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95 commits

Author SHA1 Message Date
Matthew Waters
9e40dd7d40 gl: add support for building against GLES3 headers 
with a fallback to GLES2 headers if available.
 2016-03-31 20:53:18 +11:00
Matthew Waters
abec124f69 glcontext: add a method to add a context to another share group 
Intended for use with wrapped contexts that are created shared with gst's
gl contexts in order to manage the internal sharegroup state correctly.

e.g. with caopengllayer (which is used in glimagesink and caopengllayersink
on OS X), we create a CGL context from the gst context and the sharing state
was not being correctly set on either GL context and gst_gl_context_is_shared()
was always returning FALSE.

With 11fb4fff80 only flushing with multiple
shared contexts, the required flush was not occuring causing screen
corruption or stuttering.

Note: this didn't affect GST_GL_API=opengl pipelines

https://bugzilla.gnome.org/show_bug.cgi?id=762620
 2016-02-26 10:59:04 +11:00
Matthew Waters
02262a20e8 glcontext: don't enable GL debug for messages that won't be logged 
This is an optimization to avoid pointless string processing.
 2016-02-16 14:00:05 +11:00
Alessandro Decina
2c0aca52a8 gstglcontext: micro optimization to gst_gl_context_thread_add 
Invoke the callback right away when called on the context thread. Removes
overhead when nesting libgstgl calls (for example when working with the sync
meta).
 2016-02-10 13:11:35 +11:00
Matthew Waters
406fe90331 glcontext: back out unintended lost_context changes 2016-01-29 12:45:57 +11:00
Matthew Waters
49199b03ac egl: implement selecting opengl3 contexts 2016-01-29 11:51:58 +11:00
Matthew Waters
2aadd7eaf9 glcontext: implement checking whether a context has been shared 
Some operations are unnecessary when running with only a single GL
context.
e.g. glFlush when setting a fence object as the flush happens on wait.

API: gst_gl_context_is_shared
 2016-01-07 14:11:13 +11:00
Sebastian Dröge
3d0257e1b6 glcontext: Add some debug output when the GL thread is actually running 2015-12-28 14:41:59 +02:00
Sebastian Dröge
626bcccff9 glcontext: Signal context creation from inside the context loop and use g_thread_join() instead of a custom condition variable 
Also protect against spurious condition variable wakeups during context
creation.
 2015-12-21 12:16:35 +01:00
Matthew Waters
0af0237c4a gl: fix usage of string.h and stdio.h functions without including the headers 
e.g:
gstglcontext_egl.c:613:7: error: implicit declaration of function 'strcmp'
[-Werror=implicit-function-declaration]
   if (strcmp (G_MODULE_SUFFIX, "so") == 0)
 2015-10-21 04:53:08 +11:00
Matthew Waters
3dfc6899ad 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'
 2015-10-19 15:15:30 +11:00
Matthew Waters
83c2262849 gl: move debugging related functions to their own file 2015-10-02 01:01:42 +10:00
Matthew Waters
b8cb829e46 glcontext: fixup strstr lengths so we don't overrun 2015-09-30 15:17:38 +10:00
Tim-Philipp Müller
1cb3e8c591 gtk, qt, gl: fix typo in debug and error messages 2015-08-31 18:06:31 +01:00
Justin Kim
85834d6bbc glcontext: add specific error message when missing GL_SHADING_LANGUAGE_VERSION 
GL_SHADING_LANGUAGE_VERSION was introduced since ES 2.0, but in some
android emulator doesn't support this feature. To prevent confusion for
developer, the error message need to be more clear.

https://bugzilla.gnome.org/show_bug.cgi?id=753905
 2015-08-21 18:14:15 +10:00
Matthew Waters
dbcae77e02 glcontext: pass display to implentation's _new() 
This allows the context to fail creation based on incompatible
display type's. e.g. glx context with an wayland display handle.

https://bugzilla.gnome.org/show_bug.cgi?id=752743
 2015-07-27 18:23:17 +10:00
Julien Isorce
90a1ff1383 gl: move GL_NUM_EXTENSIONS definition after gl.h 
https://bugzilla.gnome.org/show_bug.cgi?id=752743
 2015-07-24 00:03:26 +01:00
Matthew Waters
d5996de5d7 glcontext: fix get_current_gl_api on x11/nvidia drivers 
They require to get_proc_address some functions through the
platform specific {glX,egl}GetProcAddress rather than the default
GL library symbol lookup.
 2015-07-18 18:18:22 +10:00
Matthew Waters
74711c214d glcontext: consolidate get_proc_address function definition 
Pass the GstGLAPI directly.
 2015-07-18 17:10:04 +10:00
Matthew Waters
be9ad5eeb2 glcontext: track sharedness with a cookie 
The previous approach of traversing the other_context weak ref tree was
1. Less performant
2. Incorrect for context destruction removing a link in the tree

Example of 2:
c1 = context_create (NULL)
c2 = context_create (c1)
c3 = context_create (c2)
context_can_share (c1, c3) == TRUE
context_destroy (c2)
unref (c2)
context_can_share (c1, c3) returns FALSE when it should be TRUE!

