Method lerp

src/OpenColorIO/GpuShaderUtils.cpp:1113–1145

}

std::string GpuShaderText::lerp(const std::string & x, 
                                const std::string & y, 
                                const std::string & a) const
{
    std::ostringstream kw;
    switch (m_lang)
    {
        case LANGUAGE_OSL_1:
        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_MSL_2_0:
        {
            kw << "mix(" << x << ", " << y << ", " << a << ")";
            break;
        }
        case GPU_LANGUAGE_CG:
        case GPU_LANGUAGE_HLSL_SM_5_0:
        {
            kw << "lerp(" << x << ", " << y << ", " << a << ")";
            break;
        }

        default:
        {
            throw Exception("Unknown GPU shader language.");
        }
    }
    return kw.str();
}

std::string GpuShaderText::float3GreaterThan(const std::string & a,
                                             const std::string & b) const