void IMB_freeImBuf(ImBuf *ibuf)
{
if (ibuf) {
bool needs_free = false;
BLI_spin_lock(&refcounter_spin);
if (ibuf->refcounter > 0) {
ibuf->refcounter--;
}
else {
needs_free = true;
}
BLI_spin_unlock(&refcounter_spin);
if (needs_free) {
imb_freerectImBuf(ibuf);
imb_freerectfloatImBuf(ibuf);
imb_freetilesImBuf(ibuf);
IMB_freezbufImBuf(ibuf);
IMB_freezbuffloatImBuf(ibuf);
freeencodedbufferImBuf(ibuf);
IMB_metadata_free(ibuf);
colormanage_cache_free(ibuf);
if (ibuf->dds_data.data != NULL) {
free(ibuf->dds_data.data); /* dds_data.data is allocated by DirectDrawSurface::readData(), so don't use MEM_freeN! */
}
MEM_freeN(ibuf);
}
}
}
static void imbuf_cache_destructor(void *data)
{
ImBuf *ibuf = (ImBuf *) data;
imb_freerectImBuf(ibuf);
imb_freerectfloatImBuf(ibuf);
IMB_freezbufImBuf(ibuf);
IMB_freezbuffloatImBuf(ibuf);
freeencodedbufferImBuf(ibuf);
ibuf->c_handle = NULL;
}
bool addzbufImBuf(ImBuf *ibuf)
{
if (ibuf == NULL) return false;
IMB_freezbufImBuf(ibuf);
if ((ibuf->zbuf = imb_alloc_pixels(ibuf->x, ibuf->y, 1, sizeof(unsigned int), __func__))) {
ibuf->mall |= IB_zbuf;
ibuf->flags |= IB_zbuf;
return true;
}
return false;
}
bool addzbufImBuf(ImBuf *ibuf)
{
size_t size;
if (ibuf == NULL) return false;
IMB_freezbufImBuf(ibuf);
size = (size_t)ibuf->x * (size_t)ibuf->y * sizeof(unsigned int);
if ((ibuf->zbuf = MEM_mapallocN(size, __func__))) {
ibuf->mall |= IB_zbuf;
ibuf->flags |= IB_zbuf;
return true;
}
return false;
}