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gl: cocoa: Implement set_render_rectangle

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Resize the internal NSView according to the provided render rectangle.

https://bugzilla.gnome.org/show_bug.cgi?id=791445
This commit is contained in:
Philippe Normand 2017-12-26 13:23:11 +00:00
parent d679f752f1
commit 5d35e1fa15
1 changed files with 71 additions and 2 deletions
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73
gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
View file

@ -86,6 +86,8 @@ static void gst_gl_window_cocoa_show (GstGLWindow * window);
static void gst_gl_window_cocoa_queue_resize (GstGLWindow * window);
static void gst_gl_window_cocoa_send_message_async (GstGLWindow * window,
GstGLWindowCB callback, gpointer data, GDestroyNotify destroy);
static gboolean gst_gl_window_cocoa_set_render_rectangle (GstGLWindow *
window, gint x, gint y, gint width, gint height);
struct _GstGLWindowCocoaPrivate
{
@ -95,8 +97,6 @@ struct _GstGLWindowCocoaPrivate
gint preferred_width;
gint preferred_height;
GLint viewport_dim[4];
/* atomic set when the internal NSView has been created */
int view_ready;
@ -124,6 +124,8 @@ gst_gl_window_cocoa_class_init (GstGLWindowCocoaClass * klass)
window_class->queue_resize = GST_DEBUG_FUNCPTR (gst_gl_window_cocoa_queue_resize);
window_class->send_message_async =
GST_DEBUG_FUNCPTR (gst_gl_window_cocoa_send_message_async);
window_class->set_render_rectangle =
GST_DEBUG_FUNCPTR (gst_gl_window_cocoa_set_render_rectangle);
gobject_class->finalize = gst_gl_window_cocoa_finalize;
}
@ -184,6 +186,8 @@ gst_gl_window_cocoa_create_window (GstGLWindowCocoa *window_cocoa)
context_cocoa = GST_GL_CONTEXT_COCOA (context);
layer = [[GstGLCAOpenGLLayer alloc] initWithGstGLContext:context];
layer.autoresizingMask = kCALayerWidthSizable | kCALayerHeightSizable;
layer.needsDisplayOnBoundsChange = YES;
glView = [[GstGLNSView alloc] initWithFrameLayer:window_cocoa rect:windowRect layer:layer];
gst_object_unref (context);
@ -267,6 +271,7 @@ gst_gl_window_cocoa_set_window_handle (GstGLWindow * window, guintptr handle)
[external_view addSubview: view];
[external_view setAutoresizesSubviews: YES];
[view setFrame: [external_view bounds]];
[view setAutoresizingMask: NSViewWidthSizable|NSViewHeightSizable];
});
@ -447,6 +452,70 @@ gst_gl_window_cocoa_send_message_async (GstGLWindow * window,
g_thread_unref (thread);
}
struct SetRenderRectangle
{
GstGLWindowCocoa *window_cocoa;
GstVideoRectangle rect;
};
static void
_free_set_render_rectangle (struct SetRenderRectangle *render)
{
if (render) {
if (render->window_cocoa) {
gst_object_unref (render->window_cocoa);
}
g_free (render);
}
}
static void
_set_render_rectangle (gpointer data)
{
struct SetRenderRectangle *render = data;
NSView *view;
GstGLWindowCocoaPrivate *priv = render->window_cocoa->priv;
GstGLNSWindow *internal_win_id = (__bridge GstGLNSWindow *)priv->internal_win_id;
GST_LOG_OBJECT (render->window_cocoa, "setting render rectangle %i,%i+%ix%i",
render->rect.x, render->rect.y, render->rect.w, render->rect.h);
if (!g_atomic_int_get (&render->window_cocoa->priv->view_ready)) {
return;
}
view = [internal_win_id contentView];
CGRect newMainViewFrame = CGRectMake(render->rect.x,
render->rect.y,
render->rect.w,
render->rect.h);
[view.superview setFrame:newMainViewFrame];
[view setFrame: view.superview.bounds];
[CATransaction begin];
[view setNeedsDisplay:YES];
[CATransaction commit];
}
static gboolean
gst_gl_window_cocoa_set_render_rectangle (GstGLWindow * window, gint x, gint y, gint width, gint height)
{
GstGLWindowCocoa *window_cocoa = (GstGLWindowCocoa *) window;
struct SetRenderRectangle *render;
render = g_new0 (struct SetRenderRectangle, 1);
render->window_cocoa = gst_object_ref (window_cocoa);
render->rect.x = x;
render->rect.y = y;
render->rect.w = width;
render->rect.h = height;
_invoke_on_main ((GstGLWindowCB) _set_render_rectangle, render,
(GDestroyNotify) _free_set_render_rectangle);
return TRUE;
}
/* =============================================================*/
/* */
/* GstGLNSWindow implementation */