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radeonsi: early out of si_blit_decompress_depth_in_place based on dirty mask 

Avoid dirtying the db_render_state atom when possible.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2016-04-22 12:55:15 -05:00
parent d14d6c3f58
commit dc6fc2f390
1 changed files with 14 additions and 6 deletions
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20
src/gallium/drivers/radeonsi/si_blit.c
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@ -186,23 +186,31 @@ static void si_blit_decompress_depth_in_place(struct si_context *sctx,
unsigned first_layer, unsigned last_layer)
{
struct pipe_surface *zsurf, surf_tmpl = {{0}};
unsigned layer, max_layer, checked_last_layer, level;
unsigned layer, max_layer, checked_last_layer;
unsigned *dirty_level_mask;
unsigned level_mask =
u_bit_consecutive(first_level, last_level - first_level + 1);
if (is_stencil_sampler) {
sctx->db_flush_stencil_inplace = true;
dirty_level_mask = &texture->stencil_dirty_level_mask;
} else {
sctx->db_flush_depth_inplace = true;
dirty_level_mask = &texture->dirty_level_mask;
}
level_mask &= *dirty_level_mask;
if (!level_mask)
return;
if (is_stencil_sampler)
sctx->db_flush_stencil_inplace = true;
else
sctx->db_flush_depth_inplace = true;
si_mark_atom_dirty(sctx, &sctx->db_render_state);
surf_tmpl.format = texture->resource.b.b.format;
for (level = first_level; level <= last_level; level++) {
if (!(*dirty_level_mask & (1 << level)))
continue;
while (level_mask) {
unsigned level = u_bit_scan(&level_mask);
surf_tmpl.u.tex.level = level;