Method Texture

tests/loadtests/vkloadtests/Texture.cpp:59–205

}

Texture::Texture(VulkanContext& vkctx,
                 uint32_t width, uint32_t height,
                 const char* const szArgs,
                 const std::string sBasePath)
        : VulkanLoadTestSample(vkctx, width, height, sBasePath)
{
    zoom = -2.5f;
    rotation = { 0.0f, 15.0f, 0.0f };
    tiling = vk::ImageTiling::eOptimal;
    useSubAlloc = UseSuballocator::No;
    rgbcolor upperLeftColor{ 0.7f, 0.1f, 0.2f };
    rgbcolor lowerLeftColor{ 0.8f, 0.9f, 0.3f };
    rgbcolor upperRightColor{ 0.4f, 1.0f, 0.5f };
    rgbcolor lowerRightColor{ 0.0f, 0.6f, 0.1f };

    transcoded = false;

    quadColor = { upperLeftColor, lowerLeftColor,
                  upperRightColor, lowerRightColor };

    ktxVulkanDeviceInfo vdi;
    ktxVulkanDeviceInfo_Construct(&vdi, vkctx.gpu, vkctx.device,
                                  vkctx.queue, vkctx.commandPool, nullptr);

    processArgs(szArgs);

    KTX_error_code ktxresult;
    ktxTexture* kTexture;
    std::string ktxfilepath = externalFile ? ktxfilename
                                           : getAssetPath() + ktxfilename;
    ktxresult = ktxTexture_CreateFromNamedFile(ktxfilepath.c_str(),
                            KTX_TEXTURE_CREATE_NO_FLAGS,
                            &kTexture);
    if (KTX_SUCCESS != ktxresult) {
        std::stringstream message;
        
        message << "Creation of ktxTexture from \"" << ktxfilepath
                << "\" failed: " << ktxErrorString(ktxresult);
        throw std::runtime_error(message.str());
    }

    if (ktxTexture_NeedsTranscoding(kTexture)) {
        TextureTranscoder tc(vkctx);
        tc.transcode((ktxTexture2*)kTexture);
        transcoded = true;
    }
    
    vk::Format vkFormat
                = static_cast<vk::Format>(ktxTexture_GetVkFormat(kTexture));
    transcodedFormat = vkFormat;
    vk::FormatProperties properties;
    vkctx.gpu.getFormatProperties(vkFormat, &properties);
    vk::FormatFeatureFlags& features =  tiling == vk::ImageTiling::eLinear ?
                                        properties.linearTilingFeatures :
                                        properties.optimalTilingFeatures;
    vk::FormatFeatureFlags wantedFeatures =
             vk::FormatFeatureFlagBits::eSampledImage
           | vk::FormatFeatureFlagBits::eSampledImageFilterLinear;