Clean up existing shaders

Remove attributes not required by Slang

Author: SaschaWillems

shaders/profiles/slang/profiles.frag.slang

@@ -16,17 +16,17 @@
  */
 
 [[vk::binding(1, 0)]]
-Sampler2D textures[] : register(t1, space0);
+Sampler2D textures[];
 
 struct VSOutput
 {
     float4 Pos : SV_POSITION;
-    [[vk::location(0)]] float2 UV : TEXCOORD0;
-    [[vk::location(1)]] nointerpolation int TexIndex : TEXCOORD1;
+    float2 UV;
+    nointerpolation int TexIndex;
 };
 
 [shader("fragment")]
-float4 main(VSOutput input) : SV_TARGET
+float4 main(VSOutput input)
 {
     return textures[NonUniformResourceIndex(input.TexIndex)].Sample(input.UV);
 }

shaders/profiles/slang/profiles.vert.slang

@@ -19,29 +19,28 @@
 struct VSInput
 {
     [[vk::location(0)]] float3 Pos : POSITION0;
-    [[vk::location(1)]] float2 UV : TEXCOORD0;
-    [[vk::location(2)]] int TexIndex : TEXCOORD1;
+    [[vk::location(1)]] float2 UV;
+    [[vk::location(2)]] int TexIndex;
 };
 
 struct UBO
 {
     float4x4 projection;
     float4x4 view;
 };
-[[vk::binding(0, 0)]]
-ConstantBuffer<UBO> ubo : register(b0, space0);
+ConstantBuffer<UBO> ubo;
 
 struct VSOutput
 {
     float4 Pos : SV_POSITION;
-    [[vk::location(0)]] float2 UV : TEXCOORD0;
-    [[vk::location(1)]] nointerpolation int TexIndex : TEXCOORD1;
+    [[vk::location(0)]] float2 UV;
+    [[vk::location(1)]] nointerpolation int TexIndex;
 };
 
 [shader("vertex")]
 VSOutput main(VSInput input)
 {
-    VSOutput output = (VSOutput) 0;
+    VSOutput output;
     output.UV = input.UV;
     output.TexIndex = input.TexIndex;
     output.Pos = mul(ubo.projection, mul(ubo.view, float4(input.Pos.xyz, 1.0)));