当前位置: 首页>>代码示例>>C++>>正文


C++ PlanarYCbCrImage::AsSharedPlanarYCbCrImage方法代码示例

本文整理汇总了C++中PlanarYCbCrImage::AsSharedPlanarYCbCrImage方法的典型用法代码示例。如果您正苦于以下问题:C++ PlanarYCbCrImage::AsSharedPlanarYCbCrImage方法的具体用法?C++ PlanarYCbCrImage::AsSharedPlanarYCbCrImage怎么用?C++ PlanarYCbCrImage::AsSharedPlanarYCbCrImage使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PlanarYCbCrImage的用法示例。


在下文中一共展示了PlanarYCbCrImage::AsSharedPlanarYCbCrImage方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: autoLock

bool
ImageClientSingle::UpdateImage(ImageContainer* aContainer,
                               uint32_t aContentFlags)
{
  AutoLockImage autoLock(aContainer);

  Image *image = autoLock.GetImage();
  if (!image) {
    return false;
  }

  if (mLastPaintedImageSerial == image->GetSerial()) {
    return true;
  }

  if (image->GetFormat() == PLANAR_YCBCR) {
    EnsureTextureClient(TEXTURE_YCBCR);
    PlanarYCbCrImage* ycbcr = static_cast<PlanarYCbCrImage*>(image);

    if (ycbcr->AsSharedPlanarYCbCrImage()) {
      AutoLockTextureClient lock(mTextureClient);

      SurfaceDescriptor sd;
      if (!ycbcr->AsSharedPlanarYCbCrImage()->ToSurfaceDescriptor(sd)) {
        return false;
      }

      if (IsSurfaceDescriptorValid(*lock.GetSurfaceDescriptor())) {
        GetForwarder()->DestroySharedSurface(lock.GetSurfaceDescriptor());
      }

      *lock.GetSurfaceDescriptor() = sd;
    } else {
      AutoLockYCbCrClient clientLock(mTextureClient);

      if (!clientLock.Update(ycbcr)) {
        NS_WARNING("failed to update TextureClient (YCbCr)");
        return false;
      }
    }
  } else if (image->GetFormat() == SHARED_TEXTURE) {
    EnsureTextureClient(TEXTURE_SHARED_GL_EXTERNAL);
  
    SharedTextureImage* sharedImage = static_cast<SharedTextureImage*>(image);
    const SharedTextureImage::Data *data = sharedImage->GetData();

    SharedTextureDescriptor texture(data->mShareType,
                                    data->mHandle,
                                    data->mSize,
                                    data->mInverted);
    mTextureClient->SetDescriptor(SurfaceDescriptor(texture));
  } else if (image->GetFormat() == SHARED_RGB) {
    EnsureTextureClient(TEXTURE_SHMEM);

    nsIntRect rect(0, 0,
                   image->GetSize().width,
                   image->GetSize().height);
    UpdatePictureRect(rect);

    AutoLockTextureClient lock(mTextureClient);

    SurfaceDescriptor desc;
    if (!static_cast<SharedRGBImage*>(image)->ToSurfaceDescriptor(desc)) {
      return false;
    }
    mTextureClient->SetDescriptor(desc);
  } else {
    nsRefPtr<gfxASurface> surface = image->GetAsSurface();
    MOZ_ASSERT(surface);

    EnsureTextureClient(TEXTURE_SHMEM);

    nsRefPtr<gfxPattern> pattern = new gfxPattern(surface);
    pattern->SetFilter(mFilter);

    AutoLockShmemClient clientLock(mTextureClient);
    if (!clientLock.Update(image, aContentFlags, pattern)) {
      NS_WARNING("failed to update TextureClient");
      return false;
    }
  }

  Updated();

  if (image->GetFormat() == PLANAR_YCBCR) {
    PlanarYCbCrImage* ycbcr = static_cast<PlanarYCbCrImage*>(image);
    UpdatePictureRect(ycbcr->GetData()->GetPictureRect());
  }

  mLastPaintedImageSerial = image->GetSerial();
  aContainer->NotifyPaintedImage(image);
  return true;
}
开发者ID:,项目名称:,代码行数:93,代码来源:


注:本文中的PlanarYCbCrImage::AsSharedPlanarYCbCrImage方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。