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mesa: Set gl_constants::MinMapBufferAlignment

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Leaving it set to zero isn't really correct since every allocation has
at least an alignment of 1 byte.  It also caused a problem in the i965
driver after I removed the MAX(64, ...) from the alignment calculation.
That's what I get for changing a patch without retesting it. :(

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=73907
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Cc: Lu Hua <huax.lu@intel.com>
This commit is contained in:
Ian Romanick 2014-01-22 08:28:49 -08:00
parent 7a0f26dec9
commit e4fcae0755
1 changed files with 1 additions and 0 deletions
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src/mesa/main/context.c
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@ -587,6 +587,7 @@ _mesa_init_constants(struct gl_context *ctx)
ctx->Const.MaxSpotExponent = 128.0;
ctx->Const.MaxViewportWidth = MAX_VIEWPORT_WIDTH;
ctx->Const.MaxViewportHeight = MAX_VIEWPORT_HEIGHT;
ctx->Const.MinMapBufferAlignment = 1;
/* Driver must override these values if ARB_viewport_array is supported. */
ctx->Const.MaxViewports = 1;