It seems workable on my platform. and without mesa code, cl_khr_gl_sharing will be skipped.
On Mon, 2013-08-26 at 22:45 +0800, Zhigang Gong wrote: > The previous implementation is using the existing egl extension > to convert a texture to a egl image and then hack the gbm to get > the image's attributes including the layout and the drm buffer > object name then create a corresponding cl image. > > The restrications of that solution is: > 1. It doens't support buffer object/render buffer. > 2. It doesn't support non-zero mipmap level. > > To overcome the above restrications, we need to introduce a new > EGL extension to export low level attribute of texture/buffer object/ > render buffer to cl driver layer from the mesa dri driver layer. > > Unfortunately, the mesa community doesn't accept the new extension. > I have to implement it in beignet. Thus we still have to do some level > of hack here. Major including to access some _EGLXXX internal data structure > and some mesa internal data structure. So we need the mesa's source code > when you want to build beignet with cl_khr_gl_sharing support. > > You could put the mesa source code package to ~/mesa > or at the same directory of the beignet source dir, > or you can use MESA_SOURCE_DIR to specify the directory > of the mesa source code. > > If beignet can't find the mesa source code directory, cl_khr_gl_sharing > will be disabled. > > This patchset implement the texture sharing and the framework for > the buffer object/render buffer sharing. > > Zhigang Gong (2): > CL: Refactor cl_mem's implementation. > CL: Enalbe gl sharing with new egl extension. > > CMake/FindEGL.cmake | 14 ++ > src/CMakeLists.txt | 19 +- > src/cl_api.c | 44 ++-- > src/cl_command_queue.c | 16 +- > src/cl_context.h | 3 + > src/cl_driver.h | 66 +++--- > src/cl_driver_defs.c | 10 +- > src/cl_driver_type.h | 24 +++ > src/cl_enqueue.c | 19 +- > src/cl_extensions.c | 22 +- > src/cl_extensions.h | 25 --- > src/cl_kernel.c | 4 +- > src/cl_khr_icd.h | 4 + > src/cl_mem.c | 165 +++++++++------ > src/cl_mem.h | 111 ++++++++-- > src/cl_mem_gl.c | 194 +++--------------- > src/cl_utils.h | 10 +- > src/intel/intel_dri_resource_sharing.c | 208 +++++++++++++++++++ > src/intel/intel_dri_resource_sharing.h | 39 ++++ > src/intel/intel_dri_resource_sharing_int.h | 143 +++++++++++++ > src/intel/intel_driver.c | 224 +++++++++++++++----- > src/intel/intel_driver.h | 6 - > src/x11/dricommon.h | 5 - > src/x11/gbm_deps/backend.h | 36 ---- > src/x11/gbm_deps/common.h | 42 ---- > src/x11/gbm_deps/common_drm.h | 48 ----- > src/x11/gbm_deps/gbm.h | 292 -------------------------- > src/x11/gbm_deps/gbm_driint.h | 108 ---------- > src/x11/gbm_deps/gbmint.h | 116 ----------- > src/x11/gbm_dri2_x11_platform.c | 126 ------------ > src/x11/mesa_egl_extension.c | 307 > ++++++++++++++++++++++++++++ > src/x11/mesa_egl_extension.h | 20 ++ > src/x11/mesa_egl_res_share.c | 135 ++++++++++++ > src/x11/mesa_egl_res_share.h | 44 ++++ > utests/CMakeLists.txt | 4 +- > utests/utest_helper.cpp | 25 ++- > 36 files changed, 1459 insertions(+), 1219 deletions(-) > create mode 100644 src/cl_driver_type.h > create mode 100644 src/intel/intel_dri_resource_sharing.c > create mode 100644 src/intel/intel_dri_resource_sharing.h > create mode 100644 src/intel/intel_dri_resource_sharing_int.h > delete mode 100644 src/x11/gbm_deps/backend.h > delete mode 100644 src/x11/gbm_deps/common.h > delete mode 100644 src/x11/gbm_deps/common_drm.h > delete mode 100644 src/x11/gbm_deps/gbm.h > delete mode 100644 src/x11/gbm_deps/gbm_driint.h > delete mode 100644 src/x11/gbm_deps/gbmint.h > delete mode 100644 src/x11/gbm_dri2_x11_platform.c > create mode 100644 src/x11/mesa_egl_extension.c > create mode 100644 src/x11/mesa_egl_extension.h > create mode 100644 src/x11/mesa_egl_res_share.c > create mode 100644 src/x11/mesa_egl_res_share.h > _______________________________________________ Beignet mailing list Beignet@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/beignet
