diff options
Diffstat (limited to 'source/blender/editors/space_view3d/view3d_draw_legacy.c')
-rw-r--r-- | source/blender/editors/space_view3d/view3d_draw_legacy.c | 2182 |
1 files changed, 2182 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..ff9da162777 --- /dev/null +++ b/source/blender/editors/space_view3d/view3d_draw_legacy.c @@ -0,0 +1,2182 @@ +/* + * ***** 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.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 "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_lamp.h" +#include "GPU_material.h" +#include "GPU_compositing.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 *********** */ + +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; + + 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); +} + +/* ********* end custom clipping *********** */ + +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); + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + + UI_icon_draw(5.0 + rect->xmin, 5.0 + rect->ymin, icon); + + glDisable(GL_BLEND); +} + +/* *********************** backdraw for selection *************** */ + +static void backdrawview3d( + const struct EvaluationContext *eval_ctx, Scene *scene, ViewLayer *view_layer, + ARegion *ar, View3D *v3d) +{ + RegionView3D *rv3d = ar->regiondata; + struct Base *base = view_layer->basact; + + BLI_assert(ar->regiontype == RGN_TYPE_WINDOW); + + if (base && (eval_ctx->object_mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT) || + BKE_paint_select_face_test(base->object, eval_ctx->object_mode))) + { + /* do nothing */ + } + /* texture paint mode sampling */ + else if (base && (eval_ctx->object_mode & OB_MODE_TEXTURE_PAINT) && + (v3d->drawtype > OB_WIRE)) + { + /* do nothing */ + } + else if ((base && (eval_ctx->object_mode & OB_MODE_PARTICLE_EDIT)) && + V3D_IS_ZBUF(v3d)) + { + /* do nothing */ + } + else if ((eval_ctx->object_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 (base && ((base->flag & BASE_VISIBLED) != 0)) + draw_object_backbufsel(eval_ctx, 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 (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(const struct EvaluationContext *eval_ctx, ViewContext *vc) +{ + if (vc->v3d->flag & V3D_INVALID_BACKBUF) { + backdrawview3d(eval_ctx, vc->scene, vc->view_layer, 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( + const EvaluationContext *eval_ctx, ViewContext *vc, int x, int y) +{ + if (x >= vc->ar->winx || y >= vc->ar->winy) { + return 0; + } + + ED_view3d_backbuf_validate(eval_ctx, 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( + const EvaluationContext *eval_ctx, 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(eval_ctx, 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( + const EvaluationContext *eval_ctx, 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(eval_ctx, 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, const 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, const 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); + } +} + +/* ****************** 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_legacy & 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( + const EvaluationContext *eval_ctx, Scene *scene, ViewLayer *view_layer, ARegion *ar, View3D *v3d) +{ + View3DAfter *v3da; + + glDepthMask(GL_FALSE); + v3d->transp = true; + + while ((v3da = BLI_pophead(&v3d->afterdraw_transp))) { + draw_object(eval_ctx, scene, view_layer, 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( + const EvaluationContext *eval_ctx, Scene *scene, ViewLayer *view_layer, ARegion *ar, View3D *v3d, bool *clear) +{ + if (*clear && v3d->zbuf) { + glClear(GL_DEPTH_BUFFER_BIT); + *clear = false; + } + + v3d->xray = true; + View3DAfter *v3da; + while ((v3da = BLI_pophead(&v3d->afterdraw_xray))) { + draw_object(eval_ctx, scene, view_layer, ar, v3d, v3da->base, v3da->dflag); + MEM_freeN(v3da); + } + v3d->xray = false; +} + + +/* clears zbuffer and draws it over */ +static void