Add ColorDodge blendmodes

tooll3 · Jun 11, 2023 · e714456 · e714456
1 parent 06514f9
commit e714456
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diff --git a/Core/Utils/SharedEnums.cs b/Core/Utils/SharedEnums.cs
@@ -22,6 +22,8 @@ public enum RgbBlendModes
             Difference = 4,
             UseImageA_RGB = 5,
             UseImageB_RGB = 6,
+            ColorDodge = 7,
+            LinearDodge = 8,
         }
     }
 }
diff --git a/Resources/lib/shared/blend-functions.hlsl b/Resources/lib/shared/blend-functions.hlsl
@@ -52,6 +52,16 @@ float4 BlendColors(float4 tA, float4 tB, int blendMode)
     case 6:
         rgb = tB.rgb;
         break;
+
+    // colorDodge
+    case 7:
+        rgb = tA.rgb / (1.0001 - saturate( tB.rgb)); 
+        break;
+
+    // linearDodge  
+    case 8: 
+        rgb = tA.rgb + tB.rgb;
+        break;
     }
 
     return float4(rgb, a);