Commit: 3f4e3f718fdc1163cc52a84d85978fa94b230211
Author: Brecht Van Lommel
Date:   Fri Dec 28 18:37:05 2018 +0100
Branches: master
https://developer.blender.org/rB3f4e3f718fdc1163cc52a84d85978fa94b230211

Cycles: restore old sample and material override settings for view layers.

Since there will be no view layer overrides in 2.80, this is needed still.

===================================================================

M       intern/cycles/blender/addon/properties.py
M       intern/cycles/blender/addon/ui.py
M       intern/cycles/blender/blender_mesh.cpp
M       intern/cycles/blender/blender_session.cpp
M       intern/cycles/blender/blender_sync.cpp
M       intern/cycles/blender/blender_sync.h
M       source/blender/blenkernel/BKE_layer.h
M       source/blender/blenkernel/intern/layer.c
M       source/blender/blenkernel/intern/library_query.c
M       source/blender/blenloader/intern/versioning_280.c
M       source/blender/depsgraph/intern/builder/deg_builder_nodes_view_layer.cc
M       
source/blender/depsgraph/intern/builder/deg_builder_relations_view_layer.cc
M       source/blender/makesdna/DNA_layer_types.h
M       source/blender/makesdna/DNA_scene_types.h
M       source/blender/makesrna/intern/rna_internal.h
M       source/blender/makesrna/intern/rna_scene.c
M       source/blender/render/intern/source/render_result.c

===================================================================

diff --git a/intern/cycles/blender/addon/properties.py 
b/intern/cycles/blender/addon/properties.py
index 243e0571a97..3f6c6de5c5e 100644
--- a/intern/cycles/blender/addon/properties.py
+++ b/intern/cycles/blender/addon/properties.py
@@ -272,7 +272,7 @@ class CyclesRenderSettings(bpy.types.PropertyGroup):
 
     use_layer_samples: EnumProperty(
         name="Layer Samples",
-        description="How to use per render layer sample settings",
+        description="How to use per view layer sample settings",
         items=enum_use_layer_samples,
         default='USE',
     )
diff --git a/intern/cycles/blender/addon/ui.py 
b/intern/cycles/blender/addon/ui.py
index f5e7e98b40e..667547633b4 100644
--- a/intern/cycles/blender/addon/ui.py
+++ b/intern/cycles/blender/addon/ui.py
@@ -244,6 +244,12 @@ class 
CYCLES_RENDER_PT_sampling_advanced(CyclesButtonsPanel, Panel):
             col.prop(cscene, "sample_all_lights_direct")
             col.prop(cscene, "sample_all_lights_indirect")
 
+        for view_layer in scene.view_layers:
+            if view_layer.samples > 0:
+                layout.separator()
+                layout.row().prop(cscene, "use_layer_samples")
+                break
+
 
 class CYCLES_RENDER_PT_sampling_total(CyclesButtonsPanel, Panel):
     bl_label = "Total Samples"
@@ -720,6 +726,22 @@ class CYCLES_RENDER_PT_filter(CyclesButtonsPanel, Panel):
             col.active = rd.use_freestyle
 
 
+class CYCLES_RENDER_PT_override(CyclesButtonsPanel, Panel):
+    bl_label = "Override"
+    bl_options = {'DEFAULT_CLOSED'}
+    bl_context = "view_layer"
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+        layout.use_property_decorate = False
+
+        view_layer = context.view_layer
+
+        layout.prop(view_layer, "material_override")
+        layout.prop(view_layer, "samples")
+
+
 class CYCLES_RENDER_PT_passes(CyclesButtonsPanel, Panel):
     bl_label = "Passes"
     bl_context = "view_layer"
@@ -2098,6 +2120,7 @@ classes = (
     CYCLES_RENDER_PT_performance_final_render,
     CYCLES_RENDER_PT_performance_viewport,
     CYCLES_RENDER_PT_filter,
+    CYCLES_RENDER_PT_override,
     CYCLES_RENDER_PT_passes,
     CYCLES_RENDER_PT_passes_data,
     CYCLES_RENDER_PT_passes_light,
diff --git a/intern/cycles/blender/blender_mesh.cpp 
b/intern/cycles/blender/blender_mesh.cpp
index 701dba61b50..7a85ff27e53 100644
--- a/intern/cycles/blender/blender_mesh.cpp
+++ b/intern/cycles/blender/blender_mesh.cpp
@@ -985,18 +985,27 @@ Mesh *BlenderSync::sync_mesh(BL::Depsgraph& b_depsgraph,
        /* test if we can instance or if the object is modified */
        BL::ID b_ob_data = b_ob.data();
        BL::ID key = (BKE_object_is_modified(b_ob))? b_ob_instance: b_ob_data;
+       BL::Material material_override = view_layer.material_override;
 
