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i965: Set fast color clear mcs_state on newly allocated image miptrees

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Just copying code from the dri2 path to set up the fast color clear state.

This also removes a couple of bogus intel_region_reference calls.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Keith Packard 2013-11-22 05:41:38 -08:00 • committed by Kenneth Graunke
parent c426fb08cf
commit 547bcc4b57
1 changed files with 7 additions and 3 deletions
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10
src/mesa/drivers/dri/i965/intel_mipmap_tree.c
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@ -771,7 +771,13 @@ intel_miptree_create_for_image_buffer(struct brw_context *intel,
if (!singlesample_mt)
return NULL;
intel_region_reference(&singlesample_mt->region, region);
/* If this miptree is capable of supporting fast color clears, set
* mcs_state appropriately to ensure that fast clears will occur.
* Allocation of the MCS miptree will be deferred until the first fast
* clear actually occurs.
*/
if (intel_is_non_msrt_mcs_buffer_supported(intel, singlesample_mt))
singlesample_mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;
if (num_samples == 0)
return singlesample_mt;
@ -789,8 +795,6 @@ intel_miptree_create_for_image_buffer(struct brw_context *intel,
multisample_mt->singlesample_mt = singlesample_mt;
multisample_mt->need_downsample = false;
intel_region_reference(&multisample_mt->region, region);
if (intel->is_front_buffer_rendering && buffer_type == __DRI_IMAGE_BUFFER_FRONT) {
intel_miptree_upsample(intel, multisample_mt);
}