void BKE_texture_get_value_ex( const Scene *scene, Tex *texture, float *tex_co, TexResult *texres, struct ImagePool *pool, bool use_color_management) { int result_type; bool do_color_manage = false; if (scene && use_color_management) { do_color_manage = BKE_scene_check_color_management_enabled(scene); } /* no node textures for now */ result_type = multitex_ext_safe(texture, tex_co, texres, pool, do_color_manage, false); /* if the texture gave an RGB value, we assume it didn't give a valid * intensity, since this is in the context of modifiers don't use perceptual color conversion. * if the texture didn't give an RGB value, copy the intensity across */ if (result_type & TEX_RGB) { texres->tin = (1.0f / 3.0f) * (texres->tr + texres->tg + texres->tb); } else { copy_v3_fl(&texres->tr, texres->tin); } }
BlenderWorldInfo::BlenderWorldInfo(struct Scene *blenderscene, struct World *blenderworld) { if (blenderworld) { m_hasworld = true; // do we have mist? if ((blenderworld->mode) & WO_MIST) { m_hasmist = true; m_miststart = blenderworld->miststa; m_mistdistance = blenderworld->mistdist; copy_v3_v3(m_mistcolor, &blenderworld->horr); } else { m_hasmist = false; m_miststart = 0.0; m_mistdistance = 0.0; zero_v3(m_mistcolor); } copy_v3_v3(m_backgroundcolor, &blenderworld->horr); copy_v3_v3(m_ambientcolor, &blenderworld->ambr); if (BKE_scene_check_color_management_enabled(blenderscene)) { linearrgb_to_srgb_v3_v3(m_mistcolor, m_mistcolor); linearrgb_to_srgb_v3_v3(m_backgroundcolor, m_backgroundcolor); linearrgb_to_srgb_v3_v3(m_ambientcolor, m_ambientcolor); } } else { m_hasworld = false; } }
static void draw_textured_begin(Scene *scene, View3D *v3d, RegionView3D *rv3d, Object *ob) { unsigned char obcol[4]; bool is_tex, solidtex; Mesh *me = ob->data; /* XXX scene->obedit warning */ /* texture draw is abused for mask selection mode, do this so wire draw * with face selection in weight paint is not lit. */ if ((v3d->drawtype <= OB_WIRE) && (ob->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT))) { solidtex = false; Gtexdraw.is_lit = 0; } else if (v3d->drawtype == OB_SOLID || ((ob->mode & OB_MODE_EDIT) && v3d->drawtype != OB_TEXTURE)) { /* draw with default lights in solid draw mode and edit mode */ solidtex = true; Gtexdraw.is_lit = -1; } else { /* draw with lights in the scene otherwise */ solidtex = false; if (v3d->flag2 & V3D_SHADELESS_TEX) Gtexdraw.is_lit = 0; else Gtexdraw.is_lit = GPU_scene_object_lights(scene, ob, v3d->lay, rv3d->viewmat, !rv3d->is_persp); } rgba_float_to_uchar(obcol, ob->col); if (solidtex || v3d->drawtype == OB_TEXTURE) is_tex = true; else is_tex = false; Gtexdraw.ob = ob; Gtexdraw.is_tex = is_tex; Gtexdraw.color_profile = BKE_scene_check_color_management_enabled(scene); Gtexdraw.use_game_mat = (RE_engines_find(scene->r.engine)->flag & RE_GAME) != 0; Gtexdraw.use_backface_culling = (v3d->flag2 & V3D_BACKFACE_CULLING) != 0; memcpy(Gtexdraw.obcol, obcol, sizeof(obcol)); set_draw_settings_cached(1, NULL, NULL, Gtexdraw); glShadeModel(GL_SMOOTH); glCullFace(GL_BACK); glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, (me->flag & ME_TWOSIDED) ? GL_TRUE : GL_FALSE); }
KX_WorldInfo::KX_WorldInfo(Scene *blenderscene, World *blenderworld) { if (blenderworld) { m_name = blenderworld->id.name + 2; m_do_color_management = BKE_scene_check_color_management_enabled(blenderscene); m_hasworld = true; m_hasmist = ((blenderworld->mode) & WO_MIST ? true : false); m_misttype = blenderworld->mistype; m_miststart = blenderworld->miststa; m_mistdistance = blenderworld->mistdist; m_mistintensity = blenderworld->misi; setMistColor(blenderworld->horr, blenderworld->horg, blenderworld->horb); setBackColor(blenderworld->horr, blenderworld->horg, blenderworld->horb); setAmbientColor(blenderworld->ambr, blenderworld->ambg, blenderworld->ambb); } else { m_hasworld = false; } }
