int terminateBuffer(gralloc_module_t const* module,
private_handle_t* hnd)
{
DEBUG_ENTER();
/*
* If the buffer has been mapped during a lock operation, it's time
* to un-map it. It's an error to be here with a locked buffer.
*/
LOGE_IF(hnd->lockState & private_handle_t::LOCK_STATE_READ_MASK,
"[terminate] handle %p still locked (state=%08x)",
hnd, hnd->lockState);
if (hnd->lockState & private_handle_t::LOCK_STATE_MAPPED) {
// this buffer was mapped, unmap it now
if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_PMEM) {
if (hnd->pid != getpid()) {
// ... unless it's a "master" pmem buffer, that is a buffer
// mapped in the process it's been allocated.
// (see gralloc_alloc_buffer())
gralloc_unmap(module, hnd);
}
} else {
gralloc_unmap(module, hnd);
}
}
DEBUG_LEAVE();
return 0;
}
static int gralloc_unregister_buffer(gralloc_module_t const* module, buffer_handle_t handle)
{
if (private_handle_t::validate(handle) < 0) {
ALOGE("unregistering invalid buffer, returning error");
return -EINVAL;
}
private_handle_t* hnd = (private_handle_t*)handle;
#ifdef USE_PARTIAL_FLUSH
if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_UMP)
if (!release_rect((int)hnd->ump_id))
ALOGE("secureID: 0x%x, release error", (int)hnd->ump_id);
#endif
ALOGE_IF(hnd->lockState & private_handle_t::LOCK_STATE_READ_MASK,
"[unregister] handle %p still locked (state=%08x)", hnd, hnd->lockState);
/* never unmap buffers that were created in this process */
if (hnd->pid != getpid()) {
pthread_mutex_lock(&s_map_lock);
if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_UMP) {
ump_mapped_pointer_release((ump_handle)hnd->ump_mem_handle);
hnd->base = 0;
ump_reference_release((ump_handle)hnd->ump_mem_handle);
hnd->ump_mem_handle = (int)UMP_INVALID_MEMORY_HANDLE;
hnd->lockState = 0;
hnd->writeOwner = 0;
} else if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_IOCTL) {
if(hnd->base != 0)
gralloc_unmap(module, handle);
pthread_mutex_unlock(&s_map_lock);
if (0 < gMemfd) {
close(gMemfd);
gMemfd = 0;
}
return 0;
} else if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION) {
ump_mapped_pointer_release((ump_handle)hnd->ump_mem_handle);
ump_reference_release((ump_handle)hnd->ump_mem_handle);
if (hnd->base)
gralloc_unmap(module, handle);
hnd->base = 0;
hnd->ump_mem_handle = (int)UMP_INVALID_MEMORY_HANDLE;
hnd->lockState = 0;
hnd->writeOwner = 0;
} else {
ALOGE("unregistering non-UMP buffer not supported");
}
pthread_mutex_unlock(&s_map_lock);
}
return 0;
}
int gralloc_unregister_buffer(gralloc_module_t const* module,
buffer_handle_t handle)
{
DEBUG_ENTER();
if (private_handle_t::validate(handle) < 0)
return -EINVAL;
/*
* If the buffer has been mapped during a lock operation, it's time
* to un-map it. It's an error to be here with a locked buffer.
* NOTE: the framebuffer is handled differently and is never unmapped.
*/
private_handle_t* hnd = (private_handle_t*)handle;
LOGE_IF(hnd->lockState & private_handle_t::LOCK_STATE_READ_MASK,
"[unregister] handle %p still locked (state=%08x)",
hnd, hnd->lockState);
// never unmap buffers that were created in this process
if (hnd->pid != getpid()) {
if (hnd->lockState & private_handle_t::LOCK_STATE_MAPPED) {
gralloc_unmap(module, handle);
}
hnd->base = 0;
hnd->lockState = 0;
hnd->writeOwner = 0;
}
DEBUG_LEAVE();
return 0;
}
static int terminateBuffer(gralloc_module_t const* module,
struct hwmem_gralloc_buf_handle_t* hnd)
{
/*
* If the buffer has been mapped during a lock operation, it's time
* to un-map it. It's an error to be here with a locked buffer.
