Commit graph

261 commits

Author SHA1 Message Date
Matthew Waters
e762f1b376 Revert "gstgldisplay: Add public foreign_display property"
This introduced a possible regression where the EGL display connection
could be leaked when a foreign native display (x11, wayland, etc) could
create a non-foreign EGL display that would never be destroyed.

The underlying problem needed to be solved in a different way.  See
https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/issues/640
for more details.

This reverts commit 2e686b0dad.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/758>
2020-07-20 05:59:14 +00:00
Sebastian Dröge
a0258e3e6b gldisplay: Fix context leak when removing a context from the display
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/654>
2020-05-06 14:46:17 +00:00
Edward Hervey
0fe052db61 gldisplay: Fix list iteration
We were never moving past the first entry it seems...

CID #1461275

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/654>
2020-05-06 14:46:17 +00:00
He Junyan
4216bd6eb2 libs: gl: Fix a context leak when display_create_context failed 2020-04-08 15:26:23 +08:00
Matthew Waters
4c008895ce gldisplay: add support removing a context from the internal list 2020-03-03 02:11:52 +00:00
Matthew Waters
3b552cc05a display: add a specific lock for the list of windows
It's either this or replacing all the object lock usage in gldisplay
with a recursive mutex which is not backwards compatible

The failure case is effectively:
1. The user has locked the display object lock
2. a glcontext loses it's last ref and attempts to quit the window
3. gst_gl_window_quit() attempts to remove the window from the display
4. gst_gl_display_remove_window attempts to take the display object lock

The only concern with changing the locking for the window list in the
display is that gst_gl_display_create_window() has documentation requiring
the object lock to be held which must continue to work correctly.
2019-11-06 01:07:27 +00:00
Matthew Waters
b29d61b88e glwindow: remove window from display list on quit/finalize
Fixes a possible use-after-free in the X11 backend.
2019-11-06 01:07:26 +00:00
Matthew Waters
d79d742492 gl/display: Add thread-safe retrieve_window
Returning a transfer none value for a value checked by a lock is not
thread safe as the reference could disappear before the caller can take
its reference.
2019-11-06 01:07:26 +00:00
Thibault Saunier
909baa2360 Pass the code through codespell 2019-08-30 13:05:36 +00:00
Niels De Graef
0314b482f3 Don't pass default GLib marshallers for signals
By passing NULL to `g_signal_new` instead of a marshaller, GLib will
actually internally optimize the signal (if the marshaller is available
in GLib itself) by also setting the valist marshaller. This makes the
signal emission a bit more performant than the regular marshalling,
which still needs to box into `GValue` and call libffi in case of a
generic marshaller.

Note that for custom marshallers, one would use
`g_signal_set_va_marshaller()` with the valist marshaller instead.
2019-08-27 07:31:57 +02:00
Seungha Yang
5f70adf667 gl/egl/display: Add support EGLDevice display type
Simple addition for supporting EXT_platform_device typed display.
It's a kind of special display type (part of EGL specification)
which has no window at all.
To use EGLDevice explicitly, set environment "GST_GL_WINDOW=egl-device"

See also https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_platform_device.txt
2019-08-21 05:19:46 +00:00
Wonchul Lee
ba9ef3c50e gldisplay: fix g-i warning 2019-07-23 09:10:17 +09:00
Dylan McCall
2e686b0dad gstgldisplay: Add public foreign_display property
We use this property in gst_gl_display_egl_from_gl_display, to set
foreign_display for the new GstGLDisplayEGL instance. This fixes a
problem where gst_gl_display_egl_finalize calls EglTerminate on a
pre-existing EGL connection.
2019-07-08 20:46:58 +00:00
Tim-Philipp Müller
d736bfc855 gl: Update for g_type_class_add_private() deprecation in recent GLib
https://gitlab.gnome.org/GNOME/glib/merge_requests/7
2018-06-23 22:58:44 +02:00
Mark Nauwelaerts
710990d5cf gl: fix some GIR annotations
Mostly related to out and array parameters
2018-04-23 19:33:19 +02:00
Carlos Rafael Giani
4df219f336 gl: Add Mesa3D GBM backend
This makes it possible to use the GStreamer OpenGL elements without a
windowing system if a libdrm- and Mesa3D-supported GPU is present

