Method showFile

tests/loadtests/vkloadtests/VulkanLoadTests.cpp:330–370

}

VulkanLoadTestSample*
VulkanLoadTests::showFile(const std::string& filename)
{
    KTX_error_code ktxresult;
    ktxTexture* kTexture;
    ktxresult = ktxTexture_CreateFromNamedFile(filename.c_str(),
                                        KTX_TEXTURE_CREATE_NO_FLAGS,
                                        &kTexture);
    if (KTX_SUCCESS != ktxresult) {
        std::stringstream message;

        message << "Creation of ktxTexture from \"" << filename
                << "\" failed: " << ktxErrorString(ktxresult);
        throw std::runtime_error(message.str());
    }

    VulkanLoadTestSample::PFN_create createViewer;
    VulkanLoadTestSample* pViewer;
    if (kTexture->numDimensions == 3)
       createViewer = Texture3d::create;
    else if (kTexture->isArray && kTexture->isCubemap) {
        // TODO: Add cubemap array app.
        std::stringstream message;
        message << "Display of cubemap array textures not yet implemented.";
        throw std::runtime_error(message.str());
    } else if (kTexture->isArray) {
        createViewer = TextureArray::create;
    } else if (kTexture->isCubemap) {
        createViewer = TextureCubemap::create;
    } else if (kTexture->numLevels > 1) {
        createViewer = TextureMipmap::create;
    } else {
        createViewer = Texture::create;
    }
    ktxTexture_Destroy(kTexture);

    // Escape any spaces in filename.
    std::string args = "--external " + std::regex_replace( filename, std::regex(" "), "\\ " );
    pViewer = createViewer(vkctx, w_width, w_height, args.c_str(), sBasePath);
    return pViewer;
}

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