[Bf-blender-cvs] [4d8cf13] master: Cycles: Add bump feature for selective nodes compilation
Sergey Sharybin
noreply at git.blender.org
Mon Jun 1 16:50:08 CEST 2015
Commit: 4d8cf1329df3cf545acbe369e3d7c39428cf91d2
Author: Sergey Sharybin
Date: Mon Jun 1 15:26:36 2015 +0500
Branches: master
https://developer.blender.org/rB4d8cf1329df3cf545acbe369e3d7c39428cf91d2
Cycles: Add bump feature for selective nodes compilation
For now it is unused in the kernel, actual usage will come with
the next commits.
===================================================================
M intern/cycles/kernel/svm/svm_types.h
M intern/cycles/render/graph.h
M intern/cycles/render/shader.cpp
===================================================================
diff --git a/intern/cycles/kernel/svm/svm_types.h b/intern/cycles/kernel/svm/svm_types.h
index 8bf6c64..11dc14f 100644
--- a/intern/cycles/kernel/svm/svm_types.h
+++ b/intern/cycles/kernel/svm/svm_types.h
@@ -43,7 +43,12 @@ CCL_NAMESPACE_BEGIN
#define NODE_FEATURE_VOLUME (1 << 0)
#define NODE_FEATURE_HAIR (1 << 1)
-#define NODE_FEATURE_ALL (NODE_FEATURE_VOLUME|NODE_FEATURE_HAIR)
+#define NODE_FEATURE_BUMP (1 << 2)
+/* TODO(sergey): Consider using something like ((uint)(-1)).
+ * Need to ceck carefully operand types around usage of this
+ * define first.
+ */
+#define NODE_FEATURE_ALL (NODE_FEATURE_VOLUME|NODE_FEATURE_HAIR|NODE_FEATURE_BUMP)
typedef enum NodeType {
NODE_END = 0,
diff --git a/intern/cycles/render/graph.h b/intern/cycles/render/graph.h
index 1a17909..93341b5 100644
--- a/intern/cycles/render/graph.h
+++ b/intern/cycles/render/graph.h
@@ -225,7 +225,7 @@ public:
* so it's possible to disable huge nodes inside of the required
* nodes group.
*/
- virtual int get_feature() { return 0; }
+ virtual int get_feature() { return bump == SHADER_BUMP_NONE ? 0 : NODE_FEATURE_BUMP; }
};
diff --git a/intern/cycles/render/shader.cpp b/intern/cycles/render/shader.cpp
index 6672793..2f8eabb 100644
--- a/intern/cycles/render/shader.cpp
+++ b/intern/cycles/render/shader.cpp
@@ -487,6 +487,7 @@ void ShaderManager::get_requested_features(Scene *scene, int& max_group, int& fe
features = 0;
for(int i = 0; i < scene->shaders.size(); i++) {
Shader *shader = scene->shaders[i];
+ /* Gather requested features from all the nodes from the graph nodes. */
foreach(ShaderNode *node, shader->graph->nodes) {
max_group = min(max_group, node->get_group());
features |= node->get_feature();
@@ -497,6 +498,11 @@ void ShaderManager::get_requested_features(Scene *scene, int& max_group, int& fe
}
}
}
+ /* Gather requested features from the graph itself. */
+ ShaderNode *output_node = shader->graph->output();
+ if(output_node->input("Displacement")->link != NULL) {
+ features |= NODE_FEATURE_BUMP;
+ }
}
}
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