This does not remove the restriction that context sharedness can only
be tracked between GstGLContext's.
 2015-07-18 15:34:55 +10:00
Matthew Waters
b679cc2238 glcontext: use the debug object variant for completeness 2015-07-18 15:34:55 +10:00
Julien Isorce
f037b28a7b gl: initialize output params to 0 before calling gl functions 
The client side API of the Chromium's GPU Process has asserts
in debug mode that check that output params are initialized to 0.
 2015-07-02 15:16:56 +01:00
Julien Isorce
b0995fcca0 glcontext: move display from priv 
https://bugzilla.gnome.org/show_bug.cgi?id=750310
 2015-06-19 13:09:53 +01:00
Julien Isorce
5c23b98e27 Revert "glcontext: add gst_gl_context_set_display helper" 
This reverts commit 71b8103cbd.
 2015-06-19 13:09:46 +01:00
Sebastian Dröge
e7ca427ddb gl: OES_vertex_array_object is improperly implemented on PowerVR SGX 544MP 
https://bugzilla.gnome.org/show_bug.cgi?id=750185
 2015-06-10 13:31:16 +02:00
Thiago Santos
045bfa10fe Fix a common typo: retreive -> retrieve 
Seems to have been copy pasted around a few places
 2015-06-05 09:43:35 -03:00
Julien Isorce
3bc4f55d3d glcontext: initialize debug in class_init 
Useful if one uses gst_gl_context_egl_new directly
instead of gst_gl_context_new.
 2015-05-27 17:09:53 +01:00
Julien Isorce
71b8103cbd glcontext: add gst_gl_context_set_display helper 2015-05-27 17:09:42 +01:00
Matthew Waters
e9f0d0fb51 glcontext: require a shader version to initialize. 
It's very near pointless to try our GL implementation without shaders.

https://bugzilla.gnome.org/show_bug.cgi?id=749284
 2015-05-21 15:07:38 +10:00
Matthew Waters
07dffe9e5b glcontext: propagate the version/extension failure upwards 
Otherwise the calling code has no idea that the context failed to
be created fully.

https://bugzilla.gnome.org/show_bug.cgi?id=749284
 2015-05-13 23:56:48 +10:00
Matthew Waters
6cb6d8f9e8 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.
 2015-04-21 12:55:24 +10:00
Matthew Waters
0ee027b6ee gl/docs: update some doc comments 2015-03-18 10:13:25 -07:00
Matthew Waters
cebdf84c81 glcontext: store the thread current context 2015-03-12 16:45:51 +00:00
Edward Hervey
f09272f434 gl: Add/Update more debug statements 
Where possible, use the _OBJECT variants in order to track better from
which object the debug statement is coming from

Define (and use) GST_CAT_DEFAULT where applicable

Use GST_PTR_FORMAT where applicable
 2015-02-12 15:57:55 +01:00
Matthew Waters
4c73e20553 glcontext: allow wrapped contexts to be utilised like non-wrapped contexts 
Fill in the missing pieces like get_proc_address, the gl function vtable
 2015-01-13 15:18:41 +11:00
Julien Isorce
230022fe62 glcontext: try cgl before glx 
It was already done by commit
f506e80686
but it has been broken by commit
45ec777cea
 2014-12-03 08:02:58 +00:00
Matthew Waters
90a2477b9e glcontext: require GL_ARB_ES2_compatibility for opengl3 
until we generate gl3 compliant shaders

https://bugzilla.gnome.org/show_bug.cgi?id=740012
 2014-11-30 00:44:46 +11:00
Matthew Waters
3c1e77eb31 gldisplay: implement runtime GL api filtering 
Needed so that the pipeline/application can limit the choice of GL api
to what it supports
 2014-11-28 09:14:26 +11:00
Ramprakash Jelari
aea08e86a5 glcontext: Fix unused variable warning by moving declaration where it is actually used 2014-11-24 14:16:58 +01:00
Vineeth T M
aafc0d509c glcontext: build errors when GST_GL_HAVE_OPENGL is 0 
Moving variables within #if GST_GL_HAVE_OPENGL, which are not going to be used otherwise.
and which are needed only when OpenGl is present

https://bugzilla.gnome.org/show_bug.cgi?id=740235
 2014-11-17 22:39:07 +11:00
Matthew Waters
1800ffb34a glcontext: fail context creation if glGetString returns NULL 2014-11-06 18:46:48 +11:00
Matthew Waters
f36d6daf51 gl: sprinkle some Since markers 2014-10-31 21:29:25 +11:00
Matthew Waters
567185a277 glcontext: add more functionality to wrapped contexts 
Implements get_current_context() and get_proc_address() for wrapped
contexts.
 2014-10-30 18:58:50 +11:00
Matthew Waters
81ceca1aea glcontext: add api for retreiving the current context and api 
that is current in the calling thread.
 2014-10-28 17:33:20 +11:00
Edward Hervey
e064d280ea glcontext: Initialize variable 
Avoids the following warning:

gstglcontext.c:647:58: error: 'prev' may be used uninitialized in
 this function [-Werror=maybe-uninitialized]
 2014-09-29 08:54:29 +02:00
Matthew Waters
fc2471eb54 glcontext: fixup error in sharegroup comment 2014-09-29 00:32:05 +10:00
Matthew Waters
3b9893192c glcontext: detect the sharegroup case where the context are in different chains 
In the end they will lead to the same root context in the tree so check that
for equality.
 2014-09-29 00:24:28 +10:00
Matthew Waters
d99b517b53 glcontext: add gst_gl_context_can_share 
Which determines whether two GstGLContext's can share sharable
OpenGL resources.
 2014-09-23 12:01:04 +10:00
Sebastian Dröge
8d457a4d18 gl: Let gst_gl_context_get_thread() return a new reference to the GThread 
Otherwise it might go away in the meantime and the caller has some random pointer.
 2014-09-22 10:09:24 +03:00
Tim-Philipp Müller
10997063a1 gl: add since markers for new API 2014-09-21 13:32:29 +01:00