Kirill Vainer 5b95f8a4b0 GLRenderer: Improve compatibility with OpenGL 3.2 core profile
* Separate GLFbo and GLExt implementations. GLFbo can now be implemented either via vanilla OpenGL3 calls or GL_EXT_framebuffer_*** extensions (OpenGL2.1- only).
 * Use modern way of getting supported extensions in core profile.
 * Luminance and Alpha formats are not available when running in core profile.
 * Bind a dummy vertex array object (VAO) when running in core profile.
 * Point sprite mode is always enabled. Since both OpenGL ES 2.0 and OpenGL 3.2 core require it, jME3 is no longer capable of rendering regular points.
2015-04-25 16:57:24 -04:00
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