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radeonsi: use level mask for early out in si_blit_decompress_color 

Mostly for consistency with the other decompress functions, but note that
in the non-DCC decompress case, the function can now early-out in slightly
more (albeit probably rare) cases.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2016-04-22 15:27:33 -05:00
parent 0ff05b55c6
commit 450ff0f0d5
1 changed files with 8 additions and 6 deletions
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14
src/gallium/drivers/radeonsi/si_blit.c
View File

@ -309,17 +309,19 @@ static void si_blit_decompress_color(struct pipe_context *ctx,
bool need_dcc_decompress)
{
struct si_context *sctx = (struct si_context *)ctx;
unsigned layer, level, checked_last_layer, max_layer;
unsigned layer, checked_last_layer, max_layer;
unsigned level_mask =
u_bit_consecutive(first_level, last_level - first_level + 1);
if (!rtex->dirty_level_mask && !need_dcc_decompress)
if (!need_dcc_decompress)
level_mask &= rtex->dirty_level_mask;
if (!level_mask)
return;
for (level = first_level; level <= last_level; level++) {
while (level_mask) {
unsigned level = u_bit_scan(&level_mask);
void* custom_blend;
if (!(rtex->dirty_level_mask & (1 << level)) && !need_dcc_decompress)
continue;
if (rtex->dcc_offset && need_dcc_decompress) {
custom_blend = sctx->custom_blend_dcc_decompress;
} else if (rtex->fmask.size) {