        /* find shader indices */
        vector<Shader*> used_shaders;
 
        BL::Object::material_slots_iterator slot;
        for(b_ob.material_slots.begin(slot); slot != b_ob.material_slots.end(); 
++slot) {
-               BL::ID b_material(slot->material());
-               find_shader(b_material, used_shaders, scene->default_surface);
+               if(material_override) {
+                       find_shader(material_override, used_shaders, 
scene->default_surface);
+               }
+               else {
+                       BL::ID b_material(slot->material());
+                       find_shader(b_material, used_shaders, 
scene->default_surface);
+               }
        }
 
        if(used_shaders.size() == 0) {
-               used_shaders.push_back(scene->default_surface);
+               if(material_override)
+                       find_shader(material_override, used_shaders, 
scene->default_surface);
+               else
+                       used_shaders.push_back(scene->default_surface);
        }
 
        /* test if we need to sync */
diff --git a/intern/cycles/blender/blender_session.cpp 
b/intern/cycles/blender/blender_session.cpp
index 58d3b57a67e..f84eefd0233 100644
--- a/intern/cycles/blender/blender_session.cpp
+++ b/intern/cycles/blender/blender_session.cpp
@@ -481,13 +481,15 @@ void BlenderSession::render(BL::Depsgraph& b_depsgraph_)
                        scene->integrator->tag_update(scene);
                }
 
-               int effective_layer_samples = session_params.samples;
+               /* Update number of samples per layer. */
+               int samples = sync->get_layer_samples();
+               bool bound_samples = sync->get_layer_bound_samples();
+               int effective_layer_samples;
 
-               /* TODO: Update number of samples per layer. */
-#if 0
                if(samples != 0 && (!bound_samples || (samples < 
session_params.samples)))
                        effective_layer_samples = samples;
-#endif
+               else
+                       effective_layer_samples = session_params.samples;
 
                /* Update tile manager if we're doing resumable render. */
                update_resumable_tile_manager(effective_layer_samples);
diff --git a/intern/cycles/blender/blender_sync.cpp 
b/intern/cycles/blender/blender_sync.cpp
index 38e0e66b91b..60192bfa8f8 100644
--- a/intern/cycles/blender/blender_sync.cpp
+++ b/intern/cycles/blender/blender_sync.cpp
@@ -372,6 +372,25 @@ void BlenderSync::sync_view_layer(BL::SpaceView3D& 
/*b_v3d*/, BL::ViewLayer& b_v
        view_layer.use_background_ao = b_view_layer.use_ao();
        view_layer.use_surfaces = b_view_layer.use_solid();
        view_layer.use_hair = b_view_layer.use_strand();
+
+       /* Material override. */
+       view_layer.material_override = b_view_layer.material_override();
+
+       /* Sample override. */
+       PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
+       int use_layer_samples = get_enum(cscene, "use_layer_samples");
+
+       view_layer.bound_samples = (use_layer_samples == 1);
+       view_layer.samples = 0;
+
+       if(use_layer_samples != 2) {
+               int samples = b_view_layer.samples();
+               if(get_boolean(cscene, "use_square_samples"))
+                       view_layer.samples = samples * samples;
+               else
+                       view_layer.samples = samples;
+       }
+
 }
 
 /* Images */
diff --git a/intern/cycles/blender/blender_sync.h 
b/intern/cycles/blender/blender_sync.h
index 7290ea0cee0..bf16de4a9c9 100644
--- a/intern/cycles/blender/blender_sync.h
+++ b/intern/cycles/blender/blender_sync.h
@@ -78,6 +78,8 @@ public:
        void sync_view(BL::SpaceView3D& b_v3d,
                       BL::RegionView3D& b_rv3d,
                       int width, int height);
+       inline int get_layer_samples() { return view_layer.samples; }
+       inline int get_layer_bound_samples() { return view_layer.bound_samples; 
}
 
        /* get parameters */
        static SceneParams get_scene_params(BL::Scene& b_scene,
@@ -191,18 +193,23 @@ private:
 
        struct RenderLayerInfo {
                RenderLayerInfo()
-               : use_background_shader(true),
+               : material_override(PointerRNA_NULL),
+                 use_background_shader(true),
                  use_background_ao(true),
                  use_surfaces(true),
-                 use_hair(true)
+                 use_hair(true),
+                 samples(0),
+                 bound_samples(false)
                {}
 
                string name;
-               uint view_layer;
+               BL::Material material_override;
                bool use_background_shader;
                bool use_background_ao;
                bool use_surfaces;
                bool use_hair;
+               int samples;
+               bool bound_samples;
        } view_layer;
 
