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C++ CTextureMap::GetMemoryUsage方法代码示例

本文整理汇总了C++中CTextureMap::GetMemoryUsage方法的典型用法代码示例。如果您正苦于以下问题:C++ CTextureMap::GetMemoryUsage方法的具体用法?C++ CTextureMap::GetMemoryUsage怎么用?C++ CTextureMap::GetMemoryUsage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CTextureMap的用法示例。


在下文中一共展示了CTextureMap::GetMemoryUsage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: lock


//.........这里部分代码省略.........
    }
    else if (StringUtils::EndsWithNoCase(strPath, ".gif") ||
             StringUtils::EndsWithNoCase(strPath, ".apng"))
    {
        CTextureMap* pMap = nullptr;

        std::string mimeType;
        if (StringUtils::EndsWithNoCase(strPath, ".gif"))
            mimeType = "image/gif";
        else if (StringUtils::EndsWithNoCase(strPath, ".apng"))
            mimeType = "image/apng";

        XFILE::CFile file;
        XFILE::auto_buffer buf;
        CFFmpegImage anim(mimeType);
        pMap = new CTextureMap(strTextureName, 0, 0, 0);

        if (file.LoadFile(strPath, buf) <= 0 ||
                !anim.Initialize((uint8_t*)buf.get(), buf.size()) || !pMap)
        {
            CLog::Log(LOGERROR, "Texture manager unable to load file: %s", CURL::GetRedacted(strPath).c_str());
            file.Close();
            return emptyTexture;
        }

        unsigned int maxWidth = 0;
        unsigned int maxHeight = 0;
        uint64_t maxMemoryUsage = 91238400;// 1920*1080*4*11 bytes, i.e, a total of approx. 12 full hd frames

        auto frame = anim.ReadFrame();
        while (frame)
        {
            CTexture *glTexture = new CTexture();
            if (glTexture)
            {
                glTexture->LoadFromMemory(anim.Width(), anim.Height(), frame->GetPitch(), XB_FMT_A8R8G8B8, true, frame->m_pImage);
                pMap->Add(glTexture, frame->m_delay);
                maxWidth = std::max(maxWidth, glTexture->GetWidth());
                maxHeight = std::max(maxHeight, glTexture->GetHeight());
            }

            if (pMap->GetMemoryUsage() <= maxMemoryUsage)
            {
                frame = anim.ReadFrame();
            }
            else
            {
                CLog::Log(LOGDEBUG, "Memory limit (%" PRIu64 " bytes) exceeded, %i frames extracted from file : %s", (maxMemoryUsage/11)*12,pMap->GetTexture().size(), CURL::GetRedacted(strPath).c_str());
                break;
            }
        }

        pMap->SetWidth((int)maxWidth);
        pMap->SetHeight((int)maxHeight);

        file.Close();

        if (pMap)
        {
            m_vecTextures.push_back(pMap);
            return pMap->GetTexture();
        }
    }

    CBaseTexture *pTexture = NULL;
    int width = 0, height = 0;
    if (bundle >= 0)
    {
        if (!m_TexBundle[bundle].LoadTexture(strTextureName, &pTexture, width, height))
        {
            CLog::Log(LOGERROR, "Texture manager unable to load bundled file: %s", strTextureName.c_str());
            return emptyTexture;
        }
    }
    else
    {
        pTexture = CBaseTexture::LoadFromFile(strPath);
        if (!pTexture)
            return emptyTexture;
        width = pTexture->GetWidth();
        height = pTexture->GetHeight();
    }

    if (!pTexture) return emptyTexture;

    CTextureMap* pMap = new CTextureMap(strTextureName, width, height, 0);
    pMap->Add(pTexture, 100);
    m_vecTextures.push_back(pMap);

#ifdef _DEBUG_TEXTURES
    int64_t end, freq;
    end = CurrentHostCounter();
    freq = CurrentHostFrequency();
    char temp[200];
    sprintf(temp, "Load %s: %.1fms%s\n", strPath.c_str(), 1000.f * (end - start) / freq, (bundle >= 0) ? " (bundled)" : "");
    OutputDebugString(temp);
#endif

    return pMap->GetTexture();
}
开发者ID:deniscostadsc,项目名称:xbmc,代码行数:101,代码来源:TextureManager.cpp


注:本文中的CTextureMap::GetMemoryUsage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。