We revert to the malloc/realloc and manually manage the upload. There seems to be a performance penalty from using glMapBuffer on some hardware, prefering way is glBufferData(NULL) with glBufferSubData.
We revert to the malloc/realloc and manually manage the upload. There seems to be a performance penalty from using glMapBuffer on some hardware, prefering way is glBufferData(NULL) with glBufferSubData.