* Use correct HALF_FLOAT constant for GLES
* Support GLTracer and GL debug in Android
* Support instancing in GLTracer
* Don't use unsupported TEXTURE_{BASE,MAX}_LEVEL in GLES
* Support ABGR8 using swizzle extension
* Move glFramebufferTextureLayer to GLFbo
* Avoid RGB111110F in filters unless its actually supported
* Use the same depth format in all places in FPP
* Print the object with the problem in NativeObjectManager
* JMException does not exist on Android
* 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.
* this is required for pregenerated mipmaps in e.g. DDS files
* others checks are added to make sure a zero-length buffer cannot be uploaded (that's an error for now)