43 lines
1 KiB
GLSL
43 lines
1 KiB
GLSL
// Copyright 2020 Google LLC
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struct VSInput
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{
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[[vk::location(0)]] float3 Pos : POSITION0;
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[[vk::location(1)]] float3 Normal : NORMAL0;
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[[vk::location(2)]] float3 Color : COLOR0;
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};
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struct VSOutput
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{
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float4 Pos : SV_POSITION;
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[[vk::location(0)]] float3 Normal : NORMAL0;
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[[vk::location(1)]] float3 Color : COLOR0;
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[[vk::location(2)]] float3 ViewVec : TEXCOORD1;
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[[vk::location(3)]] float3 LightVec : TEXCOORD2;
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};
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struct UBO
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{
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float4x4 projection[2];
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float4x4 modelview[2];
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float4 lightPos;
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};
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cbuffer ubo : register(b0) { UBO ubo; }
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VSOutput main(VSInput input, uint ViewIndex : SV_ViewID)
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{
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VSOutput output = (VSOutput)0;
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output.Color = input.Color;
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output.Normal = mul((float3x3)ubo.modelview[ViewIndex], input.Normal);
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float4 pos = float4(input.Pos.xyz, 1.0);
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float4 worldPos = mul(ubo.modelview[ViewIndex], pos);
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float3 lPos = mul(ubo.modelview[ViewIndex], ubo.lightPos).xyz;
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output.LightVec = lPos - worldPos.xyz;
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output.ViewVec = -worldPos.xyz;
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output.Pos = mul(ubo.projection[ViewIndex], worldPos);
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return output;
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}
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