34 lines
1.1 KiB
HLSL
34 lines
1.1 KiB
HLSL
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// BVLE Voxels - Smooth Surface Nets Vertex Shader (Phase 5.1)
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// Vertex pulling from StructuredBuffer<SmoothVertex>.
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// Each vertex is 32 bytes: float3 pos, float3 normal, uint matPacked, uint16 chunkIndex.
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#include "voxelCommon.hlsli"
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struct SmoothVtx {
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float3 position; // world-space position (chunk origin already added)
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float3 normal; // face normal
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uint matPacked; // materialID(8) | secondaryMat(8) | blendWeight(8) | pad(8)
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uint chunkIndex; // packed: chunkIndex in low 16 bits
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};
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StructuredBuffer<SmoothVtx> smoothVertices : register(t6);
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struct VSOutput {
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float4 position : SV_POSITION;
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float3 worldPos : WORLDPOS;
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float3 normal : NORMAL;
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nointerpolation uint matPacked : MATERIALID;
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};
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[RootSignature(VOXEL_ROOTSIG)]
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VSOutput main(uint vertexID : SV_VertexID) {
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SmoothVtx vtx = smoothVertices[vertexID];
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VSOutput output;
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output.position = mul(viewProjection, float4(vtx.position, 1.0));
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output.worldPos = vtx.position;
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output.normal = vtx.normal;
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output.matPacked = vtx.matPacked; // pass all packed material data to PS
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return output;
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}
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