Add from GL_R8, GL_RGBA5551, GL_LUMINANCE, GL_ALPHA, GL_LUMINANCE_ALPHA to GL_RGBA8
Revert "Add from GL_R8, GL_RGBA5551, GL_LUMINANCE, GL_ALPHA, GL_LUMINANCE_ALPHA to GL_RGBA8"

This reverts commit fa90df3967efd0bd80e8c24cfda9a11f75b1b4a8.
Revert "Revert "Add from GL_R8, GL_RGBA5551, GL_LUMINANCE, GL_ALPHA, GL_LUMINANCE_ALPHA to GL_RGBA8""

This reverts commit 04399dac8c466b7e32dbc06506ea473236822cbc.