Proof-of-concept implementation of Freestyle support for Cycles.

5 files changed, 21 insertions, 5 deletions

diff --git a/release/scripts/startup/bl_ui/properties_freestyle.py b/release/scripts/startup/bl_ui/properties_freestyle.py
index 4392a0dc993..d9e2ffb8b2f 100644
--- a/release/scripts/startup/bl_ui/properties_freestyle.py
+++ b/release/scripts/startup/bl_ui/properties_freestyle.py
@@ -39,7 +39,7 @@ class RenderFreestyleButtonsPanel():
 class RENDER_PT_freestyle(RenderFreestyleButtonsPanel, Panel):
     bl_label = "Freestyle"
     bl_options = {'DEFAULT_CLOSED'}
-    COMPAT_ENGINES = {'BLENDER_RENDER'}
+    COMPAT_ENGINES = {'BLENDER_RENDER', 'CYCLES'}
 
     def draw_header(self, context):
         rd = context.scene.render
@@ -111,7 +111,7 @@ class RENDER_MT_lineset_specials(Menu):
 
 class RENDERLAYER_PT_freestyle(RenderLayerFreestyleButtonsPanel, Panel):
     bl_label = "Freestyle"
-    COMPAT_ENGINES = {'BLENDER_RENDER'}
+    COMPAT_ENGINES = {'BLENDER_RENDER', 'CYCLES'}
 
     def draw(self, context):
         layout = self.layout
@@ -165,7 +165,7 @@ class RENDERLAYER_PT_freestyle(RenderLayerFreestyleButtonsPanel, Panel):
 
 class RENDERLAYER_PT_freestyle_lineset(RenderLayerFreestyleEditorButtonsPanel, Panel):
     bl_label = "Freestyle Line Set"
-    COMPAT_ENGINES = {'BLENDER_RENDER'}
+    COMPAT_ENGINES = {'BLENDER_RENDER', 'CYCLES'}
 
     def draw_edge_type_buttons(self, box, lineset, edge_type):
         # property names
@@ -257,7 +257,7 @@ class RENDERLAYER_PT_freestyle_lineset(RenderLayerFreestyleEditorButtonsPanel, P
 class RENDERLAYER_PT_freestyle_linestyle(RenderLayerFreestyleEditorButtonsPanel, Panel):
     bl_label = "Freestyle Line Style"
     bl_options = {'DEFAULT_CLOSED'}
-    COMPAT_ENGINES = {'BLENDER_RENDER'}
+    COMPAT_ENGINES = {'BLENDER_RENDER', 'CYCLES'}
 
     def draw_modifier_box_header(self, box, modifier):
         row = box.row()
diff --git a/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp b/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
index d47f4e5d910..f232dfb75aa 100644
--- a/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
+++ b/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
@@ -98,7 +98,7 @@ BlenderStrokeRenderer::BlenderStrokeRenderer(Render *re, int render_count) : Str
 	freestyle_scene->r.filtertype = old_scene->r.filtertype;
 	freestyle_scene->r.gauss = old_scene->r.gauss;
 	freestyle_scene->r.dither_intensity = old_scene->r.dither_intensity;
-	BLI_strncpy(freestyle_scene->r.engine, old_scene->r.engine, sizeof(freestyle_scene->r.engine));
+	strcpy(freestyle_scene->r.engine, "BLENDER_RENDER"); // old_scene->r.engine
 	freestyle_scene->r.im_format.planes = R_IMF_PLANES_RGBA; 
 	freestyle_scene->r.im_format.imtype = R_IMF_IMTYPE_PNG;
 	BKE_scene_disable_color_management(freestyle_scene);
diff --git a/source/blender/render/extern/include/RE_pipeline.h b/source/blender/render/extern/include/RE_pipeline.h
index 68ac0cd3073..4ab0f5a234d 100644
--- a/source/blender/render/extern/include/RE_pipeline.h
+++ b/source/blender/render/extern/include/RE_pipeline.h
@@ -234,6 +234,7 @@ void RE_BlenderAnim(struct Render *re, struct Main *bmain, struct Scene *scene,
                     unsigned int lay_override, int sfra, int efra, int tfra);
 #ifdef WITH_FREESTYLE
 void RE_RenderFreestyleStrokes(struct Render *re, struct Main *bmain, struct Scene *scene, int render);
+void RE_RenderFreestyleExternal(struct Render *re);
 #endif
 
 /* error reporting */
diff --git a/source/blender/render/intern/source/external_engine.c b/source/blender/render/intern/source/external_engine.c
index 3c35d500948..d253f4b5d05 100644
--- a/source/blender/render/intern/source/external_engine.c
+++ b/source/blender/render/intern/source/external_engine.c
@@ -647,6 +647,11 @@ int RE_engine_render(Render *re, int do_all)
 	if (type->render)
 		type->render(engine, re->scene);
 
+#ifdef WITH_FREESTYLE
+	if (re->r.mode & R_EDGE_FRS)
+		RE_RenderFreestyleExternal(re);
+#endif
+
 	engine->tile_x = 0;
 	engine->tile_y = 0;
 	engine->flag &= ~RE_ENGINE_RENDERING;
diff --git a/source/blender/render/intern/source/pipeline.c b/source/blender/render/intern/source/pipeline.c
index 9e14645a732..aaaa53bd54c 100644
--- a/source/blender/render/intern/source/pipeline.c
+++ b/source/blender/render/intern/source/pipeline.c
@@ -2810,6 +2810,16 @@ void RE_RenderFreestyleStrokes(Render *re, Main *bmain, Scene *scene, int render
 	}
 	re->result_ok = 1;
 }
+
+void RE_RenderFreestyleExternal(Render *re)
+{
+	if (!re->test_break(re->tbh)) {
+		RE_Database_FromScene(re, re->main, re->scene, re->lay, 1);
+		RE_Database_Preprocess(re);
+		add_freestyle(re, 1);
+		RE_Database_Free(re);
+	}
+}
 #endif
 
 static int do_write_image_or_movie(Render *re, Main *bmain, Scene *scene, bMovieHandle *mh, const char *name_override)