Commit graph

33 commits

Author SHA1 Message Date
Matthew Waters
98249a57db gst: don't use volatile to mean atomic
volatile is not sufficient to provide atomic guarantees and real atomics
should be used instead.  GCC 11 has started warning about using volatile
with atomic operations.

https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1719

Discovered in https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/issues/868

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1073>
2021-03-19 04:20:19 +00:00
Marijn Suijten
abb026ec6a gl,video: Make ptrs to VideoInfo and (GL)AllocationParams immutable
These parameters are incorrectly regarded as mutable in G-IR making them
"incompatible" with languages that are explicit about mutability like
Rust. In order to clean up the code and expected API there, update the
signatures here, right at the source (instead of overriding them in
Gir.toml and hoping for the best).

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1005>
2021-01-14 11:53:10 +00:00
Matthew Waters
b60951a4fa gl: add get_type() implementations for all of our memory types
Otherwise, various bindings can't really know the type of an object as
required.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/999>
2021-01-13 13:40:58 +00:00
Marijn Suijten
0ea3279df1 gst-libs: gl: Fix documentation typo and clarify gl_memory_texsubimage
`gst_gl_memory_read_pixels` reads pixels from `GLMemory` into the
pointer, effectively writing to it. This is opposite from
`gst_gl_memory_texsubimage` which reads texture data from `read_pointer`
into `GLMemory`.

Both cases are clarified by changing `read_pointer` to `write_pointer`,
and explaining what `gst_gl_memory_texsubimage` does in addition to
referring back to `gst_gl_memory_read_pixels`.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/806>
2020-09-09 09:54:48 +00:00
Thibault Saunier
909baa2360 Pass the code through codespell 2019-08-30 13:05:36 +00:00
Seungha Yang
e48b8033e3 gl: Fix some type conversion warnings with MSVC
MSVC complained about implicit conversion between GstGLFormat* and guint*
2019-01-14 01:48:34 +00:00
Matthew Waters
396e04cf69 gl/memory: store the internal format as the texture format
Instead of having special cases at each GL texture creation, upload,
readback or copy for all non-8-bits-per-components.
Simply store the more specific format and retrieve the generic
component/type tuple from that.

Introduce a helper function for retrieving the generic GL format (RGBA,
RGB, RG, R, L, A) and type (BYTE, SHORT, SHORT_5_6_5) from a sized
GL format enum (RGBA8, RGB565, RG8, etc).
2018-05-05 21:24:25 +10:00
Julien Isorce
4952fdd956 gl: do not include GL headers in public gstgl headers
Except for gst/gl/gstglfuncs.h

It is up to the client app to include these headers.
It is coherent with the fact that gstreamer-gl.pc does not
require any egl.pc/gles.pc. I.e. it is the responsability
of the app to search these headers within its build setup.

For example gstreamer-vaapi includes explicitly EGL/egl.h
and search for it in its configure.ac.

For example with this patch, if an app includes the headers
  gst/gl/egl/gstglcontext_egl.h
  gst/gl/egl/gstgldisplay_egl.h
  gst/gl/egl/gstglmemoryegl.h
it will *no longer* automatically include EGL/egl.h and GLES2/gl2.h.
Which is good because the app might want to use the gstgl api only
without the need to bother about gl headers.

Also added a test: cd tests/check && make libs/gstglheaders.check

https://bugzilla.gnome.org/show_bug.cgi?id=784779
2017-12-09 19:32:29 +00:00
Haihua Hu
ea6bed111b glformat: fix the usage of GST_GL_RGB565
GL_RGB565 is sized internal glformat, the corresponding glformat
should be GL_RGB and type is GL_UNSIGNED_SHORT_565. Otherwise will
return GL_INVALID_ENUM when creating texture.

