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if(WIN32)
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try_compile(__VALID_DIRECTX
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"${OpenCV_BINARY_DIR}"
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"${OpenCV_SOURCE_DIR}/cmake/checks/directx.cpp"
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OUTPUT_VARIABLE TRY_OUT
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)
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if(NOT __VALID_DIRECTX)
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return()
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endif()
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try_compile(__VALID_DIRECTX_NV12
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"${OpenCV_BINARY_DIR}"
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"${OpenCV_SOURCE_DIR}/cmake/checks/directx.cpp"
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COMPILE_DEFINITIONS "-DCHECK_NV12"
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OUTPUT_VARIABLE TRY_OUT
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)
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if(__VALID_DIRECTX_NV12)
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set(HAVE_DIRECTX_NV12 ON)
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else()
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message(STATUS "No support for DirectX NV12 format (install Windows 8 SDK)")
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endif()
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set(HAVE_DIRECTX ON)
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set(HAVE_D3D11 ON)
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set(HAVE_D3D10 ON)
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set(HAVE_D3D9 ON)
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if(HAVE_OPENCL AND WITH_OPENCL_D3D11_NV AND EXISTS "${OPENCL_INCLUDE_DIR}/CL/cl_d3d11_ext.h")
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set(HAVE_OPENCL_D3D11_NV ON)
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endif()
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endif()
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