Hi Rebecca,
cl_khr_gl_sharing is partially supported (the most commonly used part).
I have just sent out a patchset that show how to use
cl_khr_gl_sharing on Beignet. The patchset also detect GL and EGL version and
turn cl_khr_gl_sharing ON if version >= 13.0.0.
So the first hunk of your patch is not necessary now. And you can write
a new version of docs/Beignet.mdwn. (If you don't
plan to, I can write a patch for docs/Beignet.mdwn for you). Thanks!
-----Original Message-----
From: Beignet [mailto:[email protected]] On Behalf Of
Rebecca N. Palmer
Sent: Monday, January 23, 2017 6:59 AM
To: [email protected]; [email protected]; Bruno Pagani
<[email protected]>
Subject: [Beignet] [PATCH] Clarify status of cl_khr_gl_sharing
Signed-off-by: Rebecca N. Palmer <[email protected]>
---
> -The release notes say cl_khr_gl_sharing is now supported, but
> docs/Beignet.mdwn still says it isn't.
It exists but is off by default, probably because it isn't finished:
clEnqueueAcquireGLObjects / clEnqueueReleaseGLObjects are no-ops, and
clGetGLObjectInfo / clGetGLTextureInfo are missing entirely.
diff --git a/CMakeLists.txt b/CMakeLists.txt index 59abc45..7c01488 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -195,7 +195,7 @@ ELSE(XFIXES_FOUND)
ENDIF(XFIXES_FOUND)
ENDIF(X11_FOUND)
-OPTION(ENABLE_GL_SHARING "cl_khr_gl_sharing" OFF)
+OPTION(ENABLE_GL_SHARING "Enable (incomplete) cl_khr_gl_sharing" OFF)
IF(ENABLE_GL_SHARING)
pkg_check_modules(OPENGL REQUIRED gl) diff --git a/docs/Beignet.mdwn
b/docs/Beignet.mdwn index 5c62b4c..3577d57 100644
--- a/docs/Beignet.mdwn
+++ b/docs/Beignet.mdwn
@@ -222,10 +222,8 @@ Known Issues
This loses some precision but gains performance.
* cl\_khr\_gl\_sharing.
- This extension highly depends on mesa support. It seems that mesa would not
provide
- such type of extensions, we may have to hack with mesa source code to
support this
- extension. This feature used to work with a previous mesa git version. But
now, it's
- simply broken.
+ This extension is disabled by default, as it is only partially implemented.
+ It can be enabled by passing -DENABLE_GL_SHARING=ON to cmake.
Project repository
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