Function createPBO

cpp/0_Introduction/simpleCUDA2GL/main.cpp:156–176

/////////////////////////////////////////////////////////////////////////// Create PBO ///////////////////////////////////////////////////////////////////////////

//! Create PBO
////////////////////////////////////////////////////////////////////////////////
void createPBO(GLuint *pbo, struct cudaGraphicsResource **pbo_resource)
{
    // set up vertex data parameter
    num_texels    = image_width * image_height;
    num_values    = num_texels * 4;
    size_tex_data = sizeof(GLubyte) * num_values;
    void *data    = malloc(size_tex_data);

    // create buffer object
    glGenBuffers(1, pbo);
    glBindBuffer(GL_ARRAY_BUFFER, *pbo);
    glBufferData(GL_ARRAY_BUFFER, size_tex_data, data, GL_DYNAMIC_DRAW);
    free(data);

    glBindBuffer(GL_ARRAY_BUFFER, 0);

    // register this buffer object with CUDA
    checkCudaErrors(cudaGraphicsGLRegisterBuffer(pbo_resource, *pbo, cudaGraphicsMapFlagsNone));

    SDK_CHECK_ERROR_GL();
}

void deletePBO(GLuint *pbo)
{