// Copyright 2020 Google LLC
struct UBO
{
float4x4 projection;
float4x4 model;
};
cbuffer ubo : register(b0) { UBO ubo; }
struct VSOutput
float4 Pos : SV_POSITION;
[[vk::location(0)]] float3 UVW : TEXCOORD0;
VSOutput main([[vk::location(0)]] float3 Pos : POSITION0)
VSOutput output = (VSOutput)0;
output.UVW = Pos;
// Convert cubemap coordinates into Vulkan coordinate space
output.UVW.xy *= -1.0;
output.Pos = mul(ubo.projection, mul(ubo.model, float4(Pos.xyz, 1.0)));
return output;
}