diff options
Diffstat (limited to 'source/blender/render/intern/engine.c')
| -rw-r--r-- | source/blender/render/intern/engine.c | 121 |
1 files changed, 82 insertions, 39 deletions
diff --git a/source/blender/render/intern/engine.c b/source/blender/render/intern/engine.c index 9a3dc0d000c..84f12b7873b 100644 --- a/source/blender/render/intern/engine.c +++ b/source/blender/render/intern/engine.c @@ -617,6 +617,8 @@ static void engine_depsgraph_init(RenderEngine *engine, ViewLayer *view_layer) else { BKE_scene_graph_update_for_newframe(engine->depsgraph); } + + engine->has_grease_pencil = DRW_render_check_grease_pencil(engine->depsgraph); } static void engine_depsgraph_free(RenderEngine *engine) @@ -748,10 +750,63 @@ bool RE_bake_engine(Render *re, /* Render */ +static void engine_render_view_layer(Render *re, + RenderEngine *engine, + ViewLayer *view_layer_iter, + const bool use_engine, + const bool use_grease_pencil) +{ + /* Lock UI so scene can't be edited while we read from it in this render thread. */ + if (re->draw_lock) { + re->draw_lock(re->dlh, 1); + } + + /* Create depsgraph with scene evaluated at render resolution. */ + ViewLayer *view_layer = BLI_findstring( + &re->scene->view_layers, view_layer_iter->name, offsetof(ViewLayer, name)); + engine_depsgraph_init(engine, view_layer); + + /* Sync data to engine, within draw lock so scene data can be accessed safely. */ + if (use_engine) { + if (engine->type->update) { + engine->type->update(engine, re->main, engine->depsgraph); + } + } + + if (re->draw_lock) { + re->draw_lock(re->dlh, 0); + } + + /* Perform render with engine. */ + if (use_engine) { + if (engine->type->flag & RE_USE_GPU_CONTEXT) { + DRW_render_context_enable(engine->re); + } + + engine->type->render(engine, engine->depsgraph); + + if (engine->type->flag & RE_USE_GPU_CONTEXT) { + DRW_render_context_disable(engine->re); + } + } + + /* Optionally composite grease pencil over render result. */ + if (engine->has_grease_pencil && use_grease_pencil && !re->result->do_exr_tile) { + /* NOTE: External engine might have been requested to free its + * dependency graph, which is only allowed if there is no grease + * pencil (pipeline is taking care of that). */ + if (!RE_engine_test_break(engine) && engine->depsgraph != NULL) { + DRW_render_gpencil(engine, engine->depsgraph); + } + } + + /* Free dependency graph, if engine has not done it already. */ + engine_depsgraph_free(engine); +} + int RE_engine_render(Render *re, int do_all) { RenderEngineType *type = RE_engines_find(re->r.engine); - RenderEngine *engine; bool persistent_data = (re->r.mode & R_PERSISTENT_DATA) != 0; /* verify if we can render */ @@ -813,7 +868,7 @@ int RE_engine_render(Render *re, int do_all) BLI_strncpy(re->i.scene_name, re->scene->id.name + 2, sizeof(re->i.scene_name)); /* render */ - engine = re->engine; + RenderEngine *engine = re->engine; if (!engine) { engine = RE_engine_create(type); @@ -851,45 +906,16 @@ int RE_engine_render(Render *re, int do_all) re->draw_lock(re->dlh, 0); } + /* Render view layers. */ + bool delay_grease_pencil = false; + if (type->render) { FOREACH_VIEW_LAYER_TO_RENDER_BEGIN (re, view_layer_iter) { - if (re->draw_lock) { - re->draw_lock(re->dlh, 1); - } - - ViewLayer *view_layer = BLI_findstring( - &re->scene->view_layers, view_layer_iter->name, offsetof(ViewLayer, name)); - engine_depsgraph_init(engine, view_layer); - - if (type->update) { - type->update(engine, re->main, engine->depsgraph); - } - - if (re->draw_lock) { - re->draw_lock(re->dlh, 0); - } - - if (engine->type->flag & RE_USE_GPU_CONTEXT) { - DRW_render_context_enable(engine->re); - } - - type->render(engine, engine->depsgraph); - - if (engine->type->flag & RE_USE_GPU_CONTEXT) { - DRW_render_context_disable(engine->re); - } + engine_render_view_layer(re, engine, view_layer_iter, true, true); - /* Grease pencil render over previous render result. - * - * NOTE: External engine might have been requested to free its - * dependency graph, which is only allowed if there is no grease - * pencil (pipeline is taking care of that). - */ - if (!RE_engine_test_break(engine) && engine->depsgraph != NULL) { - DRW_render_gpencil(engine, engine->depsgraph); - } - - engine_depsgraph_free(engine); + /* With save buffers there is no render buffer in memory for compositing, delay + * grease pencil in that case. */ + delay_grease_pencil = engine->has_grease_pencil && re->result->do_exr_tile; if (RE_engine_test_break(engine)) { break; @@ -898,6 +924,7 @@ int RE_engine_render(Render *re, int do_all) FOREACH_VIEW_LAYER_TO_RENDER_END; } + /* Clear tile data */ engine->tile_x = 0; engine->tile_y = 0; engine->flag &= ~RE_ENGINE_RENDERING; @@ -906,10 +933,26 @@ int RE_engine_render(Render *re, int do_all) BLI_rw_mutex_lock(&re->partsmutex, THREAD_LOCK_WRITE); + /* For save buffers, read back from disk. */ if (re->result->do_exr_tile) { render_result_exr_file_end(re, engine); } + /* Perform delayed grease pencil rendering. */ + if (delay_grease_pencil) { + BLI_rw_mutex_unlock(&re->partsmutex); + + FOREACH_VIEW_LAYER_TO_RENDER_BEGIN (re, view_layer_iter) { + engine_render_view_layer(re, engine, view_layer_iter, false, true); + if (RE_engine_test_break(engine)) { + break; + } + } + FOREACH_VIEW_LAYER_TO_RENDER_END; + + BLI_rw_mutex_lock(&re->partsmutex, THREAD_LOCK_WRITE); + } + /* re->engine becomes zero if user changed active render engine during render */ if (!persistent_data || !re->engine) { RE_engine_free(engine); @@ -981,7 +1024,7 @@ void RE_engine_free_blender_memory(RenderEngine *engine) * * TODO(sergey): Find better solution for this. */ - if (DRW_render_check_grease_pencil(engine->depsgraph)) { + if (engine->has_grease_pencil) { return; } DEG_graph_free(engine->depsgraph); |