Remember to add the offset to the start of the buffer in the relocation
or else we write 0xff into random bytes elsewhere.
---
src/mesa/drivers/dri/i965/intel_blit.c | 4 ++--
src/mesa/drivers/dri/i965/intel_pixel_bitmap.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/intel_blit.c
b/src/mesa/drivers/dri/i965/intel_blit.c
index eca8736804..85170640d2 100644
--- a/src/mesa/drivers/dri/i965/intel_blit.c
+++ b/src/mesa/drivers/dri/i965/intel_blit.c
@@ -831,11 +831,11 @@ intel_miptree_set_alpha_to_one(struct brw_context *brw,
if (brw->gen >= 8) {
OUT_RELOC64(mt->bo,
I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- offset);
+ mt->offset + offset);
} else {
OUT_RELOC(mt->bo,
I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- offset);
+ mt->offset + offset);
}
OUT_BATCH(0xffffffff); /* white, but only alpha gets written */
ADVANCE_BATCH_TILED(dst_y_tiled, false);
diff --git a/src/mesa/drivers/dri/i965/intel_pixel_bitmap.c
b/src/mesa/drivers/dri/i965/intel_pixel_bitmap.c
index aeea3c8bd6..8d467adc56 100644
--- a/src/mesa/drivers/dri/i965/intel_pixel_bitmap.c
+++ b/src/mesa/drivers/dri/i965/intel_pixel_bitmap.c
@@ -294,7 +294,7 @@ do_blit_bitmap( struct gl_context *ctx,
color,
irb->mt->surf.row_pitch,
irb->mt->bo,
- 0,
+ irb->mt->offset,
irb->mt->surf.tiling,
dstx + px,
dsty + py,
--
2.13.3
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