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screen-cast-stream: Announce support for implicit modifiers

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With the ability to query the renderer for DMA-BUF support we can
announce support for implicit modifiers. This allows PipeWire to check
for matching modifiers while negotiation.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1939>
This commit is contained in:
columbarius 2021-11-13 16:34:37 +01:00 committed by Marge Bot
parent 72aae9d6ac
commit 42047d18b6
1 changed files with 103 additions and 25 deletions
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86
src/backends/meta-screen-cast-stream-src.c
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@ -953,6 +953,17 @@ create_pipewire_stream (MetaScreenCastStreamSrc *src,
{
MetaScreenCastStreamSrcPrivate *priv =
meta_screen_cast_stream_src_get_instance_private (src);
#ifdef HAVE_NATIVE_BACKEND
MetaScreenCastStream *stream = meta_screen_cast_stream_src_get_stream (src);
MetaScreenCastSession *session = meta_screen_cast_stream_get_session (stream);
MetaScreenCast *screen_cast =
meta_screen_cast_session_get_screen_cast (session);
MetaBackend *backend = meta_screen_cast_get_backend (screen_cast);
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
CoglContext *cogl_context =
clutter_backend_get_cogl_context (clutter_backend);
CoglRenderer *cogl_renderer = cogl_context_get_renderer (cogl_context);
#endif /* HAVE_NATIVE_BACKEND */
struct pw_stream *pipewire_stream;
uint8_t buffer[1024];
struct spa_pod_builder pod_builder =
@ -960,7 +971,8 @@ create_pipewire_stream (MetaScreenCastStreamSrc *src,
int width;
int height;
float frame_rate;
const struct spa_pod *params[1];
const struct spa_pod *params[2];
int n_params = 0;
int result;
priv->node_id = SPA_ID_INVALID;
@ -988,7 +1000,23 @@ create_pipewire_stream (MetaScreenCastStreamSrc *src,
max_framerate = SPA_FRACTION (frame_rate_fraction.num,
frame_rate_fraction.denom);
params[0] = push_format_object (
#ifdef HAVE_NATIVE_BACKEND
if (cogl_renderer_is_dma_buf_supported (cogl_renderer))
{
uint64_t modifier = DRM_FORMAT_MOD_INVALID;
params[n_params++] = push_format_object (
&pod_builder,
SPA_VIDEO_FORMAT_BGRx, &modifier, 1,
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle (&SPA_RECTANGLE (width,
height)),
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction (&SPA_FRACTION (0, 1)),
SPA_FORMAT_VIDEO_maxFramerate,
SPA_POD_CHOICE_RANGE_Fraction (&max_framerate,
&min_framerate,
&max_framerate),
0);
params[n_params++] = push_format_object (
&pod_builder,
SPA_VIDEO_FORMAT_BGRx, NULL, 0,
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle (&SPA_RECTANGLE (width,
@ -1001,8 +1029,41 @@ create_pipewire_stream (MetaScreenCastStreamSrc *src,
0);
}
else
#endif /* HAVE_NATIVE_BACKEND */
{
params[0] = push_format_object (
params[n_params++] = push_format_object (
&pod_builder,
SPA_VIDEO_FORMAT_BGRx, NULL, 0,
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle (&SPA_RECTANGLE (width,
height)),
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction (&SPA_FRACTION (0, 1)),
SPA_FORMAT_VIDEO_maxFramerate,
SPA_POD_CHOICE_RANGE_Fraction (&max_framerate,
&min_framerate,
&max_framerate),
0);
}
}
else
{
#ifdef HAVE_NATIVE_BACKEND
if (cogl_renderer_is_dma_buf_supported (cogl_renderer))
{
uint64_t modifier = DRM_FORMAT_MOD_INVALID;
params[n_params++] = push_format_object (
&pod_builder,
SPA_VIDEO_FORMAT_BGRx, &modifier, 1,
SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle (&DEFAULT_SIZE,
&MIN_SIZE,
&MAX_SIZE),
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction (&SPA_FRACTION (0, 1)),
SPA_FORMAT_VIDEO_maxFramerate,
SPA_POD_CHOICE_RANGE_Fraction (&DEFAULT_FRAME_RATE,
&MIN_FRAME_RATE,
&MAX_FRAME_RATE),
0);
params[n_params++] = push_format_object (
&pod_builder,
SPA_VIDEO_FORMAT_BGRx, NULL, 0,
SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle (&DEFAULT_SIZE,
@ -1015,6 +1076,23 @@ create_pipewire_stream (MetaScreenCastStreamSrc *src,
&MAX_FRAME_RATE),
0);
}
else
#endif /* HAVE_NATIVE_BACKEND */
{
params[n_params++] = push_format_object (
&pod_builder,
SPA_VIDEO_FORMAT_BGRx, NULL, 0,
SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle (&DEFAULT_SIZE,
&MIN_SIZE,
&MAX_SIZE),
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction (&SPA_FRACTION (0, 1)),
SPA_FORMAT_VIDEO_maxFramerate,
SPA_POD_CHOICE_RANGE_Fraction (&DEFAULT_FRAME_RATE,
&MIN_FRAME_RATE,
&MAX_FRAME_RATE),
0);
}
}
pw_stream_add_listener (pipewire_stream,
&priv->pipewire_stream_listener,
@ -1026,7 +1104,7 @@ create_pipewire_stream (MetaScreenCastStreamSrc *src,
SPA_ID_INVALID,
(PW_STREAM_FLAG_DRIVER |
PW_STREAM_FLAG_ALLOC_BUFFERS),
params, G_N_ELEMENTS (params));
params, n_params);
if (result != 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,