C++ (Cpp) calc_buf Examples

Example #1

File: specbuf.cpp Project: Harrypoppins/grim_mouse

GLSpecBuf *specbuf_get_buffer(GLContext *c, const int shininess_i, const float shininess) {
	GLSpecBuf *found, *oldest;
	found = oldest = c->specbuf_first;
	while (found && found->shininess_i != shininess_i) {
		if (found->last_used < oldest->last_used) {
			oldest = found;
		}
		found = found->next; 
	}
	if (found) {
		found->last_used = c->specbuf_used_counter++;
		return found;
	}
	if (!oldest || c->specbuf_num_buffers < MAX_SPECULAR_BUFFERS) {
		// create new buffer
		GLSpecBuf *buf = (GLSpecBuf *)gl_malloc(sizeof(GLSpecBuf));
		if (!buf)
			error("could not allocate specular buffer");
		c->specbuf_num_buffers++;
		buf->next = c->specbuf_first;
		c->specbuf_first = buf;
		buf->last_used = c->specbuf_used_counter++;
		buf->shininess_i = shininess_i;
		calc_buf(buf, shininess);
		return buf;     
	}
	//overwrite the lru buffer
	oldest->shininess_i = shininess_i;
	oldest->last_used = c->specbuf_used_counter++;
	calc_buf(oldest, shininess);
	return oldest;
}

Example #2

File: r7_specbuf.c Project: patrick963534/f77

GLSpecBuf *
specbuf_get_buffer(GLContext *c, const int shininess_i, 
                   const float shininess)
{
  GLSpecBuf *found, *oldest;
  found = oldest = c->specbuf_first;
  while (found && found->shininess_i != shininess_i) {
    if (found->last_used < oldest->last_used) {
      oldest = found;
    }
    found = found->next; 
  }
  if (found) { /* hey, found one! */
    found->last_used = c->specbuf_used_counter++;
    return found;
  }
  if (oldest == NULL || c->specbuf_num_buffers < MAX_SPECULAR_BUFFERS) {
    /* create new buffer */
    GLSpecBuf *buf = gl_malloc(sizeof(GLSpecBuf));
    if (!buf) gl_fatal_error("could not allocate specular buffer");
    c->specbuf_num_buffers++;
    buf->next = c->specbuf_first;
    c->specbuf_first = buf;
    buf->last_used = c->specbuf_used_counter++;
    buf->shininess_i = shininess_i;
    calc_buf(buf, shininess);
    return buf;     
  }
  /* overwrite the lru buffer */
  /*tgl_trace("overwriting spec buffer :(\n");*/
  oldest->shininess_i = shininess_i;
  oldest->last_used = c->specbuf_used_counter++;
  calc_buf(oldest, shininess);
  return oldest;
}