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mesa/texcompress: correct mapping of S3TC formats in conversion function 

MESA_FORMAT_RGBA_DXT5 should actually be reserved for GL_RGBA[4]_DXT5_S3TC.
Also, Gallium and other dri drivers (radeon and nouveau) follow this mapping
scheme.

Reviewed-by: Chad Versace <chad.versace@intel.com>
Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
This commit is contained in:
Nanley Chery 2015-08-26 12:01:38 -07:00
parent 3063913f77
commit 01024ded1e
1 changed files with 2 additions and 2 deletions
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4
src/mesa/main/texcompress.c
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@ -400,15 +400,15 @@ _mesa_glenum_to_compressed_format(GLenum format)
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
case GL_RGB_S3TC:
case GL_RGB4_S3TC:
return MESA_FORMAT_RGB_DXT1;
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
case GL_RGB4_S3TC:
return MESA_FORMAT_RGBA_DXT1;
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
case GL_RGBA_S3TC:
case GL_RGBA4_S3TC:
return MESA_FORMAT_RGBA_DXT3;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
case GL_RGBA4_S3TC:
return MESA_FORMAT_RGBA_DXT5;
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: