--- src/mesa/drivers/dri/i965/intel_screen.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/intel_screen.c b/src/mesa/drivers/dri/i965/intel_screen.c index 6d0588e..b292300 100644 --- a/src/mesa/drivers/dri/i965/intel_screen.c +++ b/src/mesa/drivers/dri/i965/intel_screen.c @@ -674,9 +674,18 @@ intel_create_image_common(__DRIscreen *dri_screen, return NULL; } + /* We request that the bufmgr zero the buffer for us for two reasons: + * + * 1) If a buffer gets re-used from the pool, we don't want to leak random + * garbage from our process to some other. + * + * 2) For images with CCS_E, we want to ensure that the CCS starts off in + * a valid state. A CCS value of 0 indicates that the given block is + * in the pass-through state which is what we want. + */ image->bo = brw_bo_alloc_tiled(screen->bufmgr, "image", surf.size, isl_tiling_to_i915_tiling(mod_info->tiling), - surf.row_pitch, 0); + surf.row_pitch, BO_ALLOC_ZEROED); if (image->bo == NULL) { free(image); return NULL; -- 2.5.0.400.gff86faf _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev