Ryan C. Gordon 1899dfb041 Fixed SDL_ISPIXELFORMAT_ALPHA to check pixel orders that match pixel type. ...

Otherwise, SDL_PIXELFORMAT_BGR24 is reported as having alpha, because
 its SDL_ARRAYORDER_BGR pixel order uses the same integer value as
 SDL_PACKEDORDER_RGBA, since we weren't checking the pixel type to
 differentiate.

Fixes Bugzilla #2977.

2015-05-31 01:45:20 -04:00

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