Realize the use of OpenGL graphics rendering of a 2D two-dimensional control (GDI too slow to solve the problem) the source code: after the author is busy with a project needs a lot of two-dimensional graphics rendering. Started thinking about the use of GDI, but a lot of GDI for rendering the image is really is too slow, so a solution is: the use of OpenGL to achieve a two-dimensional graphics rendering user controls.

Packet : 37724123opengl-2d-drawing-gdi-slow.rar filelist
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GLView_Demo_src.zip
GLView_src.zip
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