Signed-off-by: Topi Pohjolainen <topi.pohjolai...@intel.com>
---
src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 879036ce77..a0b129adb4 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -1435,9 +1435,22 @@ intel_miptree_get_image_offset(const struct
intel_mipmap_tree *mt,
GLuint level, GLuint slice,
GLuint *x, GLuint *y)
{
+ if (level == 0 && slice == 0) {
+ *x = mt->level[0].level_x;
+ *y = mt->level[0].level_y;
+ return;
+ }
+
if (mt->surf.size > 0) {
uint32_t x_offset_sa, y_offset_sa;
+ /* Miptree itself can have an offset only if it represents a single
+ * slice in an imported buffer object.
+ * See intel_miptree_create_for_dri_image().
+ */
+ assert(mt->level[0].level_x == 0);
+ assert(mt->level[0].level_y == 0);
+
/* Given level is relative to level zero while the miptree may be
* represent just a subset of all levels starting from 'first_level'.
*/
--
2.11.0
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