LYGIA Shader Library

Dependencies:

• lygia/v1.1.6/color/space/rgb2srgb.glsl

Use:

xyz2rgb(<vec3|vec4> color)

Check it on Github

#ifndef FNC_XYZ2SRGB
#define FNC_XYZ2SRGB
vec3 xyz2srgb(vec3 xyz) {
    mat3 D65_XYZ_RGB;
    D65_XYZ_RGB[0] = vec3( 3.24306333, -1.53837619, -0.49893282);
    D65_XYZ_RGB[1] = vec3(-0.96896309,  1.87542451,  0.04154303);
    D65_XYZ_RGB[2] = vec3( 0.05568392, -0.20417438,  1.05799454);

    float r = dot(D65_XYZ_RGB[0], xyz);
    float g = dot(D65_XYZ_RGB[1], xyz);
    float b = dot(D65_XYZ_RGB[2], xyz);
    return rgb2srgb(vec3(r, g, b));
}

vec4 xyz2srgb(in vec4 xyz) { return vec4(xyz2srgb(xyz.rgb), xyz.a); }
#endif

Dependencies:

• lygia/v1.1.6/color/space/rgb2srgb.glsl

Use:

xyz2rgb(<float3|float4> color)

Check it on Github

#ifndef FNC_XYZ2SRGB
#define FNC_XYZ2SRGB
float3 xyz2srgb(float3 xyz) {
    float3x3 D65_XYZ_RGB;
    D65_XYZ_RGB[0] = float3( 3.24306333, -1.53837619, -0.49893282);
    D65_XYZ_RGB[1] = float3(-0.96896309,  1.87542451,  0.04154303);
    D65_XYZ_RGB[2] = float3( 0.05568392, -0.20417438,  1.05799454);

    float r = dot(D65_XYZ_RGB[0], xyz);
    float g = dot(D65_XYZ_RGB[1], xyz);
    float b = dot(D65_XYZ_RGB[2], xyz);
    return rgb2srgb(float3(r, g, b));
}

float4 xyz2srgb(in float4 xyz) { return float4(xyz2srgb(xyz.rgb), xyz.a); }
#endif

Dependencies:

• lygia/v1.1.6/color/space/rgb2srgb.glsl

Check it on Github

fn xyz2srgb(xyz: vec3<f32> ) -> vec3<f32> {
    let D65_XYZ_RGB_0 = vec3<f32>( 3.24306333, -1.53837619, -0.49893282);
    let D65_XYZ_RGB_1 = vec3<f32>(-0.96896309,  1.87542451,  0.04154303);
    let D65_XYZ_RGB_2 = vec3<f32>( 0.05568392, -0.20417438,  1.05799454);
    return rgb2srgb(vec3<f32>(  dot(D65_XYZ_RGB_0, xyz), 
                                dot(D65_XYZ_RGB_1, xyz),
                                dot(D65_XYZ_RGB_2, xyz)));
}