This patch enables an EGL extension, EGL_KHR_reusable_sync.
This new extension basically provides a way for multiple APIs or
threads to be excuted synchronously via a "reusable sync"
primitive shared by those threads/API calls.
This was implemented based on the specification at
https://www.khronos.org/registry/egl/extensions/KHR/EGL_KHR_reusable_sync.txt
v2
- use thread functions defined in C11/threads.h instead of
using direct pthread calls
- make the timeout set with reference to CLOCK_MONOTONIC
- cleaned up the way expiration time is calculated
- (bug fix) in dri2_client_wait_sync, case EGL_SYNC_CL_EVENT_KHR
has been added.
- (bug fix) in dri2_destroy_sync, return from cond_broadcast
call is now stored in 'err' intead of 'ret' to prevent 'ret'
from being reset to 'EGL_FALSE' even in successful case
- corrected minor syntax problems
v3
- dri2_egl_unref_sync now became 'void' type. No more error check
is needed for this function call as a result.
- (bug fix) resolved issue with duplicated unlocking of display in
eglClientWaitSync when type of sync is "EGL_KHR_REUSABLE_SYNC"
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
This is used by Android to select an eglconfig compatible with screen
recording.
Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Rob Herring <robh@kernel.org>
[Emil Velikov: add the _eglIsConfigAttribValid check]
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
This is used by Android to select an eglconfig compatible with HWComposer.
Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Rob Herring <robh@kernel.org>
[Emil Velikov: add the _eglIsConfigAttribValid check]
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Null-check on "*value" is currently done in _eglGetSyncAttrib, which is
after eglGetSyncAttribKHR dereferences it.
Move the check a layer up (in the beginning of eglGetSyncAttribKHR) to
avoid segfaults.
Cc: "11.0 11.1" <mesa-stable@lists.freedesktop.org
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
[Emil Velikov: tweak commit message, add stable tag]
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Support for Windows has been removed for a while now, and virtually
every POSIX compliant system provides strcasecmp, strdup and snprintf.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
There's no driver support yet, because EGL_KHR_gl_colorspace isn't
implemented.
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Chad Versace <chad.versace@intel.com>
These are just wrappers around the existing extension functions.
v2: return BAD_ALLOC if _eglConvertAttribsToInt fails
Reviewed-by: Chad Versace <chad.versace@intel.com>
v2: - don't modify "value" in eglGetSyncAttribKHR after an error
- rename _egl_api::GetSyncAttribKHR -> GetSyncAttrib
- rename GetSyncAttribKHR_t -> GetSyncAttrib_t
- rename _eglGetSyncAttribKHR to _eglGetSyncAttrib
Reviewed-by: Chad Versace <chad.versace@intel.com>
Declare the functions without the suffix, so that the core names are exported.
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Chad Versace <chad.versace@intel.com>
With earlier commit (7a58262e58 egl: Remove skeleton implementation of
EGL_MESA_screen_surface) we've removed the skeleton implementation of
eglCopyContextMESA(). Just like EGL_MESA_screen_surface this extension
was never implemented in mesa.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
The extension requires that the address of the core functions should be
available via eglGetProcAddress. Currently the list is guarded by
_EGL_GET_CORE_ADDRESSES, which was only set for the scons (windows)
build.
Unconditionally enable it for all the builds (automake, android and
haiku) considering that the extension is not platform specific and is
always enabled.
v2: Drop the _EGL_GET_CORE_ADDRESSES macro altogether.
Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
s/EGL_MESA_dma_buf_image_export/EGL_MESA_image_dma_buf_export as defined by the spec
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Chad Versace <chad.versace@intel.com>
The EGL 1.3, 1.4 and 1.5 spec (as quoted below) explicitly mentions that
providing static symbols for functions provided by EGL extensions is not
portable. Considering that relatively recently we've seen a non-mesa
desktop EGL implementation, the fact that we opt for such behaviour has
gone unnoticed.
From the EGL 1.5 specification:
For functions that are queryable with eglGetProcAddress,
implementations may choose to also export those functions
statically from the object libraries implementing those
functions. However, portable clients cannot rely on this
behavior.
To encourage devs against writing such non-portable code, let's hide the
symbols similar to the official binary driver from NVIDIA.
v2: Quote the EGL 1.5 spec, as suggested by Chad.
Cc: Brian Paul <brianp@vmware.com>
Cc: Chad Versace <chad.versace@intel.com>
Cc: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Chad Versace <chad.versace@intel.com>
No backend wires this up to anything, and the extension spec has been
marked obsolete for 4+ years.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>
After talking to Jon Leech he suggested this should be fine.
update spec to the version in the registry.
Signed-off-by: Dave Airlie <airlied@redhat.com>
At the moment to get an EGL image to a dma-buf file descriptor,
you have to use EGL_MESA_drm_image, and then use libdrm to
convert this to a file descriptor.
