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gl/cocoa: Update viewport according to the current clipping

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We have to update the GL viewport if the NSView is only partially
visible. Otherwise the content of the frame will be visibly offset.
This commit is contained in:
Sebastian Dröge 2014-09-29 09:33:42 +03:00
parent 1b8e76d235
commit d4ed76e4da
1 changed files with 28 additions and 12 deletions
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40
gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
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@ -83,6 +83,9 @@ struct _GstGLWindowCocoaPrivate
gboolean visible;
GMainContext *main_context;
GMainLoop *loop;
GLint viewport_dim[4];
NSRect bounds, visibleRect;
};
static void
@ -505,7 +508,6 @@ struct resize
{
GstGLWindowCocoa * window;
NSRect bounds, visibleRect;
NSSize frameSize;
};
static void
@ -518,12 +520,29 @@ resize_cb (gpointer data)
NSOpenGLContext * glContext = (NSOpenGLContext *) gst_gl_context_get_gl_context (context);
if (g_main_loop_is_running (window_cocoa->priv->loop) && ![window_cocoa->priv->internal_win_id isClosed]) {
/* FIXME: Need to adjust viewport for clipping here */
if (window->resize) {
window->resize (window->resize_data, resize_data->bounds.size.width, resize_data->bounds.size.height);
}
const GstGLFuncs *gl;
[glContext update];
if (window_cocoa->priv->bounds.size.width != resize_data->bounds.size.width ||
window_cocoa->priv->bounds.size.height != resize_data->bounds.size.height ||
window_cocoa->priv->visibleRect.origin.x != resize_data->visibleRect.origin.x ||
window_cocoa->priv->visibleRect.origin.y != resize_data->visibleRect.origin.y) {
gl = context->gl_vtable;
if (window->resize) {
window->resize (window->resize_data, resize_data->bounds.size.width, resize_data->bounds.size.height);
gl->GetIntegerv (GL_VIEWPORT, window_cocoa->priv->viewport_dim);
}
gl->Viewport (window_cocoa->priv->viewport_dim[0] - resize_data->visibleRect.origin.x,
window_cocoa->priv->viewport_dim[1] - resize_data->visibleRect.origin.y,
window_cocoa->priv->viewport_dim[2], window_cocoa->priv->viewport_dim[3]);
window_cocoa->priv->visibleRect = resize_data->visibleRect;
window_cocoa->priv->bounds = resize_data->bounds;
}
GST_GL_WINDOW (window_cocoa)->draw (GST_GL_WINDOW (window_cocoa)->draw_data);
[glContext flushBuffer];
}
@ -542,21 +561,18 @@ resize_cb (gpointer data)
if (window->resize) {
NSRect bounds = [self bounds];
NSRect visibleRect = [self visibleRect];
NSSize frameSize = [self frame].size;
struct resize *resize_data = g_new (struct resize, 1);
GST_DEBUG_OBJECT (window, "Window resized: bounds %lf %lf %lf %lf, "
"visibleRect %lf %lf %lf %lf, frame size %lf %lf",
GST_DEBUG_OBJECT (window, "Window resized: bounds %lf %lf %lf %lf "
"visibleRect %lf %lf %lf %lf",
bounds.origin.x, bounds.origin.y,
bounds.size.width, bounds.size.height,
visibleRect.origin.x, visibleRect.origin.y,
visibleRect.size.width, visibleRect.size.height,
frameSize.width, frameSize.height);
visibleRect.size.width, visibleRect.size.height);
resize_data->window = window_cocoa;
resize_data->bounds = bounds;
resize_data->visibleRect = visibleRect;
resize_data->frameSize = frameSize;
gst_gl_window_send_message_async (GST_GL_WINDOW (window_cocoa), (GstGLWindowCB) resize_cb, resize_data, (GDestroyNotify) g_free);
}
@ -567,7 +583,7 @@ resize_cb (gpointer data)
}
- (BOOL) isFlipped {
return YES;
return NO;
}
@end