gallium/radeon: add helpers for whether HTILE is enabled

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

src/gallium/drivers/r600/evergreen_state.c

@@ -1392,8 +1392,7 @@ static void evergreen_init_depth_surface(struct r600_context *rctx,
 					S_028044_FORMAT(V_028044_STENCIL_8);
 	}
 
-	/* use htile only for first level */
-	if (rtex->htile_offset && !level) {
+	if (r600_htile_enabled(rtex, level)) {
 		uint64_t va = rtex->resource.gpu_address + rtex->htile_offset;
 		surf->db_htile_data_base = va >> 8;
 		surf->db_htile_surface = S_028ABC_HTILE_WIDTH(1) |

src/gallium/drivers/r600/r600_blit.c

@@ -443,8 +443,7 @@ static void r600_clear(struct pipe_context *ctx, unsigned buffers,
 		 * array are clear to different value. To simplify code just
 		 * disable fast clear for texture array.
 		 */
-		/* Only use htile for first level */
-		if (rtex->htile_offset && !level &&
+		if (r600_htile_enabled(rtex, level) &&
                    fb->zsbuf->u.tex.first_layer == 0 &&
                    fb->zsbuf->u.tex.last_layer == util_max_layer(&rtex->resource.b.b, level)) {
 			if (rtex->depth_clear_value != depth) {

src/gallium/drivers/r600/r600_state.c

@@ -1060,8 +1060,7 @@ static void r600_init_depth_surface(struct r600_context *rctx,
 	surf->db_depth_size = S_028000_PITCH_TILE_MAX(pitch) | S_028000_SLICE_TILE_MAX(slice);
 	surf->db_prefetch_limit = (rtex->surface.u.legacy.level[level].nblk_y / 8) - 1;
 
-	/* use htile only for first level */
-	if (rtex->htile_offset && !level) {
+	if (r600_htile_enabled(rtex, level)) {
 		surf->db_htile_data_base = rtex->htile_offset >> 8;
 		surf->db_htile_surface = S_028D24_HTILE_WIDTH(1) |
 					 S_028D24_HTILE_HEIGHT(1) |

src/gallium/drivers/radeon/r600_pipe_common.h

@@ -1006,6 +1006,19 @@ vi_dcc_enabled(struct r600_texture *tex, unsigned level)
 	return tex->dcc_offset && level < tex->surface.num_dcc_levels;
 }
 
+static inline bool
+r600_htile_enabled(struct r600_texture *tex, unsigned level)
+{
+	return tex->htile_offset && level == 0;
+}
+
+static inline bool
+vi_tc_compat_htile_enabled(struct r600_texture *tex, unsigned level)
+{
+	assert(!tex->tc_compatible_htile || tex->htile_offset);
+	return tex->tc_compatible_htile && level == 0;
+}
+
 #define COMPUTE_DBG(rscreen, fmt, args...) \
 	do { \
 		if ((rscreen->b.debug_flags & DBG_COMPUTE)) fprintf(stderr, fmt, ##args); \

src/gallium/drivers/radeonsi/si_blit.c

@@ -381,7 +381,9 @@ si_decompress_depth(struct si_context *sctx,
 	}
 
 	if (inplace_planes) {
-		if (!tex->tc_compatible_htile) {
+		bool tc_compat_htile = vi_tc_compat_htile_enabled(tex, first_level);
+
+		if (!tc_compat_htile) {
 			si_blit_decompress_zs_in_place(
 						sctx, tex,
 						levels_z, levels_s,
@@ -393,10 +395,9 @@ si_decompress_depth(struct si_context *sctx,
 		 */
 		si_make_DB_shader_coherent(sctx, tex->resource.b.b.nr_samples,
 					   inplace_planes & PIPE_MASK_S,
-					   tex->tc_compatible_htile &&
-					   first_level == 0);
+					   tc_compat_htile);
 
-		if (tex->tc_compatible_htile) {
+		if (tc_compat_htile) {
 			/* Only clear the mask that we are flushing, because
 			 * si_make_DB_shader_coherent() can treat depth and
 			 * stencil differently.
@@ -859,8 +860,8 @@ static void si_clear(struct pipe_context *ctx, unsigned buffers,
 		}
 	}
 
-	if (zstex && zstex->htile_offset &&
-	    zsbuf->u.tex.level == 0 &&
+	if (zstex &&
+	    r600_htile_enabled(zstex, zsbuf->u.tex.level) &&
 	    zsbuf->u.tex.first_layer == 0 &&
 	    zsbuf->u.tex.last_layer == util_max_layer(&zstex->resource.b.b, 0)) {
 		/* TC-compatible HTILE only supports depth clears to 0 or 1. */

src/gallium/drivers/radeonsi/si_descriptors.c

@@ -330,7 +330,7 @@ void si_set_mutable_tex_desc_fields(struct si_screen *sscreen,
 			}
 
 			meta_va |= (uint32_t)tex->surface.tile_swizzle << 8;
-		} else if (tex->tc_compatible_htile && first_level == 0) {
+		} else if (vi_tc_compat_htile_enabled(tex, first_level)) {
 			meta_va = tex->resource.gpu_address + tex->htile_offset;
 		}
 

src/gallium/drivers/radeonsi/si_state.c

@@ -2327,8 +2327,7 @@ static void si_init_depth_surface(struct si_context *sctx,
 		surf->db_depth_size = S_02801C_X_MAX(rtex->resource.b.b.width0 - 1) |
 				      S_02801C_Y_MAX(rtex->resource.b.b.height0 - 1);
 
-		/* Only use HTILE for the first level. */
-		if (rtex->htile_offset && !level) {
+		if (r600_htile_enabled(rtex, level)) {
 			z_info |= S_028038_TILE_SURFACE_ENABLE(1) |
 				  S_028038_ALLOW_EXPCLEAR(1);
 
@@ -2406,8 +2405,7 @@ static void si_init_depth_surface(struct si_context *sctx,
 		surf->db_depth_slice = S_02805C_SLICE_TILE_MAX((levelinfo->nblk_x *
 								levelinfo->nblk_y) / 64 - 1);
 
-		/* Only use HTILE for the first level. */
-		if (rtex->htile_offset && !level) {
+		if (r600_htile_enabled(rtex, level)) {
 			z_info |= S_028040_TILE_SURFACE_ENABLE(1) |
 				  S_028040_ALLOW_EXPCLEAR(1);
 
@@ -2668,7 +2666,7 @@ static void si_set_framebuffer_state(struct pipe_context *ctx,
 			si_init_depth_surface(sctx, surf);
 		}
 
-		if (rtex->tc_compatible_htile && !surf->base.u.tex.level)
+		if (vi_tc_compat_htile_enabled(rtex, surf->base.u.tex.level))
 			sctx->framebuffer.DB_has_shader_readable_metadata = true;
 
 		r600_context_add_resource_size(ctx, surf->base.texture);