31 lines
892 B
HLSL
31 lines
892 B
HLSL
struct Output
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{
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float4 Color : TEXCOORD0;
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float4 Position : SV_Position;
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};
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#include "RootConstants.hlsl"
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Output main(uint vertexIndex : SV_VertexID)
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{
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Output output;
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// Retrieve the vertex buffer using SM6.6 bindless syntax
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ByteAddressBuffer buffer = ResourceDescriptorHeap[BufferIndex];
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// TextureIndex is used as vertex offset for consolidated buffer (depth-tested at 0, overlay at halfMax)
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uint actualVertexIndex = vertexIndex + TextureIndex;
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// Vertex layout: float3 Position (12 bytes) + float4 Color (16 bytes) = 28 bytes stride
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uint stride = 28;
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uint offset = actualVertexIndex * stride;
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float3 pos = asfloat(buffer.Load3(offset));
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float4 col = asfloat(buffer.Load4(offset + 12));
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// Standard row-major transformation
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output.Position = mul(ViewProjection, float4(pos, 1.0f));
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output.Color = col;
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return output;
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}
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