Descriptors now work in metal hopefully

res/shaders/lib/Common.slang

@@ -12,9 +12,13 @@ struct ViewParameter
     float4x4 inverseProjection;
     float4 cameraPos_WS;
     float2 screenDimensions;
-}
-layout(set=0)
-ParameterBlock<ViewParameter> pViewParams;
+};
+struct ViewParamWrapper
+{
+    ParameterBlock<ViewParameter> c;
+};
+layout(set = 0)
+ParameterBlock<ViewParamWrapper> pViewParams;
 
 float4 worldToModel(float4x4 inverseTransform, float4 world)
 {
@@ -27,7 +31,7 @@ float4 worldToModel(float4x4 inverseTransform, float4 world)
 
 float4 viewToWorld(float4 view)
 {
-    float4 world = mul(pViewParams.inverseViewMatrix, view);
+    float4 world = mul(pViewParams.c.inverseViewMatrix, view);
 
     world = world / world.w;
 
@@ -43,7 +47,7 @@ float4 viewToModel(float4x4 inverseTransform, float4 view)
 
 float4 clipToView(float4 clip)
 {
-    float4 view = mul(pViewParams.inverseProjection, clip);
+    float4 view = mul(pViewParams.c.inverseProjection, clip);
 
     view = view / view.w;
 
@@ -59,7 +63,7 @@ float4 clipToWorld(float4 clip)
 
 float4 screenToView(float4 screen)
 {
-    float2 texCoord = screen.xy / pViewParams.screenDimensions;
+    float2 texCoord = screen.xy / pViewParams.c.screenDimensions;
  
     // Convert to clip space 
     float4 clip = float4( float2( texCoord.x, 1.0f-texCoord.y ) * 2.0f - 1.0f, screen.z, screen.w);
@@ -88,7 +92,7 @@ float4 clipToScreen(float4 clip)
     float oz = 1;
     float pz = 0 - 1;
     float zf = pz * ndc.z + oz;
-    return float4(float2(texCoords.x, 1 - texCoords.y) * pViewParams.screenDimensions, zf, 1.0f);
+    return float4(float2(texCoords.x, 1 - texCoords.y) * pViewParams.c.screenDimensions, zf, 1.0f);
 }
 
 struct Plane