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6fb0c7b928
Add an example code for external CUDA context sharing and gst_cuda_memory_sync() Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6864>
68 lines
1.7 KiB
Meson
68 lines
1.7 KiB
Meson
if not gstcuda_dep.found()
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subdir_done()
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endif
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cuda_deps = []
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cuda_inc_dir = []
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if host_system == 'windows'
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cuda_path = run_command(python3, '-c', 'import os; print(os.environ.get("CUDA_PATH"))', check: false).stdout().strip()
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if cuda_path in ['', 'None']
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subdir_done()
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endif
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cuda_inc_dir = include_directories(join_paths(cuda_path, 'include'))
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if not cc.has_header('cuda.h', include_directories: cuda_inc_dir)
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subdir_done()
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endif
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else
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# NOTE: meson dependency('cuda', version: '>=10'...) will return CUDA runtime
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# library but we want to use CUDA driver API. Iterates
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cuda_versions = [
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'12.4',
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'12.3',
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'12.2',
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'12.1',
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'12.0',
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'11.8',
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'11.8',
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'11.7',
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'11.6',
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'11.5',
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'11.4',
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'11.2',
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'11.1',
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'11.0',
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'10.2',
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'10.1',
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'10.0',
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]
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cuda_dep = dependency('', required: false)
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foreach ver : cuda_versions
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cuda_dep = dependency('cuda-@0@'.format(ver), required: false)
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if cuda_dep.found()
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break
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endif
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endforeach
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if not cuda_dep.found()
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subdir_done()
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endif
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cuda_deps = [cuda_dep.partial_dependency(includes : true, compile_args: true)]
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endif
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gl_header_dep = dependency('', fallback : ['gl-headers', 'gl_headers_dummy_dep'],
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required : false)
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if gl_header_dep.type_name() == 'internal'
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# this will only contain the includes of headers that are not found
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compat_includes = subproject('gl-headers').get_variable('compatibility_includes')
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else
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compat_includes = []
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endif
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executable('cudamemory-sync', 'cudamemory-sync.c',
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include_directories : [configinc] + compat_includes + cuda_inc_dir,
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dependencies: [gst_dep, gstvideo_dep, gstcuda_dep, gl_header_dep] + cuda_deps,
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c_args : gst_plugins_bad_args + ['-DGST_USE_UNSTABLE_API'],
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install: false)
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