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window-stream-src: Implement cursor blitting

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A regression compared to the old code, we're not drawing the cursor
when on EMBEDDED mode.

Blit the cursor to the screencast framebuffer when on EMBEDDED mode.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1129
This commit is contained in:
Georges Basile Stavracas Neto 2020-03-17 18:22:29 -03:00
parent 37742c5cde
commit ea34915df3
1 changed files with 77 additions and 4 deletions
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79
src/backends/meta-screen-cast-window-stream-src.c
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@ -178,6 +178,65 @@ maybe_draw_cursor_sprite (MetaScreenCastWindowStreamSrc *window_src,
cairo_surface_destroy (cursor_surface);
}
static void
maybe_blit_cursor_sprite (MetaScreenCastWindowStreamSrc *window_src,
CoglFramebuffer *framebuffer,
MetaRectangle *stream_rect)
{
MetaBackend *backend = get_backend (window_src);
CoglContext *cogl_context =
clutter_backend_get_cogl_context (clutter_get_default_backend ());
MetaCursorRenderer *cursor_renderer =
meta_backend_get_cursor_renderer (backend);
MetaScreenCastWindow *screen_cast_window;
MetaCursorSprite *cursor_sprite;
graphene_point_t relative_cursor_position;
graphene_point_t cursor_position;
CoglTexture *cursor_texture;
CoglPipeline *pipeline;
int width, height;
float scale;
int hotspot_x, hotspot_y;
float x, y;
cursor_sprite = meta_cursor_renderer_get_cursor (cursor_renderer);
if (!cursor_sprite)
return;
cursor_texture = meta_cursor_sprite_get_cogl_texture (cursor_sprite);
if (!cursor_texture)
return;
screen_cast_window = window_src->screen_cast_window;
cursor_position = meta_cursor_renderer_get_position (cursor_renderer);
if (!meta_screen_cast_window_transform_cursor_position (screen_cast_window,
cursor_sprite,
&cursor_position,
&scale,
&relative_cursor_position))
return;
meta_cursor_sprite_get_hotspot (cursor_sprite, &hotspot_x, &hotspot_y);
x = (relative_cursor_position.x - hotspot_x) * scale;
y = (relative_cursor_position.y - hotspot_y) * scale;
width = cogl_texture_get_width (cursor_texture);
height = cogl_texture_get_height (cursor_texture);
pipeline = cogl_pipeline_new (cogl_context);
cogl_pipeline_set_layer_texture (pipeline, 0, cursor_texture);
cogl_pipeline_set_layer_filters (pipeline, 0,
COGL_PIPELINE_FILTER_LINEAR,
COGL_PIPELINE_FILTER_LINEAR);
cogl_framebuffer_draw_rectangle (framebuffer,
pipeline,
x, y,
x + width, y + height);
cogl_object_unref (pipeline);
}
static gboolean
capture_into (MetaScreenCastWindowStreamSrc *window_src,
uint8_t *data)
@ -409,6 +468,7 @@ meta_screen_cast_window_stream_src_blit_to_framebuffer (MetaScreenCastStreamSrc
{
MetaScreenCastWindowStreamSrc *window_src =
META_SCREEN_CAST_WINDOW_STREAM_SRC (src);
MetaScreenCastStream *stream;
MetaRectangle stream_rect;
stream_rect.x = 0;
@ -416,10 +476,23 @@ meta_screen_cast_window_stream_src_blit_to_framebuffer (MetaScreenCastStreamSrc
stream_rect.width = get_stream_width (window_src);
stream_rect.height = get_stream_height (window_src);
return
meta_screen_cast_window_blit_to_framebuffer (window_src->screen_cast_window,
if (!meta_screen_cast_window_blit_to_framebuffer (window_src->screen_cast_window,
&stream_rect,
framebuffer);
framebuffer))
return FALSE;
stream = meta_screen_cast_stream_src_get_stream (src);
switch (meta_screen_cast_stream_get_cursor_mode (stream))
{
case META_SCREEN_CAST_CURSOR_MODE_EMBEDDED:
maybe_blit_cursor_sprite (window_src, framebuffer, &stream_rect);
break;
case META_SCREEN_CAST_CURSOR_MODE_METADATA:
case META_SCREEN_CAST_CURSOR_MODE_HIDDEN:
break;
}
return TRUE;
}
static void