        Progress &progress;
diff --git a/source/blender/blenkernel/BKE_layer.h 
b/source/blender/blenkernel/BKE_layer.h
index 2abdaf103f9..9ac0c56d93f 100644
--- a/source/blender/blenkernel/BKE_layer.h
+++ b/source/blender/blenkernel/BKE_layer.h
@@ -117,16 +117,6 @@ bool BKE_layer_collection_has_selected_objects(
 void BKE_base_set_visible(struct Scene *scene, struct ViewLayer *view_layer, 
struct Base *base, bool extend);
 void BKE_layer_collection_set_visible(struct Scene *scene, struct ViewLayer 
*view_layer, struct LayerCollection *lc, bool extend);
 
-/* override */
-
-void BKE_override_view_layer_datablock_add(
-        struct ViewLayer *view_layer, int id_type, const char *data_path, 
const struct ID *owner_id);
-void BKE_override_view_layer_int_add(
-        struct ViewLayer *view_layer, int id_type, const char *data_path, 
const int value);
-
-void BKE_override_layer_collection_boolean_add(
-        struct LayerCollection *layer_collection, int id_type, const char 
*data_path, const bool value);
-
 /* evaluation */
 
 void BKE_layer_eval_view_layer(
diff --git a/source/blender/blenkernel/intern/layer.c 
b/source/blender/blenkernel/intern/layer.c
index 3fedd380f72..572dba4d83b 100644
--- a/source/blender/blenkernel/intern/layer.c
+++ b/source/blender/blenkernel/intern/layer.c
@@ -1057,39 +1057,6 @@ bool BKE_scene_has_object(Scene *scene, Object *ob)
        return false;
 }
 
-/* ---------------------------------------------------------------------- */
-/* Override */
-
-/**
- * Add a new datablock override
- */
-void BKE_override_view_layer_datablock_add(
-        ViewLayer *view_layer, int id_type, const char *data_path, const ID 
*owner_id)
-{
-       UNUSED_VARS(view_layer, id_type, data_path, owner_id);
-       TODO_LAYER_OVERRIDE;
-}
-
-/**
- * Add a new int override
- */
-void BKE_override_view_layer_int_add(
-        ViewLayer *view_layer, int id_type, const char *data_path, const int 
value)
-{
-       UNUSED_VARS(view_layer, id_type, data_path, value);
-       TODO_LAYER_OVERRIDE;
-}
-
-/**
- * Add a new boolean override
- */
-void BKE_override_layer_collection_boolean_add(
-        struct LayerCollection *layer_collection, int id_type, const char 
*data_path, const bool value)
-{
-       UNUSED_VARS(layer_collection, id_type, data_path, value);
-       TODO_LAYER_OVERRIDE;
-}
-
 /** \} */
 
 /* Iterators */
diff --git a/source/blender/blenkernel/intern/library_query.c 
b/source/blender/blenkernel/intern/library_query.c
index ab50cf8b0a8..2134c02b63d 100644
--- a/source/blender/blenkernel/intern/library_query.c
+++ b/source/blender/blenkernel/intern/library_query.c
@@ -438,6 +438,8 @@ void BKE_library_foreach_ID_link(Main *bmain, ID *id, 
LibraryIDLinkCallback call
 
                                ViewLayer *view_layer;
                                for (view_layer = scene->view_layers.first; 
view_layer; view_layer = view_layer->next) {
+                                       
CALLBACK_INVOKE(view_layer->mat_override, IDWALK_CB_USER);
+
                                        for (Base *base = 
view_layer->object_bases.first; base; base = base->next) {
                                                CALLBACK_INVOKE(base->object, 
IDWALK_CB_NOP);
                                        }
diff --git a/source/blender/blenloader/intern/versioning_280.c 
b/source/blender/blenloader/intern/versioning_280.c
index 1529e6693fb..ab5f1a30d04 100644
--- a/source/blender/blenloader/intern/versioning_280.c
+++ b/source/blender/blenloader/intern/versioning_280.c
@@ -460,28 +460,6 @@ static void do_version_layers_to_collections(Main *bmain, 
Scene *scene)
        for (SceneRenderLayer *srl = scene->r.layers.first; srl; srl = srl->nex

@@ Diff output truncated at 10240 characters. @@

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