This extension just provides an API modelled on EGL_MESA_drm_image,
to return a dma-buf file descriptor.
v2: update spec for new API proposal
add internal queries to get the fourcc back from intel driver.
v2.1: add gallium pieces.
v2.2: add offsets to spec and API, rename fd->fds, stride->strides
in API. rewrite spec a bit more, add some q/a
v2.3:
add modifiers to query interface and 64-bit type for that (Daniel Stone)
specifiy what happens to num fds vs num planes differences. (Chad Versace)
v2.4:
fix grammar (Daniel Stone)
Signed-off-by: Dave Airlie <airlied@redhat.com>
We never reset the string on eglTerminate, so it grows
for ever on multiple eglInitialise.
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Creating/recreating the strings in eglQueryString() is extra work and
isn't thread-safe, as exhibited by shader-db's run.c using libepoxy.
Multiple threads in run.c call eglReleaseThread() around the same time.
libepoxy calls eglQueryString() to determine whether eglReleaseThread()
exists, and our EGL implementation passes a pointer to the version
string to libepoxy while simultaneously overwriting the string, leading
to a failure in libepoxy.
Moreover, the EGL spec says (emphasis mine):
"eglQueryString returns a pointer to a *static*, zero-terminated string"
This patch moves some auxiliary functions from eglmisc.c to eglapi.c so
that they may be used to create the extension, API, and version strings
once during eglInitialize(). The auxiliary functions are renamed from
_eglUpdate* to _eglCreate*, and some checks made unnecessary by calling
the functions from eglInitialize() are removed.
Reviewed-by: Chad Versace <chad.versace@intel.com>
The latter is a C99 standard, and our current wrapper c99_compat.h
should handle non-compliant compilers.
Drop the c99_compat.h inclusion from eglcompiler.h altogether, as it's
no longer required.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Drop the custom keyword in favour of the C99 one. All the places using
it now directly include c99_compat.h which should handle things on
platforms which lack it.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
* This is the cleaned up work of the Haiku GCI student
Adrián Arroyo Calle adrian.arroyocalle@gmail.com
* Several patches were consolidated to prevent
unnecessary touching of non-related code
We have customers using NULL as a way to test the robustness of the API.
Without this check, EGL will segfault trying to dereference
dri2_surf->wl_win->private because wl_win is NULL.
This fix adds a check and sets EGL_BAD_NATIVE_WINDOW
v2: Incorporated feedback from idr - moved the check to a higher level
function.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
Cc: "10.1 10.2" <mesa-stable@lists.freedesktop.org>
EGL 1.4 Specification says that
eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)
can be used to release the current thread's ownership on the surfaces
and context.
MESA's egl implementation was only accepting the parameters when the
KHR_surfaceless_context extension is supported.
[chadv] Add quote from the EGL 1.4 spec.
Cc: "10,1, 10.2" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
Chromium defined a new GL extension (that isn't registered with Khronos).
We need to add an EGL extension for it, so we can migrate ChromeOS on
Intel systems to use EGL instead of GLX.
http://git.chromium.org/gitweb/?p=chromium/src/third_party/khronos.git;a=commitdiff;h=27cbfdab35c601f70aa150581ad1448d0401f447
The EGL_CHROMIUM_sync_control extension is similar to the GLX extension
OML_sync_control, but only defines one function,
eglGetSyncValuesCHROMIUM, which is equivalent to glXGetSyncValuesOML.
http://www.opengl.org/registry/specs/OML/glx_sync_control.txt
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Cc: Jamey Sharp <jamey@minilop.net>
Cc: Ian Romanick <idr@freedesktop.org>
Cc: Stéphane Marchesin <stephane.marchesin@gmail.com>
Enable EGL_EXT_platform_base and the Linux platform extensions layered
atop it: EGL_EXT_platform_x11, EGL_EXT_platform_wayland,
and EGL_MESA_platform_gbm.
Tested with Piglit's EGL_EXT_platform_base tests under an X11 session.
To enable running the Wayland and GBM tests, windowed Weston was running
and the kernel had render nodes enabled.
I regression tested my EGL_EXT_platform_base patch set with Piglit on
Ivybridge under X11/EGL, standalone Weston, and GBM with rendernodes. No
regressions found.
Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
Internally, much of the EGL code uses EGLNativeDisplayType,
EGLNativeWindowType, and EGLPixmapType. However, the EGLNative type
often does not match the variable's actual type.
The concept of EGLNative types are a bad match for Linux, as explained
below. And the EGL platform extensions don't use EGLNative types at all.
Those extensions attempt to solve cross-platform issues by moving the
EGL API away from the EGLNative types.
The core of the problem is that eglplatform.h can define each EGLNative
type once only, but Linux supports multiple EGL platforms.
