Fixed references to OpenGL structs in OpenGLES_1 renderer.
Fixed references to OpenGL structs in OpenGLES_1 renderer.
DataFighter/sdl-gpu,DataFighter/sdl-gpu,neozero497/sdl-gpu,weimingtom/sdl-gpu,DataFighter/sdl-gpu,weimingtom/sdl-gpu,neozero497/sdl-gpu,weimingtom/sdl-gpu,neozero497/sdl-gpu