[d3d11] Don't use presentation fence on ANV

Should hopefully fix stuttering issues introduced with 1.0.
doitsujin · Mar 14, 2019 · 19f8282 · 19f8282
1 parent 1656860
commit 19f8282
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/src/d3d11/d3d11_swapchain.cpp b/src/d3d11/d3d11_swapchain.cpp
@@ -36,6 +36,10 @@ namespace dxvk {
     InitShaders();
 
     SetGammaControl(0, nullptr);
+
+    // The present fence seems to introduce stutter on ANV
+    if (m_device->adapter()->matchesDriver(DxvkGpuVendor::Intel, VK_DRIVER_ID_INTEL_OPEN_SOURCE_MESA_KHR, 0, 0))
+      m_usePresentFence = false;
   }
 
 
@@ -240,7 +244,8 @@ namespace dxvk {
       }
 
       // Wait for image to become actually available
-      m_presenter->waitForFence(sync.fence);
+      if (m_usePresentFence)
+        m_presenter->waitForFence(sync.fence);
 
       // Use an appropriate texture filter depending on whether
       // the back buffer size matches the swap image size

diff --git a/src/d3d11/d3d11_swapchain.h b/src/d3d11/d3d11_swapchain.h
@@ -120,6 +120,8 @@ namespace dxvk {
     bool                    m_dirty = true;
     bool                    m_vsync = true;
 
+    bool                    m_usePresentFence = true;
+
     void PresentImage(UINT SyncInterval);
 
     void FlushImmediateContext();