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gl/cocoa: Switch to a plain NSView subclass instead of NSOpenGLView

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We don't and can't use NSOpenGLView as it's supposed to be used and
it gets into our way by being to clever in various situations.
This commit is contained in:
Sebastian Dröge 2014-09-26 13:05:27 +03:00 committed by Tim-Philipp Müller
parent ef00d85f16
commit 02b3e26854
3 changed files with 76 additions and 53 deletions
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12
gst-libs/gst/gl/cocoa/gstgl_cocoa_private.h
View file

@ -34,25 +34,23 @@ struct _GstGLContextCocoaPrivate
{
NSOpenGLContext *gl_context;
NSOpenGLContext *external_gl_context;
NSRect rect;
gint source_id;
};
/* =============================================================*/
/* */
/* GstGLNSOpenGLView declaration */
/* GstGLNSView declaration */
/* */
/* =============================================================*/
@interface GstGLNSOpenGLView: NSOpenGLView {
GstGLWindowCocoa *m_cocoa;
@interface GstGLNSView: NSView {
GstGLWindowCocoa *window_cocoa;
}
- (id) initWithFrame:(GstGLWindowCocoa *)window rect:(NSRect)contentRect
pixelFormat:(NSOpenGLPixelFormat *)fmt;
- (id) initWithFrame:(GstGLWindowCocoa *)window rect:(NSRect)contentRect;
@end
gboolean gst_gl_window_cocoa_create_window (GstGLWindowCocoa *window_cocoa);
gboolean gst_gl_window_cocoa_create_window (GstGLWindowCocoa *window_cocoa, NSRect rect);
G_END_DECLS

16
gst-libs/gst/gl/cocoa/gstglcontext_cocoa.m
View file

@ -201,7 +201,7 @@ gst_gl_context_cocoa_create_context (GstGLContext *context, GstGLAPI gl_api,
GstGLContextCocoaPrivate *priv = context_cocoa->priv;
GstGLWindow *window = gst_gl_context_get_window (context);
GstGLWindowCocoa *window_cocoa = GST_GL_WINDOW_COCOA (window);
GstGLNSOpenGLView *glView = nil;
GstGLNSView *glView = nil;
NSWindow *window_handle;
NSRect rect;
NSAutoreleasePool *pool;
@ -234,12 +234,10 @@ gst_gl_context_cocoa_create_context (GstGLContext *context, GstGLAPI gl_api,
rect.size.width = 320;
rect.size.height = 240;
priv->rect = rect;
gst_gl_window_cocoa_create_window (window_cocoa);
gst_gl_window_cocoa_create_window (window_cocoa, rect);
window_handle = (NSWindow *) gst_gl_window_get_window_handle (window);
glView = [GstGLNSOpenGLView alloc];
glView = [GstGLNSView alloc];
fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attribs];
@ -249,7 +247,7 @@ gst_gl_context_cocoa_create_context (GstGLContext *context, GstGLAPI gl_api,
return FALSE;
}
glView = [glView initWithFrame:window_cocoa rect:rect pixelFormat:fmt];
glView = [glView initWithFrame:window_cocoa rect:rect];
[window_handle setContentView:glView];
@ -263,11 +261,9 @@ gst_gl_context_cocoa_create_context (GstGLContext *context, GstGLAPI gl_api,
[glContext setView:glView];
[glView setOpenGLContext:glContext];
#else
/* FIXME try to make context sharing work in GNUstep */
context_cocoa->priv->gl_context = [glView openGLContext];
context_cocoa->priv->gl_context = glContext;
#endif
/* OpenGL context is made current only one time threre.
@ -287,7 +283,7 @@ gst_gl_context_cocoa_create_context (GstGLContext *context, GstGLAPI gl_api,
#else
const GLint swapInterval = 1;
#endif
[[glView openGLContext] setValues:&swapInterval forParameter:NSOpenGLCPSwapInterval];
[glContext setValues:&swapInterval forParameter:NSOpenGLCPSwapInterval];
}
} NS_HANDLER {
GST_DEBUG ("your back-end does not implement NSOpenglContext::setValues\n");

