commit a2978452bd37c6e8ff7777b07f652dd4f5cd5905
author Arun Kumar K.R <akumarkr@codeaurora.org> Thu Feb 07 01:34:24 2013 -0800
committer Ramkumar Radhakrishnan <ramkumar@codeaurora.org> Sat May 11 18:05:40 2013 -0700
tree 46f1b8e8af10a236c2ec283a8009385b291360b5
parent 330067c2ef5f69648a2e9d3be383f3f4394bcbea

hwc: Add support for EXT_ONLY Layers

If there are any EXTERNAL_ONLY layers present in the list, mark
them as HWC_OVERLAY such that SF does not compose and in hwc_set
post that layer to Ext display, ignore other layers

Change-Id: Ic5db3bfa88295167d23d1fb2be7640c9fc772054

libhwcomposer/hwc.cpp

diff --git a/libhwcomposer/hwc.cpp b/libhwcomposer/hwc.cpp
index 7398295..9dd95ff 100644
--- a/libhwcomposer/hwc.cpp
+++ b/libhwcomposer/hwc.cpp
@@ -425,12 +425,18 @@
             ret = -1;
         }
 
+        int extOnlyLayerIndex =
+            ctx->listStats[dpy].extOnlyLayerIndex;
+
         private_handle_t *hnd = (private_handle_t *)fbLayer->handle;
-        if(copybitDone) {
+        if(extOnlyLayerIndex!= -1) {
+            hwc_layer_1_t *extLayer = &list->hwLayers[extOnlyLayerIndex];
+            hnd = (private_handle_t *)extLayer->handle;
+        } else if(copybitDone) {
             hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer();
         }
 
-        if(hnd) {
+        if(hnd && !isYuvBuffer(hnd)) {
             if (!ctx->mFBUpdate[dpy]->draw(ctx, hnd)) {
                 ALOGE("%s: FBUpdate::draw fail!", __FUNCTION__);
                 ret = -1;