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monitor-stream-src: Implement blitting view framebuffers

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Add the vfunc override that actually consume the new Cogl API. Every
view that fits into the logical monitor is rendered.

Fixes https://gitlab.gnome.org/GNOME/mutter/issues/639

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1086
This commit is contained in:
Georges Basile Stavracas Neto 2019-12-09 10:11:51 -03:00
parent 548073ec27
commit 680a54aff6
1 changed files with 62 additions and 0 deletions
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62
src/backends/meta-screen-cast-monitor-stream-src.c
View File

@ -381,6 +381,66 @@ meta_screen_cast_monitor_stream_src_record_frame (MetaScreenCastStreamSrc *src,
return TRUE; return TRUE;
} }
static gboolean
meta_screen_cast_monitor_stream_src_blit_to_framebuffer (MetaScreenCastStreamSrc *src,
CoglFramebuffer *framebuffer)
{
MetaScreenCastMonitorStreamSrc *monitor_src =
META_SCREEN_CAST_MONITOR_STREAM_SRC (src);
MetaBackend *backend = get_backend (monitor_src);
MetaRenderer *renderer = meta_backend_get_renderer (backend);
MetaMonitor *monitor;
MetaLogicalMonitor *logical_monitor;
MetaRectangle logical_monitor_layout;
GList *l;
float view_scale;
monitor = get_monitor (monitor_src);
logical_monitor = meta_monitor_get_logical_monitor (monitor);
logical_monitor_layout = meta_logical_monitor_get_layout (logical_monitor);
if (meta_is_stage_views_scaled ())
view_scale = meta_logical_monitor_get_scale (logical_monitor);
else
view_scale = 1.0;
for (l = meta_renderer_get_views (renderer); l; l = l->next)
{
ClutterStageView *view = CLUTTER_STAGE_VIEW (l->data);
g_autoptr (GError) error = NULL;
CoglFramebuffer *view_framebuffer;
MetaRectangle view_layout;
int x, y;
clutter_stage_view_get_layout (view, &view_layout);
if (!meta_rectangle_overlap (&logical_monitor_layout, &view_layout))
continue;
view_framebuffer = clutter_stage_view_get_framebuffer (view);
x = (int) roundf ((view_layout.x - logical_monitor_layout.x) * view_scale);
y = (int) roundf ((view_layout.y - logical_monitor_layout.y) * view_scale);
if (!cogl_blit_framebuffer (view_framebuffer,
framebuffer,
0, 0,
x, y,
cogl_framebuffer_get_width (view_framebuffer),
cogl_framebuffer_get_height (view_framebuffer),
&error))
{
g_warning ("Error blitting view into DMABuf framebuffer: %s",
error->message);
return FALSE;
}
}
cogl_framebuffer_flush (framebuffer);
return TRUE;
}
static void static void
meta_screen_cast_monitor_stream_src_set_cursor_metadata (MetaScreenCastStreamSrc *src, meta_screen_cast_monitor_stream_src_set_cursor_metadata (MetaScreenCastStreamSrc *src,
struct spa_meta_cursor *spa_meta_cursor) struct spa_meta_cursor *spa_meta_cursor)
@ -502,6 +562,8 @@ meta_screen_cast_monitor_stream_src_class_init (MetaScreenCastMonitorStreamSrcCl
src_class->enable = meta_screen_cast_monitor_stream_src_enable; src_class->enable = meta_screen_cast_monitor_stream_src_enable;
src_class->disable = meta_screen_cast_monitor_stream_src_disable; src_class->disable = meta_screen_cast_monitor_stream_src_disable;
src_class->record_frame = meta_screen_cast_monitor_stream_src_record_frame; src_class->record_frame = meta_screen_cast_monitor_stream_src_record_frame;
src_class->blit_to_framebuffer =
meta_screen_cast_monitor_stream_src_blit_to_framebuffer;
src_class->set_cursor_metadata = src_class->set_cursor_metadata =
meta_screen_cast_monitor_stream_src_set_cursor_metadata; meta_screen_cast_monitor_stream_src_set_cursor_metadata;
} }