob) != NULL) { + return true; + } + } + /* exception: object in texture paint mode, clone brush, use_clone_layer disabled */ + else if (ob->mode & OB_MODE_TEXTURE_PAINT) { + const Paint *p = BKE_paint_get_active(scene); + + if (p && p->brush && p->brush->imagepaint_tool == PAINT_TOOL_CLONE) { + if ((scene->toolsettings->imapaint.flag & IMAGEPAINT_PROJECT_LAYER_CLONE) == 0) { + return true; + } + } + } + + /* no exception met? then don't draw cursor! */ + return false; + } + + return true; +} + +static void view3d_main_region_draw_info(const bContext *C, Scene *scene, + ARegion *ar, View3D *v3d, + const char *grid_unit, bool render_border) +{ + wmWindowManager *wm = CTX_wm_manager(C); + RegionView3D *rv3d = ar->regiondata; + rcti rect; + + /* local coordinate visible rect inside region, to accomodate overlapping ui */ + ED_region_visible_rect(ar, &rect); + + if (rv3d->persp == RV3D_CAMOB) { + drawviewborder(scene, ar, v3d); + } + else if (v3d->flag2 & V3D_RENDER_BORDER) { + glLineWidth(1.0f); + setlinestyle(3); + cpack(0x4040FF); + + sdrawbox(v3d->render_border.xmin * ar->winx, v3d->render_border.ymin * ar->winy, + v3d->render_border.xmax * ar->winx, v3d->render_border.ymax * ar->winy); + + setlinestyle(0); + } + + if (v3d->flag2 & V3D_SHOW_GPENCIL) { + /* draw grease-pencil stuff - needed to get paint-buffer shown too (since it's 2D) */ + ED_gpencil_draw_view3d(wm, scene, v3d, ar, false); + } + + if ((v3d->flag2 & V3D_RENDER_OVERRIDE) == 0) { + Object *ob; + + /* 3d cursor */ + if (is_cursor_visible(scene)) { + drawcursor(scene, ar, v3d); + } + + if (U.uiflag & USER_SHOW_ROTVIEWICON) + draw_view_axis(rv3d, &rect); + else + draw_view_icon(rv3d, &rect); + + ob = OBACT; + if (U.uiflag & USER_DRAWVIEWINFO) + draw_selected_name(scene, ob, &rect); + } + + if (rv3d->render_engine) { + view3d_main_region_draw_engine_info(v3d, rv3d, ar, render_border); + return; + } + + if ((v3d->flag2 & V3D_RENDER_OVERRIDE) == 0) { + if ((U.uiflag & USER_SHOW_FPS) && ED_screen_animation_no_scrub(wm)) { + ED_scene_draw_fps(scene, &rect); + } + else if (U.uiflag & USER_SHOW_VIEWPORTNAME) { + draw_viewport_name(ar, v3d, &rect); + } + + if (grid_unit) { /* draw below the viewport name */ + char numstr[32] = ""; + + UI_ThemeColor(TH_TEXT_HI); + if (v3d->grid != 1.0f) { + BLI_snprintf(numstr, sizeof(numstr), "%s x %.4g", grid_unit, v3d->grid); + } + + BLF_draw_default_ascii(rect.xmin + U.widget_unit, + rect.ymax - (USER_SHOW_VIEWPORTNAME ? 2 * U.widget_unit : U.widget_unit), 0.0f, + numstr[0] ? numstr : grid_unit, sizeof(numstr)); + } + } +} + +void view3d_main_region_draw_legacy(const bContext *C, ARegion *ar) +{ + Scene *scene = CTX_data_scene(C); + View3D *v3d = CTX_wm_view3d(C); + const char *grid_unit = NULL; + rcti border_rect; + bool render_border, clip_border; + + /* if we only redraw render border area, skip opengl draw and also + * don't do scissor because it's already set */ + render_border = ED_view3d_calc_render_border(scene, v3d, ar, &border_rect); + clip_border = (render_border && !BLI_rcti_compare(&ar->drawrct, &border_rect)); + + /* draw viewport using opengl */ + if (v3d->drawtype != OB_RENDER || !view3d_main_region_do_render_draw(scene) || clip_border) { + view3d_main_region_draw_objects(C, scene, v3d, ar, &grid_unit); + +#ifdef DEBUG_DRAW + bl_debug_draw(); +#endif + if (G.debug & G_DEBUG_SIMDATA) + draw_sim_debug_data(scene, v3d, ar); + + ED_region_pixelspace(ar); + } + + /* draw viewport using external renderer */ + if (v3d->drawtype == OB_RENDER) + view3d_main_region_draw_engine(C, scene, ar, v3d, clip_border, &border_rect); + + view3d_main_region_draw_info(C, scene, ar, v3d, grid_unit, render_border); + + v3d->flag |= V3D_INVALID_BACKBUF; + + BLI_assert(BLI_listbase_is_empty(&v3d->afterdraw_transp)); + BLI_assert(BLI_listbase_is_empty(&v3d->afterdraw_xray)); + BLI_assert(BLI_listbase_is_empty(&v3d->afterdraw_xraytransp)); +} + +#ifdef DEBUG_DRAW +/* debug drawing */ +#define _DEBUG_DRAW_QUAD_TOT 1024 +#define _DEBUG_DRAW_EDGE_TOT 1024 +static float _bl_debug_draw_quads[_DEBUG_DRAW_QUAD_TOT][4][3]; +static int _bl_debug_draw_quads_tot = 0; +static float _bl_debug_draw_edges[_DEBUG_DRAW_QUAD_TOT][2][3]; +static int _bl_debug_draw_edges_tot = 0; +static unsigned int _bl_debug_draw_quads_color[_DEBUG_DRAW_QUAD_TOT]; +static unsigned int _bl_debug_draw_edges_color[_DEBUG_DRAW_EDGE_TOT]; +static unsigned int _bl_debug_draw_color; + +void bl_debug_draw_quad_clear(void) +{ + _bl_debug_draw_quads_tot = 0; + _bl_debug_draw_edges_tot = 0; + _bl_debug_draw_color = 0x00FF0000; +} +void bl_debug_color_set(const unsigned int color) +{ + _bl_debug_draw_color = color; +} +void bl_debug_draw_quad_add(const float v0[3], const float v1[3], const float v2[3], const float v3[3]) +{ + if (_bl_debug_draw_quads_tot >= _DEBUG_DRAW_QUAD_TOT) { + printf("%s: max quad count hit %d!", __func__, _bl_debug_draw_quads_tot); + } + else { + float *pt = &_bl_debug_draw_quads[_bl_debug_draw_quads_tot][0][0]; + copy_v3_v3(pt, v0); pt += 3; + copy_v3_v3(pt, v1); pt += 3; + copy_v3_v3(pt, v2); pt += 3; + copy_v3_v3(pt, v3); pt += 3; + _bl_debug_draw_quads_color[_bl_debug_draw_quads_tot] = _bl_debug_draw_color; + _bl_debug_draw_quads_tot++; + } +} +void bl_debug_draw_edge_add(const float v0[3], const float v1[3]) +{ + if (_bl_debug_draw_quads_tot >= _DEBUG_DRAW_EDGE_TOT) { + printf("%s: max edge count hit %d!", __func__, _bl_debug_draw_edges_tot); + } + else { + float *pt = &_bl_debug_draw_edges[_bl_debug_draw_edges_tot][0][0]; + copy_v3_v3(pt, v0); pt += 3; + copy_v3_v3(pt, v1); pt += 3; + _bl_debug_draw_edges_color[_bl_debug_draw_edges_tot] = _bl_debug_draw_color; + _bl_debug_draw_edges_tot++; + } +} +static void bl_debug_draw(void) +{ + unsigned int color; + if (_bl_debug_draw_quads_tot) { + int i; + color = _bl_debug_draw_quads_color[0]; + cpack(color); + for (i = 0; i < _bl_debug_draw_quads_tot; i ++) { + if (_bl_debug_draw_quads_color[i] != color) { + color = _bl_debug_draw_quads_color[i]; + cpack(color); + } + glBegin(GL_LINE_LOOP); + glVertex3fv(_bl_debug_draw_quads[i][0]); + glVertex3fv(_bl_debug_draw_quads[i][1]); + glVertex3fv(_bl_debug_draw_quads[i][2]); + glVertex3fv(_bl_debug_draw_quads[i][3]); + glEnd(); + } + } + if (_bl_debug_draw_edges_tot) { + int i; + color = _bl_debug_draw_edges_color[0]; + cpack(color); + glBegin(GL_LINES); + for (i = 0; i < _bl_debug_draw_edges_tot; i ++) { + if (_bl_debug_draw_edges_color[i] != color) { + color = _bl_debug_draw_edges_color[i]; + cpack(color); + } + glVertex3fv(_bl_debug_draw_edges[i][0]); + glVertex3fv(_bl_debug_draw_edges[i][1]); + } + glEnd(); + color = _bl_debug_draw_edges_color[0]; + cpack(color); + glPointSize(4.0); + glBegin(GL_POINTS); + for (i = 0; i < _bl_debug_draw_edges_tot; i ++) { + if (_bl_debug_draw_edges_color[i] != color) { + color = _bl_debug_draw_edges_color[i]; + cpack(color); + } + glVertex3fv(_bl_debug_draw_edges[i][0]); + glVertex3fv(_bl_debug_draw_edges[i][1]); + } + glEnd(); + } +} +#endif diff --git a/source/blender/editors/space_view3d/view3d_header.c b/source/blender/editors/space_view3d/view3d_header.c index 3f65ac955d0..32e265cb981 100644 --- a/source/blender/editors/space_view3d/view3d_header.c +++ b/source/blender/editors/space_view3d/view3d_header.c @@ -334,8 +334,10 @@ void uiTemplateHeader3D(uiLayout *layout, struct bContext *C) uiItemMenuEnumO(row, C, "OBJECT_OT_mode_set", "mode", name, icon); } - /* Draw type */ - uiItemR(layout, &v3dptr, "viewport_shade", UI_ITEM_R_ICON_ONLY, "", ICON_NONE); + if (IS_VIEWPORT_LEGACY(v3d)) { + /* Draw type */ + uiItemR(layout, &v3dptr, "viewport_shade", UI_ITEM_R_ICON_ONLY, "", ICON_NONE); + } if (obedit == NULL && is_paint) { if (ob->mode & OB_MODE_ALL_PAINT) { diff --git a/source/blender/editors/space_view3d/view3d_intern.h b/source/blender/editors/space_view3d/view3d_intern.h index a6ef89d9802..179955eb1ae 100644 --- a/source/blender/editors/space_view3d/view3d_intern.h +++ b/source/blender/editors/space_view3d/view3d_intern.h @@ -193,6 +193,9 @@ void draw_sim_debug_data(Scene *scene, View3D *v3d, ARegion *ar); /* view3d_draw.c */ void view3d_main_region_draw(const struct bContext *C, struct ARegion *ar); + +/* view3d_draw_legacy.c */ +void view3d_main_region_draw_legacy(const struct bContext *C, struct ARegion *ar); void ED_view3d_draw_depth(Scene *scene, struct ARegion *ar, View3D *v3d, bool alphaoverride); void ED_view3d_draw_depth_gpencil(Scene *scene, ARegion *ar, View3D *v3d); void ED_view3d_after_add(ListBase *lb, Base *base, const short dflag); @@ -314,5 +317,8 @@ extern unsigned char view3d_camera_border_hack_col[3]; extern bool view3d_camera_border_hack_test; #endif +/* temporary test for blender 2.8 viewport */ +#define IS_VIEWPORT_LEGACY(v3d) (v3d->flag3 & V3D_NEW_VIEWPORT) == 0 + #endif /* __VIEW3D_INTERN_H__ */ diff --git a/source/blender/makesdna/DNA_view3d_types.h b/source/blender/makesdna/DNA_view3d_types.h index 4c243507e82..e1ccfefc155 100644 --- a/source/blender/makesdna/DNA_view3d_types.h +++ b/source/blender/makesdna/DNA_view3d_types.h @@ -319,6 +319,7 @@ typedef struct View3D { /* View3d->flag3 (short) */ #define V3D_SHOW_WORLD (1 << 0) +#define V3D_NEW_VIEWPORT (1 << 1) /* View3D->around */ enum { diff --git a/source/blender/makesrna/intern/rna_space.c b/source/blender/makesrna/intern/rna_space.c index 0cba9033b48..407de341030 100644 --- a/source/blender/makesrna/intern/rna_space.c +++ b/source/blender/makesrna/intern/rna_space.c @@ -2736,6 +2736,12 @@ static void rna_def_space_view3d(BlenderRNA *brna) RNA_def_property_ui_text(prop, "Volume Alpha", "Opacity (alpha) of the cameras' frustum volume"); RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D, NULL); + /* *** Blender 2.8 Viewport temporary *** */ + prop = RNA_def_property(srna, "use_modern_viewport", PROP_BOOLEAN, PROP_NONE); + RNA_def_property_boolean_sdna(prop, NULL, "flag3", V3D_NEW_VIEWPORT); + RNA_def_property_ui_text(prop, "Modern Viewport", "Use modern viewport"); + RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D, NULL); + /* *** Animated *** */ RNA_define_animate_sdna(true); /* region */ |