In looking at adding EXT_texture_swizzle I'm a bit confused about what exactly should happen with BGRA textures, as on r300 we use the texture swizzling to do BGRA, so we would have some interaction at that point.
To make sure we test for this I've made the following enhancments to the glean test (in piglit tree - but I'll resubmit against glean tree if correct). Can someone with a clue make sure this is a sane test, it passes against swrast.. Dave.
glean-ext-swizzle-bgra.patch
Description: Binary data
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