From cbc57a99c200952816e4dd827d0a9d27beaef4bd Mon Sep 17 00:00:00 2001
From: Luboš Luňák <l.lunak@collabora.com>
Date: Mon, 15 Dec 2014 13:05:17 +0100
Subject: allow using more than one opengl program during one draw "operation"

I.e. between one PreDraw()/PostDraw() pair.

Change-Id: I358d603ff33fa7416a4033bf074fe390b1112fcc
---
 vcl/opengl/gdiimpl.cxx | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'vcl')

diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 3690a6b5fa77..694f6d20ac78 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -350,6 +350,8 @@ bool OpenGLSalGraphicsImpl::CheckOffscreenTexture()
 
 bool OpenGLSalGraphicsImpl::UseProgram( const OUString& rVertexShader, const OUString& rFragmentShader )
 {
+    if( mpProgram != NULL )
+        mpProgram->Clean();
     mpProgram = mpContext->UseProgram( rVertexShader, rFragmentShader );
     return ( mpProgram != NULL );
 }
-- 
cgit