From 44c0f96fc141c55fd668a2f3624b0c27631f439a Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Sat, 26 Oct 2019 19:55:05 +0200
Subject: [PATCH] [dxvk] Pause transform feedback on buffer updates

Otherwise, we might override a currently bound transform
feedback buffer or counter buffer. Fixes Unity Engine.
---
 src/dxvk/dxvk_context.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/dxvk/dxvk_context.cpp b/src/dxvk/dxvk_context.cpp
index cbb780699..388c45b6e 100644
--- a/src/dxvk/dxvk_context.cpp
+++ b/src/dxvk/dxvk_context.cpp
@@ -1836,6 +1836,11 @@ namespace dxvk {
     DxvkCmdBuffer         cmdBuffer;
 
     if (replaceBuffer) {
+      // Pause transform feedback so that we don't mess
+      // with the currently bound counter buffers
+      if (m_flags.test(DxvkContextFlag::GpXfbActive))
+        this->pauseTransformFeedback();
+
       // As an optimization, allocate a free slice and perform
       // the copy in the initialization command buffer instead
       // interrupting the render pass and stalling the pipeline.