From 71595b9099ad70b474502ca3b16c2da7050cb6a8 Mon Sep 17 00:00:00 2001
From: assiduous <assiduous@diligentgraphics.com>
Date: Tue, 24 Dec 2019 10:39:56 -0800
Subject: Updated swap chain Present() to unbind back buffers from immediate
 context

---
 Graphics/GraphicsEngineOpenGL/src/SwapChainGLImpl.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'Graphics/GraphicsEngineOpenGL')

diff --git a/Graphics/GraphicsEngineOpenGL/src/SwapChainGLImpl.cpp b/Graphics/GraphicsEngineOpenGL/src/SwapChainGLImpl.cpp
index 831fdb7e..fc33ccf9 100644
--- a/Graphics/GraphicsEngineOpenGL/src/SwapChainGLImpl.cpp
+++ b/Graphics/GraphicsEngineOpenGL/src/SwapChainGLImpl.cpp
@@ -112,6 +112,14 @@ void SwapChainGLImpl::Present(Uint32 SyncInterval)
 #else
 #    error Unsupported platform
 #endif
+
+    // Unbind back buffer from device context to be consistent with other backends
+    if (auto pDeviceContext = m_wpDeviceContext.Lock())
+    {
+        auto* pDeviceCtxGl = pDeviceContext.RawPtr<DeviceContextGLImpl>();
+        auto* pBackBuffer  = ValidatedCast<TextureBaseGL>(m_pRenderTargetView->GetTexture());
+        pDeviceCtxGl->UnbindTextureFromFramebuffer(pBackBuffer, false);
+    }
 }
 
 void SwapChainGLImpl::Resize(Uint32 NewWidth, Uint32 NewHeight)
-- 
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