cmake/OpenCVDetectDirectX.cmake

   1 if(WIN32)
   2   try_compile(__VALID_DIRECTX
   3     "${OpenCV_BINARY_DIR}"
   4     "${OpenCV_SOURCE_DIR}/cmake/checks/directx.cpp"
   5     OUTPUT_VARIABLE TRY_OUT
   6   )
   7   if(NOT __VALID_DIRECTX)
   8     return()
   9   endif()
  10   try_compile(__VALID_DIRECTX_NV12
  11     "${OpenCV_BINARY_DIR}"
  12     "${OpenCV_SOURCE_DIR}/cmake/checks/directx.cpp"
  13     COMPILE_DEFINITIONS "-DCHECK_NV12"
  14     OUTPUT_VARIABLE TRY_OUT
  15   )
  16   if(__VALID_DIRECTX_NV12)
  17     set(HAVE_DIRECTX_NV12 ON)
  18   else()
  19     message(STATUS "No support for DirectX NV12 format (install Windows 8 SDK)")
  20   endif()
  21   set(HAVE_DIRECTX ON)
  22   set(HAVE_D3D11 ON)
  23   set(HAVE_D3D10 ON)
  24   set(HAVE_D3D9 ON)
  25 endif()