From: nds <nds@opencascade.com>
Date: Sun, 28 Feb 2021 15:16:49 +0000 (+0300)
Subject: 0032179: Visualization, TKOpenGl - viewer clears QML controls content during redraw... 
X-Git-Url: http://git.dev.opencascade.org/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2FCR32179;p=occt-copy.git

0032179: Visualization, TKOpenGl - viewer clears QML controls content during redraw on Intel HD Graphics 520
---

diff --git a/src/OpenGl/OpenGl_View.cxx b/src/OpenGl/OpenGl_View.cxx
index 57af07f5b1..1c99b43a0f 100644
--- a/src/OpenGl/OpenGl_View.cxx
+++ b/src/OpenGl/OpenGl_View.cxx
@@ -2586,7 +2586,7 @@ bool OpenGl_View::blitBuffers (OpenGl_FrameBuffer*    theReadFbo,
 
   aCtx->SetColorMaskRGBA (NCollection_Vec4<bool> (true)); // force writes into all components, including alpha
   aCtx->core20fwd->glClearDepth (1.0);
-  aCtx->core20fwd->glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+  aCtx->core20fwd->glClear (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
   aCtx->SetColorMask (true); // restore default alpha component write state
 
   const bool toApplyGamma = aCtx->ToRenderSRGB() != aCtx->IsFrameBufferSRGB();