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Diffstat (limited to 'source/blender/editors/space_view3d/view3d_draw_legacy.c')
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_draw_legacy.c | 1077 |
1 files changed, 1077 insertions, 0 deletions
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..3a89c910ea8 --- /dev/null +++ b/source/blender/editors/space_view3d/view3d_draw_legacy.c @@ -0,0 +1,1077 @@ +/* + * ***** 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_legacy.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_2d.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_layer.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 "DEG_depsgraph.h" +#include "DEG_depsgraph_query.h" + +#include "IMB_imbuf_types.h" +#include "IMB_imbuf.h" +#include "IMB_colormanagement.h" + +#include "BIF_glutil.h" + +#include "WM_api.h" +#include "WM_types.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_extensions.h" +#include "GPU_immediate.h" +#include "GPU_immediate_util.h" +#include "GPU_select.h" +#include "GPU_matrix.h" + +#include "RE_engine.h" + +#include "DRW_engine.h" + +#include "view3d_intern.h" /* own include */ + +/* ********* custom clipping *********** */ + +void ED_view3d_clipping_set(RegionView3D *rv3d) +{ + double plane[4]; + const unsigned int tot = (rv3d->viewlock & RV3D_BOXCLIP) ? 4 : 6; + + for (unsigned 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) +{ + for (unsigned a = 0; a < 6; a++) { + glDisable(GL_CLIP_PLANE0 + a); + } +} +void ED_view3d_clipping_enable(void) +{ + for (unsigned 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); +} + +/* *********************** backdraw for selection *************** */ + +static void backdrawview3d( + struct Depsgraph *depsgraph, Scene *scene, + ARegion *ar, View3D *v3d, + Object *obact, Object *obedit, + short select_mode) +{ + RegionView3D *rv3d = ar->regiondata; + Scene *scene_eval = (Scene *)DEG_get_evaluated_id(depsgraph, &scene->id); + Object *obact_eval = DEG_get_evaluated_object(depsgraph, obact); + + BLI_assert(ar->regiontype == RGN_TYPE_WINDOW); + + if (obact_eval && (obact_eval->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT) || + BKE_paint_select_face_test(obact_eval))) + { + /* do nothing */ + } + /* texture paint mode sampling */ + else if (obact_eval && (obact_eval->mode & OB_MODE_TEXTURE_PAINT) && + (v3d->drawtype > OB_WIRE)) + { + /* do nothing */ + } + else if ((obact_eval && (obact_eval->mode & OB_MODE_PARTICLE_EDIT)) && + V3D_IS_ZBUF(v3d)) + { + /* do nothing */ + } + else if ((obedit && (obedit->mode & OB_MODE_EDIT)) && + 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); + + if (false) { + /* 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. + * + * NOTE: code is no longer used now, but offscreen drawing is likely + * what we will always want to do for the new viewport. */ + 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, true, false, 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 (obact_eval && ((obact_eval->base_flag & BASE_VISIBLED) != 0)) { + draw_object_backbufsel(depsgraph, scene_eval, v3d, rv3d, obact_eval, select_mode); + } + + if (rv3d->gpuoffscreen) + GPU_offscreen_unbind(rv3d->gpuoffscreen, true); + + v3d->flag &= ~V3D_INVALID_BACKBUF; + + G.f &= ~G_BACKBUFSEL; + v3d->zbuf = false; + glDisable(GL_DEPTH_TEST); + glEnable(GL_DITHER); + + 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_with_select_mode(ViewContext *vc, short select_mode) +{ + if (vc->v3d->flag & V3D_INVALID_BACKBUF) { + backdrawview3d(vc->depsgraph, vc->scene, vc->ar, vc->v3d, vc->obact, vc->obedit, select_mode); + } +} + +void ED_view3d_backbuf_validate(ViewContext *vc) +{ + ED_view3d_backbuf_validate_with_select_mode(vc, -1); +} + +/** + * 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) +{ + if (x >= vc->ar->winx || y >= vc->ar->winy) { + return 