On Sun, Jan 21, 2018 at 8:05 PM, Jason Ekstrand <[email protected]> wrote:
> We need this to ensure that GTT maps work on buffers we get from Vulkan
> on the off chance that someone does a readpixels or something. Soon, we
> will be removing GTT maps from i965 entirely and this can be reverted.
> None the less, it's needed for stable.
>
> Cc: [email protected]
> Cc: Kenneth Graunke <[email protected]>
> ---
> 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 b563bbf..e877f93 100644
> --- a/src/mesa/drivers/dri/i965/intel_screen.c
> +++ b/src/mesa/drivers/dri/i965/intel_screen.c
> @@ -1043,7 +1043,16 @@ intel_create_image_from_fds_common(__DRIscreen
> *dri_screen,
>
> image->planar_format = f;
>
> - image->bo = brw_bo_gem_create_from_prime(screen->bufmgr, fds[0]);
> + if (modifier != DRM_FORMAT_MOD_INVALID) {
> + const struct isl_drm_modifier_info *mod_info =
> + isl_drm_modifier_get_info(modifier);
You need to handle mod_info == NULL for unknown modifiers.
Kristian
> + uint32_t tiling = isl_tiling_to_i915_tiling(mod_info->tiling);
> + image->bo = brw_bo_gem_create_from_prime_tiled(screen->bufmgr, fds[0],
> + tiling, strides[0]);
> + } else {
> + image->bo = brw_bo_gem_create_from_prime(screen->bufmgr, fds[0]);
> + }
> +
> if (image->bo == NULL) {
> free(image);
> return NULL;
> --
> 2.5.0.400.gff86faf
>
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