https://bugzilla.gnome.org/show_bug.cgi?id=783066
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
Matthew Waters
66468b4245 gl/format: use our own GL format enum's instead of gstvideo's
They can describe in more detail (such as component sizes) the requested format.
2017-12-09 19:32:27 +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
3c1c5e9d83 glcontext: remove not thread-safe get/set_error()
Use GError's instead if necessary.
2017-12-09 19:32:21 +00:00
Matthew Waters
1153684a94 glmemory: add the texture type to allocate to parameters
Rather than assuming something.  e.g. zerocopy on iOS with GLES3 requires
the use of Luminance/Luminance Alpha formats and does not work with
Red/RG textures.
2017-12-09 19:32:21 +00:00
Guillaume Desmottes
b23a008ab6 gst-libs: gl, video: use MAY_BE_LEAKED flag
https://bugzilla.gnome.org/show_bug.cgi?id=767162
2017-12-09 19:32:20 +00:00
Matthew Waters
04e92acd3b glbasememory: take a pointer as the wrapped gpu handle
Allows passing arbitrary data to wrap the the specific memory implementation
which is required for some memory implementations.
2017-12-09 19:32:19 +00:00
Matthew Waters
99dfbf8ed9 glmemorypbo: unmap pbo memory on pbo read error
Otherwise we are returning failure with a dangling map!

Also only unset the NEED_DOWNLOAD flag in download_transfer() if the read actually
succeeds.
2017-12-09 19:32:18 +00:00
Matthew Waters
18a812a30f gl*memory: document new functionality and objects 2017-12-09 19:32:17 +00:00
Matthew Waters
0cf1eaf71a glbasememory: Free the actual memory object when requested
Otherwise we are leaking ~400B on each GstMemory allocation.

Freeing in the base class matches the GObject semantics.
2017-12-09 19:32:14 +00:00
Matthew Waters
880d2798b0 glmemorypbo: don't double read pixels
The optimistic download_transfer was not setting the required flag to not
perform glReadPixels on subsequent map (READ). resulting in glReadPixels
happening twice.
2017-12-09 19:32:14 +00:00
Matthew Waters
5ba0ab3da9 glmemory: expose gst_gl_memory_texsubimage
Removes extremely similar code from glmemorypbo.
2017-12-09 19:32:14 +00:00
Matthew Waters
48fbc9e096 glmemorypbo: remove unused code
https://bugzilla.gnome.org/show_bug.cgi?id=759679
2017-12-09 19:32:14 +00:00
Matthew Waters
633c26884e glmemorypbo: fix wrapping data on GL 2.1
GL 2.1 only supports pbo upload.

The wrapped data pointer was only being set on the pbo memory and on the
glmemory so when a download was requested (in GL 2.1), glmemory was
allocating a new data pointer and thus not returning the wrapped data.
2017-12-09 19:32:14 +00:00
Matthew Waters
5aca58ce86 glmemorypbo: only create a pbo memory if the context actually supports it
e.g. GL <= 2.0 does not support pbo usage and GL 2.1 only supports pbo upload.
2017-12-09 19:32:14 +00:00
Matthew Waters
3695ab353d glmemory: small code reformat
makes the alloc_params selections fit on a single line.
2017-12-09 19:32:14 +00:00
Sebastian Dröge
45d7796949 glmemorypbo: Comment out unused functions to fix compilation with clang
It's not clear if these are intentionally unused or the code should be
changed, but this fixes compilation for the time being at least.

See https://bugzilla.gnome.org/show_bug.cgi?id=759679
2017-12-09 19:32:13 +00:00
Matthew Waters
09c8c23842 gl*memory*: reverse the parameter order of user_data and destroy notify
The convention is to have the destroy notify last after any user data
2017-12-09 19:32:13 +00:00
Matthew Waters
1673a6192f glmemorypbo: remove our own alloc()/wrapped()/etc functions
replaced by equivalent functionality within gst_gl_base_memory_alloc()
2017-12-09 19:32:13 +00:00
Matthew Waters
c870a9cdd5 glbuffer: remove unneeded gst_gl_buffer_alloc()
Replaced by gst_gl_base_memory_alloc()
2017-12-09 19:32:13 +00:00
Matthew Waters
228481da18 glmemorypbo: implement GstGLBaseMemory:alloc
Uses the GstGLVideoAllocationParams parameters
2017-12-09 19:32:12 +00:00
Matthew Waters
f83b834628 glmemorypbo: map/unmap pbo memory correctly for state tracking
Otherwise some downloads will fail to occur from the PBO.
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