git.sesse.net Git - casparcg/blob - accelerator/accelerator.cpp

   1 #include "stdafx.h"
   2
   3 #include "accelerator.h"
   4
   5 #include "cpu/image/image_mixer.h"
   6 #include "ogl/image/image_mixer.h"
   7
   8 #include "ogl/util/device.h"
   9
  10 #include <tbb/mutex.h>
  11
  12 namespace caspar { namespace accelerator {
  13
  14 struct accelerator::impl
  15 {
  16         const std::wstring                              path_;
  17         tbb::mutex                                              mutex_;
  18         std::shared_ptr<ogl::device>    ogl_device_;
  19
  20         impl(const std::wstring& path)
  21                 : path_(path)
  22         {
  23         }
  24
  25         std::unique_ptr<core::image_mixer> create_image_mixer()
  26         {
  27                 try
  28                 {
  29                         if(path_ == L"gpu" || path_ == L"ogl" || path_ == L"auto" || path_ == L"default")
  30                         {
  31                                 tbb::mutex::scoped_lock lock(mutex_);
  32
  33                                 if(!ogl_device_)
  34                                         ogl_device_.reset(new ogl::device());
  35
  36                                 return std::unique_ptr<core::image_mixer>(new ogl::image_mixer(spl::make_shared_ptr(ogl_device_)));
  37                         }
  38                 }
  39                 catch(...)
  40                 {
  41                         if(path_ == L"gpu" || path_ == L"ogl")
  42                                 CASPAR_LOG_CURRENT_EXCEPTION();
  43                 }
  44
  45                 return std::unique_ptr<core::image_mixer>(new cpu::image_mixer());
  46         }
  47 };
  48
  49 accelerator::accelerator(const std::wstring& path)
  50         : impl_(new impl(path))
  51 {
  52 }
  53
  54 accelerator::~accelerator()
  55 {
  56 }
  57
  58 std::unique_ptr<core::image_mixer> accelerator::create_image_mixer()
  59 {
  60         return impl_->create_image_mixer();
  61 }
  62
  63 }}