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mesa: Add MESA_FORMAT_X8_Z24 to _mesa_choose_tex_format

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Prefer MESA_FORMAT_X8_Z24 over MESA_FORMAT_S8_Z24 for textures with
internal format GL_DEPTH_COMPONENT*.

i965 needs MESA_FORMAT_X8_Z24 for HiZ and separate stencil.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Chad Versace <chad@chad-versace.us>
This commit is contained in:
Chad Versace 2011-05-23 13:47:17 -07:00
parent 76f77cb07e
commit 4e0654ec29
1 changed files with 2 additions and 0 deletions
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2
src/mesa/main/texformat.c
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@ -217,10 +217,12 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
case GL_DEPTH_COMPONENT24:
case GL_DEPTH_COMPONENT32:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z32);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8_Z24);
RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
break;
case GL_DEPTH_COMPONENT16:
RETURN_IF_SUPPORTED(MESA_FORMAT_Z16);
RETURN_IF_SUPPORTED(MESA_FORMAT_X8_Z24);
RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
default:
; /* fallthrough */