YUV to RGB HLSL Shaders - DirectX 11

RGB_DEFAULT.hlsl

//-----------------------------------------------------------
// YUV TO RGB BT.601 For SD TV
//-----------------------------------------------------------

cbuffer PS_CONSTANT_BUFFER : register(b0)
{
	float Opacity;
	float ignoreA;
	float ignoreB;
	float ignoreC;
};


Texture2D shaderTexture;
SamplerState SampleType;


struct PS_INPUT
{
	float4 Position   : SV_POSITION;
	float2 Texture    : TEXCOORD0;
};


float4 PS(PS_INPUT In) : SV_TARGET
{
	float4 rgba;

	rgba = shaderTexture.Sample(SampleType, In.Texture);
	rgba.a = rgba.a * Opacity;
	return rgba;
}

VERTEX_SHADER.hlsl

struct VS_INPUT
{
	float4 Position   : POSITION;
	float2 Texture    : TEXCOORD0;
};


struct VS_OUTPUT
{
	float4 Position   : SV_POSITION;
	float2 Texture    : TEXCOORD0;
};


VS_OUTPUT VS(VS_INPUT In)
{
	VS_OUTPUT Output;
	Output.Position = In.Position;
	Output.Texture = In.Texture;
	return Output;
}

YUV_BT2020_TO_RGB.hlsl

//-----------------------------------------------------------
// YUV TO RGB BT.2020 For UHD TV
//-----------------------------------------------------------

cbuffer PS_CONSTANT_BUFFER : register(b0)
{
	float Opacity;
	float ignoreA;
	float ignoreB;
	float ignoreC;
};

Texture2D shaderTextureY;
Texture2D shaderTextureUV;
SamplerState SampleType;

struct PS_INPUT
{
	float4 Position   : SV_POSITION;
	float2 Texture    : TEXCOORD0;
};

float4 PS(PS_INPUT In) : SV_TARGET
{
	float3 yuv;
	float4 rgba;
	yuv.x = shaderTextureY.Sample(SampleType, In.Texture).x;
	yuv.yz = shaderTextureUV.Sample(SampleType, In.Texture).xy;
	yuv.x = 1.164383561643836 * (yuv.x - 0.0625);
	yuv.y = yuv.y - 0.5;
	yuv.z = yuv.z - 0.5;
	rgba.x = yuv.x + 1.792741071428571 * yuv.z;
	rgba.y = yuv.x - 0.532909328559444 * yuv.z - 0.21324861427373 * yuv.y;
	rgba.z = yuv.x + 2.112401785714286 * yuv.y;
	rgba.x = saturate(1.661 * rgba.x - 0.588 * rgba.y - 0.073 * rgba.z);
	rgba.y = saturate(-0.125 * rgba.x + 1.133 * rgba.y - 0.008 * rgba.z);
	rgba.z = saturate(-0.018 * rgba.x - 0.101 * rgba.y + 1.119 * rgba.z);
	rgba.a = Opacity;
	return rgba;
}

YUV_BT601_TO_RGB.hlsl

//-----------------------------------------------------------
// YUV TO RGB BT.601 For SD TV
//-----------------------------------------------------------

cbuffer PS_CONSTANT_BUFFER : register(b0)
{
	float Opacity;
	float ignoreA;
	float ignoreB;
	float ignoreC;
};

Texture2D shaderTextureY;
Texture2D shaderTextureUV;
SamplerState SampleType;

struct PS_INPUT
{
	float4 Position   : SV_POSITION;
	float2 Texture    : TEXCOORD0;
};

float4 PS(PS_INPUT In) : SV_TARGET
{
	float3 yuv;
	float4 rgba;
	yuv.x = shaderTextureY.Sample(SampleType, In.Texture).x;
	yuv.yz = shaderTextureUV.Sample(SampleType, In.Texture).xy;
	yuv.x = 1.164383561643836 * (yuv.x - 0.0625);
	yuv.y = yuv.y - 0.5;
	yuv.z = yuv.z - 0.5;
	rgba.x = saturate(yuv.x + 1.596026785714286 * yuv.z);
	rgba.y = saturate(yuv.x - 0.812967647237771 * yuv.z - 0.391762290094914 * yuv.y);
	rgba.z = saturate(yuv.x + 2.017232142857142 * yuv.y);
	rgba.a = Opacity;
	return rgba;
}

