already_AddRefed<TextureHost>
CreateTextureHostOGL(const SurfaceDescriptor& aDesc,
                     ISurfaceAllocator* aDeallocator,
                     TextureFlags aFlags)
{
  RefPtr<TextureHost> result;
  switch (aDesc.type()) {
    case SurfaceDescriptor::TSurfaceDescriptorBuffer: {
      result = CreateBackendIndependentTextureHost(aDesc,
                                                   aDeallocator, aFlags);
      break;
    }

#ifdef MOZ_WIDGET_ANDROID
    case SurfaceDescriptor::TSurfaceTextureDescriptor: {
      const SurfaceTextureDescriptor& desc = aDesc.get_SurfaceTextureDescriptor();
      result = new SurfaceTextureHost(aFlags,
                                      (AndroidSurfaceTexture*)desc.surfTex(),
                                      desc.size());
      break;
    }
#endif

    case SurfaceDescriptor::TEGLImageDescriptor: {
      const EGLImageDescriptor& desc = aDesc.get_EGLImageDescriptor();
      result = new EGLImageTextureHost(aFlags,
                                       (EGLImage)desc.image(),
                                       (EGLSync)desc.fence(),
                                       desc.size(),
                                       desc.hasAlpha());
      break;
    }

#ifdef XP_MACOSX
    case SurfaceDescriptor::TSurfaceDescriptorMacIOSurface: {
      const SurfaceDescriptorMacIOSurface& desc =
        aDesc.get_SurfaceDescriptorMacIOSurface();
      result = new MacIOSurfaceTextureHostOGL(aFlags, desc);
      break;
    }
#endif

#ifdef MOZ_WIDGET_GONK
    case SurfaceDescriptor::TSurfaceDescriptorGralloc: {
      const SurfaceDescriptorGralloc& desc =
        aDesc.get_SurfaceDescriptorGralloc();
      result = new GrallocTextureHostOGL(aFlags, desc);
      break;
    }
#endif

#ifdef GL_PROVIDER_GLX
    case SurfaceDescriptor::TSurfaceDescriptorX11: {
      const auto& desc = aDesc.get_SurfaceDescriptorX11();
      result = new X11TextureHost(aFlags, desc);
      break;
    }
#endif

    case SurfaceDescriptor::TSurfaceDescriptorSharedGLTexture: {
      const auto& desc = aDesc.get_SurfaceDescriptorSharedGLTexture();
      result = new GLTextureHost(aFlags, desc.texture(),
                                 desc.target(),
                                 (GLsync)desc.fence(),
                                 desc.size(),
                                 desc.hasAlpha());
      break;
    }
    default: return nullptr;
  }
  return result.forget();
}
already_AddRefed<TextureHost>
CreateTextureHostOGL(const SurfaceDescriptor& aDesc,
                     ISurfaceAllocator* aDeallocator,
                     LayersBackend aBackend,
                     TextureFlags aFlags)
{
  RefPtr<TextureHost> result;
  switch (aDesc.type()) {
    case SurfaceDescriptor::TSurfaceDescriptorBuffer: {
      result = CreateBackendIndependentTextureHost(aDesc,
                                                   aDeallocator,
                                                   aBackend,
                                                   aFlags);
      break;
    }

#ifdef MOZ_WIDGET_ANDROID
    case SurfaceDescriptor::TSurfaceTextureDescriptor: {
      const SurfaceTextureDescriptor& desc = aDesc.get_SurfaceTextureDescriptor();
      java::GeckoSurfaceTexture::LocalRef surfaceTexture = java::GeckoSurfaceTexture::Lookup(desc.handle());

      result = new SurfaceTextureHost(aFlags,
                                      surfaceTexture,
                                      desc.size(),
                                      desc.format(),
                                      desc.continuous(),
                                      desc.ignoreTransform());
      break;
    }
#endif

    case SurfaceDescriptor::TEGLImageDescriptor: {
      const EGLImageDescriptor& desc = aDesc.get_EGLImageDescriptor();
      result = new EGLImageTextureHost(aFlags,
                                       (EGLImage)desc.image(),
                                       (EGLSync)desc.fence(),
                                       desc.size(),
                                       desc.hasAlpha());
      break;
    }

#ifdef XP_MACOSX
    case SurfaceDescriptor::TSurfaceDescriptorMacIOSurface: {
      const SurfaceDescriptorMacIOSurface& desc =
        aDesc.get_SurfaceDescriptorMacIOSurface();
      result = new MacIOSurfaceTextureHostOGL(aFlags, desc);
      break;
    }
#endif

#ifdef GL_PROVIDER_GLX
    case SurfaceDescriptor::TSurfaceDescriptorX11: {
      const auto& desc = aDesc.get_SurfaceDescriptorX11();
      result = new X11TextureHost(aFlags, desc);
      break;
    }
#endif

    case SurfaceDescriptor::TSurfaceDescriptorSharedGLTexture: {
      const auto& desc = aDesc.get_SurfaceDescriptorSharedGLTexture();
      result = new GLTextureHost(aFlags, desc.texture(),
                                 desc.target(),
                                 (GLsync)desc.fence(),
                                 desc.size(),
                                 desc.hasAlpha());
      break;
    }
    default: return nullptr;
  }
  return result.forget();
}