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intel/blorp: Add a NO_UPDATE_CLEAR_COLOR batch flag 

Allow callers to handle updating the indirect clear color buffer
themselves. This can reduce the number of clear color updates in the
case where a caller performs multiple fast clears with the same clear
color.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Nanley Chery 2018-04-26 17:09:29 -07:00
parent f8ac11d69f
commit 02f5512fed
2 changed files with 9 additions and 2 deletions
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5
src/intel/blorp/blorp.h
View File

@ -72,6 +72,11 @@ enum blorp_batch_flags {
/* This flag indicates that the blorp call should be predicated. */
BLORP_BATCH_PREDICATE_ENABLE = (1 << 1),
/* This flag indicates that blorp should *not* update the indirect clear
* color buffer.
*/
BLORP_BATCH_NO_UPDATE_CLEAR_COLOR = (1 << 2),
};
struct blorp_batch {

6
src/intel/blorp/blorp_genX_exec.h
View File

@ -1700,8 +1700,10 @@ blorp_update_clear_color(struct blorp_batch *batch,
static void
blorp_exec(struct blorp_batch *batch, const struct blorp_params *params)
{
blorp_update_clear_color(batch, &params->dst, params->fast_clear_op);
blorp_update_clear_color(batch, &params->depth, params->hiz_op);
if (!(batch->flags & BLORP_BATCH_NO_UPDATE_CLEAR_COLOR)) {
blorp_update_clear_color(batch, &params->dst, params->fast_clear_op);
blorp_update_clear_color(batch, &params->depth, params->hiz_op);
}
#if GEN_GEN >= 8
if (params->hiz_op != ISL_AUX_OP_NONE) {