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In order to query low level layout of GL buffer object/texture/render
buffer, previous implementation introduced an egl extension and
implemented in Beignet side. This way is broken once mesa change its
related internal code. In this patch, we use an new egl extension
(EGL_MESA_image_dma_buf_export) to query related layout infomations
of gl texture. Since this egl extension is already accepted by Khronos,
so it's a stable method. This patch just implement GL texture 2d buffer
sharing, and we will implement other target type if necessary.
v2:
Add CMake build option to enable cl_khr_gl_sharing(default off).
Clean up related CMake code.
Signed-off-by: Chuanbo Weng <chuanbo.weng@intel.com>
Reviewed-by: Yang Rong <rong.r.yang@intel.com>
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The 2 delete operators work on array pointer.
Signed-off-by: Yan Wang <yan.wang@linux.intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
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Signed-off-by: Zhigang Gong <zhigang.gong@intel.com>
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Previous implementation need to refer a EGL internal symbol.
This refinement is also a hack. It just avoid use the EGL internal
symbol, but it does use the internal EGL data structure.
Anyway, before we made some changes to gbm to support our use
model, this ugly method seems the only way to achive sharing
gl 2d/3d textures.
This patch also fix the bug when it failed to get a valid egl
context it may crash.
Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
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Based on our current progress, we plan to implement OpenCL 1.1 rather
than OpenCL 1.2 for the next release. Thus we downgrade the header file
to 1.1 in this commit.
put OpenCL 1.1 header in include/CL/
add OpenCL 1.2 defs, used by some code, by
"#ifndef CL_VERSION_1.2"
" some OpenCL 1.2 defs"
"#endif"
add OCL_CREATE_IMAGE2D, OCL_CREATE_IMAGE3D,
OCL_CREATE_GL_IMAGE2D, OCL_CREATE_GL_IMAGE3D
update test cases
Signed-off-by: Homer Hsing <homer.xing@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
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This test case creates a OCL image from a OGL texture.
Then use a OCL kernel to fill the image. Then it back
to OGL to read the pixels back and verify the color.
Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
Tested-by: Lu, Guanqun <guanqun.lu@intel.com>
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