[Mesa-dev] [PATCH 2/5] radeonsi: simplify a loop in si_update_fb_dirtiness_after_rendering

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/drivers/radeonsi/si_state.c | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 4965a83..f5abbf3 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -2644,35 +2644,31 @@ void si_update_fb_dirtiness_after_rendering(struct si_context *sctx)
 
 	if (sctx->framebuffer.state.zsbuf) {
 		struct pipe_surface *surf = sctx->framebuffer.state.zsbuf;
 		struct r600_texture *rtex = (struct r600_texture *)surf->texture;
 
 		rtex->dirty_level_mask |= 1 << surf->u.tex.level;
 
 		if (rtex->surface.has_stencil)
 			rtex->stencil_dirty_level_mask |= 1 << surf->u.tex.level;
 	}
-	if (sctx->framebuffer.compressed_cb_mask) {
-		struct pipe_surface *surf;
-		struct r600_texture *rtex;
-		unsigned mask = sctx->framebuffer.compressed_cb_mask;
-
-		do {
-			unsigned i = u_bit_scan(&mask);
-			surf = sctx->framebuffer.state.cbufs[i];
-			rtex = (struct r600_texture*)surf->texture;
-
-			if (rtex->fmask.size)
-				rtex->dirty_level_mask |= 1 << surf->u.tex.level;
-			if (rtex->dcc_gather_statistics)
-				rtex->separate_dcc_dirty = true;
-		} while (mask);
+
+	unsigned compressed_cb_mask = sctx->framebuffer.compressed_cb_mask;
+	while (compressed_cb_mask) {
+		unsigned i = u_bit_scan(&compressed_cb_mask);
+		struct pipe_surface *surf = sctx->framebuffer.state.cbufs[i];
+		struct r600_texture *rtex = (struct r600_texture*)surf->texture;
+
+		if (rtex->fmask.size)
+			rtex->dirty_level_mask |= 1 << surf->u.tex.level;
+		if (rtex->dcc_gather_statistics)
+			rtex->separate_dcc_dirty = true;
 	}
 }
 
 static void si_dec_framebuffer_counters(const struct pipe_framebuffer_state *state)
 {
 	for (int i = 0; i < state->nr_cbufs; ++i) {
 		struct r600_surface *surf = NULL;
 		struct r600_texture *rtex;
 
 		if (!state->cbufs[i])
-- 
2.7.4