procedural-3d-engine/shaders/hlsl/texturecubemaparray/skybox.vert
Sascha Willems 27c8c36ebe Update shaders
Fixes #1177
2025-01-17 13:49:42 +01:00

32 lines
636 B
GLSL

// Copyright 2020 Google LLC
struct UBO
{
float4x4 projection;
float4x4 model;
float4x4 invModel;
float lodBias;
int cubeMapIndex;
};
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;
output.UVW.xy *= -1.0;
// Remove translation from view matrix
float4x4 viewMat = ubo.model;
viewMat[0][3] = 0.0;
viewMat[1][3] = 0.0;
viewMat[2][3] = 0.0;
output.Pos = mul(ubo.projection, mul(viewMat, float4(Pos.xyz, 1.0)));
return output;
}