gl-renderer: query EGL to determine if GL_TEXTURE_EXTERNAL_OES should be used
Using the number of planes to determine if GL_TEXTURE_EXTERNAL_OES should be used is incorrect with some modifiers: For example RGBA with a I915_FORMAT_MOD_Y_TILED_CCS modifier has two planes.
Use eglQueryDmaBufModifiersEXT() to query if the current format/modifier only supports GL_TEXTURE_EXTERNAL_OES.
Use the current code as fallback of modifiers are not supported.
Signed-off-by: Michael Olbrich m.olbrich@pengutronix.de