Function test_buffer_kernel

test_conformance/gl/test_buffers.cpp:122–326

}

int test_buffer_kernel(cl_context context, cl_command_queue queue,
                       ExplicitType vecType, size_t vecSize, int numElements,
                       int validate_only, MTdata d)
{
    clProgramWrapper program;
    clKernelWrapper kernel;
    clMemWrapper streams[3];
    size_t dataSize = numElements * 16;
    std::vector<cl_long> inData(dataSize), outDataCL(dataSize),
        outDataGL(dataSize);

    glBufferWrapper inGLBuffer, outGLBuffer;
    int i;
    size_t bufferSize;

    int error;
    size_t threads[1], localThreads[1];
    char kernelSource[10240];
    char *programPtr;
    char sizeName[4];

    /* Create the source */
    if (vecSize == 1)
        sizeName[0] = 0;
    else
        sprintf(sizeName, "%d", (int)vecSize);

    sprintf(kernelSource, bufferKernelPattern, get_explicit_type_name(vecType),
            sizeName, get_explicit_type_name(vecType), sizeName,
            get_explicit_type_name(vecType), sizeName,
            get_explicit_type_name(vecType), sizeName,
            get_explicit_type_name(vecType), sizeName);

    /* Create kernels */
    programPtr = kernelSource;
    if (create_single_kernel_helper(context, &program, &kernel, 1,
                                    (const char **)&programPtr, "sample_test"))
    {
        return -1;
    }

    bufferSize = numElements * vecSize * get_explicit_type_size(vecType);

    /* Generate some almost-random input data */
    gen_input_data(vecType, vecSize * numElements, d, inData.data());

    /* Generate some GL buffers to go against */
    glGenBuffers(1, &inGLBuffer);
    glGenBuffers(1, &outGLBuffer);

    glBindBuffer(GL_ARRAY_BUFFER, inGLBuffer);
    glBufferData(GL_ARRAY_BUFFER, bufferSize, inData.data(), GL_STATIC_DRAW);

    // Note: we need to bind the output buffer, even though we don't care about
    // its values yet, because CL needs it to get the buffer size
    glBindBuffer(GL_ARRAY_BUFFER, outGLBuffer);
    glBufferData(GL_ARRAY_BUFFER, bufferSize, outDataGL.data(), GL_STATIC_DRAW);