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Add shaders re-implemented in HLSL

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These were written against the shaders at revision eddd724e7.
There have been changes made since then, which will need to be mirrored.

See `data/hlsl/README.md` for the current status of each sample.
This commit is contained in:
Ben Clayton 2020-05-21 10:20:19 +00:00
parent 10a1ecaf7b
commit cce75f1859
287 changed files with 11263 additions and 0 deletions
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34
data/hlsl/scenerendering/scene.frag Normal file
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// Copyright 2020 Google LLC
Texture2D textureColorMap : register(t0, space1);
SamplerState samplerColorMap : register(s0, space1);
struct VSOutput
{
[[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;
};
struct Material
{
float4 ambient;
float4 diffuse;
float4 specular;
float opacity;
};
[[vk::push_constant]] Material material;
float4 main(VSOutput input) : SV_TARGET
{
float4 color = textureColorMap.Sample(samplerColorMap, input.UV) * float4(input.Color, 1.0);
float3 N = normalize(input.Normal);
float3 L = normalize(input.LightVec);
float3 V = normalize(input.ViewVec);
float3 R = reflect(-L, N);
float3 diffuse = max(dot(N, L), 0.0) * material.diffuse.rgb;
float3 specular = pow(max(dot(R, V), 0.0), 16.0) * material.specular.rgb;
return float4((material.ambient.rgb + diffuse) * color.rgb + specular, 1.0-material.opacity);
}

47
data/hlsl/scenerendering/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;
};
struct UBO
{
float4x4 projection;
float4x4 view;
float4x4 model;
float4 lightPos;
};
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;
};
VSOutput main(VSInput input)
{
VSOutput output = (VSOutput)0;
output.Normal = input.Normal;
output.Color = input.Color;
output.UV = input.UV;
float4x4 modelView = mul(ubo.view, ubo.model);
output.Pos = mul(ubo.projection, mul(modelView, float4(input.Pos.xyz, 1.0)));
float4 pos = mul(modelView, float4(input.Pos, 0.0));
output.Normal = mul((float3x3)ubo.model, input.Normal);
float3 lPos = mul((float3x3)ubo.model, ubo.lightPos.xyz);
output.LightVec = lPos - mul(ubo.model, float4(input.Pos, 1.0)).xyz;
output.ViewVec = -mul(ubo.model, float4(input.Pos, 1.0)).xyz;
return output;
}