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iris: Update conditions when flushing resource (xe2)

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Update the conditions of reallocation for Xe2 modifiers and also
ensure the realloation to happen on all bos.

Signed-off-by: Jianxun Zhang <jianxun.zhang@intel.com>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34567>
This commit is contained in:
Jianxun Zhang 2025-04-17 10:31:12 -07:00 • committed by Marge Bot
parent 1149f1c5a1
commit f88e153635
1 changed files with 7 additions and 9 deletions
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16
src/gallium/drivers/iris/iris_resource.c
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@ -1676,20 +1676,18 @@ iris_flush_resource(struct pipe_context *ctx, struct pipe_resource *resource)
struct iris_resource *res = (void *) resource;
const struct isl_drm_modifier_info *mod = res->mod_info;
bool newly_external = false;
/* We need to reallocate because original texture is compressed and we
* might end up doing a resolve.
*/
bool need_reallocate =
res->aux.usage == ISL_AUX_USAGE_CCS_E &&
iris_bo_is_real(res->bo) && iris_heap_is_compressed(res->bo->real.heap);
/* flush_resource() may be used to prepare an image for sharing externally
* with other clients (e.g. via eglCreateImage). To account for this, we
* make sure to eliminate suballocation and any compression that a consumer
* wouldn't know how to handle.
*
* On Xe2+ platforms, when an image wasn't created with a modifier that
* supports compression, we need to resolve by copying the image to an
* uncompressed bo.
*/
if (!iris_bo_is_real(res->bo) || need_reallocate) {
bool need_pat_resolve = iris_heap_is_compressed(res->bo->real.heap) &&
!(res->base.b.bind & PIPE_BIND_SHARED);
if (!iris_bo_is_real(res->bo) || need_pat_resolve) {
assert(!(res->base.b.bind & PIPE_BIND_SHARED));
iris_reallocate_resource_inplace(ice, res, PIPE_BIND_SHARED);
assert(res->base.b.bind & PIPE_BIND_SHARED);