To work around the problem, Mesa's eglplatform.h contains multiple
definitions of each EGLNative type, selected by feature macros. Mesa
expects EGL clients to set the feature macro approrpiately. But the
feature macros don't work when a single codebase must be built with
support for multiple EGL platforms, *such as Mesa itself*.
When building libEGL, autotools chooses the EGLNative typedefs based on
the first element of '--with-egl-platforms'. For example,
'--with-egl-platforms=x11,drm,wayland' defines the following:
typedef Display* EGLNativeDisplayType;
typedef Window EGLNativeWindowType;
typedef Pixmap EGLNativePixmapType;
Clearly, this doesn't work well for Wayland and GBM. Mesa works around
the problem by casting the EGLNative types to different things in
different files.
For sanity's sake, and to prepare for the EGL platform extensions, this
patch removes from egl/main and egl/dri2 all internal use of the
EGLNative types. It replaces them with 'void*' and checks each explicit
cast with a static assertion. Also, the patch touches egl_gallium the
minimal amount to keep it compatible with eglapi.h.
Signed-off-by: Chad Versace <chad.versace@linux.intel.com>
This extension provides a way for an application to render to multiple
surfaces with different buffer formats without having to use multiple
contexts. An EGLContext can be created without an EGLConfig by passing
EGL_NO_CONFIG_MESA. In that case there are no restrictions on the surfaces
that can be used with the context apart from that they must be using the same
EGLDisplay.
_mesa_initialze_context can now take a NULL gl_config which will mark the
context as ‘configless’. It will memset the visual to zero in that case.
Previously the i965 and i915 drivers were explicitly creating a zeroed visual
whenever 0 is passed for the EGLConfig. Mesa needs to be aware that the
context is configless because it affects the initial value to use for
glDrawBuffer. The first time the context is bound it will set the initial
value for configless contexts depending on whether the framebuffer used is
double-buffered.
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
In eglCreateContext there is a check for whether the config parameter is zero
and in this case it will avoid reporting an error if the
EGL_KHR_surfacless_context extension is supported. However there is nothing in
that extension which says you can create a context without a config and Mesa
breaks if you try this so it is probably better to leave it reporting an
error.
The original check was added in b90a3e7d8b based on the API-specific
extensions EGL_KHR_surfaceless_opengl/gles1/gles2. This was later changed to
refer to EGL_KHR_surfacless_context in b50703aea5. Perhaps the original
extensions specified a configless context but the new one does not.
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Tungsten Graphics Inc. was acquired by VMware Inc. in 2008. Leaving the
old copyright name is creating unnecessary confusion, hence this change.
This was the sed script I used:
$ cat tg2vmw.sed
# Run as:
#
# git reset --hard HEAD && find include scons src -type f -not -name 'sed*' -print0 | xargs -0 sed -i -f tg2vmw.sed
#
# Rename copyrights
s/Tungsten Gra\(ph\|hp\)ics,\? [iI]nc\.\?\(, Cedar Park\)\?\(, Austin\)\?\(, \(Texas\|TX\)\)\?\.\?/VMware, Inc./g
/Copyright/s/Tungsten Graphics\(,\? [iI]nc\.\)\?\(, Cedar Park\)\?\(, Austin\)\?\(, \(Texas\|TX\)\)\?\.\?/VMware, Inc./
s/TUNGSTEN GRAPHICS/VMWARE/g
# Rename emails
s/alanh@tungstengraphics.com/alanh@vmware.com/
s/jens@tungstengraphics.com/jowen@vmware.com/g
s/jrfonseca-at-tungstengraphics-dot-com/jfonseca-at-vmware-dot-com/
s/jrfonseca\?@tungstengraphics.com/jfonseca@vmware.com/g
s/keithw\?@tungstengraphics.com/keithw@vmware.com/g
s/michel@tungstengraphics.com/daenzer@vmware.com/g
s/thomas-at-tungstengraphics-dot-com/thellstom-at-vmware-dot-com/
s/zack@tungstengraphics.com/zackr@vmware.com/
# Remove dead links
s@Tungsten Graphics (http://www.tungstengraphics.com)@Tungsten Graphics@g
# C string src/gallium/state_trackers/vega/api_misc.c
s/"Tungsten Graphics, Inc"/"VMware, Inc"/
Reviewed-by: Brian Paul <brianp@vmware.com>
This adds an extension called EGL_WL_create_wayland_buffer_from_image
which adds the following single function:
struct wl_buffer *
eglCreateWaylandBufferFromImageWL(EGLDisplay dpy, EGLImageKHR image);
The function creates a wl_buffer which shares its contents with the given
EGLImage. The expected use case for this is in a nested Wayland compositor
which is using subsurfaces to present buffers from its clients. Using this
extension it can attach the client buffers directly to the subsurface without
having to blit the contents into an intermediate buffer. The compositing can
then be done in the parent compositor.
The extension is only implemented in the Wayland EGL platform because of
course it wouldn't make sense anywhere else.