view3d_draw_xraytransp( + const EvaluationContext *eval_ctx, Scene *scene, ViewLayer *view_layer, ARegion *ar, View3D *v3d, const bool clear) +{ + if (clear && v3d->zbuf) + glClear(GL_DEPTH_BUFFER_BIT); + + v3d->xray = true; + v3d->transp = true; + + glDepthMask(GL_FALSE); + + View3DAfter *v3da; + while ((v3da = BLI_pophead(&v3d->afterdraw_xraytransp))) { + draw_object(eval_ctx, scene, view_layer, ar, v3d, v3da->base, v3da->dflag); + MEM_freeN(v3da); + } + + v3d->transp = false; + v3d->xray = false; + + glDepthMask(GL_TRUE); +} + +/* clears zbuffer and draws it over, + * note that in the select version we don't care about transparent flag as with regular drawing */ +static void view3d_draw_xray_select( + const struct EvaluationContext *eval_ctx, Scene *scene, ViewLayer *view_layer, ARegion *ar, View3D *v3d, bool *clear) +{ + /* Not ideal, but we need to read from the previous depths before clearing + * otherwise we could have a function to load the depths after drawing. + * + * Clearing the depth buffer isn't all that common between drawing objects so accept this for now. + */ + if (U.gpu_select_pick_deph) { + GPU_select_load_id(-1); + } + + View3DAfter *v3da; + if (*clear && v3d->zbuf) { + glClear(GL_DEPTH_BUFFER_BIT); + *clear = false; + } + + v3d->xray = true; + while ((v3da = BLI_pophead(&v3d->afterdraw_xray))) { + if (GPU_select_load_id(v3da->base->object->select_color)) { + draw_object_select(eval_ctx, scene, view_layer, ar, v3d, v3da->base, v3da->dflag); + } + MEM_freeN(v3da); + } + v3d->xray = false; +} + +/* *********************** */ + +/* + * 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( + const EvaluationContext *eval_ctx, Scene *scene, ViewLayer *view_layer, ARegion *ar, View3D *v3d, Base *base, + const short dflag, const int color) +{ + RegionView3D *rv3d = ar->regiondata; + ListBase *lb; + LodLevel *savedlod; + Base tbase = {NULL}; + BoundBox bb, *bb_tmp; /* use a copy because draw_object, calls clear_mesh_caches */ + unsigned char color_rgb[3]; + const short dflag_dupli = dflag | DRAW_CONSTCOLOR; + short transflag; + char dt; + short dtx; + DupliApplyData *apply_data; + + if ((base->flag & BASE_VISIBLED) == 0) 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_legacy = OB_FROMDUPLI | base->flag_legacy; + tbase.flag = base->flag; + lb = object_duplilist(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(eval_ctx, base->object, scene, lb); + + DupliObject *dob_next = NULL; + DupliObject *dob = dupli_step(lb->first); + if (dob) dob_next = dupli_step(dob->next); + + for (; 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); + } + + 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)) { + copy_m4_m4(dob->ob->obmat, dob->mat); + GPU_begin_dupli_object(dob); + draw_object(eval_ctx, scene, view_layer, 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); +} + +void draw_dupli_objects(const EvaluationContext *eval_ctx, Scene *scene, ViewLayer *view_layer, 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 & BASE_SELECTED) ? TH_SELECT : TH_WIRE; + /* debug */ + if (base->object->dup_group && base->object->dup_group->id.us < 1) + color = TH_REDALERT; + + draw_dupli_objects_color(eval_ctx, scene, view_layer, ar, v3d, base, 0, color); +} + +/* 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( + const EvaluationContext *eval_ctx, Scene *scene, ARegion *ar, View3D *v3d) +{ + bool zbuf = v3d->zbuf; + + /* Setup view matrix. */ + ED_view3d_draw_setup_view(NULL, eval_ctx, 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, eval_ctx->view_layer, eval_ctx->depsgraph, v3d, ar, true); + } + + v3d->zbuf = zbuf; + if (!zbuf) glDisable(GL_DEPTH_TEST); +} + +void ED_view3d_draw_depth_loop(const EvaluationContext *eval_ctx, Scene *scene, ARegion *ar, View3D *v3d) +{ + Base *base; + ViewLayer *view_layer = eval_ctx->view_layer; + /* no need for color when drawing depth buffer */ + const short dflag_depth = DRAW_CONSTCOLOR; + + /* draw set first */ + if (scene->set) { + Scene *sce_iter; + for (SETLOOPER(scene->set, sce_iter, base)) { + if ((base->flag & BASE_VISIBLED) != 0) { + draw_object(eval_ctx, scene, view_layer, ar, v3d, base, 0); + if (base->object->transflag & OB_DUPLI) { + draw_dupli_objects_color(eval_ctx, scene, view_layer, ar, v3d, base, dflag_depth, TH_UNDEFINED); + } + } + } + } + + for (base = view_layer->object_bases.first; base; base = base->next) { + if ((base->flag & BASE_VISIBLED) != 0) { + /* dupli drawing */ + if (base->object->transflag & OB_DUPLI) { + draw_dupli_objects_color(eval_ctx, scene, view_layer, ar, v3d, base, dflag_depth, TH_UNDEFINED); + } + draw_object(eval_ctx, scene, view_layer, 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(eval_ctx, scene, view_layer, 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(eval_ctx, scene, view_layer, ar, v3d, v3da->base, dflag_depth); + MEM_freeN(v3da); + } + + v3d->xray = true; + v3d->transp = false; + while ((v3da = BLI_pophead(&v3d->afterdraw_xray))) { + draw_object(eval_ctx, scene, view_layer, ar, v3d, v3da->base, dflag_depth); + MEM_freeN(v3da); + } + + v3d->xray = true; + v3d->transp = true; + while ((v3da = BLI_pophead(&v3d->afterdraw_xraytransp))) { + draw_object(eval_ctx, scene, view_layer, ar, v3d, v3da->base, dflag_depth); + MEM_freeN(v3da); + } + + + v3d->xray = false; + v3d->transp = false; + + glDepthMask(mask_orig); + } +} + +void ED_view3d_draw_select_loop( + const struct EvaluationContext *eval_ctx, ViewContext *vc, Scene *scene, ViewLayer *view_layer, + View3D *v3d, ARegion *ar, bool use_obedit_skip, bool use_nearest) +{ + struct bThemeState theme_state; + + short code = 1; + const short dflag = DRAW_PICKING | DRAW_CONSTCOLOR; + + /* Tools may request depth outside of regular drawing code. */ + UI_Theme_Store(&theme_state); + UI_SetTheme(SPACE_VIEW3D, RGN_TYPE_WINDOW); + + if (vc->obedit && vc->obedit->type == OB_MBALL) { + draw_object(eval_ctx, scene, view_layer, ar, v3d, BASACT(view_layer), dflag); + } + else if ((vc->obedit && vc->obedit->type == OB_ARMATURE)) { + /* if not drawing sketch, draw bones */ + if (!BDR_drawSketchNames(vc)) { + draw_object(eval_ctx, scene, view_layer, ar, v3d, BASACT(view_layer), dflag); + } + } + else { + Base *base; + + for (base = view_layer->object_bases.first; base; base = base->next) { + if ((base->flag & BASE_VISIBLED) != 0) { + if (((base->flag & BASE_SELECTABLED) == 0) || + (use_obedit_skip && (vc->obedit->data == base->object->data))) + { + base->object->select_color = 0; + } + else { + base->object->select_color = code; + + if (use_nearest && (base->object->dtx & OB_DRAWXRAY)) { + ED_view3d_after_add(&v3d->afterdraw_xray, base, dflag); + } + else { + if (GPU_select_load_id(code)) { + draw_object(eval_ctx, scene, view_layer, ar, v3d, base, dflag); + } + } + code++; + } + } + } + + if (use_nearest) { + bool xrayclear = true; + if (v3d->afterdraw_xray.first) { + view3d_draw_xray_select(eval_ctx, scene, view_layer, ar, v3d, &xrayclear); + } + } + } + + UI_Theme_Restore(&theme_state); +} + +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) +{ + GPULamp *lamp = GPU_lamp_from_blender(scene, ob, par); + + if (lamp) { + Lamp *la = (Lamp *)ob->data; + + GPU_lamp_update(lamp, lay, (ob->restrictflag & OB_RESTRICT_RENDER), obmat); + GPU_lamp_update_colors(lamp, la->r, la->g, la->b, la->energy); + + unsigned int layers = lay & v3d->lay; + + if (layers && + GPU_lamp_has_shadow_buffer(lamp) && + /* keep last, may do string lookup */ + GPU_lamp_visible(lamp, NULL)) + { + View3DShadow *shadow = MEM_callocN(sizeof(View3DShadow), "View3DShadow"); + shadow->lamp = lamp; + BLI_addtail(shadows, shadow); + } + } +} + +static void gpu_update_lamps_shadows_world(const EvaluationContext *eval_ctx, Scene *scene, View3D *v3d) +{ + ListBase shadows; + Scene *sce_iter; + Base *base; + World *world = scene->world; + + BLI_listbase_clear(&shadows); + + /* update lamp transform and gather shadow lamps */ + for (SETLOOPER(scene, sce_iter, base)) { + Object *ob = base->object; + + if (ob->type == OB_LAMP) + gpu_render_lamp_update(scene, v3d, ob, NULL, ob->obmat, ob->lay, &shadows); + + 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); + + free_object_duplilist(lb); + } + } + + /* render shadows after updating all lamps, nested object_duplilist + * don't work correct since it's replacing object matrices */ + for (View3DShadow *shadow = shadows.first; shadow; shadow = shadow->next) { + /* this needs to be done better .. */ + float viewmat[4][4], winmat[4][4]; + ARegion ar = {NULL}; + RegionView3D rv3d = {{{0}}}; + + int drawtype = v3d->drawtype; + int lay = v3d->lay; + int flag2 = v3d->flag2; + + 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; + + int winsize; + 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( + eval_ctx, scene, eval_ctx->view_layer, v3d, &ar, winsize, winsize, viewmat, winmat, + false, false, true, + NULL, 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_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 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; +} + +/** + * 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, + const EvaluationContext *eval_ctx, + Scene *scene, View3D *v3d, ARegion *ar, + const char **grid_unit, + const bool do_bgpic, const bool draw_offscreen, GPUFX *fx) +{ + ViewLayer *view_layer = C ? CTX_data_view_layer(C) : BKE_view_layer_from_scene_get(scene); + Depsgraph *depsgraph = CTX_data_depsgraph(C); + RegionView3D *rv3d = ar->regiondata; + Base *base; + Object *obedit = OBEDIT_FROM_EVAL_CTX(eval_ctx); + 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 */ + v3d->zbuf = VP_legacy_use_depth(v3d, obedit); + + 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... */ + VP_legacy_drawgrid(&scene->unit, ar, v3d, grid_unit); + gpuLoadProjectionMatrix(rv3d->winmat); + gpuLoadMatrix(rv3d->viewmat); + } + else if (!draw_grids_after) { + VP_legacy_drawfloor(scene, v3d, grid_unit, true); + } + } + + /* important to do before clipping */ + if (do_bgpic) { + ED_view3d_draw_bgpic_test(scene, depsgraph, 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 ((base->flag & BASE_VISIBLED) != 0) { + UI_ThemeColorBlend(TH_WIRE, TH_BACK, 0.6f); + draw_object(eval_ctx, scene, view_layer, ar, v3d, base, dflag); + + if (base->object->transflag & OB_DUPLI) { + draw_dupli_objects_color(eval_ctx, scene, view_layer, ar, v3d, base, dflag, TH_UNDEFINED); + } + } + } + + /* Transp and X-ray afterdraw stuff for sets is done later */ + } + + if (draw_offscreen) { + for (base = view_layer->object_bases.first; base; base = base->next) { + if ((base->flag & BASE_VISIBLED) != 0) { + /* dupli drawing */ + if (base->object->transflag & OB_DUPLI) { + draw_dupli_objects(eval_ctx, scene, view_layer, ar, v3d, base); + } + + draw_object(eval_ctx, scene, view_layer, ar, v3d, base, 0); + } + } + } + else { + unsigned int lay_used = 0; + + /* then draw not selected and the duplis, but skip editmode object */ + for (base = view_layer->object_bases.first; base; base = base->next) { + lay_used |= base->lay; + + if ((base->flag & BASE_VISIBLED) != 0) { + + /* dupli drawing */ + if (base->object->transflag & OB_DUPLI) { + draw_dupli_objects(eval_ctx, scene, view_layer, ar, v3d, base); + } + if ((base->flag & BASE_SELECTED) == 0) { + if (base->object != obedit) + draw_object(eval_ctx, scene, view_layer, ar, v3d, base, 0); + } + } + } + + /* mask out localview */ + v3d->lay_used = lay_used & ((1 << 20) - 1); + + /* draw selected and editmode */ + for (base = view_layer->object_bases.first; base; base = base->next) { + if ((base->flag & BASE_VISIBLED) != 0) { + if (base->object == obedit || (base->flag & BASE_SELECTED)) { + draw_object(eval_ctx, scene, view_layer, ar, v3d, base, 0); + } + } + } + } + + /* perspective floor goes last to use scene depth and avoid writing to depth buffer */ + if (draw_grids_after) { + VP_legacy_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, view_layer, depsgraph, v3d, ar, true); + if (v3d->zbuf) glEnable(GL_DEPTH_TEST); + } + + /* transp and X-ray afterdraw stuff */ + if (v3d->afterdraw_transp.first) view3d_draw_transp(eval_ctx, scene, view_layer, 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(eval_ctx, scene, view_layer, ar, v3d, &xrayclear); + if (v3d->afterdraw_xraytransp.first) view3d_draw_xraytransp(eval_ctx, scene, view_layer, 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) { + ED_view3d_draw_bgpic_test(scene, depsgraph, ar, v3d, true, do_camera_frame); + } + + /* cleanup */ + if (v3d->zbuf) { + v3d->zbuf = false; + glDisable(GL_DEPTH_TEST); + } + + if ((v3d->flag2 & V3D_RENDER_SHADOW) == 0) { + GPU_free_images_old(); + } +} + +/** + * 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->view_render.engine_id); + return (type && type->view_update && type->render_to_view); +} + +bool ED_view3d_calc_render_border(const Scene *scene, const 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; +} + +/** + * IMPORTANT: this is deprecated, any changes made in this function should + * be mirrored in view3d_draw_render_draw() in view3d_draw.c + */ +static bool view3d_main_region_draw_engine( + const bContext *C, const EvaluationContext *eval_ctx, Scene *scene, + ARegion *ar, View3D *v3d, + bool clip_border, const rcti *border_rect) +{ + const Depsgraph *depsgraph = CTX_data_depsgraph(C); + RegionView3D *rv3d = ar->regiondata; + RenderEngineType *type; + GLint scissor[4]; + + /* create render engine */ + if (!rv3d->render_engine) { + RenderEngine *engine; + type = RE_engines_find(scene->view_render.engine_id); + + if (!(type->view_update && type->render_to_view)) + 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 */ + VP_legacy_view3d_main_region_setup_view(eval_ctx, 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); + + bool show_image = false; + { + Camera *cam = ED_view3d_camera_data_get(v3d, rv3d); + if (cam->flag & CAM_SHOW_BG_IMAGE) { + show_image = true; + ED_view3d_draw_bgpic_test(scene, depsgraph, ar, v3d, false, true); + } + else { + imm_draw_box_checker_2d(0, 0, ar->winx, ar->winy); + } + } + + if (show_image) { + ED_view3d_draw_bgpic_test(scene, depsgraph, ar, v3d, false, true); + } + else { + imm_draw_box_checker_2d(0, 0, ar->winx, ar->winy); + } + + /* render result draw */ + type = rv3d->render_engine->type; + type->render_to_view(rv3d->render_engine, C); + + if (show_image) { + ED_view3d_draw_bgpic_test(scene, depsgraph, 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); +} + +#ifdef WITH_GAMEENGINE +static void update_lods(Scene *scene, float camera_pos[3]) +{ + Scene *sce_iter; + Base *base; + + for (SETLOOPER(scene, sce_iter, base)) { + Object *ob = base->object; + BKE_object_lod_update(ob, camera_pos); + } +} +#endif + +static void view3d_main_region_draw_objects( + const bContext *C, Scene *scene, ViewLayer *view_layer, View3D *v3d, + ARegion *ar, const char **grid_unit) +{ + wmWindow *win = CTX_wm_window(C); + EvaluationContext eval_ctx; + RegionView3D *rv3d = ar->regiondata; + unsigned int lay_used = v3d->lay_used; + + CTX_data_eval_ctx(C, &eval_ctx); + + /* post processing */ + bool do_compositing = false; + + /* shadow buffers, before we setup matrices */ + if (draw_glsl_material(&eval_ctx, scene, view_layer, NULL, v3d, v3d->drawtype)) + gpu_update_lamps_shadows_world(&eval_ctx, 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 (VP_legacy_view3d_stereo3d_active(win, scene, v3d, rv3d)) { + VP_legacy_view3d_stereo3d_setup(&eval_ctx, scene, v3d, ar); + } + else { + VP_legacy_view3d_main_region_setup_view(&eval_ctx, scene, v3d, ar, NULL, NULL); + } + + rv3d->rflag &= ~RV3D_IS_GAME_ENGINE; +#ifdef WITH_GAMEENGINE + if (STREQ(scene->view_render.engine_id, 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) { + BKE_screen_gpu_fx_validate(&v3d->fx_settings); + GPUFXSettings 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); + } + + /* main drawing call */ + view3d_draw_objects(C, &eval_ctx, 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); + } + + 