From: Nicolai Hähnle Date: Fri, 22 Apr 2016 20:27:33 +0000 (-0500) Subject: radeonsi: use level mask for early out in si_blit_decompress_color X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=450ff0f0d5d603bb36ca3fbd9c871c9e8553baab;p=mesa.git 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 --- diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c index 09f32071365..32f953daef6 100644 --- a/src/gallium/drivers/radeonsi/si_blit.c +++ b/src/gallium/drivers/radeonsi/si_blit.c @@ -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) {