Function main

examples/framework_example4/framework_example4.cpp:88–236

}

int main(int argc, char* argv[])
{
    bool bAbortCompression = false;

    if (argc < 4)
    {
        std::printf("Example4.exe SourceFile DestFile Quality\n");
        std::printf("This example shows how to compress a single image\n");
        std::printf("to a compression format using a quality setting with OpenCL BC1 shaders\n");
        std::printf("folders plugin/compute is required when encoding with OLC and DXC, see sample source notes.\n");
        std::printf("usage: Example4.exe ruby.dds ruby_bc1.dds 1.0\n");
        std::printf("this will generate a high quality compressed ruby file in BC1 format\n");
        return 0;
    }

    // please note the params are not checked for errors
    const char* pszSourceFile = argv[1];
    const char* pszDestFile   = argv[2];
    CMP_FLOAT   fQuality;
    try
    {
        fQuality = std::stof(argv[3]);
        if (fQuality < 0.0f)
        {
            fQuality = 0.0f;
            std::printf("Warning: Quality setting is out of range using 0.0\n");
        }
        if (fQuality > 1.0f)
        {
            fQuality = 1.0f;
            std::printf("Warning: Quality setting is out of range using 1.0\n");
        }
    }
    catch (...)
    {
        std::printf("Error: Unable to process quality setting\n");
        return -1;
    }

    //--------------------------
    // Init frameworks
    // plugin and IO interfaces
    //--------------------------
    CMP_InitFramework();

    //=================================================================================
    // You can optionally use a 4th argv to set a destFormat other then the example BC7
    // just additional encoder dll's is in the example binary path.
    // example: to use BC1 add CMP_BC1_MD.dll.
    // You can edit CopyFiles.bat to add additional libs to the correct build folders of this application.
    //
    // CMP_FORMAT      destFormat    = CMP_ParseFormat(argv[4]);
    //===================================================================================
    CMP_FORMAT destFormat = CMP_FORMAT_BC1;

    //-------------------------------------------------------------------------------------------------------
    // Load the image, CMP_LoadTexture supports DDS, std_image and all compressonator runtime image plugins
    //-------------------------------------------------------------------------------------------------------