1 files changed, 114 insertions, 8 deletions

diff --git a/source/blender/makesrna/intern/rna_render.c b/source/blender/makesrna/intern/rna_render.c
index 1498d161209..530d162b1fe 100644
--- a/source/blender/makesrna/intern/rna_render.c
+++ b/source/blender/makesrna/intern/rna_render.c
@@ -48,12 +48,39 @@
 #include "BKE_context.h"
 #include "BKE_report.h"
 
-/* RenderEngine */
+/* RenderEngine Callbacks */
+
+void engine_tag_redraw(RenderEngine *engine)
+{
+	engine->flag |= RE_ENGINE_DO_DRAW;
+}
+
+void engine_tag_update(RenderEngine *engine)
+{
+	engine->flag |= RE_ENGINE_DO_UPDATE;
+}
+
+static void engine_update(RenderEngine *engine, Main *bmain, Scene *scene)
+{
+	extern FunctionRNA rna_RenderEngine_update_func;
+	PointerRNA ptr;
+	ParameterList list;
+	FunctionRNA *func;
+
+	RNA_pointer_create(NULL, engine->type->ext.srna, engine, &ptr);
+	func= &rna_RenderEngine_update_func;
+
+	RNA_parameter_list_create(&list, &ptr, func);
+	RNA_parameter_set_lookup(&list, "data", &bmain);
+	RNA_parameter_set_lookup(&list, "scene", &scene);
+	engine->type->ext.call(NULL, &ptr, func, &list);
+
+	RNA_parameter_list_free(&list);
+}
 
 static void engine_render(RenderEngine *engine, struct Scene *scene)
 {
 	extern FunctionRNA rna_RenderEngine_render_func;
-
 	PointerRNA ptr;
 	ParameterList list;
 	FunctionRNA *func;
@@ -68,6 +95,40 @@ static void engine_render(RenderEngine *engine, struct Scene *scene)
 	RNA_parameter_list_free(&list);
 }
 
+static void engine_view_update(RenderEngine *engine, const struct bContext *context)
+{
+	extern FunctionRNA rna_RenderEngine_view_update_func;
+	PointerRNA ptr;
+	ParameterList list;
+	FunctionRNA *func;
+
+	RNA_pointer_create(NULL, engine->type->ext.srna, engine, &ptr);
+	func= &rna_RenderEngine_view_update_func;
+
+	RNA_parameter_list_create(&list, &ptr, func);
+	RNA_parameter_set_lookup(&list, "context", &context);
+	engine->type->ext.call(NULL, &ptr, func, &list);
+
+	RNA_parameter_list_free(&list);
+}
+
+static void engine_view_draw(RenderEngine *engine, const struct bContext *context)
+{
+	extern FunctionRNA rna_RenderEngine_view_draw_func;
+	PointerRNA ptr;
+	ParameterList list;
+	FunctionRNA *func;
+
+	RNA_pointer_create(NULL, engine->type->ext.srna, engine, &ptr);
+	func= &rna_RenderEngine_view_draw_func;
+
+	RNA_parameter_list_create(&list, &ptr, func);
+	RNA_parameter_set_lookup(&list, "context", &context);
+	engine->type->ext.call(NULL, &ptr, func, &list);
+
+	RNA_parameter_list_free(&list);
+}
+
 /* RenderEngine registration */
 
 static void rna_RenderEngine_unregister(Main *UNUSED(bmain), StructRNA *type)
@@ -87,7 +148,7 @@ static StructRNA *rna_RenderEngine_register(Main *bmain, ReportList *reports, vo
 	RenderEngineType *et, dummyet = {NULL};
 	RenderEngine dummyengine= {NULL};
 	PointerRNA dummyptr;
-	int have_function[1];
+	int have_function[4];
 
 	/* setup dummy engine & engine type to store static properties in */
 	dummyengine.type= &dummyet;
@@ -122,13 +183,22 @@ static StructRNA *rna_RenderEngine_register(Main *bmain, ReportList *reports, vo
 	et->ext.free= free;
 	RNA_struct_blender_type_set(et->ext.srna, et);
 
-	et->render= (have_function[0])? engine_render: NULL;
+	et->update= (have_function[0])? engine_update: NULL;
+	et->render= (have_function[1])? engine_render: NULL;
+	et->view_update= (have_function[2])? engine_view_update: NULL;
+	et->view_draw= (have_function[3])? engine_view_draw: NULL;
 