static void do_texture_effector(EffectorCache *eff, EffectorData *efd, EffectedPoint *point, float *total_force) { TexResult result[4]; float tex_co[3], strength, force[3]; float nabla = eff->pd->tex_nabla; int hasrgb; short mode = eff->pd->tex_mode; bool scene_color_manage; if (!eff->pd->tex) return; result[0].nor = result[1].nor = result[2].nor = result[3].nor = NULL; strength= eff->pd->f_strength * efd->falloff; copy_v3_v3(tex_co, point->loc); if (eff->pd->flag & PFIELD_TEX_2D) { float fac=-dot_v3v3(tex_co, efd->nor); madd_v3_v3fl(tex_co, efd->nor, fac); } if (eff->pd->flag & PFIELD_TEX_OBJECT) { mul_m4_v3(eff->ob->imat, tex_co); } scene_color_manage = BKE_scene_check_color_management_enabled(eff->scene); hasrgb = multitex_ext(eff->pd->tex, tex_co, NULL, NULL, 0, result, NULL, scene_color_manage, false); if (hasrgb && mode==PFIELD_TEX_RGB) { force[0] = (0.5f - result->tr) * strength; force[1] = (0.5f - result->tg) * strength; force[2] = (0.5f - result->tb) * strength; } else { strength/=nabla; tex_co[0] += nabla; multitex_ext(eff->pd->tex, tex_co, NULL, NULL, 0, result+1, NULL, scene_color_manage, false); tex_co[0] -= nabla; tex_co[1] += nabla; multitex_ext(eff->pd->tex, tex_co, NULL, NULL, 0, result+2, NULL, scene_color_manage, false); tex_co[1] -= nabla; tex_co[2] += nabla; multitex_ext(eff->pd->tex, tex_co, NULL, NULL, 0, result+3, NULL, scene_color_manage, false); if (mode == PFIELD_TEX_GRAD || !hasrgb) { /* if we don't have rgb fall back to grad */ /* generate intensity if texture only has rgb value */ if (hasrgb & TEX_RGB) { int i; for (i=0; i<4; i++) result[i].tin = (1.0f / 3.0f) * (result[i].tr + result[i].tg + result[i].tb); } force[0] = (result[0].tin - result[1].tin) * strength; force[1] = (result[0].tin - result[2].tin) * strength; force[2] = (result[0].tin - result[3].tin) * strength; } else { /*PFIELD_TEX_CURL*/ float dbdy, dgdz, drdz, dbdx, dgdx, drdy; dbdy = result[2].tb - result[0].tb; dgdz = result[3].tg - result[0].tg; drdz = result[3].tr - result[0].tr; dbdx = result[1].tb - result[0].tb; dgdx = result[1].tg - result[0].tg; drdy = result[2].tr - result[0].tr; force[0] = (dbdy - dgdz) * strength; force[1] = (drdz - dbdx) * strength; force[2] = (dgdx - drdy) * strength; } } if (eff->pd->flag & PFIELD_TEX_2D) { float fac = -dot_v3v3(force, efd->nor); madd_v3_v3fl(force, efd->nor, fac); } add_v3_v3(total_force, force); }
static void draw_textured_begin(Scene *scene, View3D *v3d, RegionView3D *rv3d, Object *ob) { unsigned char obcol[4]; bool is_tex, solidtex; Mesh *me = ob->data; ImagePaintSettings *imapaint = &scene->toolsettings->imapaint; /* XXX scene->obedit warning */ /* texture draw is abused for mask selection mode, do this so wire draw * with face selection in weight paint is not lit. */ if ((v3d->drawtype <= OB_WIRE) && (ob->mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT))) { solidtex = false; Gtexdraw.is_lit = 0; } else if (v3d->drawtype == OB_SOLID || ((ob->mode & OB_MODE_EDIT) && v3d->drawtype != OB_TEXTURE) || (BKE_scene_use_new_shading_nodes(scene) && (ob->mode & OB_MODE_TEXTURE_PAINT))) { /* draw with default lights in solid draw mode and edit mode */ solidtex = true; Gtexdraw.is_lit = -1; } else { /* draw with lights in the scene otherwise */ solidtex = false; if (v3d->flag2 & V3D_SHADELESS_TEX) Gtexdraw.is_lit = 0; else Gtexdraw.is_lit = GPU_scene_object_lights(scene, ob, v3d->lay, rv3d->viewmat, !rv3d->is_persp); } rgba_float_to_uchar(obcol, ob->col); if (solidtex || v3d->drawtype == OB_TEXTURE) is_tex = true; else is_tex = false; Gtexdraw.ob = ob; Gtexdraw.stencil = (imapaint->flag & IMAGEPAINT_PROJECT_LAYER_STENCIL) ? imapaint->stencil : NULL; Gtexdraw.is_texpaint = (ob->mode == OB_MODE_TEXTURE_PAINT); Gtexdraw.texpaint_material = (imapaint->mode == IMAGEPAINT_MODE_MATERIAL); Gtexdraw.canvas = (Gtexdraw.texpaint_material) ? NULL : imapaint->canvas; Gtexdraw.is_tex = is_tex; /* naughty multitexturing hacks to quickly support stencil + shading + alpha blending * in new texpaint code. The better solution here would be to support GLSL */ if (Gtexdraw.is_texpaint) { glActiveTexture(GL_TEXTURE1); glEnable(GL_TEXTURE_2D); glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE); glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_INTERPOLATE); glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_PREVIOUS); glTexEnvi(GL_TEXTURE_ENV, GL_SRC1_RGB, GL_PRIMARY_COLOR); glTexEnvi(GL_TEXTURE_ENV, GL_SRC2_RGB, GL_PREVIOUS); glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_ALPHA); glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE); glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_PREVIOUS); /* load the stencil texture here */ if (Gtexdraw.stencil != NULL) { glActiveTexture(GL_TEXTURE2); if (GPU_verify_image(Gtexdraw.stencil, NULL, false, false, false, false)) { float col[4] = {imapaint->stencil_col[0], imapaint->stencil_col[1], imapaint->stencil_col[2], 1.0f}; glEnable(GL_TEXTURE_2D); glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE); glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_INTERPOLATE); glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_PREVIOUS); glTexEnvi(GL_TEXTURE_ENV, GL_SRC1_RGB, GL_CONSTANT); glTexEnvi(GL_TEXTURE_ENV, GL_SRC2_RGB, GL_TEXTURE); glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_MODULATE); glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_PREVIOUS); glTexEnvi(GL_TEXTURE_ENV, GL_SRC1_ALPHA, GL_TEXTURE); glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, col); if ((imapaint->flag & IMAGEPAINT_PROJECT_LAYER_STENCIL_INV) == 0) { glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_ONE_MINUS_SRC_COLOR); } else { glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_COLOR); } } } glActiveTexture(GL_TEXTURE0); } Gtexdraw.color_profile = BKE_scene_check_color_management_enabled(scene); Gtexdraw.use_game_mat = (RE_engines_find(scene->r.engine)->flag & RE_GAME) != 0; Gtexdraw.use_backface_culling = (v3d->flag2 & V3D_BACKFACE_CULLING) != 0; memcpy(Gtexdraw.obcol, obcol, sizeof(obcol)); set_draw_settings_cached(1, NULL, NULL, Gtexdraw); glShadeModel(GL_SMOOTH); glCullFace(GL_BACK); glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, (me->flag & ME_TWOSIDED) ? GL_TRUE : GL_FALSE); }
/* returns 0 if nothing was handled */ int RE_bake_shade_all_selected(Render *re, int type, Object *actob, short *do_update, float *progress) { BakeShade *handles; ListBase threads; Image *ima; int a, vdone = false, result = BAKE_RESULT_OK; bool use_mask = false; bool use_displacement_buffer = false; re->scene_color_manage = BKE_scene_check_color_management_enabled(re->scene); /* initialize render global */ R = *re; R.bakebuf = NULL; /* initialize static vars */ get_next_bake_face(NULL); /* do we need a mask? */ if (re->r.bake_filter) use_mask = true; /* do we need buffer to store displacements */ if (ELEM(type, RE_BAKE_DISPLACEMENT, RE_BAKE_DERIVATIVE)) { if (((R.r.bake_flag & R_BAKE_NORMALIZE) && R.r.bake_maxdist == 0.0f) || (type == RE_BAKE_DERIVATIVE)) { use_displacement_buffer = true; use_mask = true; } } /* baker uses this flag to detect if image was initialized */ if ((R.r.bake_flag & R_BAKE_VCOL) == 0) { for (ima = G.main->image.first; ima; ima = ima->id.next) { ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, NULL, IMA_IBUF_IMA); ima->id.flag |= LIB_DOIT; ima->flag &= ~IMA_USED_FOR_RENDER; if (ibuf) { ibuf->userdata = NULL; /* use for masking if needed */ } BKE_image_release_ibuf(ima, ibuf, NULL); } } if (R.r.bake_flag & R_BAKE_VCOL) { /* untag all meshes */ tag_main_lb(&G.main->mesh, false); } BLI_init_threads(&threads, do_bake_thread, re->r.threads); handles = MEM_callocN(sizeof(BakeShade) * re->r.threads, "BakeShade"); /* get the threads running */ for (a = 0; a < re->r.threads; a++) { /* set defaults in handles */ handles[a].ssamp.shi[0].lay = re->lay; if (type == RE_BAKE_SHADOW) { handles[a].ssamp.shi[0].passflag = SCE_PASS_SHADOW; } else { handles[a].ssamp.shi[0].passflag = SCE_PASS_COMBINED; } handles[a].ssamp.shi[0].combinedflag = ~(SCE_PASS_SPEC); handles[a].ssamp.shi[0].thread = a; handles[a].ssamp.tot = 1; handles[a].type = type; handles[a].actob = actob; if (R.r.bake_flag & R_BAKE_VCOL) handles[a].zspan = NULL; else handles[a].zspan = MEM_callocN(sizeof(ZSpan), "zspan for bake"); handles[a].use_mask = use_mask; handles[a].use_displacement_buffer = use_displacement_buffer; handles[a].do_update = do_update; /* use to tell the view to update */ handles[a].displacement_min = FLT_MAX; handles[a].displacement_max = -FLT_MAX; BLI_insert_thread(&threads, &handles[a]); } /* wait for everything to be done */ a = 0; while (a != re->r.threads) { PIL_sleep_ms(50); /* calculate progress */ for (vdone = false, a = 0; a < re->r.threads; a++) vdone += handles[a].vdone; if (progress) *progress = (float)(vdone / (float)re->totvlak); for (a = 0; a < re->r.threads; a++) { if (handles[a].ready == false) { break; } } } /* filter and refresh images */ if ((R.r.bake_flag & R_BAKE_VCOL) == 0) { float displacement_min = FLT_MAX, displacement_max = -FLT_MAX; if (use_displacement_buffer) { for (a = 0; a < re->r.threads; a++) { displacement_min = min_ff(displacement_min, handles[a].displacement_min); displacement_max = max_ff(displacement_max, handles[a].displacement_max); } } for (ima = G.main->image.first; ima; ima = ima->id.next) { if ((ima->id.flag & LIB_DOIT) == 0) { ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, NULL, IMA_IBUF_IMA); BakeImBufuserData *userdata; if (ima->flag & IMA_USED_FOR_RENDER) result = BAKE_RESULT_FEEDBACK_LOOP; if (!ibuf) continue; userdata = (BakeImBufuserData *)ibuf->userdata; if (userdata) { if (use_displacement_buffer) { if (type == RE_BAKE_DERIVATIVE) { float user_scale = (R.r.bake_flag & R_BAKE_USERSCALE) ? R.r.bake_user_scale : -1.0f; RE_bake_make_derivative(ibuf, userdata->displacement_buffer, userdata->mask_buffer, displacement_min, displacement_max, user_scale); } else { RE_bake_ibuf_normalize_displacement(ibuf, userdata->displacement_buffer, userdata->mask_buffer, displacement_min, displacement_max); } } RE_bake_ibuf_filter(ibuf, userdata->mask_buffer, re->r.bake_filter); } ibuf->userflags |= IB_BITMAPDIRTY; BKE_image_release_ibuf(ima, ibuf, NULL); } } /* calculate return value */ for (a = 0; a < re->r.threads; a++) { zbuf_free_span(handles[a].zspan); MEM_freeN(handles[a].zspan); } } MEM_freeN(handles); BLI_end_threads(&threads); if (vdone == 0) { result = BAKE_RESULT_NO_OBJECTS; } return result; }
static void screen_opengl_render_doit(OGLRender *oglrender, RenderResult *rr) { Scene *scene = oglrender->scene; ARegion *ar = oglrender->ar; View3D *v3d = oglrender->v3d; RegionView3D *rv3d = oglrender->rv3d; Object *camera = NULL; ImBuf *ibuf; float winmat[4][4]; int sizex = oglrender->sizex; int sizey = oglrender->sizey; const short view_context = (v3d != NULL); bool draw_bgpic = true; bool draw_sky = (scene->r.alphamode == R_ADDSKY); unsigned char *rect = NULL; const char *viewname = RE_GetActiveRenderView(oglrender->re); if (oglrender->is_sequencer) { SeqRenderData context; SpaceSeq *sseq = oglrender->sseq; int chanshown = sseq ? sseq->chanshown : 0; struct bGPdata *gpd = (sseq && (sseq->flag & SEQ_SHOW_GPENCIL)) ? sseq->gpd : NULL; BKE_sequencer_new_render_data( oglrender->bmain->eval_ctx, oglrender->bmain, scene, oglrender->sizex, oglrender->sizey, 100.0f, &context); context.view_id = BKE_scene_multiview_view_id_get(&scene->r, viewname); ibuf = BKE_sequencer_give_ibuf(&context, CFRA, chanshown); if (ibuf) { float *rectf; ImBuf *linear_ibuf; BLI_assert((oglrender->sizex == ibuf->x) && (oglrender->sizey == ibuf->y)); linear_ibuf = IMB_dupImBuf(ibuf); IMB_freeImBuf(ibuf); if (linear_ibuf->rect_float == NULL) { /* internally sequencer working in display space and