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wayland/dma-buf: Prepare format/modifier map up front
As the format table is setup up front, it doesn't change when this experimental feature setting change. Make the settings documentation reflect that. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1959>
This commit is contained in:
Jonas Ådahl
Marge Bot
parent
51308a9d78
commit
1978e93f28
@ -134,7 +134,7 @@
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• “kms-modifiers” — makes mutter always advertise valid
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buffer modifiers on Wayland. This is
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currently not the case when using the
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i915 driver. Does not require a restart.
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i915 driver. Requires a restart.
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• “rt-scheduler” — makes mutter request a low priority
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real-time scheduling. Requires a restart.
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@ -66,9 +66,17 @@
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#define META_WAYLAND_DMA_BUF_MAX_FDS 4
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typedef struct _MetaWaylandDmaBufFormat
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{
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uint32_t drm_format;
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uint64_t drm_modifier;
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} MetaWaylandDmaBufFormat;
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struct _MetaWaylandDmaBufManager
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{
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MetaWaylandCompositor *compositor;
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GArray *formats;
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};
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struct _MetaWaylandDmaBufBuffer
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@ -650,70 +658,19 @@ should_send_modifiers (MetaBackend *backend)
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}
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static void
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send_modifiers (struct wl_resource *resource,
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uint32_t format)
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send_modifiers (struct wl_resource *resource,
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MetaWaylandDmaBufFormat *format)
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{
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MetaBackend *backend = meta_get_backend ();
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MetaEgl *egl = meta_backend_get_egl (backend);
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ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
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CoglContext *cogl_context = clutter_backend_get_cogl_context (clutter_backend);
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EGLDisplay egl_display = cogl_egl_context_get_egl_display (cogl_context);
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EGLint num_modifiers;
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EGLuint64KHR *modifiers;
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GError *error = NULL;
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gboolean ret;
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int i;
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zwp_linux_dmabuf_v1_send_format (resource, format->drm_format);
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zwp_linux_dmabuf_v1_send_format (resource, format);
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/* The modifier event was only added in v3; v1 and v2 only have the format
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* event. */
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if (wl_resource_get_version (resource) < ZWP_LINUX_DMABUF_V1_MODIFIER_SINCE_VERSION)
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if (wl_resource_get_version (resource) <
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ZWP_LINUX_DMABUF_V1_MODIFIER_SINCE_VERSION)
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return;
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if (!should_send_modifiers (backend))
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{
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zwp_linux_dmabuf_v1_send_modifier (resource, format,
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DRM_FORMAT_MOD_INVALID >> 32,
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DRM_FORMAT_MOD_INVALID & 0xffffffff);
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return;
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}
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/* First query the number of available modifiers, then allocate an array,
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* then fill the array. */
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ret = meta_egl_query_dma_buf_modifiers (egl, egl_display, format, 0, NULL,
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NULL, &num_modifiers, NULL);
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if (!ret)
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return;
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if (num_modifiers == 0)
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{
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zwp_linux_dmabuf_v1_send_modifier (resource, format,
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DRM_FORMAT_MOD_INVALID >> 32,
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DRM_FORMAT_MOD_INVALID & 0xffffffff);
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return;
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}
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modifiers = g_new0 (uint64_t, num_modifiers);
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ret = meta_egl_query_dma_buf_modifiers (egl, egl_display, format,
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num_modifiers, modifiers, NULL,
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&num_modifiers, &error);
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if (!ret)
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{
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g_warning ("Failed to query modifiers for format 0x%" PRIu32 ": %s",
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format, error ? error->message : "unknown error");
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g_free (modifiers);
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return;
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}
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for (i = 0; i < num_modifiers; i++)
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{
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zwp_linux_dmabuf_v1_send_modifier (resource, format,
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modifiers[i] >> 32,
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modifiers[i] & 0xffffffff);
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}
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g_free (modifiers);
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zwp_linux_dmabuf_v1_send_modifier (resource,
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format->drm_format,
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format->drm_modifier >> 32,
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format->drm_modifier & 0xffffffff);
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}
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static void
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@ -724,24 +681,100 @@ dma_buf_bind (struct wl_client *client,
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{
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MetaWaylandDmaBufManager *dma_buf_manager = user_data;
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struct wl_resource *resource;
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unsigned int i;
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resource = wl_resource_create (client, &zwp_linux_dmabuf_v1_interface,
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version, id);
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wl_resource_set_implementation (resource, &dma_buf_implementation,