 	BLI_addtail(&R_engines, et);
 
 	return et->ext.srna;
 }
 
+static void **rna_RenderEngine_instance(PointerRNA *ptr)
+{
+	RenderEngine *engine = ptr->data;
+	return &engine->py_instance;
+}
+
 static StructRNA* rna_RenderEngine_refine(PointerRNA *ptr)
 {
 	RenderEngine *engine= (RenderEngine*)ptr->data;
@@ -203,14 +273,39 @@ static void rna_def_render_engine(BlenderRNA *brna)
 	RNA_def_struct_sdna(srna, "RenderEngine");
 	RNA_def_struct_ui_text(srna, "Render Engine", "Render engine");
 	RNA_def_struct_refine_func(srna, "rna_RenderEngine_refine");
-	RNA_def_struct_register_funcs(srna, "rna_RenderEngine_register", "rna_RenderEngine_unregister", NULL);
+	RNA_def_struct_register_funcs(srna, "rna_RenderEngine_register", "rna_RenderEngine_unregister", "rna_RenderEngine_instance");
+
+	/* final render callbacks */
+	func= RNA_def_function(srna, "update", NULL);
+	RNA_def_function_ui_description(func, "Export scene data for render");
+	RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
+	RNA_def_pointer(func, "data", "BlendData", "", "");
+	RNA_def_pointer(func, "scene", "Scene", "", "");
 
-	/* render */
 	func= RNA_def_function(srna, "render", NULL);
 	RNA_def_function_ui_description(func, "Render scene into an image");
-	RNA_def_function_flag(func, FUNC_REGISTER);
+	RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
 	RNA_def_pointer(func, "scene", "Scene", "", "");
 
+	/* viewport render callbacks */
+	func= RNA_def_function(srna, "view_update", NULL);
+	RNA_def_function_ui_description(func, "Update on data changes for viewport render");
+	RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
+	RNA_def_pointer(func, "context", "Context", "", "");
+
+	func= RNA_def_function(srna, "view_draw", NULL);
+	RNA_def_function_ui_description(func, "Draw viewport render");
+	RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
+	RNA_def_pointer(func, "context", "Context", "", "");
+
+	/* tag for redraw */
+	RNA_def_function(srna, "tag_redraw", "engine_tag_redraw");
+	RNA_def_function_ui_description(func, "Request redraw for viewport rendering");
+
+	/* tag for update */
+	RNA_def_function(srna, "tag_update", "engine_tag_update");
+	RNA_def_function_ui_description(func, "Request update call for viewport rendering");
+
 	func= RNA_def_function(srna, "begin_result", "RE_engine_begin_result");
 	prop= RNA_def_int(func, "x", 0, 0, INT_MAX, "X", "", 0, INT_MAX);
 	RNA_def_property_flag(prop, PROP_REQUIRED);
@@ -251,9 +346,16 @@ static void rna_def_render_engine(BlenderRNA *brna)
 	prop= RNA_def_string(func, "message", "", 0, "Report Message", "");
 	RNA_def_property_flag(prop, PROP_REQUIRED);
 
-	/* registration */
 	RNA_define_verify_sdna(0);
 
+	prop= RNA_def_property(srna, "is_animation", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "flag", RE_ENGINE_ANIMATION);
+
+	prop= RNA_def_property(srna, "is_preview", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "flag", RE_ENGINE_PREVIEW);
+
+	/* registration */
+
 	prop= RNA_def_property(srna, "bl_idname", PROP_STRING, PROP_NONE);
 	RNA_def_property_string_sdna(prop, NULL, "type->idname");
 	RNA_def_property_flag(prop, PROP_REGISTER|PROP_NEVER_CLAMP);
@@ -270,6 +372,10 @@ static void rna_def_render_engine(BlenderRNA *brna)
 	RNA_def_property_boolean_negative_sdna(prop, NULL, "type->flag", RE_USE_POSTPROCESS);
 	RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);
 
+	prop= RNA_def_property(srna, "bl_use_shading_nodes", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "type->flag", RE_USE_SHADING_NODES);
+	RNA_def_property_flag(prop, PROP_REGISTER_OPTIONAL);
+
 	RNA_define_verify_sdna(1);
 }