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89 commits

Author SHA1 Message Date
Matthew Waters
472970324c 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
 2017-12-09 19:32:14 +00:00
Sebastian Dröge
5d38c24aaa glcontext: Add some debug output when the GL thread is actually running 2017-12-09 19:32:13 +00:00
Sebastian Dröge
039865fc03 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.
 2017-12-09 19:32:13 +00:00
Matthew Waters
764c4a33bc 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)
 2017-12-09 19:32:09 +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
Matthew Waters
16ee1636dc gl: move debugging related functions to their own file 2017-12-09 19:32:09 +00:00
Matthew Waters
37047a1050 glcontext: fixup strstr lengths so we don't overrun 2017-12-09 19:32:09 +00:00
Tim-Philipp Müller
06a1954165 gtk, qt, gl: fix typo in debug and error messages 2017-12-09 19:32:08 +00:00
Justin Kim
c8628fc43d 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
 2017-12-09 19:32:08 +00:00
Matthew Waters
9587eb477d 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
 2017-12-09 19:32:06 +00:00
Julien Isorce
ac469a0d28 gl: move GL_NUM_EXTENSIONS definition after gl.h 
https://bugzilla.gnome.org/show_bug.cgi?id=752743
 2017-12-09 19:32:06 +00:00
Matthew Waters
66407b9877 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.
 2017-12-09 19:32:05 +00:00
Matthew Waters
cfa9b94045 glcontext: consolidate get_proc_address function definition 
Pass the GstGLAPI directly.
 2017-12-09 19:32:05 +00:00
Matthew Waters
78957c45c2 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.
 2017-12-09 19:32:05 +00:00
Matthew Waters
2df7e0f9de glcontext: use the debug object variant for completeness 2017-12-09 19:32:05 +00:00
Julien Isorce
9b1eb32c49 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.
 2017-12-09 19:32:05 +00:00
Julien Isorce
38a1939ea1 glcontext: move display from priv 
https://bugzilla.gnome.org/show_bug.cgi?id=750310
 2017-12-09 19:32:04 +00:00
Julien Isorce
cbc3f1242f Revert "glcontext: add gst_gl_context_set_display helper" 
This reverts commit 71b8103cbd.
 2017-12-09 19:32:04 +00:00
Sebastian Dröge
1a995d1676 gl: OES_vertex_array_object is improperly implemented on PowerVR SGX 544MP 
https://bugzilla.gnome.org/show_bug.cgi?id=750185
 2017-12-09 19:32:03 +00:00
Thiago Santos
33b5cd5426 Fix a common typo: retreive -> retrieve 
Seems to have been copy pasted around a few places
 2017-12-09 19:32:03 +00:00
Julien Isorce
a81de2f282 glcontext: initialize debug in class_init 
Useful if one uses gst_gl_context_egl_new directly
instead of gst_gl_context_new.
 2017-12-09 19:32:02 +00:00
Julien Isorce
5849a9f657 glcontext: add gst_gl_context_set_display helper 2017-12-09 19:32:02 +00:00
Matthew Waters
d4894caacf 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
 2017-12-09 19:32:02 +00:00
Matthew Waters
16522a737c 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
 2017-12-09 19:32:01 +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
Matthew Waters
0b5c7e8b49 gl/docs: update some doc comments 2017-12-09 19:31:58 +00:00
Matthew Waters
d44594c622 glcontext: store the thread current context 2017-12-09 19:31:57 +00:00
Edward Hervey
f56c4c541a 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
 2017-12-09 19:31:54 +00:00
Matthew Waters
bef3f020a6 glcontext: allow wrapped contexts to be utilised like non-wrapped contexts 
Fill in the missing pieces like get_proc_address, the gl function vtable
 2017-12-09 19:31:52 +00:00
Julien Isorce
690b20b9f4 glcontext: try cgl before glx 
It was already done by commit
f506e80686
but it has been broken by commit
45ec777cea
 2017-12-09 19:31:51 +00:00
Matthew Waters
bbac8bf8d0 glcontext: require GL_ARB_ES2_compatibility for opengl3 
until we generate gl3 compliant shaders

https://bugzilla.gnome.org/show_bug.cgi?id=740012
 2017-12-09 19:31:51 +00:00
Matthew Waters
4bd62ebb03 gldisplay: implement runtime GL api filtering 
Needed so that the pipeline/application can limit the choice of GL api
to what it supports
 2017-12-09 19:31:51 +00:00
Ramprakash Jelari
c5804b9af5 glcontext: Fix unused variable warning by moving declaration where it is actually used 2017-12-09 19:31:50 +00:00
Vineeth T M
d747c65d4c 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
 2017-12-09 19:31:50 +00:00
Matthew Waters
e2f61d20a2 glcontext: fail context creation if glGetString returns NULL 2017-12-09 19:31:49 +00:00
Matthew Waters
35e9b5ab8b gl: sprinkle some Since markers 2017-12-09 19:31:49 +00:00
Matthew Waters
7d97a35139 glcontext: add more functionality to wrapped contexts 
Implements get_current_context() and get_proc_address() for wrapped
contexts.
 2017-12-09 19:31:49 +00:00
Matthew Waters
be5d0d81e4 glcontext: add api for retreiving the current context and api 
that is current in the calling thread.
 2017-12-09 19:31:48 +00:00
Edward Hervey
ef00d85f16 glcontext: Initialize variable 
Avoids the following warning:

gstglcontext.c:647:58: error: 'prev' may be used uninitialized in
 this function [-Werror=maybe-uninitialized]
 2017-12-09 19:31:47 +00:00
Matthew Waters
ca476f03a8 glcontext: fixup error in sharegroup comment 2017-12-09 19:31:47 +00:00
Matthew Waters
817417c005 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.
 2017-12-09 19:31:47 +00:00
Matthew Waters
14630fac38 glcontext: add gst_gl_context_can_share 
Which determines whether two GstGLContext's can share sharable
OpenGL resources.
 2017-12-09 19:31:46 +00:00
Sebastian Dröge
9dd4f40ad6 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.
 2017-12-09 19:31:46 +00:00
Tim-Philipp Müller
9cccbb315c gl: add since markers for new API 2017-12-09 19:31:46 +00:00
Matthew Waters
4e75ceba46 glcontext: add API to retreive the thread that context is active in 2017-12-09 19:31:46 +00:00
Wang Xin-yu (王昕宇)
62bebdb4e6 gl: Add GSTGLAPI macro to the debug callback function 
Fixes the Windows build.

https://bugzilla.gnome.org/show_bug.cgi?id=735565
 2017-12-09 19:31:46 +00:00
Matthew Waters
61b95b0300 glcontext: implement the debug callback 
For both GL_KHR_debug and ARB_debug_output.  This allows us to
receive errors and other hints from the GL instead of querying after
every GL operation.
 2017-12-09 19:31:45 +00:00
Matthew Waters
4277d2742a glcontext: add a destroy function 
that just calls the subclass
 2017-12-09 19:31:45 +00:00
Sebastian Dröge
188ae1c3b0 glcontext: Handle (unlikely) NULL return of gl->GetString (GL_VERSION) more gracefully 
CID 1219858
 2017-12-09 19:31:42 +00:00
Matthew Waters
b534e7e7af glcontext: fix up assertion 
error: 'return' with no value, in function returning non-void
 2017-12-09 19:31:42 +00:00