Revision: 4481
          http://pd-gem.svn.sourceforge.net/pd-gem/?rev=4481&view=rev
Author:   zmoelnig
Date:     2011-08-16 20:42:59 +0000 (Tue, 16 Aug 2011)

Log Message:
-----------
use CLAMP_TO_EDGE if available

Modified Paths:
--------------
    trunk/Gem/src/Controls/gemframebuffer.cpp

Modified: trunk/Gem/src/Controls/gemframebuffer.cpp
===================================================================
--- trunk/Gem/src/Controls/gemframebuffer.cpp   2011-08-16 16:28:57 UTC (rev 
4480)
+++ trunk/Gem/src/Controls/gemframebuffer.cpp   2011-08-16 20:42:59 UTC (rev 
4481)
@@ -281,8 +281,11 @@
   // so switching back to GL_NEAREST
   glTexParameteri(m_texTarget, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
   glTexParameteri(m_texTarget, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-  glTexParameterf(m_texTarget, GL_TEXTURE_WRAP_S, GL_CLAMP);
-  glTexParameterf(m_texTarget, GL_TEXTURE_WRAP_T, GL_CLAMP);
+
+  GLuint wrapmode = (GLEW_EXT_texture_edge_clamp)?GL_CLAMP_TO_EDGE:GL_CLAMP;
+
+  glTexParameterf(m_texTarget, GL_TEXTURE_WRAP_S, wrapmode);
+  glTexParameterf(m_texTarget, GL_TEXTURE_WRAP_T, wrapmode);
   
   // Initialize the render buffer.
   glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, m_depthBufferIndex);


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