move to self host

1 files changed, 29 insertions, 0 deletions

diff --git a/VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiAlphaToCoverage.cginc b/VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiAlphaToCoverage.cginc
new file mode 100644
index 00000000..ac378228
--- /dev/null
+++ b/VRCSDK3AvatarsLegacy/Assets/_PoiyomiShaders/Shaders/Includes/CGI_PoiAlphaToCoverage.cginc
@@ -0,0 +1,29 @@
+#ifndef POI_ALPHA_TO_COVERAGE
+    #define POI_ALPHA_TO_COVERAGE
+    
+    half _MainMipScale;
+    float _MainAlphaToCoverage;
+    
+    float CalcMipLevel(float2 texture_coord)
+    {
+        float2 dx = ddx(texture_coord);
+        float2 dy = ddy(texture_coord);
+        float delta_max_sqr = max(dot(dx, dx), dot(dy, dy));
+        
+        return 0.5 * log2(delta_max_sqr);
+    }
+    
+    void ApplyAlphaToCoverage(inout float4 finalColor)
+    {
+        // Force Model Opacity to 1 if desired
+        
+        UNITY_BRANCH
+        if (_MainAlphaToCoverage)
+        {
+            // rescale alpha by mip level
+            finalColor.a *= 1 + max(0, CalcMipLevel(poiMesh.uv[0] * _MainTex_TexelSize.zw)) * _MainMipScale;
+            // rescale alpha by partial derivative
+            finalColor.a = (finalColor.a - _Clip) / max(fwidth(finalColor.a), 0.0001) + _Clip;
+        }
+    }
+#endif
\ No newline at end of file