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mesa: Use a 565 format for GL_RGB and GL_UNSIGNED_SHORT_5_6_5 textures.

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Found while trying to optimize an application.

Not observed to help performance on i965, but should at least reduce
the memory usage of such textures a bit.

Reviewed-by: Eric Anholt <eric@anholt.net>
Tested-by: Eero Tamminen <eero.t.tamminen@intel.com>
This commit is contained in:
Kenneth Graunke 2017-10-04 01:08:37 -07:00
parent 7463d50580
commit 18bdf73556
1 changed files with 3 additions and 0 deletions
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3
src/mesa/main/texformat.c
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@ -117,6 +117,9 @@ _mesa_choose_tex_format(struct gl_context *ctx, GLenum target,
if (type == GL_UNSIGNED_INT_2_10_10_10_REV) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B10G10R10A2_UNORM);
}
if (type == GL_UNSIGNED_SHORT_5_6_5) {
RETURN_IF_SUPPORTED(MESA_FORMAT_B5G6R5_UNORM);
}
/* fallthrough */
case GL_RGB8:
RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_UNORM8);