commit 22c67843bebd2083053af5992befe7ebd50303a5
author Mathias Agopian <mathias@google.com> Mon Nov 01 23:32:18 2010 -0700
committer Mathias Agopian <mathias@google.com> Fri Dec 03 17:35:07 2010 -0800
tree 67c2c0a6e0b568fb3d65516d6c3ce9b6101747bd
parent 30eb1b1803b590cf08cbf425dbdda4d330044f77

[3171580] SurfaceFlinger Bypass mode. (DO NOT MERGE)

This is a poor's man precursor to the h/w composer HAL.
Basically we detect when a window is full screen and in
that case we bypass surfaceflinger's composition step, which
yields to much improved performance.

Change-Id: Ie03796ae81a1c951949b771c9323044b980cb347

services/surfaceflinger/SurfaceFlinger.h

diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 4262175..ca57292 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -307,6 +307,7 @@
             bool        lockPageFlip(const LayerVector& currentLayers);
             void        unlockPageFlip(const LayerVector& currentLayers);
             void        handleRepaint();
+            bool        handleBypassLayer();
             void        postFramebuffer();
             void        composeSurfaces(const Region& dirty);
             void        unlockClients();
@@ -322,6 +323,7 @@
             uint32_t    setTransactionFlags(uint32_t flags);
             void        commitTransaction();
 
+            void        setBypassLayer(const sp<LayerBase>& layer);
 
             status_t captureScreenImplLocked(DisplayID dpy,
                     sp<IMemoryHeap>* heap,
@@ -399,6 +401,7 @@
                 int32_t                     mFreezeCount;
                 nsecs_t                     mFreezeDisplayTime;
                 Vector< sp<LayerBase> >     mVisibleLayersSortedByZ;
+                wp<Layer>                   mBypassLayer;
 
 
                 // don't use a lock for these, we don't care