Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(4102)

Unified Diff: chrome/common/render_messages_internal.h

Issue 21485: Bitmap transport (Closed)
Patch Set: Fix some mac crashes Created 11 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: chrome/common/render_messages_internal.h
diff --git a/chrome/common/render_messages_internal.h b/chrome/common/render_messages_internal.h
index 02a9a436ea10f8256fec3b746b12320cd28a45cc..f02f5cf06923578ec21285dc3e7409d5d63d2cfa 100644
--- a/chrome/common/render_messages_internal.h
+++ b/chrome/common/render_messages_internal.h
@@ -16,6 +16,8 @@
#include "base/gfx/native_widget_types.h"
#include "base/shared_memory.h"
#include "chrome/common/ipc_message_macros.h"
+#include "chrome/common/ipc_maybe.h"
+#include "chrome/common/transport_dib.h"
#include "skia/include/SkBitmap.h"
#include "webkit/glue/console_message_level.h"
#include "webkit/glue/dom_operations.h"
@@ -1168,4 +1170,19 @@ IPC_BEGIN_MESSAGES(ViewHost)
double /* left_channel */,
double /* right_channel */)
+#if defined(OS_MACOSX)
+ // On OSX, we cannot allocated shared memory from within the sandbox, so
+ // this call exists for the renderer to ask the browser to allocate memory
+ // on its behalf. We return a file descriptor to the POSIX shared memory.
+ IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_AllocTransportDIB,
+ size_t, /* bytes requested */
+ IPC::Maybe<TransportDIB::Handle> /* DIB */)
+
+ // Since the browser keeps handles to the allocated transport DIBs, this
+ // message is sent to tell the browser that it may release them when the
+ // renderer is finished with them.
+ IPC_MESSAGE_CONTROL1(ViewHostMsg_FreeTransportDIB,
+ TransportDIB::Id /* DIB id */)
+#endif
+
IPC_END_MESSAGES(ViewHost)

Powered by Google App Engine
This is Rietveld 408576698