- proper maintenance of the depth bias state.

Change state must be combined, not overwritten, or it may miss some needed state changes.
ZDoom · Jan 13, 2022 · 049fc5f · 049fc5f
1 parent fcf04a7
commit 049fc5f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/source/common/rendering/hwrenderer/data/hw_renderstate.h b/source/common/rendering/hwrenderer/data/hw_renderstate.h
@@ -585,7 +585,7 @@ class FRenderState
 
 	void SetDepthBias(float a, float b)
 	{
-		mBias.mChanged = mBias.mFactor != a || mBias.mUnits != b;
+		mBias.mChanged |= mBias.mFactor != a || mBias.mUnits != b;
 		mBias.mFactor = a;
 		mBias.mUnits = b;
 	}
@@ -597,7 +597,7 @@ class FRenderState
 
 	void ClearDepthBias()
 	{
-		mBias.mChanged = mBias.mFactor != 0 || mBias.mUnits != 0;
+		mBias.mChanged |= mBias.mFactor != 0 || mBias.mUnits != 0;
 		mBias.mFactor = 0;
 		mBias.mUnits = 0;
 	}