Differential D8410 Diff 27356 source/blender/draw/intern/draw_manager.c

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source/blender/draw/intern/draw_manager.c

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	void DRW_render_to_image(RenderEngine engine, struct Depsgraph depsgraph)			void DRW_render_to_image(RenderEngine engine, struct Depsgraph depsgraph)
	{			{
	Scene *scene = DEG_get_evaluated_scene(depsgraph);			Scene *scene = DEG_get_evaluated_scene(depsgraph);
	ViewLayer *view_layer = DEG_get_evaluated_view_layer(depsgraph);			ViewLayer *view_layer = DEG_get_evaluated_view_layer(depsgraph);
	RenderEngineType *engine_type = engine->type;			RenderEngineType *engine_type = engine->type;
	DrawEngineType *draw_engine_type = engine_type->draw_engine;			DrawEngineType *draw_engine_type = engine_type->draw_engine;
	Render *render = engine->re;			Render *render = engine->re;

				/* HD4000 series Intel Devices on Windows aren't able to share shaders between contextes.
				jbakkerAuthorUnsubmitted Done Inline Actions HD4000 Series jbakker: HD4000 Series
				* For image rendering these iGPUs are scheduled on the main thread so they can share the same
				* context.
				*
				jbakkerAuthorUnsubmitted Done Inline Actions these devices are officially supported jbakker: these devices are officially supported
				* TODO: This ignores icon/preview rendering; adding support in a clean way requires an overhaul
				* icon/preview rendering. */
				if (!BLI_thread_is_main() && GPU_main_thread_workaround()) {
				return;
				}

	/* IMPORTANT: We don't support immediate mode in render mode!			/* IMPORTANT: We don't support immediate mode in render mode!
	* This shall remain in effect until immediate mode supports			* This shall remain in effect until immediate mode supports
	* multiple threads. */			* multiple threads. */

	/* Reset before using it. */			/* Reset before using it. */
	drw_state_prepare_clean_for_draw(&DST);			drw_state_prepare_clean_for_draw(&DST);
	DST.options.is_image_render = true;			DST.options.is_image_render = true;
	DST.options.is_scene_render = true;			DST.options.is_scene_render = true;
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	{			{
	if (G.background && DST.gl_context == NULL) {			if (G.background && DST.gl_context == NULL) {
	WM_init_opengl(G_MAIN);			WM_init_opengl(G_MAIN);
	}			}

	void *re_gl_context = RE_gl_context_get(render);			void *re_gl_context = RE_gl_context_get(render);

	/* Changing Context */			/* Changing Context */
	if (re_gl_context != NULL) {			if (re_gl_context != NULL && !GPU_main_thread_workaround()) {
	DRW_opengl_render_context_enable(re_gl_context);			DRW_opengl_render_context_enable(re_gl_context);
	/* We need to query gpu context after a gl context has been bound. */			/* We need to query gpu context after a gl context has been bound. */
	void *re_gpu_context = NULL;			void *re_gpu_context = NULL;
	re_gpu_context = RE_gpu_context_get(render);			re_gpu_context = RE_gpu_context_get(render);
	DRW_gpu_render_context_enable(re_gpu_context);			DRW_gpu_render_context_enable(re_gpu_context);
	}			}
	else {			else {
	DRW_opengl_context_enable();			DRW_opengl_context_enable();
	}			}
	}			}

	void DRW_render_context_disable(Render *render)			void DRW_render_context_disable(Render *render)
	{			{
	void *re_gl_context = RE_gl_context_get(render);			void *re_gl_context = RE_gl_context_get(render);

	if (re_gl_context != NULL) {			if (re_gl_context != NULL && !GPU_main_thread_workaround()) {
	void *re_gpu_context = NULL;			void *re_gpu_context = NULL;
	re_gpu_context = RE_gpu_context_get(render);			re_gpu_context = RE_gpu_context_get(render);
	DRW_gpu_render_context_disable(re_gpu_context);			DRW_gpu_render_context_disable(re_gpu_context);
	DRW_opengl_render_context_disable(re_gl_context);			DRW_opengl_render_context_disable(re_gl_context);
	}			}
	else {			else {
	DRW_opengl_context_disable();			DRW_opengl_context_disable();
	}			}
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