libretro/slang-shaders
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Update powervr2.slang

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Twinaphex 2020-01-16 03:47:35 +01:00 committed by GitHub
parent 125e1a2bb4
commit 1b161e80b4
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1 changed files with 11 additions and 14 deletions
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gpu/shaders/powervr2.slang
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@ -17,16 +17,14 @@ layout(push_constant) uniform Push
vec4 OriginalSize;
vec4 OutputSize;
uint FrameCount;
float INTERLACED, VGASIGNAL, LUMBOOST;
float INTERLACED, VGASIGNAL;
} params;
#pragma parameter INTERLACED "PVR - Interlace smoothing" 1.00 0.00 1.00 1.0
#pragma parameter VGASIGNAL "PVR - VGA signal loss" 0.00 0.00 1.00 1.0
#pragma parameter LUMBOOST "PVR - Luminance gain" 0.35 0.00 1.00 0.01
#define INTERLACED params.INTERLACED
#define VGASIGNAL params.VGASIGNAL
#define LUMBOOST params.LUMBOOST
#define HW 1.00
@ -76,8 +74,9 @@ void main()
// Blend vertically for composite mode
if (bool(INTERLACED))
{
int taps = int(8);
float tap = 0.62/taps;
int taps = int(3);
float tap = 2.0f/taps;
vec2 texcoord4 = vTexCoord;
texcoord4.x = texcoord4.x;
texcoord4.y = texcoord4.y + ((tap*(taps/2))/480.0f);
@ -85,19 +84,17 @@ void main()
int bl;
vec4 ble;
ble.r = 0.00f;
ble.g = 0.00f;
ble.b = 0.00f;
for (bl=0;bl<taps;bl++)
{
texcoord4.y += (tap / 480.0f);
ble.rgb += texture(Source, texcoord4).rgb / taps;
}
color.rgb = color.rgb * 0.25 + ( ble.rgb * 0.75);
}
// Some games use a luminance boost (JSR etc)
if (bool(LUMBOOST))
{
color.rgb += (((color.r * LUM_R) + (color.g * LUM_G) + (color.b * LUM_B)) * LUMBOOST);
color.rgb = ( ble.rgb );
}
// Dither. ALWAYS do this for 16bpp