stores both bytes and float buffers in that space. * It is possible that byte->float onversion didn't happen in sequencer (e.g. when adding image sequence/movie * into sequencer) there'll be only byte buffer. Create float buffer from existing byte buffer, making it linear */ IMB_float_from_rect(linear_ibuf); } else { /* ensure float buffer is in linear space, not in display space */ BKE_sequencer_imbuf_from_sequencer_space(scene, linear_ibuf); } rectf = RE_RenderViewGetRectf(rr, oglrender->view_id); memcpy(rectf, linear_ibuf->rect_float, sizeof(float) * 4 * oglrender->sizex * oglrender->sizey); IMB_freeImBuf(linear_ibuf); } if (gpd) { int i; unsigned char *gp_rect; GPU_offscreen_bind(oglrender->ofs, true); glClearColor(0.0f, 0.0f, 0.0f, 0.0f); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); wmOrtho2(0, sizex, 0, sizey); glTranslatef(sizex / 2, sizey / 2, 0.0f); G.f |= G_RENDER_OGL; ED_gpencil_draw_ex(scene, gpd, sizex, sizey, scene->r.cfra, SPACE_SEQ); G.f &= ~G_RENDER_OGL; gp_rect = MEM_mallocN(sizex * sizey * sizeof(unsigned char) * 4, "offscreen rect"); GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, gp_rect); for (i = 0; i < sizex * sizey * 4; i += 4) { float col_src[4]; rgba_uchar_to_float(col_src, &gp_rect[i]); blend_color_mix_float(&rr->rectf[i], &rr->rectf[i], col_src); } GPU_offscreen_unbind(oglrender->ofs, true); MEM_freeN(gp_rect); } } else if (view_context) { bool is_persp; /* full copy */ GPUFXSettings fx_settings = v3d->fx_settings; ED_view3d_draw_offscreen_init(scene, v3d); GPU_offscreen_bind(oglrender->ofs, true); /* bind */ /* render 3d view */ if (rv3d->persp == RV3D_CAMOB && v3d->camera) { /*int is_ortho = scene->r.mode & R_ORTHO;*/ camera = BKE_camera_multiview_render(oglrender->scene, v3d->camera, viewname); RE_GetCameraWindow(oglrender->re, camera, scene->r.cfra, winmat); if (camera->type == OB_CAMERA) { Camera *cam = camera->data; is_persp = cam->type == CAM_PERSP; } else is_persp = true; BKE_camera_to_gpu_dof(camera, &fx_settings); } else { rctf viewplane; float clipsta, clipend; bool 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); is_persp = !is_ortho; } rect = MEM_mallocN(sizex * sizey * sizeof(unsigned char) * 4, "offscreen rect"); if ((scene->r.mode & R_OSA) == 0) { ED_view3d_draw_offscreen( scene, v3d, ar, sizex, sizey, NULL, winmat, draw_bgpic, draw_sky, is_persp, oglrender->ofs, oglrender->fx, &fx_settings, viewname); GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, rect); } else { /* simple accumulation, less hassle then FSAA FBO's */ static float jit_ofs[32][2]; float winmat_jitter[4][4]; int *accum_buffer = MEM_mallocN(sizex * sizey * sizeof(int) * 4, "accum1"); int i, j; BLI_jitter_init(jit_ofs, scene->r.osa); /* first sample buffer, also initializes 'rv3d->persmat' */ ED_view3d_draw_offscreen( scene, v3d, ar, sizex, sizey, NULL, winmat, draw_bgpic, draw_sky, is_persp, oglrender->ofs, oglrender->fx, &fx_settings, viewname); GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, rect); for (i = 0; i < sizex * sizey * 4; i++) accum_buffer[i] = rect[i]; /* skip the first sample */ for (j = 1; j < scene->r.osa; 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_bgpic, draw_sky, is_persp, oglrender->ofs, oglrender->fx, &fx_settings, viewname); GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, rect); for (i = 0; i < sizex * sizey * 4; i++) accum_buffer[i] += rect[i]; } for (i = 0; i < sizex * sizey * 4; i++) rect[i] = accum_buffer[i] / scene->r.osa; MEM_freeN(accum_buffer); } GPU_offscreen_unbind(oglrender->ofs, true); /* unbind */ } else { /* shouldnt suddenly give errors mid-render but possible */ char err_out[256] = "unknown"; ImBuf *ibuf_view = ED_view3d_draw_offscreen_imbuf_simple(scene, scene->camera, oglrender->sizex, oglrender->sizey, IB_rect, OB_SOLID, false, true, true, (draw_sky) ? R_ADDSKY : R_ALPHAPREMUL, viewname, err_out); camera = scene->camera; if (ibuf_view) { /* steal rect reference from ibuf */ rect = (unsigned char *)ibuf_view->rect; ibuf_view->mall &= ~IB_rect; IMB_freeImBuf(ibuf_view); } else { fprintf(stderr, "%s: failed to get buffer, %s\n", __func__, err_out); } } /* note on color management: * * OpenGL renders into sRGB colors, but render buffers are expected to be * linear So we convert to linear here, so the conversion back to bytes can make it * sRGB (or other display space) again, and so that e.g. openexr saving also saves the * correct linear float buffer. */ if (rect) { int profile_to; float *rectf = RE_RenderViewGetRectf(rr, oglrender->view_id); if (BKE_scene_check_color_management_enabled(scene)) profile_to = IB_PROFILE_LINEAR_RGB; else profile_to = IB_PROFILE_SRGB; /* sequencer has got trickier conversion happened above * also assume opengl's space matches byte buffer color space */ IMB_buffer_float_from_byte(rectf, rect, profile_to, IB_PROFILE_SRGB, true, oglrender->sizex, oglrender->sizey, oglrender->sizex, oglrender->sizex); /* rr->rectf is now filled with image data */ if ((scene->r.stamp & R_STAMP_ALL) && (scene->r.stamp & R_STAMP_DRAW)) BKE_image_stamp_buf(scene, camera, rect, rectf, rr->rectx, rr->recty, 4); MEM_freeN(rect); } }
static void screen_opengl_render_apply(OGLRender *oglrender) { Scene *scene = oglrender->scene; ARegion *ar = oglrender->ar; View3D *v3d = oglrender->v3d; RegionView3D *rv3d = oglrender->rv3d; RenderResult *rr; Object *camera = NULL; ImBuf *ibuf; void *lock; float winmat[4][4]; int sizex = oglrender->sizex; int sizey = oglrender->sizey; const short view_context = (v3d != NULL); bool draw_bgpic = true; bool draw_sky = (scene->r.alphamode == R_ADDSKY); unsigned char *rect = NULL; rr = RE_AcquireResultRead(oglrender->re); if (oglrender->is_sequencer) { SeqRenderData context; int chanshown = oglrender->sseq ? oglrender->sseq->chanshown : 0; context = BKE_sequencer_new_render_data(oglrender->bmain, scene, oglrender->sizex, oglrender->sizey, 100.0f); ibuf = BKE_sequencer_give_ibuf(context, CFRA, chanshown); if (ibuf) { ImBuf *linear_ibuf; BLI_assert((oglrender->sizex == ibuf->x) && (oglrender->sizey == ibuf->y)); linear_ibuf = IMB_dupImBuf(ibuf); IMB_freeImBuf(ibuf); if (linear_ibuf->rect_float == NULL) { /* internally sequencer working in display space and stores both bytes and float buffers in that space. * It is possible that byte->float onversion didn't happen in sequencer (e.g. when adding image sequence/movie * into sequencer) there'll be only byte buffer. Create float buffer from existing byte buffer, making it linear */ IMB_float_from_rect(linear_ibuf); } else { /* ensure float buffer is in linear space, not in display space */ BKE_sequencer_imbuf_from_sequencer_space(scene, linear_ibuf); } memcpy(rr->rectf, linear_ibuf->rect_float, sizeof(float) * 4 * oglrender->sizex * oglrender->sizey); IMB_freeImBuf(linear_ibuf); } } else if (view_context) { ED_view3d_draw_offscreen_init(scene, v3d); GPU_offscreen_bind(oglrender->ofs); /* bind */ /* render 3d view */ if (rv3d->persp == RV3D_CAMOB && v3d->camera) { /*int is_ortho = scene->r.mode & R_ORTHO;*/ camera = v3d->camera; RE_GetCameraWindow(oglrender->re, camera, scene->r.cfra, winmat); } else { rctf viewplane; float clipsta, clipend; int 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); } rect = MEM_mallocN(sizex * sizey * sizeof(unsigned char) * 4, "offscreen rect"); if ((scene->r.mode & R_OSA) == 0) { ED_view3d_draw_offscreen(scene, v3d, ar, sizex, sizey, NULL, winmat, draw_bgpic, draw_sky); GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, rect); } else { /* simple accumulation, less hassle then FSAA FBO's */ static float jit_ofs[32][2]; float winmat_jitter[4][4]; int *accum_buffer = MEM_mallocN(sizex * sizey * sizeof(int) * 4, "accum1"); int i, j; BLI_jitter_init(jit_ofs[0], scene->r.osa); /* first sample buffer, also initializes 