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zink: add a LINEAR drm modifier if rebinding to add dmabuf export 

this needs to have some kind of modifier, so be conservative here

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16252>
This commit is contained in:
Mike Blumenkrantz 2022-04-29 11:01:49 -04:00 committed by Marge Bot
parent 565bf8e45b
commit 4a19ebfafc
1 changed files with 5 additions and 0 deletions
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5
src/gallium/drivers/zink/zink_resource.c
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@ -1027,6 +1027,11 @@ add_resource_bind(struct zink_context *ctx, struct zink_resource *res, unsigned
zink_resource_image_barrier(ctx, res, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, 0, 0);
res->base.b.bind |= bind;
struct zink_resource_object *old_obj = res->obj;
if (bind & ZINK_BIND_DMABUF && !res->modifiers_count) {
res->modifiers_count = 1;
res->modifiers = malloc(res->modifiers_count * sizeof(uint64_t));
res->modifiers[0] = DRM_FORMAT_MOD_LINEAR;
}
struct zink_resource_object *new_obj = resource_object_create(screen, &res->base.b, NULL, &res->optimal_tiling, res->modifiers, res->modifiers_count, NULL);
if (!new_obj) {
debug_printf("new backing resource alloc failed!");