Add subtractive blending mode to backends

2025-12-16 08:27:10 +00:00 · 2017-09-04 16:59:41 -10:00
parent 18cbfd2865
commit dd6e53119a
6 changed files with 71 additions and 11 deletions
--- a/include/boo/graphicsdev/IGraphicsDataFactory.hpp
+++ b/include/boo/graphicsdev/IGraphicsDataFactory.hpp
@@ -216,7 +216,10 @@ enum class BlendFactor
    DstAlpha,
    InvDstAlpha,
    SrcColor1,
-    InvSrcColor1
+    InvSrcColor1,
+
+    /* Special value that activates DstColor - SrcColor blending */
+    Subtract
 };

 /** Factory object for creating batches of resources as an IGraphicsData token */