freedreno: Drop the extra offset field for mipmap slices.

We can just bake the UBWC-goes-first delta into the slices at setup time.
I did have to fix up the resource shadowing swap path to swap the slice
fields, as it was missing and regressed the format reinterpets otherwise.

Reviewed-by: Kristian H. Kristensen <[email protected]>

2 files changed, 7 insertions, 2 deletions

diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_resource.c b/src/gallium/drivers/freedreno/a6xx/fd6_resource.c
index 4acb80f1508..8b5e79c4ae8 100644
--- a/src/gallium/drivers/freedreno/a6xx/fd6_resource.c
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_resource.c
@@ -262,8 +262,12 @@ fd6_fill_ubwc_buffer_sizes(struct fd_resource *rsc)
 	 * because it is what the kernel expects for scanout.  For non-2D we
 	 * could just use a separate UBWC buffer..
 	 */
+	for (int level = 0; level <= prsc->last_level; level++) {
+		struct fdl_slice *slice = fd_resource_slice(rsc, level);
+		slice->offset += meta_size;
+	}
+
 	rsc->layout.ubwc_offset = 0;
-	rsc->layout.offset = meta_size;
 	rsc->layout.ubwc_pitch = meta_stride;
 	rsc->layout.ubwc_size = meta_size >> 2;   /* in dwords??? */
 	rsc->layout.tile_mode = TILE6_3;
diff --git a/src/gallium/drivers/freedreno/freedreno_resource.c b/src/gallium/drivers/freedreno/freedreno_resource.c
index c17bd365f1a..3e74e0c5a00 100644
--- a/src/gallium/drivers/freedreno/freedreno_resource.c
+++ b/src/gallium/drivers/freedreno/freedreno_resource.c
@@ -223,7 +223,8 @@ fd_try_shadow_resource(struct fd_context *ctx, struct fd_resource *rsc,
 	/* TODO valid_buffer_range?? */
 	swap(rsc->bo,        shadow->bo);
 	swap(rsc->write_batch,   shadow->write_batch);
-	swap(rsc->layout.offset, shadow->layout.offset);
+	for (int level = 0; level <= prsc->last_level; level++)
+		swap(rsc->layout.slices[level], shadow->layout.slices[level]);
 	swap(rsc->layout.ubwc_offset, shadow->layout.ubwc_offset);
 	swap(rsc->layout.ubwc_pitch, shadow->layout.ubwc_pitch);
 	swap(rsc->layout.ubwc_size, shadow->layout.ubwc_size);