public FragmentInput VS(Vertex input)
{
FragmentInput output;
output.Position = ShaderBuiltins.Mul(Ortho, new Vector4(input.Position, 0, 1));
return(output);
}
public Vector4 FS(FragmentInput input)
{
Vector2 texCoords = input.TextureCoordinates;
Vector4 inputColor = ShaderBuiltins.Sample(Input, Sampler, texCoords);
return(inputColor * input.Color);
}
public Vector4 FS(FragmentInput input)
{
Vector4 color = ShaderBuiltins.Sample(SourceTex, SourceSampler, input.TexCoords);
color.W = 1;
return(color);
}
public Vector4 FS(FragmentInput input)
{
Vector2 texCoords = input.TextureCoordinates;
Vector4 inputColor = ShaderBuiltins.Sample(Input, Sampler, texCoords);
Vector4 tintedColor = new Vector4(inputColor.XYZ() * Tint.RGBTintColor, inputColor.Z);
return(tintedColor);
}
public Vector4 PS(PixelInput input)
{
var textureColor = ShaderBuiltins.Sample(Texture, Sampler, input.UV);
textureColor *= input.Color;
return(textureColor);
}
public FragmentInput VS(VertexGPU input)
{
FragmentInput output;
output.Position = ShaderBuiltins.Mul(Ortho, new Vector4(input.Position, 0, 1));
output.Color = new Vector4(input.Color_Int.X, input.Color_Int.Y, input.Color_Int.Z, 1) / InfoBuffer.ColorNormalizationFactor;
output.Color.W = 1;
return(output);
}
public FragmentInput VS(VertexInput input)
{
FragmentInput output;
output.Position = ShaderBuiltins.Mul(Wvp, new Vector4(input.Position, 1));
output.Color = input.Color;
output.TextureCoordinates = input.TextureCoordinates;
return(output);
}
public void CS()
{
UInt3 dtId = ShaderBuiltins.DispatchThreadID;
Vector4 color = Vector4.Zero;
uint randState = (dtId.X * 1973 + dtId.Y * 9277 + Params.FrameCount * 26699) | 1;
Ray ray = Camera.GetRay(Params.Camera, dtId.X, dtId.Y);
color += Color(ray);
ShaderBuiltins.Store(Output, new UInt2(dtId.X, dtId.Y), color);
}
public Vector4 PS(PixelInput input)
{
var textureColor = ShaderBuiltins.Sample(Texture, Sampler, input.UV);
if (ShaderGen.ShaderBuiltins.Abs(textureColor.W) < 0.1)
{
ShaderGen.ShaderBuiltins.Discard();
}
textureColor *= input.Color;
return(textureColor);
}
public FragmentInput VS(VertexInput input)
{
FragmentInput output;
Vector4 p = ShaderBuiltins.Mul(XformView, new Vector4(input.Position, 1));
Vector4 n = ShaderBuiltins.Mul(XformView, new Vector4(input.Normal, 0));
output.RelativePosition = p.XYZ();
output.RelativeNormal = ShaderBuiltins.Sqrt(n.XYZ());
output.Projected = ShaderBuiltins.Mul(XformProj, p);
output.Color = input.Color;
return(output);
}
public void CS()
{
UInt3 dtid = ShaderBuiltins.DispatchThreadID;
Vector4 color = Vector4.Zero;
uint randState = (dtid.X * 1973 + dtid.Y * 9277 + Params.FrameCount * 26699) | 1;
uint rayCount = 0;
for (uint smp = 0; smp < RayTracingApplication.NumSamples; smp++)
{
float u = (dtid.X + RandUtil.RandomFloat(ref randState)) / RayTracingApplication.Width;
float v = (dtid.Y + RandUtil.RandomFloat(ref randState)) / RayTracingApplication.Height;
Ray ray = Camera.GetRay(Params.Camera, u, v, ref randState);
color += Color(Params.SphereCount, ref randState, ray, ref rayCount);
}
color /= RayTracingApplication.NumSamples;
ShaderBuiltins.Store(Output, new UInt2(dtid.X, dtid.Y), color);
ShaderBuiltins.InterlockedAdd(RayCount, 0, rayCount);
}
private static Vector3 ToSrgb(Vector3 color)
{
color = Vector3.Max(color, Vector3.Zero);
return(Vector3.Max(1.055f * ShaderBuiltins.Pow(color, new Vector3(0.41666667f)) - new Vector3(0.055f), Vector3.Zero));
}
public Vector4 FS_Solid(FragmentInput input)
{
var n = ShaderBuiltins.Sqrt(input.RelativeNormal);
return(new Vector4(input.Color.XYZ() * n.Z, input.Color.Z));
}
public Vector4 FS(FragmentInput input)
{
return(ShaderBuiltins.Sample(SurfaceTex, SurfaceSampler, input.UV));
}
public Vector4 FS(FragmentInput input)
{
return(ShaderBuiltins.Sample(Tex, Smp, new Vector2(0.5f, 0.5f)));
}
public float RandomFloatBetween(uint seed, float max, float min)
{
return(ShaderBuiltins.Mod(RandomFloat(seed), max - min) + min);
}
public Vector4 FS(FragmentInput input)
{
Vector4 color = ShaderBuiltins.Sample(SourceTex, SourceSampler, input.TexCoords);
return(new Vector4(ToSrgb(color.XYZ()), 1f));
}
