Made GL_RGB textures map to D3DFMT_X8R8G8B8.
I suspect there is a subtle reason why this is the wrong thing to do.
The issue I am trying to address is glBlitFramebufferANGLE generating an error when bliting from a GL_RGB8_OES renderbuffer to a GL_RGB texture bound to the read framebuffer and draw framebuffer respectively. It verifies that both surfaces have the same underlying D3DFMT but GL_RGB8_OES renderbuffers are backed by X8R8G8B8 and GL_RGB textures were previously backed by A8R8G8B8.
Since textures cannot as far as I know be created GL_RGB8_OES, it would be useful to have a way to blit from a GL_RGB8_OES renderbuffer to a GL_RGB texture.
Review URL: http://codereview.appspot.com/2822041
git-svn-id: http://angleproject.googlecode.com/svn/trunk@481 736b8ea6-26fd-11df-bfd4-992fa37f6226
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