34 lines
No EOL
1.3 KiB
HLSL
34 lines
No EOL
1.3 KiB
HLSL
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// Struct representing the data we expect to receive from earlier pipeline stages
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// - Should match the output of our corresponding vertex shader
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// - The name of the struct itself is unimportant
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// - The variable names don't have to match other shaders (just the semantics)
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// - Each variable must have a semantic, which defines its usage
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struct VertexToPixel
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{
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// Data type
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// |
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// | Name Semantic
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// | | |
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// v v v
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float4 position : SV_POSITION;
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float4 color : COLOR;
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};
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// --------------------------------------------------------
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// The entry point (main method) for our pixel shader
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//
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// - Input is the data coming down the pipeline (defined by the struct)
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// - Output is a single color (float4)
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// - Has a special semantic (SV_TARGET), which means
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// "put the output of this into the current render target"
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// - Named "main" because that's the default the shader compiler looks for
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// --------------------------------------------------------
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float4 main(VertexToPixel input) : SV_TARGET
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{
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// Just return the input color
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// - This color (like most values passing through the rasterizer) is
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// interpolated for each pixel between the corresponding vertices
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// of the triangle we're rendering
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return input.color;
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} |