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i965: Don't use BRW_DEPTHFORMAT_D24_UNORM_X8_UINT on Gen4.

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X8 depth formats weren't supported until Ironlake (Gen 5).

Fixes GPU hangs introduced in d84a180417.
One example test case was "fbo-missing-attachment-blit from".

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kenneth Graunke 2011-12-20 15:26:21 -08:00
parent cb045880b1
commit 9df8662e28
1 changed files with 4 additions and 1 deletions
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5
src/mesa/drivers/dri/i965/brw_misc_state.c
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@ -223,7 +223,10 @@ brw_depthbuffer_format(struct brw_context *brw)
case MESA_FORMAT_Z32_FLOAT:
return BRW_DEPTHFORMAT_D32_FLOAT;
case MESA_FORMAT_X8_Z24:
return BRW_DEPTHFORMAT_D24_UNORM_X8_UINT;
if (intel->gen >= 5)
return BRW_DEPTHFORMAT_D24_UNORM_X8_UINT;
else /* Gen4 doesn't support X8; use S8 instead. */
return BRW_DEPTHFORMAT_D24_UNORM_S8_UINT;
case MESA_FORMAT_S8_Z24:
return BRW_DEPTHFORMAT_D24_UNORM_S8_UINT;
case MESA_FORMAT_Z32_FLOAT_X24S8: