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2 commits

Author SHA1 Message Date
Johannes Schickel
0f36a56b81 OPENGL: Properly query for OpenGL errors.
There might be various error flags and we need to clear all of them to get
precise error results. Thus, we need to call glGetError in a loop to achieve
that.
2014-01-21 23:52:20 +01:00
Johannes Schickel
46323074e7 OPENGL: Add new generic OpenGL (ES) backend.
This backend is based on ideas of the old OpenGL backend, of the Android GL
backend and of the iPhone GL backend.
2013-10-19 22:12:01 +02:00