commit 31d2843b45ebdb69ec3355111b7567363fd2a6b7
author Mathias Agopian <mathias@google.com> Tue Apr 03 16:31:39 2012 -0700
committer Mathias Agopian <mathias@google.com> Tue Apr 03 18:30:35 2012 -0700
tree 33976b2ab42fba4f8009a39fd7f2ef143a635c02
parent 9b71221171774cc37b35bfd861cb4082d7f021ab

Add HWC vsync hook. Currently unused.

Change-Id: I849d56f375813a044c5e2d0b25f791476a60fa01

services/surfaceflinger/DisplayHardware/HWComposer.cpp

diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index f17bf43..94d0021 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -53,7 +53,9 @@
             if (mHwc->registerProcs) {
                 mCBContext.hwc = this;
                 mCBContext.procs.invalidate = &hook_invalidate;
+                mCBContext.procs.vsync = &hook_vsync;
                 mHwc->registerProcs(mHwc, &mCBContext.procs);
+                memset(mCBContext.procs.zero, 0, sizeof(mCBContext.procs.zero));
             }
         }
     }
@@ -74,10 +76,17 @@
     reinterpret_cast<cb_context *>(procs)->hwc->invalidate();
 }
 
+void HWComposer::hook_vsync(struct hwc_procs* procs, int dpy, int64_t timestamp) {
+    reinterpret_cast<cb_context *>(procs)->hwc->vsync(dpy, timestamp);
+}
+
 void HWComposer::invalidate() {
     mFlinger->repaintEverything();
 }
 
+void HWComposer::vsync(int dpy, int64_t timestamp) {
+}
+
 void HWComposer::setFrameBuffer(EGLDisplay dpy, EGLSurface sur) {
     mDpy = (hwc_display_t)dpy;
     mSur = (hwc_surface_t)sur;