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Added VRS HLSL shaders

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Color coding doesn't work properly, as shading rate values don't seem to match with GLSL or DX12 specs
This commit is contained in:
Sascha Willems 2020-09-12 09:36:28 +02:00
parent 08648a417f
commit 9a6a0b30b0
6 changed files with 134 additions and 0 deletions
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51
data/shaders/hlsl/variablerateshading/scene.vert Normal file
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// Copyright 2020 Google LLC
struct VSInput
{
[[vk::location(0)]] float3 Pos : POSITION0;
[[vk::location(1)]] float3 Normal : NORMAL0;
[[vk::location(2)]] float2 UV : TEXCOORD0;
[[vk::location(3)]] float3 Color : COLOR0;
[[vk::location(4)]] float4 Tangent : TEXCOORD1;
};
struct UBO
{
float4x4 projection;
float4x4 view;
float4x4 model;
float4 lightPos;
float4 viewPos;
int colorShadingRates;
};
cbuffer ubo : register(b0) { UBO ubo; };
struct VSOutput
{
float4 Pos : SV_POSITION;
[[vk::location(0)]] float3 Normal : NORMAL0;
[[vk::location(1)]] float3 Color : COLOR0;
[[vk::location(2)]] float2 UV : TEXCOORD0;
[[vk::location(3)]] float3 ViewVec : TEXCOORD1;
[[vk::location(4)]] float3 LightVec : TEXCOORD2;
[[vk::location(5)]] float4 Tangent : TEXCOORD3;
};
VSOutput main(VSInput input)
{
VSOutput output = (VSOutput)0;
output.Normal = input.Normal;
output.Color = input.Color;
output.UV = input.UV;
output.Tangent = input.Tangent;
float4x4 modelView = mul(ubo.view, ubo.model);
output.Pos = mul(ubo.projection, mul(modelView, float4(input.Pos.xyz, 1.0)));
output.Normal = mul((float3x3)ubo.model, input.Normal);
float4 pos = mul(ubo.model, float4(input.Pos, 1.0));
output.LightVec = ubo.lightPos.xyz - pos.xyz;
output.ViewVec = ubo.viewPos.xyz - pos.xyz;
return output;
}