ECM2

Assets/VolumetricLightBeam/Shaders/ShaderPropertySystem.cginc

@@ -0,0 +1,39 @@
+// UNITY_SHADER_NO_UPGRADE
+
+#ifndef _VLB_SHADER_PROPERTY_SYSTEM_INCLUDED_
+#define _VLB_SHADER_PROPERTY_SYSTEM_INCLUDED_
+
+/// ****************************************
+/// PROPERTIES MACROS
+/// ****************************************
+#if VLB_INSTANCING_API_AVAILABLE && VLB_GPU_INSTANCING
+    #if UNITY_VERSION < 201730 // https://unity3d.com/fr/unity/beta/unity2017.3.0b1
+        // PRE UNITY 2017.3
+        // for some reason, letting the default UNITY_MAX_INSTANCE_COUNT value generates the following error:
+        // "Internal error communicating with the shader compiler process"
+        #define UNITY_MAX_INSTANCE_COUNT 150
+        #define VLB_DEFINE_PROP_START UNITY_INSTANCING_CBUFFER_START(Props)
+        #define VLB_DEFINE_PROP_END UNITY_INSTANCING_CBUFFER_END
+        #define VLB_GET_PROP(name) UNITY_ACCESS_INSTANCED_PROP(name)
+    #else
+        // POST UNITY 2017.3
+        #define VLB_DEFINE_PROP_START UNITY_INSTANCING_BUFFER_START(Props)
+        #define VLB_DEFINE_PROP_END UNITY_INSTANCING_BUFFER_END(Props)
+        #define VLB_GET_PROP(name) UNITY_ACCESS_INSTANCED_PROP(Props, name)
+    #endif
+
+    #define VLB_DEFINE_PROP(type, name) UNITY_DEFINE_INSTANCED_PROP(type, name)
+#elif VLB_SRP_API && VLB_SRP_BATCHER
+    #define VLB_DEFINE_PROP_START CBUFFER_START(UnityPerMaterial)
+    #define VLB_DEFINE_PROP_END CBUFFER_END
+    #define VLB_DEFINE_PROP(type, name) type name;
+    #define VLB_GET_PROP(name) name
+#else
+    #define VLB_DEFINE_PROP_START
+    #define VLB_DEFINE_PROP_END
+    #define VLB_DEFINE_PROP(type, name) uniform type name;
+    #define VLB_GET_PROP(name) name
+#endif
+/// ****************************************
+
+#endif