Index: content/browser/renderer_host/software_frame_manager.h |
diff --git a/content/browser/renderer_host/software_frame_manager.h b/content/browser/renderer_host/software_frame_manager.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c769aca5a30562d8953340eff5a61fb4e36c79ea |
--- /dev/null |
+++ b/content/browser/renderer_host/software_frame_manager.h |
@@ -0,0 +1,67 @@ |
+// Copyright 2013 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CONTENT_BROWSER_RENDERER_HOST_SOFTWARE_FRAME_MANAGER_H_ |
+#define CONTENT_BROWSER_RENDERER_HOST_SOFTWARE_FRAME_MANAGER_H_ |
+ |
+#include "base/basictypes.h" |
+#include "base/memory/ref_counted.h" |
+#include "base/memory/shared_memory.h" |
+#include "base/memory/weak_ptr.h" |
+#include "cc/output/software_frame_data.h" |
+#include "cc/resources/single_release_callback.h" |
+#include "cc/resources/texture_mailbox.h" |
+#include "ui/gfx/size.h" |
+ |
+namespace content { |
+class SoftwareFrame; |
+class SoftwareFrameMemoryManager; |
+ |
+class SoftwareFrameManagerClient { |
+ public: |
+ // Called when the memory for the current software frame was freed. |
+ virtual void SoftwareFrameWasFreed( |
+ uint32 output_surface_id, unsigned frame_id) = 0; |
+ // Called immediately after CurrentSoftwareFrameWasFreed if the frame |
piman
2013/10/22 22:32:48
nit: "CurrentSoftwareFrameWasFreed" doesn't exist,
ccameron
2013/10/23 01:05:58
Done
piman
2013/10/23 23:41:40
Ok, sorry, I had missed that.
|
+ // was freed because the FrameMemoryManager requested it be freed. |
+ virtual void CurrentSoftwareFrameWasEvicted() = 0; |
+}; |
+ |
+class SoftwareFrameManager { |
+ public: |
+ SoftwareFrameManager(base::WeakPtr<SoftwareFrameManagerClient> client); |
piman
2013/10/22 22:32:48
nit: explicit
ccameron
2013/10/23 01:05:58
Done.
|
+ ~SoftwareFrameManager(); |
+ |
+ // Swap to a new frame from shared memory. This frame is guaranteed to |
piman
2013/10/22 22:32:48
nit: Swaps
ccameron
2013/10/23 01:05:58
Done.
|
+ // not be evicted until SwapToNewFrameComplete is called. |
+ bool SwapToNewFrame( |
+ uint32 output_surface_id, |
+ const cc::SoftwareFrameData* frame_data, |
+ float frame_device_scale_factor, |
+ base::ProcessHandle process_handle); |
+ void SwapToNewFrameComplete(bool visible); |
+ void SetVisibility(bool visible); |
+ bool HasCurrentFrame() const; |
+ void DiscardCurrentFrame(); |
+ void GetCurrentFrameMailbox( |
+ cc::TextureMailbox* mailbox, |
+ scoped_ptr<cc::SingleReleaseCallback>* callback); |
+ const void* GetCurrentFramePixels() const; |
+ gfx::Size GetCurrentFrameSizeInPixels() const; |
+ gfx::Size GetCurrentFrameSizeInDIP() const; |
+ |
+ // Called by SoftwareFrameMemoryManager to demand that the current frame |
+ // be evicted. |
piman
2013/10/22 22:32:48
nit: maybe make it private and make SoftwareFrameM
ccameron
2013/10/23 01:05:58
Done.
|
+ void EvictCurrentFrame(); |
+ |
+ private: |
+ base::WeakPtr<SoftwareFrameManagerClient> client_; |
+ |
+ // This holds the current software framebuffer. |
+ scoped_refptr<SoftwareFrame> current_frame_; |
piman
2013/10/22 22:32:48
nit: DISALLOW_COPY_AND_ASSIGN
ccameron
2013/10/23 01:05:58
Done.
|
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_BROWSER_RENDERER_HOST_SOFTWARE_FRAME_MANAGER_H_ |