Mesa (master): radeonsi: expand the compressed color and depth texture masks to 64 bits

[Nicolai Hähnle]

Module: Mesa
Branch: master
Commit: 9d2693f58ad27464aabf556e7d6bd4c4eb0fd591
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9d2693f58ad27464aabf556e7d6bd4c4eb0fd591

Author: Nicolai Hähnle <nicolai.haehnle at amd.com>
Date:   Wed Apr  6 11:58:42 2016 -0500

radeonsi: expand the compressed color and depth texture masks to 64 bits

This is in preparation of raising the number of exposed sampler views to 32
bits, which will raise the total number of sampler views to 33 for the
polygon stipple texture. That texture should never be compressed (and it's
certainly not a depth texture), but this approach seems cleaner to me than
special-casing the last slot in all affected code paths.

Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>

---

 src/gallium/drivers/radeonsi/si_blit.c        | 12 ++++++------
 src/gallium/drivers/radeonsi/si_descriptors.c | 20 ++++++++++----------
 src/gallium/drivers/radeonsi/si_pipe.h        |  4 ++--
 3 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
index e0dbec5..c5ea8b1 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -246,14 +246,14 @@ si_flush_depth_textures(struct si_context *sctx,
 			struct si_textures_info *textures)
 {
 	unsigned i;
-	unsigned mask = textures->depth_texture_mask;
+	uint64_t mask = textures->depth_texture_mask;
 
 	while (mask) {
 		struct pipe_sampler_view *view;
 		struct si_sampler_view *sview;
 		struct r600_texture *tex;
 
-		i = u_bit_scan(&mask);
+		i = u_bit_scan64(&mask);
 
 		view = textures->views.views[i];
 		assert(view);
@@ -329,13 +329,13 @@ si_decompress_sampler_color_textures(struct si_context *sctx,
 				     struct si_textures_info *textures)
 {
 	unsigned i;
-	unsigned mask = textures->compressed_colortex_mask;
+	uint64_t mask = textures->compressed_colortex_mask;
 
 	while (mask) {
 		struct pipe_sampler_view *view;
 		struct r600_texture *tex;
 
-		i = u_bit_scan(&mask);
+		i = u_bit_scan64(&mask);
 
 		view = textures->views.views[i];
 		assert(view);
@@ -355,13 +355,13 @@ si_decompress_image_color_textures(struct si_context *sctx,
 				   struct si_images_info *images)
 {
 	unsigned i;
-	unsigned mask = images->compressed_colortex_mask;
+	uint64_t mask = images->compressed_colortex_mask;
 
 	while (mask) {
 		const struct pipe_image_view *view;
 		struct r600_texture *tex;
 
-		i = u_bit_scan(&mask);
+		i = u_bit_scan64(&mask);
 
 		view = &images->views[i];
 		assert(view->resource->target != PIPE_BUFFER);
diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c
index 815b87b..6dd2e4f 100644
--- a/src/gallium/drivers/radeonsi/si_descriptors.c
+++ b/src/gallium/drivers/radeonsi/si_descriptors.c
@@ -264,8 +264,8 @@ static void si_set_sampler_views(struct pipe_context *ctx,
 		unsigned slot = start + i;
 
 		if (!views || !views[i]) {
-			samplers->depth_texture_mask &= ~(1 << slot);
-			samplers->compressed_colortex_mask &= ~(1 << slot);
+			samplers->depth_texture_mask &= ~(1llu << slot);
+			samplers->compressed_colortex_mask &= ~(1llu << slot);
 			si_set_sampler_view(sctx, &samplers->views, slot, NULL);
 			continue;
 		}
@@ -277,18 +277,18 @@ static void si_set_sampler_views(struct pipe_context *ctx,
 				(struct r600_texture*)views[i]->texture;
 
 			if (rtex->is_depth && !rtex->is_flushing_texture) {
-				samplers->depth_texture_mask |= 1 << slot;
+				samplers->depth_texture_mask |= 1llu << slot;
 			} else {
-				samplers->depth_texture_mask &= ~(1 << slot);
+				samplers->depth_texture_mask &= ~(1llu << slot);
 			}
 			if (is_compressed_colortex(rtex)) {
-				samplers->compressed_colortex_mask |= 1 << slot;
+				samplers->compressed_colortex_mask |= 1llu << slot;
 			} else {
-				samplers->compressed_colortex_mask &= ~(1 << slot);
+				samplers->compressed_colortex_mask &= ~(1llu << slot);
 			}
 		} else {
-			samplers->depth_texture_mask &= ~(1 << slot);
-			samplers->compressed_colortex_mask &= ~(1 << slot);
+			samplers->depth_texture_mask &= ~(1llu << slot);
+			samplers->compressed_colortex_mask &= ~(1llu << slot);
 		}
 	}
 }
@@ -306,9 +306,9 @@ si_samplers_update_compressed_colortex_mask(struct si_textures_info *samplers)
 			struct r600_texture *rtex = (struct r600_texture *)res;
 
 			if (is_compressed_colortex(rtex)) {
-				samplers->compressed_colortex_mask |= 1 << i;
+				samplers->compressed_colortex_mask |= 1llu << i;
 			} else {
-				samplers->compressed_colortex_mask &= ~(1 << i);
+				samplers->compressed_colortex_mask &= ~(1llu << i);
 			}
 		}
 	}
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index 6d0d687..4158fc5 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -137,8 +137,8 @@ struct si_cs_shader_state {
 
 struct si_textures_info {
 	struct si_sampler_views		views;
-	uint32_t			depth_texture_mask; /* which textures are depth */
-	uint32_t			compressed_colortex_mask;
+	uint64_t			depth_texture_mask; /* which textures are depth */
+	uint64_t			compressed_colortex_mask;
 };
 
 struct si_images_info {