'rv3d->persmat' */ ED_view3d_draw_offscreen(scene, v3d, ar, sizex, sizey, NULL, winmat, draw_bgpic, draw_sky); GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, rect); for (i = 0; i < sizex * sizey * 4; i++) accum_buffer[i] = rect[i]; /* skip the first sample */ for (j = 1; j < scene->r.osa; 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_bgpic, draw_sky); GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, rect); for (i = 0; i < sizex * sizey * 4; i++) accum_buffer[i] += rect[i]; } for (i = 0; i < sizex * sizey * 4; i++) rect[i] = accum_buffer[i] / scene->r.osa; MEM_freeN(accum_buffer); } GPU_offscreen_unbind(oglrender->ofs); /* unbind */ } else { /* shouldnt suddenly give errors mid-render but possible */ char err_out[256] = "unknown"; ImBuf *ibuf_view = ED_view3d_draw_offscreen_imbuf_simple(scene, scene->camera, oglrender->sizex, oglrender->sizey, IB_rect, OB_SOLID, FALSE, TRUE, (draw_sky) ? R_ADDSKY: R_ALPHAPREMUL, err_out); camera = scene->camera; if (ibuf_view) { /* steal rect reference from ibuf */ rect = (unsigned char *)ibuf_view->rect; ibuf_view->mall &= ~IB_rect; IMB_freeImBuf(ibuf_view); } else { fprintf(stderr, "%s: failed to get buffer, %s\n", __func__, err_out); } } /* note on color management: * * OpenGL renders into sRGB colors, but render buffers are expected to be * linear So we convert to linear here, so the conversion back to bytes can make it * sRGB (or other display space) again, and so that e.g. openexr saving also saves the * correct linear float buffer. */ if (rect) { int profile_to; if (BKE_scene_check_color_management_enabled(scene)) profile_to = IB_PROFILE_LINEAR_RGB; else profile_to = IB_PROFILE_SRGB; /* sequencer has got trickier conversion happened above * also assume opengl's space matches byte buffer color space */ IMB_buffer_float_from_byte(rr->rectf, rect, profile_to, IB_PROFILE_SRGB, true, oglrender->sizex, oglrender->sizey, oglrender->sizex, oglrender->sizex); } /* rr->rectf is now filled with image data */ if ((scene->r.stamp & R_STAMP_ALL) && (scene->r.stamp & R_STAMP_DRAW)) BKE_stamp_buf(scene, camera, rect, rr->rectf, rr->rectx, rr->recty, 4); RE_ReleaseResult(oglrender->re); /* update byte from float buffer */ ibuf = BKE_image_acquire_ibuf(oglrender->ima, &oglrender->iuser, &lock); if (ibuf) { /* update display buffer */ if (ibuf->rect == NULL) imb_addrectImBuf(ibuf); IMB_partial_display_buffer_update(ibuf, rr->rectf, rect, rr->rectx, 0, 0, &scene->view_settings, &scene->display_settings, 0, 0, rr->rectx, rr->recty, true); /* write file for animation */ if (oglrender->write_still) { char name[FILE_MAX]; int ok; if (scene->r.im_format.planes == R_IMF_CHAN_DEPTH_8) { IMB_color_to_bw(ibuf); } BKE_makepicstring(name, scene->r.pic, oglrender->bmain->name, scene->r.cfra, &scene->r.im_format, scene->r.scemode & R_EXTENSION, FALSE); ok = BKE_imbuf_write_as(ibuf, name, &scene->r.im_format, TRUE); /* no need to stamp here */ if (ok) printf("OpenGL Render written to '%s'\n", name); else printf("OpenGL Render failed to write '%s'\n", name); } } BKE_image_release_ibuf(oglrender->ima, ibuf, lock); if (rect) MEM_freeN(rect); }
static void screen_opengl_render_doit(OGLRender *oglrender, RenderResult *rr) { Scene *scene = oglrender->scene; ARegion *ar = oglrender->ar; View3D *v3d = oglrender->v3d; RegionView3D *rv3d = oglrender->rv3d; Object *camera = NULL; ImBuf *ibuf; int sizex = oglrender->sizex; int sizey = oglrender->sizey; const short view_context = (v3d != NULL); bool draw_bgpic = true; bool draw_sky = (scene->r.alphamode == R_ADDSKY); unsigned char *rect = NULL; const char *viewname = RE_GetActiveRenderView(oglrender->re); if (oglrender->is_sequencer) { SeqRenderData context; SpaceSeq *sseq = oglrender->sseq; int chanshown = sseq ? sseq->chanshown : 0; struct bGPdata *gpd = (sseq && (sseq->flag & SEQ_SHOW_GPENCIL)) ? sseq->gpd : NULL; BKE_sequencer_new_render_data( oglrender->bmain->eval_ctx, oglrender->bmain, scene, oglrender->sizex, oglrender->sizey, 100.0f, &context); context.view_id = BKE_scene_multiview_view_id_get(&scene->r, viewname); context.gpu_offscreen = oglrender->ofs; context.gpu_fx = oglrender->fx; context.gpu_full_samples = oglrender->ofs_full_samples; ibuf = BKE_sequencer_give_ibuf(&context, CFRA, chanshown); if (ibuf) { ImBuf *out = IMB_dupImBuf(ibuf); IMB_freeImBuf(ibuf); /* OpenGL render is considered to be preview and should be * as fast as possible. So currently we're making sure sequencer * result is always byte to simplify color management pipeline. * * TODO(sergey): In the case of output to float container (EXR) * it actually makes sense to keep float buffer instead. */ if (out->rect_float != NULL) { IMB_rect_from_float(out); imb_freerectfloatImBuf(out); } BLI_assert((oglrender->sizex == ibuf->x) && (oglrender->sizey == ibuf->y)); RE_render_result_rect_from_ibuf(rr, &scene->r, out, oglrender->view_id); IMB_freeImBuf(out); } if (gpd) { int i; unsigned char *gp_rect; unsigned char *render_rect = (unsigned char *)RE_RenderViewGetById(rr, oglrender->view_id)->rect32; GPU_offscreen_bind(oglrender->ofs, true); glClearColor(0.0f, 0.0f, 0.0f, 0.0f); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); wmOrtho2(0, sizex, 0, sizey); glTranslatef(sizex / 2, sizey / 2, 0.0f); G.f |= G_RENDER_OGL; ED_gpencil_draw_ex(scene, gpd, sizex, sizey, scene->r.cfra, SPACE_SEQ); G.f &= ~G_RENDER_OGL; gp_rect = MEM_mallocN(sizex * sizey * sizeof(unsigned char) * 4, "offscreen rect"); GPU_offscreen_read_pixels(oglrender->ofs, GL_UNSIGNED_BYTE, gp_rect); for (i = 0; i < sizex * sizey * 4; i += 4) { blend_color_mix_byte(&render_rect[i], &render_rect[i], &gp_rect[i]); } GPU_offscreen_unbind(oglrender->ofs, true); MEM_freeN(gp_rect); } } else { /* shouldnt suddenly give errors mid-render but possible */ char err_out[256] = "unknown"; ImBuf *ibuf_view; const int alpha_mode = (draw_sky) ? R_ADDSKY : R_ALPHAPREMUL; if (view_context) { ibuf_view = ED_view3d_draw_offscreen_imbuf( scene, v3d, ar, sizex, sizey, IB_rect, draw_bgpic, alpha_mode, oglrender->ofs_samples, oglrender->ofs_full_samples, viewname, oglrender->fx, oglrender->ofs, err_out); /* for stamp only */ if (rv3d->persp == RV3D_CAMOB && v3d->camera) { camera = BKE_camera_multiview_render(oglrender->scene, v3d->camera, viewname); } } else { ibuf_view = ED_view3d_draw_offscreen_imbuf_simple( scene, scene->camera, oglrender->sizex, oglrender->sizey, IB_rect, OB_SOLID, false, true, true, alpha_mode, oglrender->ofs_samples, oglrender->ofs_full_samples, viewname, oglrender->fx, oglrender->ofs, err_out); camera = scene->camera; } if (ibuf_view) { /* steal rect reference from ibuf */ rect = (unsigned char *)ibuf_view->rect; ibuf_view->mall &= ~IB_rect; IMB_freeImBuf(ibuf_view); } else { fprintf(stderr, "%s: failed to get buffer, %s\n", __func__, err_out); } } /* note on color management: * * OpenGL renders into sRGB colors, but render buffers are expected to be * linear So we convert to linear here, so the conversion back to bytes can make it * sRGB (or other display space) again, and so that e.g. openexr saving also saves the * correct linear float buffer. */ if (rect) { int profile_to; float *rectf = RE_RenderViewGetById(rr, oglrender->view_id)->rectf; if (BKE_scene_check_color_management_enabled(scene)) profile_to = IB_PROFILE_LINEAR_RGB; else profile_to = IB_PROFILE_SRGB; /* sequencer has got trickier conversion happened above * also assume opengl's space matches byte buffer color space */ IMB_buffer_float_from_byte(rectf, rect, profile_to, IB_PROFILE_SRGB, true, oglrender->sizex, oglrender->sizey, oglrender->sizex, oglrender->sizex); /* rr->rectf is now filled with image data */ if ((scene->r.stamp & R_STAMP_ALL) && (scene->r.stamp & R_STAMP_DRAW)) BKE_image_stamp_buf(scene, camera, NULL, rect, rectf, rr->rectx, rr->recty, 4); MEM_freeN(rect); } }