YUV_BT709_TO_RGB.hlsl

//-----------------------------------------------------------
// YUV TO RGB BT.709 For HD TV
//-----------------------------------------------------------

cbuffer PS_CONSTANT_BUFFER : register(b0)
{
	float Opacity;
	float ignoreA;
	float ignoreB;
	float ignoreC;
};


Texture2D shaderTextureY;
Texture2D shaderTextureUV;
SamplerState SampleType;

struct PS_INPUT
{
	float4 Position   : SV_POSITION;
	float2 Texture    : TEXCOORD0;
};




float4 PS(PS_INPUT input) : SV_Target
{
	float3 yuv;
	float4 rgba;
	yuv.x = shaderTextureY.Sample(SampleType, In.Texture).x;
	yuv.yz = shaderTextureUV.Sample(SampleType, In.Texture).xy;
	yuv.x = 1.164383561643836 * (yuv.x - 0.0625);
	yuv.y = yuv.y - 0.5;
	yuv.z = yuv.z - 0.5;
	rgba.x = saturate(yuv.x + 1.792741071428571 * yuv.z);
	rgba.y = saturate(yuv.x - 0.532909328559444 * yuv.z - 0.21324861427373 * yuv.y);
	rgba.z = saturate(yuv.x + 2.112401785714286 * yuv.y);
	rgba.a = Opacity;
	return rgba;
}

YUYV_BT601_TO_RGB.hlsl

//-----------------------------------------------------------
// YUV TO RGB BT.601 For SD TV
//-----------------------------------------------------------

cbuffer PS_CONSTANT_BUFFER : register(b0)
{
	float Opacity;
	float ignoreA;
	float ignoreB;
	float ignoreC;
};


Texture2D shaderTextureYUYV;
SamplerState SampleType;


struct PS_INPUT
{
	float4 Position   : SV_POSITION;
	float2 Texture    : TEXCOORD0;
};

float4 PS(PS_INPUT In) : SV_TARGET
{
	float3 yuv;
	float4 rgba;
	yuv.x = shaderTextureYUYV.Sample(SampleType, In.Texture).x;
	yuv.y = shaderTextureYUYV.Sample(SampleType, In.Texture).y;
	yuv.z = shaderTextureYUYV.Sample(SampleType, In.Texture).a;
	yuv.x = 1.164383561643836 * (yuv.x - 0.0625);
	yuv.y = yuv.y - 0.5;
	yuv.z = yuv.z - 0.5;
	rgba.x = saturate(yuv.x + 1.596026785714286 * yuv.z);
	rgba.y = saturate(yuv.x - 0.812967647237771 * yuv.z - 0.391762290094914 * yuv.y);
	rgba.z = saturate(yuv.x + 2.017232142857142 * yuv.y);
	rgba.a = Opacity;
	return rgba;
}

YUYV_BT709_TO_RGB.hlsl

//-----------------------------------------------------------
// YUV TO RGB BT.709 For HD TV
//-----------------------------------------------------------

cbuffer PS_CONSTANT_BUFFER : register(b0)
{
	float Opacity;
	float ignoreA;
	float ignoreB;
	float ignoreC;
};

Texture2D shaderTextureYUYV;
SamplerState SampleType;


struct PS_INPUT
{
	float4 Position   : SV_POSITION;
	float2 Texture    : TEXCOORD0;
};


float4 PS(PS_INPUT In) : SV_TARGET
{
	float3 yuv;
	float4 rgba;
	yuv.x = shaderTextureYUYV.Sample(SampleType, In.Texture).x;
	yuv.y = shaderTextureYUYV.Sample(SampleType, In.Texture).y;
	yuv.z = shaderTextureYUYV.Sample(SampleType, In.Texture).a;
	yuv.x = 1.164383561643836 * (yuv.x - 0.0625);
	yuv.y = yuv.y - 0.5;
	yuv.z = yuv.z - 0.5;
	rgba.x = saturate(yuv.x + 1.792741071428571 * yuv.z);
	rgba.y = saturate(yuv.x - 0.532909328559444 * yuv.z - 0.21324861427373 * yuv.y);
	rgba.z = saturate(yuv.x + 2.112401785714286 * yuv.y);
	rgba.a = Opacity;
	return rgba;
}

if (height <= 576) {
// SD VIDEO
BT601_SHADER.
}
else if (height <= 1080) {
// HD VIDEO
BT709_SHADER.
}
else {
// UHD VIDEO
BT2020_SHADER.
}