gallium/radeon: add and use a new helper vi_dcc_enabled

Reviewed-by: Nicolai Hähnle <[email protected]>
Tested-by: Edmondo Tommasina <[email protected]>
Reviewed-by: Samuel Pitoiset <[email protected]>

3 files changed, 5 insertions, 8 deletions

diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
index cdc9cafa280..a94804d6c25 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -427,8 +427,7 @@ static void si_blit_decompress_color(struct pipe_context *ctx,
 
 		/* disable levels without DCC */
 		for (int i = first_level; i <= last_level; i++) {
-			if (!rtex->dcc_offset ||
-			    i >= rtex->surface.num_dcc_levels)
+			if (!vi_dcc_enabled(rtex, i))
 				level_mask &= ~(1 << i);
 		}
 	} else if (rtex->fmask.size) {
@@ -1039,8 +1038,7 @@ static bool do_hardware_msaa_resolve(struct pipe_context *ctx,
 		 * it's being overwritten anyway, clear it to uncompressed.
 		 * This is still the fastest codepath even with this clear.
 		 */
-		if (dst->dcc_offset &&
-		    info->dst.level < dst->surface.num_dcc_levels) {
+		if (vi_dcc_enabled(dst, info->dst.level)) {
 			/* TODO: Implement per-level DCC clears for GFX9. */
 			if (sctx->b.chip_class >= GFX9 &&
 			    info->dst.resource->last_level != 0)
diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c
index 5450dbe0dd8..f28202f20a8 100644
--- a/src/gallium/drivers/radeonsi/si_descriptors.c
+++ b/src/gallium/drivers/radeonsi/si_descriptors.c
@@ -404,7 +404,7 @@ void si_set_mutable_tex_desc_fields(struct si_screen *sscreen,
 		va += base_level_info->offset;
 	}
 
-	if (tex->dcc_offset && first_level < tex->surface.num_dcc_levels) {
+	if (vi_dcc_enabled(tex, first_level)) {
 		meta_va = (!tex->dcc_separate_buffer ? tex->resource.gpu_address : 0) +
 			  tex->dcc_offset;
 
@@ -750,8 +750,7 @@ static void si_set_shader_image(struct si_context *ctx,
 		struct r600_texture *tex = (struct r600_texture *)res;
 		unsigned level = view->u.tex.level;
 		unsigned width, height, depth;
-		bool uses_dcc = tex->dcc_offset &&
-				level < tex->surface.num_dcc_levels;
+		bool uses_dcc = vi_dcc_enabled(tex, level);
 
 		assert(!tex->is_depth);
 		assert(tex->fmask.size == 0);
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index d2a1f4bf85c..14138fbd982 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -2638,7 +2638,7 @@ static void si_emit_framebuffer_state(struct si_context *sctx, struct r600_atom
 			cb_color_fmask = (tex->resource.gpu_address + tex->fmask.offset) >> 8;
 
 		/* Set up DCC. */
-		if (tex->dcc_offset && cb->base.u.tex.level < tex->surface.num_dcc_levels) {
+		if (vi_dcc_enabled(tex, cb->base.u.tex.level)) {
 			bool is_msaa_resolve_dst = state->cbufs[0] &&
 						   state->cbufs[0]->texture->nr_samples > 1 &&
 						   state->cbufs[1] == &cb->base &&