mirror of https://github.com/stenzek/duckstation
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
815 B
GLSL
37 lines
815 B
GLSL
/*
|
|
[configuration]
|
|
|
|
[OptionRangeFloat]
|
|
GUIName = Brightness Scale
|
|
OptionName = BRIGHTNESS_SCALE
|
|
MinValue = 0.1
|
|
MaxValue = 5.0
|
|
StepAmount = 0.1
|
|
DefaultValue = 1.0
|
|
|
|
[/configuration]
|
|
*/
|
|
|
|
void main()
|
|
{
|
|
float4 color = Sample();
|
|
float brightness_scale = GetOption(BRIGHTNESS_SCALE);
|
|
|
|
// rgb->yuv
|
|
float3 yuv;
|
|
yuv.r = dot(color.rgb, float3(0.299f, 0.587f, 0.114f));
|
|
yuv.g = dot(color.rgb, float3(-0.14713f, -0.28886f, 0.436f));
|
|
yuv.b = dot(color.rgb, float3(0.615f, -0.51499f, -0.10001f));
|
|
|
|
// apply brightness to y
|
|
yuv.r = saturate(yuv.r * brightness_scale);
|
|
|
|
// yuv->rgb
|
|
color.r = dot(yuv, float3(1.0f, 0.0f, 1.13983f));
|
|
color.g = dot(yuv, float3(1.0f, -0.39465f, -0.58060f));
|
|
color.b = dot(yuv, float3(1.0f, 2.03211f, 0.0f));
|
|
color.rgb = saturate(color.rgb);
|
|
|
|
SetOutput(saturate(color));
|
|
}
|