https://bugzilla.gnome.org/show_bug.cgi?id=782923
2018-02-23 21:09:45 -05:00
Nicolas Dufresne
b769f02261 gldisplay: Prefer wayland over X11
As most Wayland compositors supports XWayland, X11 backend get
selected. This also realign better GStreamer decision to what
happens with GTK and other stack out there.
2017-12-09 19:32:31 +00:00
Nicolas Dufresne
4cb1a1ca97 gldisplay: Add missing GL API to the doc 2017-12-09 19:32:31 +00:00
Carlos Rafael Giani
cdd4f4532c gl/viv-fb: Fix user-choice string comparisons
https://bugzilla.gnome.org/show_bug.cgi?id=782921
2017-12-09 19:32:28 +00:00
Sebastian Dröge
a9a05c01a9 gst: Clear floating flag in constructor of all GstObject subclasses that are not owned by any parent
https://bugzilla.gnome.org/show_bug.cgi?id=743062
2017-12-09 19:32:28 +00:00
Thibault Saunier
95ac4d5175 docs: Port all docstring to gtk-doc markdown 2017-12-09 19:32:27 +00:00
Vincent Penquerc'h
697cd40ee4 gldisplay: fix list leak
Windows aren't always removed in time, and it turns out to be
very, very hard to remove a window in a way that's not racy and
not deadlocky. Since the window itself doesn't leak, freeing
the list on object destruction is enough.

https://bugzilla.gnome.org/show_bug.cgi?id=781018
2017-12-09 19:32:27 +00:00
Sebastian Dröge
ed7c9f70d9 gl: Add support for Vivante EGL FB windowing system
This is very similar to how dispmanx on the Raspberry Pi works.

Based on a patch by Haihua Hu <b55597@freescale.com> from
https://github.com/Freescale/meta-freescale/tree/master/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad

https://bugzilla.gnome.org/show_bug.cgi?id=778825
2017-12-09 19:32:26 +00:00
Matthew Waters
738cd580c9 gldisplay: add missing transfer annotations 2017-12-09 19:32:26 +00:00
Matthew Waters
53cc73b5f4 gldisplay: some annotation updates/typo fixes 2017-12-09 19:32:25 +00:00
Matthew Waters
af493eb6b2 gldisplay: add a list of glwindow's
With the event thread on the display, for a particular winsys event
we need to be able to retreive the window that the event matches.
2017-12-09 19:32:24 +00:00
Matthew Waters
3870012f18 gldisplay: add a dedicated event thread
Will take the place of the navigation event thread for dealing with
winsys events.
2017-12-09 19:32:24 +00:00
Matthew Waters
873466a1f1 gldisplay: Fix inverted precondition
A GError argument must either be null or point to a NULL GError.

https://developer.gnome.org/glib/stable/glib-Error-Reporting.html
2017-12-09 19:32:23 +00:00
Matthew Waters
62d0bac993 gl/gi: some annotation updates for called functions
With scope, closure, destroy annotations
2017-12-09 19:32:23 +00:00
Matthew Waters
18ac98c58b gl: GST_GL_TYPE -> GST_TYPE_GL
Some deprecated symbols are kept for backwards compatibility
2017-12-09 19:32:23 +00:00
Matthew Waters
9bafa08a5d gl/docs: massive update
- add Since: markers where necessary.
- document structs
- add documentation headers for each module (short_description,
  see_also, etc)
- reduce the number of warnings gtk-doc outputs
- fix spelling mistakes
2017-12-09 19:32:23 +00:00
Matthew Waters
7cbac97b94 gldisplay: also free the GWeakRef when removing dead contexts
Otherwise we leak GWeakRef's.

Found with make -C tests/check libs/gstglcontext.valgrind
2017-12-09 19:32:22 +00:00
Matthew Waters
7004e44be9 gl: add memory type for renderbuffer's
Soon to be used for framebuffers for e.g. depth buffers or throwaway color
buffers.
2017-12-09 19:32:21 +00:00
Matthew Waters
57acec4b1c gldisplay: always unref the context on a collision
Otherwise we will leak GstGLContext's when adding the same context more than
once.

Fixes a regression caused by 5f9d10f603 in the
gstglcontext unit test that failed with:

Assertion 'tmp == NULL' failed
2017-12-09 19:32:20 +00:00
Matthew Waters
537d1996e9 gldisplay: add some debugging about retrieving GL contexts 2017-12-09 19:32:20 +00:00
Matthew Waters
7e7aef92c2 gldisplay: demote no platform display debug to info
Avoids confusing everyone with a warning that's not always fatal.

https://bugzilla.gnome.org/show_bug.cgi?id=746933
2017-12-09 19:32:19 +00:00
Matthew Waters
5efc2e8705 gl/egl: replace gsteglimagememory with an EGLImage wrapper
That can be passed to GstGLMemoryEGL.

