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GSdx: 

Better working shader for the new color settings. Taken from "TGM's shader pack" on 
http://irrlicht.sourceforge.net/phpBB2/viewtopic.php?t=21057

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5113 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
ramapcsx2 2012-02-29 15:49:01 +00:00
parent 52a54fda62
commit 886c23a4ee
1 changed files with 28 additions and 23 deletions
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45
plugins/GSdx/res/shadeboost.fx
View File

@ -1,28 +1,33 @@
#ifdef SHADER_MODEL // make safe to include in resource file to enforce dependency
float4 ConvertYUV(float4 color)
/*
** Contrast, saturation, brightness
** Code of this function is from TGM's shader pack
** http://irrlicht.sourceforge.net/phpBB2/viewtopic.php?t=21057
*/
// For all settings: 1.0 = 100% 0.5=50% 1.5 = 150%
float4 ContrastSaturationBrightness(float4 color) // Ported to HLSL
{
float4 color2 = color;
const float sat = SB_SATURATION / 50.0;
const float brt = SB_BRIGHTNESS / 50.0;
const float con = SB_CONTRAST / 50.0;
float fSat = SB_SATURATION / 100.0;
float fBrt = SB_BRIGHTNESS / 100.0;
float fCont = SB_CONTRAST / 100.0;
// Increase or decrease theese values to adjust r, g and b color channels seperately
const float AvgLumR = 0.5;
const float AvgLumG = 0.5;
const float AvgLumB = 0.5;
float gY = color.r*0.299+color.g*0.587+color.b*0.114;
float gCr = ( color.r-gY )*0.713*(0.5+fSat);
float gCb = ( color.b-gY )*0.565*(0.5+fSat);
const float3 LumCoeff = float3(0.2125, 0.7154, 0.0721);
gY = gY*(0.5+fCont);
float3 AvgLumin = float3(AvgLumR, AvgLumG, AvgLumB);
float3 brtColor = color.rgb * brt;
float3 intensity = dot(brtColor, LumCoeff);
float3 satColor = lerp(intensity, brtColor, sat);
float3 conColor = lerp(AvgLumin, satColor, con);
color2.r = gY + 1.40252*gCr;
color2.g = gY - 0.714403*gCr - 0.343731*gCb;
color2.b = gY + 1.76991*gCb;
color2.r = color2.r*(0.5+fBrt);
color2.g = color2.g*(0.5+fBrt);
color2.b = color2.b*(0.5+fBrt);
return color2;
color.rgb = conColor;
return color;
}
#if SHADER_MODEL >= 0x400
@ -44,7 +49,7 @@ struct PS_INPUT
float4 ps_main(PS_INPUT input) : SV_Target0
{
float4 c = Texture.Sample(Sampler, input.t);
return ConvertYUV(c);
return ContrastSaturationBrightness(c);
}
@ -64,7 +69,7 @@ struct PS_INPUT
float4 ps_main(PS_INPUT input) : COLOR
{
float4 c = tex2D(Texture, input.t);
return ConvertYUV(c);
return ContrastSaturationBrightness(c);
}
#endif