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dma_buf_manager, NULL);
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send_modifiers (resource, DRM_FORMAT_ARGB8888);
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send_modifiers (resource, DRM_FORMAT_ABGR8888);
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send_modifiers (resource, DRM_FORMAT_XRGB8888);
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send_modifiers (resource, DRM_FORMAT_XBGR8888);
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send_modifiers (resource, DRM_FORMAT_ARGB2101010);
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send_modifiers (resource, DRM_FORMAT_ABGR2101010);
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send_modifiers (resource, DRM_FORMAT_XRGB2101010);
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send_modifiers (resource, DRM_FORMAT_ABGR2101010);
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send_modifiers (resource, DRM_FORMAT_RGB565);
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send_modifiers (resource, DRM_FORMAT_ABGR16161616F);
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send_modifiers (resource, DRM_FORMAT_XBGR16161616F);
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send_modifiers (resource, DRM_FORMAT_XRGB16161616F);
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send_modifiers (resource, DRM_FORMAT_ARGB16161616F);
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for (i = 0; i < dma_buf_manager->formats->len; i++)
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{
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MetaWaylandDmaBufFormat *format =
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&g_array_index (dma_buf_manager->formats,
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MetaWaylandDmaBufFormat,
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i);
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send_modifiers (resource, format);
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}
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}
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static void
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add_format (MetaWaylandDmaBufManager *dma_buf_manager,
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EGLDisplay egl_display,
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uint32_t drm_format)
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{
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MetaContext *context = dma_buf_manager->compositor->context;
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MetaBackend *backend = meta_context_get_backend (context);
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MetaEgl *egl = meta_backend_get_egl (backend);
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EGLint num_modifiers;
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g_autofree EGLuint64KHR *modifiers = NULL;
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g_autoptr (GError) error = NULL;
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int i;
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MetaWaylandDmaBufFormat format;
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if (!should_send_modifiers (backend))
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goto add_fallback;
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/* First query the number of available modifiers, then allocate an array,
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* then fill the array. */
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if (!meta_egl_query_dma_buf_modifiers (egl, egl_display, drm_format, 0, NULL,
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NULL, &num_modifiers, NULL))
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goto add_fallback;
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if (num_modifiers == 0)
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goto add_fallback;
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modifiers = g_new0 (uint64_t, num_modifiers);
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if (!meta_egl_query_dma_buf_modifiers (egl, egl_display, drm_format,
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num_modifiers, modifiers, NULL,
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&num_modifiers, &error))
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{
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g_warning ("Failed to query modifiers for format 0x%" PRIu32 ": %s",
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drm_format, error ? error->message : "unknown error");
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goto add_fallback;
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}
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for (i = 0; i < num_modifiers; i++)
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{
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format = (MetaWaylandDmaBufFormat) {
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.drm_format = drm_format,
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.drm_modifier = modifiers[i],
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};
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g_array_append_val (dma_buf_manager->formats, format);
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}
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return;
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add_fallback:
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format = (MetaWaylandDmaBufFormat) {
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.drm_format = drm_format,
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.drm_modifier = DRM_FORMAT_MOD_INVALID,
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};
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g_array_append_val (dma_buf_manager->formats, format);
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}
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static void
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init_formats (MetaWaylandDmaBufManager *dma_buf_manager,
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EGLDisplay egl_display)
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{
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dma_buf_manager->formats = g_array_new (FALSE, FALSE,
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sizeof (MetaWaylandDmaBufFormat));
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_ARGB8888);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_ABGR8888);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_XRGB8888);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_XBGR8888);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_ARGB2101010);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_ABGR2101010);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_XRGB2101010);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_XBGR2101010);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_RGB565);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_ABGR16161616F);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_XBGR16161616F);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_XRGB16161616F);
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add_format (dma_buf_manager, egl_display, DRM_FORMAT_ARGB16161616F);
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}
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/**
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@ -790,12 +823,15 @@ meta_wayland_dma_buf_manager_new (MetaWaylandCompositor *compositor,
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dma_buf_manager->compositor = compositor;
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init_formats (dma_buf_manager, egl_display);
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return g_steal_pointer (&dma_buf_manager);
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}
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void
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meta_wayland_dma_buf_manager_free (MetaWaylandDmaBufManager *dma_buf_manager)
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{
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g_clear_pointer (&dma_buf_manager->formats, g_array_unref);
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g_free (dma_buf_manager);
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}
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