101
gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
View file

@ -1,6 +1,7 @@
/*
* GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it un der the terms of the GNU Library General Public
@ -34,7 +35,7 @@
@interface GstGLNSWindow: NSWindow {
BOOL m_isClosed;
GstGLWindowCocoa *m_cocoa;
GstGLWindowCocoa *window_cocoa;
}
- (id)initWithContentRect:(NSRect)contentRect
styleMask: (unsigned int) styleMask
@ -123,17 +124,12 @@ gst_gl_window_cocoa_new (void)
}
gboolean
gst_gl_window_cocoa_create_window (GstGLWindowCocoa *window_cocoa)
gst_gl_window_cocoa_create_window (GstGLWindowCocoa *window_cocoa, NSRect rect)
{
GstGLWindow *window = GST_GL_WINDOW (window_cocoa);
GstGLContext *context = gst_gl_window_get_context (window);
GstGLContextCocoa *context_cocoa = GST_GL_CONTEXT_COCOA (context);
GstGLWindowCocoaPrivate *priv = window_cocoa->priv;
NSRect rect = context_cocoa->priv->rect;
/* FIXME: This should probably be done in the application main thread */
priv->internal_win_id = [GstGLNSWindow alloc];
[priv->internal_win_id initWithContentRect:rect styleMask:
priv->internal_win_id = [[GstGLNSWindow alloc] initWithContentRect:rect styleMask:
(NSTitledWindowMask | NSClosableWindowMask |
NSResizableWindowMask | NSMiniaturizableWindowMask)
backing: NSBackingStoreBuffered defer: NO screen: nil gstWin: window_cocoa];
@ -142,8 +138,6 @@ gst_gl_window_cocoa_create_window (GstGLWindowCocoa *window_cocoa)
[NSApp setDelegate: priv->internal_win_id];
gst_object_unref (context);
return TRUE;
}
@ -256,8 +250,8 @@ draw_cb (gpointer data)
}
if (!priv->external_view && !priv->visible) {
static gint x = 0;
static gint y = 0;
gint x = 0;
gint y = 0;
/* FIXME: This should probably be done from the application main thread */
@ -294,11 +288,16 @@ draw_cb (gpointer data)
if (g_main_loop_is_running (priv->loop)) {
if (![priv->internal_win_id isClosed]) {
GstGLContext *context = gst_gl_window_get_context (GST_GL_WINDOW (window_cocoa));
NSOpenGLContext * glContext = (NSOpenGLContext *) gst_gl_context_get_gl_context (context);
/* draw opengl scene in the back buffer */
GST_GL_WINDOW (window_cocoa)->draw (GST_GL_WINDOW (window_cocoa)->draw_data);
/* Copy the back buffer to the front buffer */
[[[priv->internal_win_id contentView] openGLContext] flushBuffer];
[glContext flushBuffer];
gst_object_unref (context);
}
}
}
@ -393,7 +392,7 @@ gst_gl_window_cocoa_send_message_async (GstGLWindow * window,
gstWin: (GstGLWindowCocoa *) cocoa {
m_isClosed = NO;
m_cocoa = cocoa;
window_cocoa = cocoa;
self = [super initWithContentRect: contentRect
styleMask: styleMask backing: bufferingType
@ -407,14 +406,14 @@ gst_gl_window_cocoa_send_message_async (GstGLWindow * window,
[self setBackgroundColor:[NSColor clearColor]];
[self orderOut:m_cocoa->priv->internal_win_id];
[self orderOut:window_cocoa->priv->internal_win_id];
if (m_cocoa->priv->external_view) {
if (window_cocoa->priv->external_view) {
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSView *view = [m_cocoa->priv->internal_win_id contentView];
NSView *view = [window_cocoa->priv->internal_win_id contentView];
[m_cocoa->priv->external_view addSubview: view];
[view setFrame: [m_cocoa->priv->external_view bounds]];
[window_cocoa->priv->external_view addSubview: view];
[view setFrame: [window_cocoa->priv->external_view bounds]];
[view setAutoresizingMask: NSViewWidthSizable|NSViewHeightSizable];
