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gl/eagl: Don't call anything synchronously from the main thread

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This will deadlock if the main thread is the one who creates the GstGLContext.
All things we call from the main thread should be possible from any thread.

https://bugzilla.gnome.org/show_bug.cgi?id=751101
This commit is contained in:
Sebastian Dröge 2015-07-06 13:28:05 +03:00 committed by Tim-Philipp Müller
parent b7a3b54b2a
commit cff2d74cd4
1 changed files with 47 additions and 53 deletions
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18
gst-libs/gst/gl/eagl/gstglcontext_eagl.m
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@ -143,12 +143,12 @@ gst_gl_context_eagl_release_layer (GstGLContext * context)
void void
gst_gl_context_eagl_update_layer (GstGLContext * context) gst_gl_context_eagl_update_layer (GstGLContext * context)
{ {
__block GLuint framebuffer; GLuint framebuffer;
__block GLuint color_renderbuffer; GLuint color_renderbuffer;
__block GLuint depth_renderbuffer; GLuint depth_renderbuffer;
__block GLint width; GLint width;
__block GLint height; GLint height;
__block CAEAGLLayer *eagl_layer; CAEAGLLayer *eagl_layer;
GLenum status; GLenum status;
GstGLContextEagl *context_eagl = GST_GL_CONTEXT_EAGL (context); GstGLContextEagl *context_eagl = GST_GL_CONTEXT_EAGL (context);
GstGLContextEaglPrivate *priv = context_eagl->priv; GstGLContextEaglPrivate *priv = context_eagl->priv;
@ -168,7 +168,6 @@ gst_gl_context_eagl_update_layer (GstGLContext * context)
if (priv->eagl_layer) if (priv->eagl_layer)
gst_gl_context_eagl_release_layer (context); gst_gl_context_eagl_release_layer (context);
dispatch_sync (dispatch_get_main_queue (), ^{
eagl_layer = (CAEAGLLayer *)[window_handle layer]; eagl_layer = (CAEAGLLayer *)[window_handle layer];
[EAGLContext setCurrentContext:priv->eagl_context]; [EAGLContext setCurrentContext:priv->eagl_context];
@ -194,7 +193,6 @@ gst_gl_context_eagl_update_layer (GstGLContext * context)
glFramebufferRenderbuffer (GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, glFramebufferRenderbuffer (GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
GL_RENDERBUFFER, depth_renderbuffer); GL_RENDERBUFFER, depth_renderbuffer);
[EAGLContext setCurrentContext:nil]; [EAGLContext setCurrentContext:nil];
});
[EAGLContext setCurrentContext:priv->eagl_context]; [EAGLContext setCurrentContext:priv->eagl_context];
@ -224,7 +222,6 @@ gst_gl_context_eagl_create_context (GstGLContext * context, GstGLAPI gl_api,
GstGLContextEagl *context_eagl = GST_GL_CONTEXT_EAGL (context); GstGLContextEagl *context_eagl = GST_GL_CONTEXT_EAGL (context);
GstGLContextEaglPrivate *priv = context_eagl->priv; GstGLContextEaglPrivate *priv = context_eagl->priv;
dispatch_sync (dispatch_get_main_queue (), ^{
if (other_context) { if (other_context) {
EAGLContext *external_gl_context = (EAGLContext *) EAGLContext *external_gl_context = (EAGLContext *)
gst_gl_context_get_gl_context (other_context); gst_gl_context_get_gl_context (other_context);
@ -235,7 +232,6 @@ gst_gl_context_eagl_create_context (GstGLContext * context, GstGLAPI gl_api,
} else { } else {
priv->eagl_context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2]; priv->eagl_context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
} }
});
priv->eagl_layer = NULL; priv->eagl_layer = NULL;
priv->framebuffer = 0; priv->framebuffer = 0;
@ -285,7 +281,6 @@ gst_gl_context_eagl_choose_format (GstGLContext * context, GError ** error)
return TRUE; return TRUE;
} }
dispatch_sync (dispatch_get_main_queue (), ^{
CAEAGLLayer *eagl_layer; CAEAGLLayer *eagl_layer;
NSDictionary * dict =[NSDictionary dictionaryWithObjectsAndKeys: NSDictionary * dict =[NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:NO], kEAGLDrawablePropertyRetainedBacking, [NSNumber numberWithBool:NO], kEAGLDrawablePropertyRetainedBacking,
@ -294,7 +289,6 @@ gst_gl_context_eagl_choose_format (GstGLContext * context, GError ** error)
eagl_layer = (CAEAGLLayer *)[window_handle layer]; eagl_layer = (CAEAGLLayer *)[window_handle layer];
[eagl_layer setOpaque:YES]; [eagl_layer setOpaque:YES];
[eagl_layer setDrawableProperties:dict]; [eagl_layer setDrawableProperties:dict];
});
gst_object_unref (window); gst_object_unref (window);