tree 8480e8ec408b92d9ebc637de36fb769cdcae147f
parent 4d4add0972d1c4eca3b62edb581fe65697b061ff
author Roland Scheidegger <rscheidegger@gmx.ch> 1160948876 +0000
committer Roland Scheidegger <rscheidegger@gmx.ch> 1160948876 +0000

fix handling of textures with a base internal format that does not have all four rgba values set for radeon and r200 (discovered with a modified glean pixelFormats test, noone ever noticed in over 2 years). For radeon, use hw format I8 as previously, and change tex env to make the correct default values appear for both GL_ALPHA and GL_LUMINANCE textures. For r200, which supports GL_LUMINANCE just fine,  use the AL88 hw format for GL_ALPHA textures, since it seems like it's probably not worth the effort to fix up the texture environment (certainly complicated in case of ATI_fragment_shader programs).