commit 361da4fde0e3eaf8934fbc298438f7fbbb6ced01
author Arun Kumar K.R <akumarkr@codeaurora.org> Wed Nov 28 10:42:59 2012 -0800
committer Arun Kumar K.R <akumarkr@codeaurora.org> Thu Jan 10 12:29:10 2013 -0800
tree f1380f3bdaf9548d86397b2f8638c711fbb11892
parent eb128aafbcb98e213ad7c633b8c66689573e4372

hwc: Add support for copybit(C2D) composition

- Add CopybitEngine to hwc_context
- draw the layer on the HWC_FRAMEBUFFER_TARGET using
  copybit(c2d) if it qualifies for C2D composition.
- use fence returned from the copybit during c2d
  composition

Change-Id: I052da015cd031f7abd6411d83d7944c335caeff7

libhwcomposer/hwc_uevents.cpp

diff --git a/libhwcomposer/hwc_uevents.cpp b/libhwcomposer/hwc_uevents.cpp
index 334df26..6b8f4e3 100644
--- a/libhwcomposer/hwc_uevents.cpp
+++ b/libhwcomposer/hwc_uevents.cpp
@@ -27,6 +27,8 @@
 #include <stdlib.h>
 #include "hwc_utils.h"
 #include "hwc_fbupdate.h"
+#include "hwc_copybit.h"
+#include "comptype.h"
 #include "external.h"
 
 namespace qhwc {
@@ -38,6 +40,16 @@
     int vsync = 0;
     int64_t timestamp = 0;
     const char *str = udata;
+    bool usecopybit = false;
+    int compositionType =
+        qdutils::QCCompositionType::getInstance().getCompositionType();
+
+    if (compositionType & (qdutils::COMPOSITION_TYPE_DYN |
+                           qdutils::COMPOSITION_TYPE_MDP |
+                           qdutils::COMPOSITION_TYPE_C2D)) {
+        usecopybit = true;
+
+    }
 
     if(!strcasestr("change@/devices/virtual/switch/hdmi", str) &&
        !strcasestr("change@/devices/virtual/switch/wfd", str)) {
@@ -72,6 +84,8 @@
             ctx->mFBUpdate[HWC_DISPLAY_EXTERNAL] =
                 IFBUpdate::getObject(ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].xres,
                 HWC_DISPLAY_EXTERNAL);
+            if(usecopybit)
+                ctx->mCopyBit[HWC_DISPLAY_EXTERNAL] = new CopyBit();
         } else {
             ctx->mExtDisplay->processUEventOffline(udata);
             if(ctx->mFBUpdate[HWC_DISPLAY_EXTERNAL]) {
@@ -79,6 +93,11 @@
                 delete ctx->mFBUpdate[HWC_DISPLAY_EXTERNAL];
                 ctx->mFBUpdate[HWC_DISPLAY_EXTERNAL] = NULL;
             }
+            if(ctx->mCopyBit[HWC_DISPLAY_EXTERNAL]){
+                Locker::Autolock _l(ctx->mExtSetLock);
+                delete ctx->mCopyBit[HWC_DISPLAY_EXTERNAL];
+                ctx->mCopyBit[HWC_DISPLAY_EXTERNAL] = NULL;
+            }
         }
         ALOGD("%s sending hotplug: connected = %d", __FUNCTION__, connected);
         Locker::Autolock _l(ctx->mExtSetLock); //hwc comp could be on