Method sign

src/OpenColorIO/GpuShaderUtils.cpp:1350–1380

}

std::string GpuShaderText::sign(const std::string & v) const
{
    std::ostringstream kw;
    switch(m_lang)
    {
        case GPU_LANGUAGE_CG:
        case GPU_LANGUAGE_GLSL_1_2:
        case GPU_LANGUAGE_GLSL_1_3:
        case GPU_LANGUAGE_GLSL_4_0:
        case GPU_LANGUAGE_GLSL_VK_4_6:
        case GPU_LANGUAGE_GLSL_ES_1_0:
        case GPU_LANGUAGE_GLSL_ES_3_0:
        case GPU_LANGUAGE_HLSL_SM_5_0:
        case GPU_LANGUAGE_MSL_2_0:
        {
            kw << "sign(" << v << ");";
            break;
        }
        case LANGUAGE_OSL_1:
        {
            kw << "sign(" << float4Const(v + ".rgb.r", v + ".rgb.g",
                                         v + ".rgb.b", v + ".a") << ");";
            break;
        }
        default:
        {
            throw Exception("Unknown GPU shader language.");
        }
    }
    return kw.str();
}

std::string GpuShaderText::castToBool(const std::string& v) const
{