From c5c716a12c6b8a7aa5cb5c30873cfe134b4c334c Mon Sep 17 00:00:00 2001
From: Rhys Weatherley <rhys.weatherley@nokia.com>
Date: Fri, 24 Jul 2009 11:16:02 +1000
Subject: Reset shader stage variables when the custom shader is explicitly
 removed.

---
 src/opengl/gl2paintengineex/qglengineshadermanager.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
index 6363212..848a7f1 100644
--- a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
+++ b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
@@ -343,6 +343,8 @@ void QGLEngineShaderManager::removeCustomStage(QGLCustomShaderStage* stage)
 
     delete compiledShader;
     compiledShaders[CustomImageSrcFragmentShader] = 0;
+    customSrcStage = 0;
+    customSrcStagePrev = 0;
     shaderProgNeedsChanging = true;
 }
 
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