void ImageManager::device_update_slot(Device *device,
DeviceScene *dscene,
Scene *scene,
int flat_slot,
Progress *progress)
{
ImageDataType type;
int slot = flattened_slot_to_type_index(flat_slot, &type);
Image *image = images[type][slot];
assert(image != NULL);
if(image->users == 0) {
device_free_image(device, dscene, type, slot);
}
else if(image->need_load) {
if(!osl_texture_system || image->builtin_data)
device_load_image(device,
dscene,
scene,
type,
slot,
progress);
}
}
device_memory *ImageManager::image_memory(int flat_slot)
{
ImageDataType type;
int slot = flattened_slot_to_type_index(flat_slot, &type);
Image *img = images[type][slot];
return img->mem;
}
void ImageManager::remove_image(int flat_slot)
{
ImageDataType type;
int slot = flattened_slot_to_type_index(flat_slot, &type);
Image *image = images[type][slot];
assert(image && image->users >= 1);
/* decrement user count */
image->users--;
/* don't remove immediately, rather do it all together later on. one of
* the reasons for this is that on shader changes we add and remove nodes
* that use them, but we do not want to reload the image all the time. */
if(image->users == 0)
need_update = true;
}
