Method GLSLReflection

GTE/Graphics/GL46/GLSLReflection.cpp:14–55

using namespace gte;

GLSLReflection::GLSLReflection(GLuint handle)
    :
    mHandle(handle)
{
    std::string vendor(reinterpret_cast<char const*>(glGetString(GL_VENDOR)));
    mVendorIsIntel = (vendor == "Intel");
    mShaderTypeMap.insert(std::make_pair(GL_VERTEX_SHADER, 3));
    mShaderTypeMap.insert(std::make_pair(GL_GEOMETRY_SHADER, 4));
    mShaderTypeMap.insert(std::make_pair(GL_FRAGMENT_SHADER, 5));
    mShaderTypeMap.insert(std::make_pair(GL_COMPUTE_SHADER, 6));
    mShaderTypeMap.insert(std::make_pair(GL_TESS_CONTROL_SHADER, 7));
    mShaderTypeMap.insert(std::make_pair(GL_TESS_EVALUATION_SHADER, 8));

    if (mHandle > 0)
    {
        ReflectProgramInputs();
        ReflectProgramOutputs();
        ReflectDataBlocks(GL_UNIFORM_BLOCK, mUniformBlocks);
        ReflectUniforms();
        ReflectDataBlocks(GL_SHADER_STORAGE_BLOCK, mShaderStorageBlocks);
        ReflectAtomicCounterBuffers();
        ReflectSubroutines(GL_VERTEX_SUBROUTINE, mVertexSubroutines);
        ReflectSubroutines(GL_GEOMETRY_SUBROUTINE, mGeometrySubroutines);
        ReflectSubroutines(GL_FRAGMENT_SUBROUTINE, mPixelSubroutines);
        ReflectSubroutines(GL_COMPUTE_SUBROUTINE, mComputeSubroutines);
        ReflectSubroutines(GL_TESS_CONTROL_SUBROUTINE, mTessControlSubroutines);
        ReflectSubroutines(GL_TESS_EVALUATION_SUBROUTINE, mTessEvaluationSubroutines);
        ReflectSubroutineUniforms(GL_VERTEX_SUBROUTINE_UNIFORM, mVertexSubroutineUniforms);
        ReflectSubroutineUniforms(GL_GEOMETRY_SUBROUTINE_UNIFORM, mGeometrySubroutineUniforms);
        ReflectSubroutineUniforms(GL_FRAGMENT_SUBROUTINE_UNIFORM, mPixelSubroutineUniforms);
        ReflectSubroutineUniforms(GL_COMPUTE_SUBROUTINE_UNIFORM, mComputeSubroutineUniforms);
        ReflectSubroutineUniforms(GL_TESS_CONTROL_SUBROUTINE_UNIFORM, mTessControlSubroutineUniforms);
        ReflectSubroutineUniforms(GL_TESS_EVALUATION_SUBROUTINE_UNIFORM, mTessEvaluationSubroutineUniforms);
        ReflectBufferVariables();
        ReflectTransformFeedbackVaryings();
        ReflectTransformFeedbackBuffers();
    }
    else
    {
        LogError("The program handle is invalid.");
    }
}

void GLSLReflection::GetComputeShaderWorkGroupSize(GLint &numXThreads, GLint& numYThreads, GLint& numZThreads) const
{