From 1a5b3b4bea43756d97dbf4d4200a7a004bcc4783 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fredrik=20H=C3=B6glund?= <fredrik@kde.org>
Date: Wed, 19 Jan 2011 16:40:37 +0000
Subject: [PATCH] Disable and delete the fragment program if it fails to
 compile.

svn path=/branches/KDE/4.6/kdebase/workspace/; revision=1215777
---
 lanczosfilter.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lanczosfilter.cpp b/lanczosfilter.cpp
index 1b6695ac81..f92e529859 100644
--- a/lanczosfilter.cpp
+++ b/lanczosfilter.cpp
@@ -708,6 +708,10 @@ bool LanczosShader::init()
         {
         const char *error = (const char*)glGetString(GL_PROGRAM_ERROR_STRING_ARB);
         kError() << "Failed to compile fragment program:" << error;
+        glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, 0);
+        glDeleteProgramsARB(1, &m_arbProgram);
+        glDisable(GL_FRAGMENT_PROGRAM_ARB);
+        m_arbProgram = 0;
         return false;
         }