68 lines
1.8 KiB
HLSL
68 lines
1.8 KiB
HLSL
#include "graphics_structs.hlsli"
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struct VS_Input
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{
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uint VertexIndex : SV_VertexID;
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};
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struct VS_Output
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{
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float4 WorldPosition : POSITION;
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float4 WorldNormal : NORMAL;
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float4 VertexColor : COLOR0;
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float2 UV0 : TEXCOORD0;
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float4 VertexPosition : SV_Position;
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};
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float2 GetUV(uint VertexIdx)
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{
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uint BufferId = PushConstant.VertexDataHandle;
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return VertexDataBuffer[BufferId][VertexIdx].TexCoord0.xy;
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}
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float4 GetPosition(uint VertexIdx)
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{
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uint BufferId = PushConstant.VertexBufferHandle;
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return float4(VertexBuffer[BufferId][VertexIdx].xyz, 1.0f);
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}
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float4 GetNormal(uint VertexIdx)
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{
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uint BufferId = PushConstant.VertexDataHandle;
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return VertexDataBuffer[BufferId][VertexIdx].Normal;
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}
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float4 GetColor(uint VertexIdx)
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{
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uint BufferId = PushConstant.VertexDataHandle;
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return VertexDataBuffer[BufferId][VertexIdx].Color0;
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}
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float4x4 GetNodeTransform(uint NodeIndex)
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{
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uint BufferId = PushConstant.NodeBufferHandle;
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return NodeBuffer[BufferId][NodeIndex].Transform;
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}
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float4x4 GetNormalTransform(uint NodeIndex)
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{
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uint BufferId = PushConstant.NodeBufferHandle;
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return NodeBuffer[BufferId][NodeIndex].NormalTransform;
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}
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VS_Output main(VS_Input StageInput)
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{
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VS_Output Output;
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float4 GlobalPosition = mul(GetNodeTransform(PushConstant.NodeIdx), GetPosition(StageInput.VertexIndex));
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float4 ClipSpace = mul(Camera.View, GlobalPosition);
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Output.VertexPosition = mul(Camera.Projection, ClipSpace);
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Output.WorldPosition = GlobalPosition;
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Output.UV0 = GetUV(StageInput.VertexIndex);
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Output.VertexColor = GetColor(StageInput.VertexIndex);
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Output.WorldNormal = mul(GetNormalTransform(PushConstant.NodeIdx), GetNormal(StageInput.VertexIndex));
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return Output;
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}
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