Method CreateFromNamedSource

GTE/Graphics/GL46/GLSLProgramFactory.cpp:109–144

}

std::shared_ptr<ComputeProgram> GLSLProgramFactory::CreateFromNamedSource(
    std::string const&, std::string const& csSource)
{
    if (csSource == "")
    {
        LogError("A program must have a compute shader.");
    }

    GLuint csHandle = Compile(GL_COMPUTE_SHADER, csSource);
    if (csHandle == 0)
    {
        return nullptr;
    }

    GLuint programHandle = glCreateProgram();
    if (programHandle == 0)
    {
        LogError("Program creation failed.");
    }

    glAttachShader(programHandle, csHandle);

    if (!Link(programHandle))
    {
        glDetachShader(programHandle, csHandle);
        glDeleteShader(csHandle);
        glDeleteProgram(programHandle);
        return nullptr;
    }

    auto program = std::make_shared<GLSLComputeProgram>(programHandle, csHandle);
    GLSLReflection const& reflector = program->GetReflector();
    auto cshader = std::make_shared<GLSLShader>(reflector, GT_COMPUTE_SHADER, GLSLReflection::ReferenceType::COMPUTE);
    program->SetComputeShader(cshader);
    return program;
}

GLuint GLSLProgramFactory::Compile(GLenum shaderType, std::string const& source)
{