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virgl: fake modifier plane count query support

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dri2_create_image_from_fd might pass host modifier. Before virgl
consumes modifier info from the guest side, fake the support so that the
image creation can still proceed instead of bailing.

Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15658>
This commit is contained in:
Yiwei Zhang
2022-03-30 01:10:05 +00:00
committed by Marge Bot
parent 51077e821a
commit e8a63cf61e
1 changed files with 25 additions and 0 deletions
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25
src/gallium/drivers/virgl/virgl_screen.c
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@@ -968,6 +968,29 @@ static void virgl_disk_cache_create(struct virgl_screen *screen)
screen->disk_cache = disk_cache_create("virgl", timestamp, 0);
}
static bool
virgl_is_dmabuf_modifier_supported(UNUSED struct pipe_screen *pscreen,
UNUSED uint64_t modifier,
UNUSED enum pipe_format format,
UNUSED bool *external_only)
{
/* Always advertise support until virgl starts checking against host
* virglrenderer or consuming valid non-linear modifiers here.
*/
return true;
}
static unsigned int
virgl_get_dmabuf_modifier_planes(UNUSED struct pipe_screen *pscreen,
UNUSED uint64_t modifier,
enum pipe_format format)
{
/* Return the format plane count queried from pipe_format. For virgl,
* additional aux planes are entirely resolved on the host side.
*/
return util_format_get_num_planes(format);
}
static void
fixup_renderer(union virgl_caps *caps)
{
@@ -1036,6 +1059,8 @@ virgl_create_screen(struct virgl_winsys *vws, const struct pipe_screen_config *c
screen->base.fence_get_fd = virgl_fence_get_fd;
screen->base.query_memory_info = virgl_query_memory_info;
screen->base.get_disk_shader_cache = virgl_get_disk_shader_cache;
screen->base.is_dmabuf_modifier_supported = virgl_is_dmabuf_modifier_supported;
screen->base.get_dmabuf_modifier_planes = virgl_get_dmabuf_modifier_planes;
virgl_init_screen_resource_functions(&screen->base);