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//TEST:SIMPLE(filecheck=CHECK):-target spirv -entry main -stage fragment -g2 -emit-spirv-directly
#include "shader-utils.slang"
struct VertexOutput
{
float4 position : SV_Position;
float2 texCoord : TEXCOORD0;
}
[shader("fragment")]
float4 main(VertexOutput input) : SV_Target
{
// Create a simple gradient pattern based on texture coordinates
float2 uv = input.texCoord;
// Call function from the included header file
float distanceFromCenter = calculateDistanceFromCenter(uv);
// Use another function from the header for a radial fade effect
float radialFade = createRadialFade(uv, 0.7);
// Create color pattern with both distance effects
float4 color = float4(
uv.x * (1.0 - distanceFromCenter * 0.5), // Red with subtle distance fade
uv.y * radialFade, // Green with smooth radial fade
uv.x * uv.y, // Blue as product of coordinates
1.0 // Full opacity
);
return color;
}
// Verify that DebugCompilationUnit references this main shader file
// CHECK: [[MAIN_FILE:%[0-9]+]] = OpString "{{.*}}debug-compilation-unit-main-file.slang"
// CHECK: [[SOURCE_ID:%[0-9]+]] = OpExtInst %void %{{[0-9]+}} DebugSource [[MAIN_FILE]] %{{[0-9]+}}
// CHECK: OpExtInst %void %{{[0-9]+}} DebugCompilationUnit %uint_{{[0-9]+}} %uint_{{[0-9]+}} [[SOURCE_ID]] %uint_{{[0-9]+}}
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