summaryrefslogtreecommitdiffstats
path: root/app/surface/transport_dib_linux.cc
diff options
context:
space:
mode:
Diffstat (limited to 'app/surface/transport_dib_linux.cc')
-rw-r--r--app/surface/transport_dib_linux.cc43
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_;