[dxvk] Clear color write mask if fragment shader output is undefined

Fallout 76 writes undefined data to one specific render target otherwise. Refs #779.
doitsujin · Dec 7, 2018 · 9572425 · 9572425
1 parent ef63328
commit 9572425
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/dxvk/dxvk_graphics.cpp b/src/dxvk/dxvk_graphics.cpp
@@ -231,6 +231,9 @@ namespace dxvk {
         state.omBlendAttachments[i].colorWriteMask,
         state.omComponentMapping[i]);
 
+      if ((m_fsOut & (1 << i)) == 0)
+        omBlendAttachments[i].colorWriteMask = 0;
+
       specData.outputMappings[4 * i + 0] = util::getComponentIndex(state.omComponentMapping[i].r, 0);
       specData.outputMappings[4 * i + 1] = util::getComponentIndex(state.omComponentMapping[i].g, 1);
       specData.outputMappings[4 * i + 2] = util::getComponentIndex(state.omComponentMapping[i].b, 2);