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authortylermurphy534 <tylermurphy534@gmail.com>2022-11-06 15:12:42 -0500
committertylermurphy534 <tylermurphy534@gmail.com>2022-11-06 15:12:42 -0500
commiteb84bb298d2b95aec7b2ae12cbf25ac64f25379a (patch)
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Diffstat (limited to 'VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiDithering.cginc')
-rw-r--r--VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiDithering.cginc34
1 files changed, 34 insertions, 0 deletions
diff --git a/VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiDithering.cginc b/VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiDithering.cginc
new file mode 100644
index 00000000..1540b5eb
--- /dev/null
+++ b/VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiDithering.cginc
@@ -0,0 +1,34 @@
+#ifndef POI_DITHERING
+ #define POI_DITHERING
+ fixed _DitheringEnabled;
+ fixed _DitherGradient;
+
+ half calcDither(half2 grabPos)
+ {
+ half dither = Dither8x8Bayer(fmod(grabPos.x, 8), fmod(grabPos.y, 8));
+ return dither;
+ }
+
+ #ifndef POI_SHADOW
+ void applyDithering(inout float4 finalColor)
+ {
+ UNITY_BRANCH
+ if (_DitheringEnabled)
+ {
+ half dither = calcDither(poiCam.screenUV.xy);
+ finalColor.a = finalColor.a - (dither * (1 - finalColor.a) * _DitherGradient);
+ }
+ }
+ #else
+ void applyShadowDithering(inout float alpha, float2 screenUV)
+ {
+ UNITY_BRANCH
+ if(_DitheringEnabled)
+ {
+ half dither = calcDither(screenUV);
+ alpha = alpha - (dither * (1 - alpha) * _DitherGradient);
+ }
+ }
+ #endif
+
+#endif \ No newline at end of file