[pool release];
@ -457,7 +456,7 @@ close_window_cb (gpointer data)
- (BOOL) windowShouldClose:(id)sender {
GST_DEBUG ("user clicked the close button\n");
gst_gl_window_send_message (GST_GL_WINDOW (m_cocoa), (GstGLWindowCB) close_window_cb, m_cocoa);
gst_gl_window_send_message (GST_GL_WINDOW (window_cocoa), (GstGLWindowCB) close_window_cb, window_cocoa);
return YES;
}
@ -491,29 +490,39 @@ close_window_cb (gpointer data)
/* =============================================================*/
/* */
/* GstGLNSOpenGLView implementation */
/* GstGLNSView implementation */
/* */
/* =============================================================*/
@implementation GstGLNSOpenGLView
@implementation GstGLNSView
- (id)initWithFrame:(GstGLWindowCocoa *)window rect:(NSRect)contentRect pixelFormat:(NSOpenGLPixelFormat *)fmt {
- (id)initWithFrame:(GstGLWindowCocoa *)window rect:(NSRect)contentRect {
self = [super initWithFrame: contentRect pixelFormat: fmt];
/* FIXME: This should probably be done from the application main thread */
self = [super initWithFrame: contentRect];
m_cocoa = window;
window_cocoa = window;
#ifndef GNUSTEP
[self setWantsLayer:NO];
#endif
/* Get notified about changes */
[[NSNotificationCenter defaultCenter] addObserver: self selector:@selector(reshape) name: NSViewFrameDidChangeNotification object: self];
return self;
}
- (void) dealloc {
[[NSNotificationCenter defaultCenter] removeObserver: self];
[super dealloc];
}
struct resize
{
GstGLWindowCocoa * window;
gint width, height;
NSRect bounds, visibleRect;
NSSize frameSize;
};
static void
@ -522,36 +531,56 @@ resize_cb (gpointer data)
struct resize *resize_data = data;
GstGLWindowCocoa *window_cocoa = resize_data->window;
GstGLWindow *window = GST_GL_WINDOW (window_cocoa);
GstGLContext *context = gst_gl_window_get_context (window);
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->width, resize_data->height);
window->resize (window->resize_data, resize_data->bounds.size.width, resize_data->bounds.size.height);
}
[[[window_cocoa->priv->internal_win_id contentView] openGLContext] update];
GST_GL_WINDOW (window_cocoa)->draw (GST_GL_WINDOW (window_cocoa)->draw_data);
[[[window_cocoa->priv->internal_win_id contentView] openGLContext] flushBuffer];
[glContext update];
GST_GL_WINDOW (window_cocoa)->draw (GST_GL_WINDOW (window_cocoa)->draw_data);
[glContext flushBuffer];
}
gst_object_unref (context);
}
- (void)reshape {
GstGLWindow *window;
window = GST_GL_WINDOW (m_cocoa);
window = GST_GL_WINDOW (window_cocoa);
if (window->resize) {
NSRect bounds = [self bounds];
NSRect visibleRect = [self visibleRect];
NSSize frameSize = [self frame].size;
struct resize resize_data;
resize_data.window = m_cocoa;
resize_data.width = bounds.size.width;
resize_data.height = bounds.size.height;
GST_DEBUG_OBJECT (window, "Window resized: bounds %lf %lf %lf %lf, "
"visibleRect %lf %lf %lf %lf, frame size %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);
gst_gl_window_send_message (GST_GL_WINDOW (m_cocoa), (GstGLWindowCB) resize_cb, &resize_data);
resize_data.window = window_cocoa;
resize_data.bounds = bounds;
resize_data.visibleRect = visibleRect;
resize_data.frameSize = frameSize;
gst_gl_window_send_message (GST_GL_WINDOW (window_cocoa), (GstGLWindowCB) resize_cb, &resize_data);
}
}
- (void) update {
- (BOOL) isOpaque {
return YES;
}
- (BOOL) isFlipped {
return YES;
}
@end