diff options
Diffstat (limited to 'app/surface/transport_dib_linux.cc')
-rw-r--r-- | app/surface/transport_dib_linux.cc | 43 |
1 files changed, 10 insertions, 33 deletions
diff --git a/app/surface/transport_dib_linux.cc b/app/surface/transport_dib_linux.cc index 69282c3..26cad3f 100644 --- a/app/surface/transport_dib_linux.cc +++ b/app/surface/transport_dib_linux.cc @@ -65,57 +65,34 @@ TransportDIB* TransportDIB::Create(size_t size, uint32 sequence_num) { return dib; } -// static -TransportDIB* TransportDIB::Map(Handle handle) { - scoped_ptr<TransportDIB> dib(CreateWithHandle(handle)); - if (!dib->Map()) +TransportDIB* TransportDIB::Map(Handle shmkey) { + struct shmid_ds shmst; + if (shmctl(shmkey, IPC_STAT, &shmst) == -1) + return NULL; + + void* address = shmat(shmkey, NULL /* desired address */, 0 /* flags */); + if (address == kInvalidAddress) return NULL; - return dib.release(); -} -// static -TransportDIB* TransportDIB::CreateWithHandle(Handle shmkey) { TransportDIB* dib = new TransportDIB; + + dib->address_ = address; + dib->size_ = shmst.shm_segsz; dib->key_ = shmkey; return dib; } -// static bool TransportDIB::is_valid(Handle dib) { return dib >= 0; } skia::PlatformCanvas* TransportDIB::GetPlatformCanvas(int w, int h) { - if (address_ == kInvalidAddress && !Map()) - return NULL; scoped_ptr<skia::PlatformCanvas> canvas(new skia::PlatformCanvas); if (!canvas->initialize(w, h, true, reinterpret_cast<uint8_t*>(memory()))) return NULL; return canvas.release(); } -bool TransportDIB::Map() { - if (address_ != kInvalidAddress) - return true; - - struct shmid_ds shmst; - if (shmctl(key_, IPC_STAT, &shmst) == -1) - return false; - - void* address = shmat(key_, NULL /* desired address */, 0 /* flags */); - if (address == kInvalidAddress) - return false; - - address_ = address; - size_ = shmst.shm_segsz; - return true; -} - -TransportDIB::Handle TransportDIB::GetHandleForProcess( - base::ProcessHandle process_handle) const { - return handle(); -} - void* TransportDIB::memory() const { DCHECK_NE(address_, kInvalidAddress); return address_; |