Merge pull request #132 from Unity-Technologies/metal

Metal

Assets/ScriptableRenderLoop/HDRenderPipeline/Debug/Resources/DebugViewMaterialGBuffer.shader

 
             DECLARE_GBUFFER_TEXTURE(_GBufferTexture);
 
-            TEXTURE2D(_CameraDepthTexture);
+            TEXTURE2D_FLOAT(_CameraDepthTexture);
             SAMPLER2D(sampler_CameraDepthTexture);
             int         _DebugViewMaterial;
 

Assets/ScriptableRenderLoop/HDRenderPipeline/Debug/Resources/DebugViewTiles.shader

             // variable declaration
             //-------------------------------------------------------------------------------------
 
-            TEXTURE2D(_CameraDepthTexture);
+            TEXTURE2D_FLOAT(_CameraDepthTexture);
             SAMPLER2D(sampler_CameraDepthTexture);
 
             uint _ViewTilesFlags;

Assets/ScriptableRenderLoop/HDRenderPipeline/Lighting/Resources/Deferred.shader

 
             DECLARE_GBUFFER_TEXTURE(_GBufferTexture);
 
- 			TEXTURE2D(_CameraDepthTexture);
+			TEXTURE2D_FLOAT(_CameraDepthTexture);
 			SAMPLER2D(sampler_CameraDepthTexture);
 
             struct Attributes

Assets/ScriptableRenderLoop/HDRenderPipeline/Lighting/TilePass/Resources/shadeopaque.compute

 
 DECLARE_GBUFFER_TEXTURE(_GBufferTexture);
 
-TEXTURE2D(_CameraDepthTexture);
+TEXTURE2D_FLOAT(_CameraDepthTexture);
 SAMPLER2D(sampler_CameraDepthTexture);
 
 #ifdef OUTPUT_SPLIT_LIGHTING

Assets/ScriptableRenderLoop/HDRenderPipeline/Lighting/TilePass/TilePass.cs

                 var cmd = new CommandBuffer() { name = "" };
 
                 // generate screen-space AABBs (used for both fptl and clustered).
+                if (m_lightCount != 0)
                 {
                     temp.SetRow(0, new Vector4(1.0f, 0.0f, 0.0f, 0.0f));
                     temp.SetRow(1, new Vector4(0.0f, 1.0f, 0.0f, 0.0f));

Assets/ScriptableRenderLoop/HDRenderPipeline/Material/Lit/Resources/CombineSubsurfaceScattering.shader

             float4 _FilterKernel[7];  // RGB = weights, A = radial distance
             float  _FilterRadius;     // Uses world-space units
 
-            TEXTURE2D(_CameraDepthTexture);
+            TEXTURE2D_FLOAT(_CameraDepthTexture);
             TEXTURE2D(_IrradianceSource);
             SAMPLER2D(sampler_IrradianceSource);
 

Assets/ScriptableRenderLoop/HDRenderPipeline/ShaderVariables.hlsl

 CBUFFER_END
 
 // TODO: Change code here so probe volume use only one transform instead of all this parameters!
-TEXTURE3D(unity_ProbeVolumeSH);
+TEXTURE3D_FLOAT(unity_ProbeVolumeSH);
 SAMPLER3D(samplerunity_ProbeVolumeSH);
 
 CBUFFER_START(UnityProbeVolume)

Assets/ScriptableRenderLoop/HDRenderPipeline/Sky/ProceduralSky/Resources/AtmosphericScattering.hlsl

 SAMPLER2D(sampler_CameraDepthTexture);
 #define SRL_BilinearSampler sampler_CameraDepthTexture // Used for all textures
 
-TEXTURE2D(_CameraDepthTexture);
+TEXTURE2D_FLOAT(_CameraDepthTexture);
 TEXTURE2D(_OcclusionTexture);
 
 float HenyeyGreensteinPhase(float g, float cosTheta) {

Assets/ScriptableRenderLoop/ShaderLibrary/API/D3D11.hlsl

 
 #define TEXTURE2D_HALF TEXTURE2D
 #define TEXTURE2D_FLOAT TEXTURE2D
+#define TEXTURE3D_HALF TEXTURE3D
+#define TEXTURE3D_FLOAT TEXTURE3D
 #define SAMPLER2D_HALF SAMPLER2D
 #define SAMPLER2D_FLOAT SAMPLER2D
 

Assets/ScriptableRenderLoop/ShaderLibrary/API/Metal.hlsl

 
 #define TEXTURE2D_HALF TEXTURE2D
 #define TEXTURE2D_FLOAT TEXTURE2D
+#define TEXTURE3D_HALF TEXTURE3D
+#define TEXTURE3D_FLOAT TEXTURE3D
 #define SAMPLER2D_HALF SAMPLER2D
 #define SAMPLER2D_FLOAT SAMPLER2D
 

Assets/ScriptableRenderLoop/ShaderLibrary/API/PSSL.hlsl

 
 #define TEXTURE2D_HALF TEXTURE2D
 #define TEXTURE2D_FLOAT TEXTURE2D
+#define TEXTURE3D_HALF TEXTURE3D
+#define TEXTURE3D_FLOAT TEXTURE3D
 #define SAMPLER2D_HALF SAMPLER2D
 #define SAMPLER2D_FLOAT SAMPLER2D
 

Assets/ScriptableRenderLoop/fptl/FptlLighting.cs

             var cmd = new CommandBuffer() { name = "Build light list" };
 
             // generate screen-space AABBs (used for both fptl and clustered).
+            if (numLights != 0)
             {
                 var proj = CameraProjection(camera);
                 var temp = new Matrix4x4();