Function CMP_LoadTexture

cmp_framework/compute_base.cpp:723–781

}

CMP_ERROR CMP_API CMP_LoadTexture(const char* SourceFile, CMP_MipSet* MipSetIn)
{
    CMP_RegisterHostPlugins();  // Keep for legacy, user should now use CMP_InitFramework

    CMP_CMIPS CMips;
    CMP_ERROR status = CMP_OK;

    const std::string& fn = SourceFile;

    std::string file_extension = fn.substr(fn.find_last_of('.') + 1);

    std::transform(file_extension.begin(), file_extension.end(), file_extension.begin(), toupperChar);

    PluginInterface_Image* plugin_Image;
    do
    {
        plugin_Image = reinterpret_cast<PluginInterface_Image*>(g_pluginManager.GetPlugin("IMAGE", (char*)file_extension.c_str()));
        // do the load
        if (plugin_Image == NULL)
        {
            status = CMP_ERR_PLUGIN_FILE_NOT_FOUND;
            break;
        }
        else
        {
            plugin_Image->TC_PluginSetSharedIO(&CMips);
            if (plugin_Image->TC_PluginFileLoadTexture(SourceFile, MipSetIn) != 0)
            {
                // Process Error
                delete plugin_Image;
                plugin_Image = NULL;
                status       = CMP_ERR_UNABLE_TO_LOAD_FILE;
                break;
            }

            delete plugin_Image;
            plugin_Image = NULL;
        }
    } while (0);

    // load failed: try stb lib
    if (status != CMP_OK)
    {
        status = stb_load(SourceFile, MipSetIn);
    }
    else
    {
        // Make sure MipSetIn->pData is at top mip level
        if (MipSetIn->pData == NULL)
        {
            CMP_MipLevel* pOutMipLevel = CMips.GetMipLevel(MipSetIn, 0, 0);
            MipSetIn->pData            = pOutMipLevel->m_pbData;
            MipSetIn->dwDataSize       = pOutMipLevel->m_dwLinearSize;
            MipSetIn->dwHeight         = pOutMipLevel->m_nHeight;
            MipSetIn->dwWidth          = pOutMipLevel->m_nWidth;
        }
    }
    return status;