0; + } + + ED_view3d_backbuf_validate(vc); + + unsigned int col; + 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) +{ + /* 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; + } + + ImBuf *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 */ + const int size[2] = { + (xmax - xmin + 1), + (ymax - ymin + 1)}; + + ImBuf *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) +{ + int dirvec[4][2]; + + const int amount = (size - 1) / 2; + + const int minx = mval[0] - (amount + 1); + const int miny = mval[1] - (amount + 1); + ImBuf *buf = ED_view3d_backbuf_read(vc, minx, miny, minx + size - 1, miny + size - 1); + if (!buf) return 0; + + unsigned index = 0; + int 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; + + const unsigned *bufmin = buf->rect; + const unsigned *tbuf = buf->rect; + const unsigned *bufmax = buf->rect + size * size; + tbuf += amount * size + amount; + + for (int nr = 1; nr <= size; nr++) { + for (int a = 0; a < 2; a++) { + for (int 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, Depsgraph *depsgraph, + ARegion *ar, View3D *v3d, + const bool do_foreground, const bool do_camera_frame) +{ + RegionView3D *rv3d = ar->regiondata; + int fg_flag = do_foreground ? CAM_BGIMG_FLAG_FOREGROUND : 0; + if (v3d->camera == NULL || v3d->camera->type != OB_CAMERA) { + return; + } + Camera *cam = v3d->camera->data; + + for (CameraBGImage *bgpic = cam->bg_images.first; bgpic; bgpic = bgpic->next) { + bgpic->iuser.scene = scene; /* Needed for render results. */ + + if ((bgpic->flag & CAM_BGIMG_FLAG_FOREGROUND) != fg_flag) + continue; + + { + float image_aspect[2]; + float x1, y1, x2, y2, centx, centy; + + void *lock; + + Image *ima = NULL; + + /* disable individual images */ + if ((bgpic->flag & CAM_BGIMG_FLAG_DISABLED)) + continue; + + ImBuf *ibuf = NULL; + ImBuf *freeibuf = NULL; + ImBuf *releaseibuf = NULL; + if (bgpic->source == CAM_BGIMG_SOURCE_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 == CAM_BGIMG_SOURCE_MOVIE) { + /* TODO: skip drawing when out of frame range (as image sequences do above) */ + MovieClip *clip = NULL; + + if (bgpic->flag & CAM_BGIMG_FLAG_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); + + BLI_assert(rv3d->persp == RV3D_CAMOB); + { + if (do_camera_frame) { + rctf vb; + ED_view3d_calc_camera_border(scene, depsgraph, 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->offset[0] * max_dim; + const float yof_scale = bgpic->offset[1] * max_dim; + + x1 += xof_scale; + y1 += yof_scale; + x2 += xof_scale; + y2 += yof_scale; + } + + centx = (x1 + x2) * 0.5f; + centy = (y1 + y2) * 0.5f; + + /* aspect correction */ + if (bgpic->flag & CAM_BGIMG_FLAG_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 & CAM_BGIMG_FLAG_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; + } + } + } + } + + /* complete clip? */ + rctf clip_rect; + 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; + } + + float zoomx = (x2 - x1) / ibuf->x; + float 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(GL_FALSE); + + glEnable(GL_BLEND); + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + + gpuPushProjectionMatrix(); + gpuPushMatrix(); + ED_region_pixelspace(ar); + + gpuTranslate2f(centx, centy); + gpuScaleUniform(bgpic->scale); + gpuRotate2D(RAD2DEGF(-bgpic->rotation)); + + if (bgpic->flag & CAM_BGIMG_FLAG_FLIP_X) { + zoomx *= -1.0f; + x1 = x2; + } + if (bgpic->flag & CAM_BGIMG_FLAG_FLIP_Y) { + zoomy *= -1.0f; + y1 = y2; + } + + float col[4] = {1.0f, 1.0f, 1.0f, bgpic->alpha}; + IMMDrawPixelsTexState state = immDrawPixelsTexSetup(GPU_SHADER_2D_IMAGE_COLOR); + immDrawPixelsTex(&state, x1 - centx, y1 - centy, ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, GL_LINEAR, ibuf->rect, + zoomx, zoomy, col); + + gpuPopProjectionMatrix(); + gpuPopMatrix(); + + glDisable(GL_BLEND); + + glDepthMask(GL_TRUE); + if (v3d->zbuf) glEnable(GL_DEPTH_TEST); + + if (freeibuf) + IMB_freeImBuf(freeibuf); + if (releaseibuf) + BKE_image_release_ibuf(ima, releaseibuf, lock); + } + } +} + +void ED_view3d_draw_bgpic_test( + Scene *scene, Depsgraph *depsgraph, + ARegion *ar, View3D *v3d, + const bool do_foreground, const bool do_camera_frame) +{ + RegionView3D *rv3d = ar->regiondata; + + if ((rv3d->persp == RV3D_CAMOB) && v3d->camera && (v3d->camera->type == OB_CAMERA)) { + Camera *cam = v3d->camera->data; + if ((cam->flag & CAM_SHOW_BG_IMAGE) == 0) { + return; + } + } + else { + 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, depsgraph, ar, v3d, do_foreground, do_camera_frame); + } + } + else { + view3d_draw_bgpic(scene, depsgraph, ar, v3d, do_foreground, do_camera_frame); + } +} + +/* *********************** */ + +/* XXX warning, not using gpu offscreen here */ +void view3d_update_depths_rect(ARegion *ar, ViewDepths *d, rcti *rect) +{ + /* clamp rect by region */ + rcti r = { + .xmin = 0, + .xmax = ar->winx - 1, + .ymin = 0, + .ymax = ar->winy - 1 + }; + + /* Constrain rect to depth bounds */ + BLI_rcti_isect(&r, rect, rect); + + /* assign values to compare with the ViewDepths */ + int x = rect->xmin; + int y = rect->ymin; + + int w = BLI_rcti_size_x(rect); + int 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( + Depsgraph *depsgraph, Scene *scene, ARegion *ar, View3D *v3d) +{ + ViewLayer *view_layer = DEG_get_evaluated_view_layer(depsgraph); + bool zbuf = v3d->zbuf; + + /* Setup view matrix. */ + ED_view3d_draw_setup_view(NULL, depsgraph, scene, ar, v3d, NULL, NULL, NULL); + + glClear(GL_DEPTH_BUFFER_BIT); + + v3d->zbuf = true; + glEnable(GL_DEPTH_TEST); + + if (v3d->flag2 & V3D_SHOW_GPENCIL) { + ED_gpencil_draw_view3d(NULL, scene, view_layer, depsgraph, v3d, ar, true); + } + + v3d->zbuf = zbuf; + if (!zbuf) glDisable(GL_DEPTH_TEST); +} + +/* *********************** customdata **************** */ + +CustomDataMask ED_view3d_datamask(const Scene *UNUSED(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_MLOOPUV | CD_MASK_MLOOPCOL; + + if (drawtype == OB_MATERIAL) + mask |= CD_MASK_ORCO; + } + + return mask; +} + +/* goes over all modes and view3d settings */ +CustomDataMask ED_view3d_screen_datamask(const Scene *scene, const bScreen *screen) +{ + CustomDataMask mask = CD_MASK_BAREMESH; + + /* check if we need tfaces & mcols due to view mode */ + for (const ScrArea *sa = screen->areabase.first; sa; sa = sa->next) { + if (sa->spacetype == SPACE_VIEW3D) { + mask |= ED_view3d_datamask(scene, sa->spacedata.first); + } + } + + return mask; +} + +/** + * 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; +}; + +struct RV3DMatrixStore *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, struct RV3DMatrixStore *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; +} + +/** + * \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; + char printable[16]; + + 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)); + + float fps = 0.0f; + int tot = 0; + for (int i = 0; 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 + + const int font_id = BLF_default(); + + /* is this more than half a frame behind? */ + if (fps + 0.5f < (float)(FPS)) { + UI_FontThemeColor(font_id, TH_REDALERT); + BLI_snprintf(printable, sizeof(printable), IFACE_("fps: %.2f"), fps); + } + else { + UI_FontThemeColor(font_id, 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(const Scene *scene) +{ + RenderEngineType *type = RE_engines_find(scene->r.engine); + return (type && type->view_update && type->view_draw); +} + +bool ED_view3d_calc_render_border(const Scene *scene, Depsgraph *depsgraph, View3D *v3d, ARegion *ar, rcti *rect) +{ + RegionView3D *rv3d = ar->regiondata; + 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) { + rctf viewborder; + ED_view3d_calc_camera_border(scene, depsgraph, 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; +} |