*/
ALOGE_IF(hnd->lockState & LOCK_STATE_READ_MASK,
"[terminate] handle %p still locked (state=%08x)",
hnd, hnd->lockState);
if (hnd->lockState & LOCK_STATE_MAPPED) {
// this buffer was mapped, unmap it now
if ((hnd->flags & PRIV_FLAGS_USES_PMEM) &&
(hnd->pid == getpid())) {
// ... unless it's a "master" pmem buffer, that is a buffer
// mapped in the process it's been allocated.
// (see gralloc_alloc_buffer())
} else {
gralloc_unmap(module, hnd);
}
}
return 0;
}
int terminateBuffer(gralloc_module_t const* module,
private_handle_t* hnd)
{
if (hnd->base) {
// this buffer was mapped, unmap it now
gralloc_unmap(module, hnd);
}
return 0;
}
int gralloc_unregister_buffer(gralloc_module_t const* module,
buffer_handle_t handle)
{
if (private_handle_t::validate(handle) < 0)
return -EINVAL;
private_handle_t* hnd = (private_handle_t*)handle;
if (hnd->base)
gralloc_unmap(module, handle);
return 0;
}
int terminateBuffer(gralloc_module_t const* module,
private_handle_t* hnd)
{
if (hnd->base) {
// this buffer was mapped, unmap it now
if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_PMEM) {
if (hnd->pid != getpid()) {
// ... unless it's a "master" pmem buffer, that is a buffer
// mapped in the process it's been allocated.
// (see gralloc_alloc_buffer())
gralloc_unmap(module, hnd);
}
} else if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_GPU) {
// XXX: for now do nothing here
} else {
gralloc_unmap(module, hnd);
}
}
return 0;
}
int gralloc_unregister_buffer(gralloc_module_t const* module,
buffer_handle_t handle)
{
if (private_handle_t::validate(handle) < 0)
return -EINVAL;
// never unmap buffers that were created in this process
private_handle_t* hnd = (private_handle_t*)handle;
if (hnd->pid != getpid()) {
if (hnd->base) {
gralloc_unmap(module, handle);
}
}
return 0;
}
int gralloc_unregister_buffer(gralloc_module_t const* module,
buffer_handle_t handle)
{
if (private_handle_t::validate(handle) < 0)
return -EINVAL;
private_handle_t* hnd = (private_handle_t*)handle;
ALOGV("%s: base %p %d %d %d %d\n", __func__, hnd->base, hnd->size,
hnd->width, hnd->height, hnd->stride);
gralloc_unmap(module, handle);
if (hnd->handle)
ion_free(getIonFd(module), hnd->handle);
if (hnd->handle1)
ion_free(getIonFd(module), hnd->handle1);
if (hnd->handle2)
ion_free(getIonFd(module), hnd->handle2);
return 0;
}
int gralloc_unregister_buffer_pmem(gralloc_module_t const* module,
struct hwmem_gralloc_buf_handle_t* hnd)
{
/*
* If the buffer has been mapped during a lock operation, it's time
* to un-map it. It's an error to be here with a locked buffer.
* NOTE: the framebuffer is handled differently and is never unmapped.
*/
ALOGE_IF(hnd->lockState & LOCK_STATE_READ_MASK,
"[unregister] handle %p still locked (state=%08x)",
hnd, hnd->lockState);
// never unmap buffers that were created in this process
if (hnd->pid != getpid()) {
if (hnd->lockState & LOCK_STATE_MAPPED) {
gralloc_unmap(module, hnd);
}
hnd->base_addr = 0;
hnd->lockState = 0;
hnd->writeOwner = 0;
}
return 0;
}
int grallocUnmap(gralloc_module_t const* module, private_handle_t *hnd)
{
return gralloc_unmap(module, hnd);
}
