procedural-3d-engine/shaders/hlsl/inputattachments/attachmentread.vert

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// Copyright 2020 Google LLC
float4 main(uint VertexIndex : SV_VertexID) : SV_POSITION
{
return float4(float2((VertexIndex << 1) & 2, VertexIndex & 2) * 2.0f - 1.0f, 0.0f, 1.0f);
}