This also ports the dmabuf uploader to GstEGLImage and GstGLMemoryEGL.
2017-12-09 19:32:19 +00:00
Gwang Yoon Hwang
ecfe5b0801 gl: implement GstGLMemoryEGL
Because current GstEGLImageMemory does not inherit GstGLMemory, GLUpload
allocates additional GLMemory and upload the decoded contents from the decoder
which uses EGLImage (e.g. gst-omx in RPi).

This work adds GstGLMemoryEGL to avoid this overhead. Decoders allocate
GstGLMemoryEGL and decode its contents to the EGLImage of GstGLMemoryEGL.  And
GLUpload uses this memory without allocation of additional textures and blit
operations.

[Matthew Waters]: gst-indent the sources and fix a critical retreiving the egl
display from the memory.

https://bugzilla.gnome.org/show_bug.cgi?id=760916
2017-12-09 19:32:19 +00:00
Matthew Waters
eb1a9bb9b0 gldisplay: make readding the same context a no-op
With e38af23044 returning the correct contexts,
gst_gl_display_add_context() was susceptible to causing infinte loops when
adding the same GstGLContext more than once.  Fix and add a test for
gst_gl_display_add_context().

Fixes glvideomixer gst-validate tests.
2017-12-09 19:32:17 +00:00
Mark Nauwelaerts
6d343abec8 gldisplay: really retrieve glcontext for a specific thread
When requesting a glcontext (regardless of thread), the result was correct.
However, when requesting current glcontext on a specific thread, it could
come up with a glcontext active on another thread.

https://bugzilla.gnome.org/show_bug.cgi?id=763168
2017-12-09 19:32:17 +00:00
Matthew Waters
dc02d47092 glbasebuffer: remove unsed memory subclass
The functionality has been split into GstGLBaseMemory and GstGLBuffer.
2017-12-09 19:32:12 +00:00
Matthew Waters
76a38dd66a glmemory: base classify and add the pbo memory on top
The base class is useful for having multiple backing memory types other
than the default.  e.g. IOSurface, EGLImage, dmabuf?

The PBO transfer logic is now inside GstGLMemoryPBO which uses GstGLBuffer
to manage the PBO memory.

This also moves the format utility functions into their own file.
2017-12-09 19:32:12 +00:00
Matthew Waters
5ab3a38973 gl: add a GL buffer based GstMemory
Heavily based on GstGLBaseBuffer that is a subclass of GstGLBaseMemory.
Provides GPU and CPU accessible GL buffer objects by GL handle or by
sysmem data pointer.
2017-12-09 19:32:12 +00:00
Matthew Waters
06de6998e5 gl: be consistent in gobject boilerpate
GST_GL_IS_* vs GST_IS_GL_*

git grep -l 'GST_GL_IS_' | xargs sed -i 's/GST_GL_IS_/GST_IS_GL_/g'
2017-12-09 19:32:09 +00:00
Julien Isorce
76983d4454 gldisplay: add gst_gl_display_create_context
It also emits a create-context signal so that an application
can provide an external GstGLContext backend.

https://bugzilla.gnome.org/show_bug.cgi?id=750310
2017-12-09 19:32:04 +00:00
Matthew Waters
900bcea9de glmemory: implement on top of glbasebuffer
Provides convenient access to PBO usage.

Currently texture updates are coupled tightly to data transfers.
2017-12-09 19:32:04 +00:00
Matthew Waters
9f704d7c2d gl/wayland: add GstGLDisplayWayland
Simple implementation split from GstGLWindowWayland

Can now have multiple glimagesink elements all displaying output
linked via GL or otherwise (barring GL platform limitations).

The intel driver is racy and can crash setting up the two glimagesink contexts.

e.g.
videotestsrc ! tee name=t ! queue ! glupload ! glimagesinkelement
  t. ! queue ! gleffects_blur ! glimagesinkelement

videotestsrc ! glupload ! glfiltercube ! tee name=t ! queue ! glimagesinkelement
  t. ! queue ! gleffects_blur ! glimagesinkelement
2017-12-09 19:32:02 +00:00
Matthew Waters
03908c679e gldisplay: synchronize the searching and creation of GstGLContext's
Ootherwise we could end up with multiple elements in different chains
each creating a context.  Fixes context creation with glvideomixer.
2017-12-09 19:31:59 +00:00
Julien Isorce
a71d479cc3 gldisplay: fix GThread leak
https://bugzilla.gnome.org/show_bug.cgi?id=746541
2017-12-09 19:31:58 +00:00
Matthew Waters
0b5c7e8b49 gl/docs: update some doc comments 2017-12-09 19:31:58 +00:00