now using glEnablei/glDisablei for BlendModes. (Mac ARM64 only atm)

aardvark-platform · Feb 21, 2025 · fbbd6e9 · fbbd6e9
1 parent 83f3da2
commit fbbd6e9
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diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
@@ -1,3 +1,6 @@
+### 5.5.16
+- now using `glEnablei/glDisablei` for BlendModes.
+
 ### 5.5.15
 - updated package FSharp.Data.Adaptive 1.2.19
 - Improved error reporting for buffer creation and updating

diff --git a/lib/Native/Aardvark.Rendering.GL/mac/ARM64/glvm.dylib b/lib/Native/Aardvark.Rendering.GL/mac/ARM64/glvm.dylib
diff --git a/src/GLVM/glvm.cpp b/src/GLVM/glvm.cpp
@@ -1156,12 +1156,16 @@ DllExport(void) hglSetBlendModes(int count, BlendMode** ptr)
 	}
 	else
 	{
-		glEnable(GL_BLEND);
-
 		for (int i = 0; i < count; i++)
 		{
-			glBlendFuncSeparatei(i, modes[i].SourceFactor, modes[i].DestFactor, modes[i].SourceFactorAlpha, modes[i].DestFactorAlpha);
-			glBlendEquationSeparatei(i, modes[i].Operation, modes[i].OperationAlpha);
+			if(modes[i].Enabled) {
+				glEnablei(GL_BLEND, i);
+				glBlendFuncSeparatei(i, modes[i].SourceFactor, modes[i].DestFactor, modes[i].SourceFactorAlpha, modes[i].DestFactorAlpha);
+				glBlendEquationSeparatei(i, modes[i].Operation, modes[i].OperationAlpha);
+			}
+			else {
+				glDisablei(GL_BLEND, i);
+			}
 		}
 	}
 	endtrace("a")