Land D2339 by bliblu bli

intern/cycles/device/device.cpp

@@ -64,6 +64,8 @@ std::ostream& operator <<(std::ostream &os,
 	   << string_from_bool(requested_features.use_integrator_branched) << std::endl;
 	os << "Use Patch Evaluation: "
 	   << string_from_bool(requested_features.use_patch_evaluation) << std::endl;
+	os << "Use Transparent Shadows: "
+	   << string_from_bool(requested_features.use_transparent) << std::endl;
 	return os;
 }
 

intern/cycles/device/device.h

@@ -117,6 +117,9 @@ public:
 
 	/* Use OpenSubdiv patch evaluation */
 	bool use_patch_evaluation;
+	
+	/* Use Transparent shadows */
+	bool use_transparent;
 
 	DeviceRequestedFeatures()
 	{
@@ -133,6 +136,7 @@ public:
 		use_volume = false;
 		use_integrator_branched = false;
 		use_patch_evaluation = false;
+		use_transparent = false;
 	}
 
 	bool modified(const DeviceRequestedFeatures& requested_features)
@@ -148,7 +152,8 @@ public:
 		         use_subsurface == requested_features.use_subsurface &&
 		         use_volume == requested_features.use_volume &&
 		         use_integrator_branched == requested_features.use_integrator_branched &&
-		         use_patch_evaluation == requested_features.use_patch_evaluation);
+		         use_patch_evaluation == requested_features.use_patch_evaluation &&
+		         use_transparent == requested_features.use_transparent);
 	}
 
 	/* Convert the requested features structure to a build options,
@@ -189,6 +194,9 @@ public:
 		if(!use_patch_evaluation) {
 			build_options += " -D__NO_PATCH_EVAL__";
 		}
+		if(!use_transparent) {
+			build_options += " -D__NO_TRANSPARENT__";
+		}
 		return build_options;
 	}
 };

intern/cycles/kernel/kernel_types.h

@@ -192,6 +192,9 @@ CCL_NAMESPACE_BEGIN
 #ifdef __NO_PATCH_EVAL__
 #  undef __PATCH_EVAL__
 #endif
+#ifdef __NO_TRANSPARENT__
+#  undef __TRANSPARENT_SHADOWS__
+#endif
 
 /* Random Numbers */
 

intern/cycles/render/session.cpp

@@ -636,6 +636,7 @@ DeviceRequestedFeatures Session::get_requested_device_features()
 	BakeManager *bake_manager = scene->bake_manager;
 	requested_features.use_baking = bake_manager->get_baking();
 	requested_features.use_integrator_branched = (scene->integrator->method == Integrator::BRANCHED_PATH);
+	requested_features.use_transparent &= scene->integrator->transparent_shadows;
 
 	return requested_features;
 }

intern/cycles/render/shader.cpp

@@ -571,6 +571,9 @@ void ShaderManager::get_requested_graph_features(ShaderGraph *graph,
 		if(node->has_surface_bssrdf()) {
 			requested_features->use_subsurface = true;
 		}
+		if(node->has_surface_transparent()) {
+			requested_features->use_transparent = true;
+		}
 	}
 }