vc4: Fix multi-level texture setup.

[mesa.git] / src / gallium / drivers / vc4 / vc4_resource.c

diff --git a/src/gallium/drivers/vc4/vc4_resource.c b/src/gallium/drivers/vc4/vc4_resource.c
index 3dad566a0026d566acfecbe3214c3c3ba57621ba..e0c0c7bdd42583aec4796f4594d8ae4d6496839c 100644 (file)
--- a/src/gallium/drivers/vc4/vc4_resource.c
+++ b/src/gallium/drivers/vc4/vc4_resource.c
@@ -147,7 +147,17 @@ vc4_setup_slices(struct vc4_resource *rsc)
                  */
                 offset += slice->size0 * depth;
         }
-        /* XXX: align level 0 offset? */
+
+        /* The texture base pointer that has to point to level 0 doesn't have
+         * intra-page bits, so we have to align it, and thus shift up all the
+         * smaller slices.
+         */
+        uint32_t page_align_offset = (align(rsc->slices[0].offset, 4096) -
+                                      rsc->slices[0].offset);
+        if (page_align_offset) {
+                for (int i = 0; i <= prsc->last_level; i++)
+                        rsc->slices[i].offset += page_align_offset;
+        }
 }
 
 static struct vc4_resource *