Yuri Kunde Schlesner 11642fd3a2 Rework OpenGL renderer.
The OpenGL renderer has been revised, with the following changes:
 - Initialization and rendering have been refactored to reduce the number of
   redundant objects used.
 - Framebuffer rotation is now done directly, using texture mapping.
 - Vertex coordinates are now given in pixels, and the projection matrix
   isn't hardcoded anymore.
2014-10-12 14:38:53 +02:00
..
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2014-10-12 14:38:53 +02:00