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crocus: hook up memory object creation from handle

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Port cdb5a72764 from iris

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11352>
This commit is contained in:
Dave Airlie
2021-06-14 12:27:49 +10:00
committed by Marge Bot
parent 9be4eb1688
commit 8bf662df52
4 changed files with 126 additions and 0 deletions
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63
src/gallium/drivers/crocus/crocus_resource.c
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@@ -43,6 +43,7 @@
#include "util/u_transfer_helper.h"
#include "util/u_upload_mgr.h"
#include "util/ralloc.h"
#include "util/u_memory.h"
#include "crocus_batch.h"
#include "crocus_context.h"
#include "crocus_resource.h"
@@ -1889,6 +1890,66 @@ crocus_get_dmabuf_modifier_planes(struct pipe_screen *pscreen, uint64_t modifier
return util_format_get_num_planes(format);
}
static struct pipe_memory_object *
crocus_memobj_create_from_handle(struct pipe_screen *pscreen,
struct winsys_handle *whandle,
bool dedicated)
{
struct crocus_screen *screen = (struct crocus_screen *)pscreen;
struct crocus_memory_object *memobj = CALLOC_STRUCT(crocus_memory_object);
struct crocus_bo *bo;
const struct isl_drm_modifier_info *mod_inf;
if (!memobj)
return NULL;
switch (whandle->type) {
case WINSYS_HANDLE_TYPE_SHARED:
bo = crocus_bo_gem_create_from_name(screen->bufmgr, "winsys image",
whandle->handle);
break;
case WINSYS_HANDLE_TYPE_FD:
mod_inf = isl_drm_modifier_get_info(whandle->modifier);
if (mod_inf) {
bo = crocus_bo_import_dmabuf(screen->bufmgr, whandle->handle,
whandle->modifier);
} else {
/* If we can't get information about the tiling from the
* kernel we ignore it. We are going to set it when we
* create the resource.
*/
bo = crocus_bo_import_dmabuf_no_mods(screen->bufmgr,
whandle->handle);
}
break;
default:
unreachable("invalid winsys handle type");
}
if (!bo) {
free(memobj);
return NULL;
}
memobj->b.dedicated = dedicated;
memobj->bo = bo;
crocus_bo_reference(memobj->bo);
return &memobj->b;
}
static void
crocus_memobj_destroy(struct pipe_screen *pscreen,
struct pipe_memory_object *pmemobj)
{
struct crocus_memory_object *memobj = (struct crocus_memory_object *)pmemobj;
crocus_bo_unreference(memobj->bo);
free(memobj);
}
void
crocus_init_screen_resource_functions(struct pipe_screen *pscreen)
{
@@ -1904,6 +1965,8 @@ crocus_init_screen_resource_functions(struct pipe_screen *pscreen)
pscreen->resource_get_handle = crocus_resource_get_handle;
pscreen->resource_get_param = crocus_resource_get_param;
pscreen->resource_destroy = u_transfer_helper_resource_destroy;
pscreen->memobj_create_from_handle = crocus_memobj_create_from_handle;
pscreen->memobj_destroy = crocus_memobj_destroy;
pscreen->transfer_helper =
u_transfer_helper_create(&transfer_vtbl, screen->devinfo.ver >= 6,
screen->devinfo.ver >= 6, false, true);