commit 59a110773c65e170dcdc561c583c744991a2f6ce
author Ramkumar Radhakrishnan <ramkumar@codeaurora.org> Mon Apr 15 16:14:49 2013 -0700
committer Ramkumar Radhakrishnan <ramkumar@codeaurora.org> Sat May 11 18:37:37 2013 -0700
tree 4e5a49ba2ff9c099820958dd21d8be7bb53d1b31
parent ffef74885bfb90b8d8ba99966145f247ab6afabd

hwc: Do not show animation on External display.

- When primary is animating, the animation should not be
  shown on the external display.
- Mark all app layers as HWC_OVERLAY on external during
  animation so that SF wont compose it on FB.

Change-Id: Ic557cabfd9f2518614777c0e993541e36e090850

libhwcomposer/hwc.cpp

diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index 9dd95ff..22667bf 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -173,6 +173,10 @@
                 ctx->mExtDispConfiguring = false;
                 setListStats(ctx, list, dpy);
                 int fbZOrder = ctx->mMDPComp[dpy]->prepare(ctx, list);
+                if(ctx->deviceOrientation &&
+                    ctx->listStats[dpy].isDisplayAnimating) {
+                    fbZOrder = 0;
+                }
                 if(fbZOrder >= 0)
                     ctx->mFBUpdate[dpy]->prepare(ctx, list, fbZOrder);
 
@@ -182,6 +186,14 @@
                 if((fbZOrder >= 0) && ctx->mCopyBit[dpy])
                     ctx->mCopyBit[dpy]->prepare(ctx, list, dpy);
                 */
+                if(ctx->listStats[dpy].isDisplayAnimating) {
+                    // Mark all app layers as HWC_OVERLAY for external during
+                    // animation, so that SF doesnt draw it on FB
+                    for(int i = 0 ;i < ctx->listStats[dpy].numAppLayers; i++) {
+                        hwc_layer_1_t *layer = &list->hwLayers[i];
+                        layer->compositionType = HWC_OVERLAY;
+                    }
+                }
             }
         } else {
             // External Display is in Pause state.
@@ -246,6 +258,14 @@
             ALOGD_IF (VSYNC_DEBUG, "VSYNC state changed to %s",
                       (enable)?"ENABLED":"DISABLED");
             break;
+        case  HWC_EVENT_ORIENTATION:
+            if(dpy == HWC_DISPLAY_PRIMARY) {
+                // store the primary display orientation
+                // will be used in hwc_video::configure to disable
+                // rotation animation on external display
+                ctx->deviceOrientation = enable;
+            }
+            break;
         default:
             ret = -EINVAL;
     }