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); + } +} + +static void view3d_main_region_draw_info( + const bContext *C, Scene *scene, + ARegion *ar, View3D *v3d, + const char *grid_unit, bool render_border) +{ + EvaluationContext eval_ctx; + CTX_data_eval_ctx(C, &eval_ctx); + const Depsgraph *depsgraph = CTX_data_depsgraph(C); + ViewLayer *view_layer = CTX_data_view_layer(C); + 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) { + VP_drawviewborder(scene, CTX_data_depsgraph(C), ar, v3d); + } + else if (v3d->flag2 & V3D_RENDER_BORDER) { + VP_drawrenderborder(ar, v3d); + } + + 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, view_layer, depsgraph, v3d, ar, false); + } + + if ((v3d->flag2 & V3D_RENDER_OVERRIDE) == 0) { + VP_legacy_drawcursor(&eval_ctx, scene, view_layer, ar, v3d); /* 3D cursor */ + + if (U.uiflag & USER_SHOW_ROTVIEWICON) + VP_legacy_draw_view_axis(rv3d, &rect); + else + draw_view_icon(rv3d, &rect); + + if (U.uiflag & USER_DRAWVIEWINFO) { + Object *ob = OBACT(view_layer); + VP_legacy_draw_selected_name(scene, ob, eval_ctx.object_mode, &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) { + VP_legacy_draw_viewport_name(ar, v3d, &rect); + } + + if (grid_unit) { /* draw below the viewport name */ + char numstr[32] = ""; + + UI_FontThemeColor(BLF_default(), 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) +{ + const Depsgraph *depsgraph = CTX_data_depsgraph(C); + EvaluationContext eval_ctx; + Scene *scene = CTX_data_scene(C); + ViewLayer *view_layer = CTX_data_view_layer(C); + View3D *v3d = CTX_wm_view3d(C); + const char *grid_unit = NULL; + rcti border_rect; + + /* if we only redraw render border area, skip opengl draw and also + * don't do scissor because it's already set */ + bool render_border = ED_view3d_calc_render_border(scene, depsgraph, v3d, ar, &border_rect); + bool clip_border = (render_border && !BLI_rcti_compare(&ar->drawrct, &border_rect)); + + gpuPushProjectionMatrix(); + gpuLoadIdentityProjectionMatrix(); + gpuPushMatrix(); + gpuLoadIdentity(); + + CTX_data_eval_ctx(C, &eval_ctx); + + /* draw viewport using opengl */ + if (v3d->drawtype != OB_RENDER || !view3d_main_region_do_render_draw(scene) || clip_border) { + VP_view3d_main_region_clear(scene, v3d, ar); /* background */ + view3d_main_region_draw_objects(C, scene, view_layer, v3d, ar, &grid_unit); + + if (G.debug & G_DEBUG_SIMDATA) + draw_sim_debug_data(scene, v3d, ar); + + glDisable(GL_DEPTH_TEST); + ED_region_pixelspace(ar); + } + + /* draw viewport using external renderer */ + if (v3d->drawtype == OB_RENDER) { + view3d_main_region_draw_engine(C, &eval_ctx, scene, ar, v3d, clip_border, &border_rect); + } + + VP_legacy_view3d_main_region_setup_view(&eval_ctx, scene, v3d, ar, NULL, NULL); + glClear(GL_DEPTH_BUFFER_BIT); + + WM_manipulatormap_draw(ar->manipulator_map, C, WM_MANIPULATORMAP_DRAWSTEP_3D); + + ED_region_pixelspace(ar); + + view3d_main_region_draw_info(C, scene, ar, v3d, grid_unit, render_border); + + WM_manipulatormap_draw(ar->manipulator_map, C, WM_MANIPULATORMAP_DRAWSTEP_2D); + + gpuPopProjectionMatrix(); + gpuPopMatrix(); + + 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)); +} + + +/* -------------------------------------------------------------------- */ + +/** \name Deprecated Interface + * + * New viewport sometimes has a check for new/old viewport code. + * Use these functions so new viewport can *optionally* call. + * + * \{ */ + + +void VP_deprecated_view3d_draw_objects( + const bContext *C, + const EvaluationContext *eval_ctx, + Scene *scene, View3D *v3d, ARegion *ar, + const char **grid_unit, + const bool do_bgpic, const bool draw_offscreen, GPUFX *fx) +{ + view3d_draw_objects(C, eval_ctx, scene, v3d, ar, grid_unit, do_bgpic, draw_offscreen, fx); +} + +void VP_deprecated_gpu_update_lamps_shadows_world(const EvaluationContext *eval_ctx, Scene *scene, View3D *v3d) +{ + gpu_update_lamps_shadows_world(eval_ctx, scene, v3d); +} + +/** \} */ |