Replace separate slang files per stage with single slang files containing multiple stages

shaders/slang/base/uioverlay.frag.slang

@@ -1,20 +0,0 @@
-/* Copyright (c) 2025, Sascha Willems
- *
- * SPDX-License-Identifier: MIT
- *
- */
-
-[[vk::binding(0, 0)]]
-Sampler2D fontTexture;
-
-struct VSOutput
-{
-	[[vk::location(0)]]float2 UV : TEXCOORD0;
-	[[vk::location(1)]]float4 Color : COLOR0;
-};
-
-[shader("fragment")]
-float4 main(VSOutput input) : SV_TARGET
-{
-	return input.Color * fontTexture.Sample(input.UV);
-}

shaders/slang/base/uioverlay.slang

@@ -4,18 +4,20 @@
  *
  */
 
+Sampler2D fontTexture;
+
 struct VSInput
 {
-	[[vk::location(0)]]float2 Pos : POSITION0;
+	float2 Pos : POSITION0;
-	[[vk::location(1)]]float2 UV : TEXCOORD0;
+	float2 UV;
-	[[vk::location(2)]]float4 Color : COLOR0;
+	float4 Color;
 };
 
 struct VSOutput
 {
 	float4 Pos : SV_POSITION;
-	[[vk::location(0)]]float2 UV : TEXCOORD0;
+	float2 UV;
-	[[vk::location(1)]]float4 Color : COLOR0;
+	float4 Color;
 };
 
 struct PushConstants
@@ -24,15 +26,18 @@ struct PushConstants
 	float2 translate;
 };
 
-[[vk::push_constant]]
-PushConstants pushConstants;
-
 [shader("vertex")]
-VSOutput main(VSInput input)
+VSOutput vertexMain(VSInput input, uniform PushConstants pushConstants)
 {
 	VSOutput output;
 	output.Pos = float4(input.Pos * pushConstants.scale + pushConstants.translate, 0.0, 1.0);
 	output.UV = input.UV;
 	output.Color = input.Color;
 	return output;
+}
+
+[shader("fragment")]
+float4 fragmentMain(VSOutput input)
+{
+    return input.Color * fontTexture.Sample(input.UV);
 }

shaders/slang/bufferdeviceaddress/cube.frag.slang

@@ -1,20 +0,0 @@
-/* Copyright (c) 2025, Sascha Willems
- *
- * SPDX-License-Identifier: MIT
- *
- */
-
- [[vk::binding(0, 0)]]
-Sampler2D samplerColorMap;
-
-struct VSInput
-{
-    [[vk::location(1)]] float3 Color;
-    [[vk::location(2)]] float2 UV;
-};
-
-[shader("fragment")]
-float4 main(VSInput input)
-{
-    return samplerColorMap.Sample(input.UV) * float4(input.Color, 1.0);
-}

shaders/slang/bufferdeviceaddress/cube.slang

@@ -4,12 +4,14 @@
  *
  */
 
+Sampler2D samplerColorMap;
+
 struct VSInput
 {
-    [[vk::location(0)]] float3 Pos;
+    float3 Pos;
-    [[vk::location(1)]] float3 Normal;
+    float3 Normal;
-    [[vk::location(2)]] float2 UV;
+    float2 UV;
-    [[vk::location(3)]] float3 Color;
+    float3 Color;
 };
 
 struct MatrixReference {
@@ -22,18 +24,17 @@ struct PushConsts {
     // Pointer to the buffer for the data for each model
     ConstBufferPointer<MatrixReference> modelDataReference;
 };
-[[vk::push_constant]] PushConsts pushConstants;
 
 struct VSOutput
 {
     float4 Pos : SV_POSITION;
-    [[vk::location(0)]] float3 Normal;
+    float3 Normal;
-    [[vk::location(1)]] float3 Color;
+    float3 Color;
-    [[vk::location(2)]] float2 UV;
+    float2 UV;
 };
 
 [shader("vertex")]
-VSOutput main(VSInput input) 
+VSOutput vertexMain(VSInput input, uniform PushConsts pushConstants) 
 {
     MatrixReference sceneData = pushConstants.sceneDataReference.get();
     MatrixReference modelData = pushConstants.modelDataReference.get();
@@ -44,4 +45,10 @@ VSOutput main(VSInput input)
     output.UV = input.UV;
     output.Pos = mul(sceneData.matrix, mul(modelData.matrix, float4(input.Pos.xyz, 1.0)));
     return output;
+}
+
+[shader("fragment")]
+float4 fragmentMain(VSOutput input)
+{
+    return samplerColorMap.Sample(input.UV) * float4(input.Color, 1.0);
 }

shaders/slang/pushconstants/pushconstants.frag.slang

@@ -1,16 +0,0 @@
-/* Copyright (c) 2025, Sascha Willems
- *
- * SPDX-License-Identifier: MIT
- *
- */
-
-struct VSOutput
-{
-    float3 Color;
-};
-
-[shader("fragment")]
-float4 main(VSOutput input) : SV_TARGET
-{
-	return float4(input.Color, 1.0);
-}

shaders/slang/pushconstants/pushconstants.slang

@@ -27,7 +27,7 @@ struct VSOutput
 
 // Uniform entry-point parameters are automatically bound to push constants by slang
 [shader("vertex")]
-VSOutput main(VSInput input, uniform float4 pushColor, uniform float4 pushPosition)
+VSOutput vertexMain(VSInput input, uniform float4 pushColor, uniform float4 pushPosition)
 {
     VSOutput output;
     output.Color = input.Color * pushColor.rgb;
@@ -35,4 +35,10 @@ VSOutput main(VSInput input, uniform float4 pushColor, uniform float4 pushPositi
     float3 worldPos = locPos + pushPosition.xyz;
 	output.Pos = mul(ubo.projection, mul(ubo.view, float4(worldPos.xyz, 1.0)));
 	return output;
+}
+
+[shader("fragment")]
+float4 fragmentMain(VSOutput input) : SV_TARGET
+{
+    return float4(input.Color, 1.0);
 }

shaders/slang/triangle/triangle.frag.slang

@@ -1,11 +0,0 @@
-/* Copyright (c) 2025, Sascha Willems
- *
- * SPDX-License-Identifier: MIT
- *
- */
-
-[shader("fragment")]
-float4 main([[vk::location(0)]] float3 Color)
-{
-  return float4(Color, 1.0);
-}

shaders/slang/triangle/triangle.slang

@@ -26,10 +26,16 @@ struct VSOutput
 };
 
 [shader("vertex")]
-VSOutput main(VSInput input)
+VSOutput vertexMain(VSInput input)
 {
 	VSOutput output;
 	output.Color = input.Color;
 	output.Pos = mul(ubo.projectionMatrix, mul(ubo.viewMatrix, mul(ubo.modelMatrix, float4(input.Pos.xyz, 1.0))));
 	return output;
 }
+
+[shader("fragment")]
+float4 fragmentMain(VSOutput input)
+{
+    return float4(input.Color, 1.0);
+}