commit c62f39861aa0589a47fb0776b1e7e80d253b9efc
author Saurabh Shah <saurshah@codeaurora.org> Wed Mar 05 14:28:26 2014 -0800
committer Gerrit - the friendly Code Review server <code-review@localhost> Mon Apr 14 10:17:11 2014 -0700
tree cf0c4ac61772d858ed1f0fdfe9c6f9e93cc6f018
parent 8118d4b5b9f3f92279f7e1de3ee623f78f4d550e

overlay: Support for returning pipe based on capability

Add support for returning pipes based on capabilities.
getPipe() API takes in pipe specifications like format class,
scaling, display, mixer, fb and decides what pipe to return.
The nextPipe() API is now just a private helper.

Change-Id: I0ab809662c0ad6297e19a44f39264ee929944d13

libhwcomposer/hwc_ad.cpp

diff --git a/libhwcomposer/hwc_ad.cpp b/libhwcomposer/hwc_ad.cpp
index be3793a..fdf6e67 100644
--- a/libhwcomposer/hwc_ad.cpp
+++ b/libhwcomposer/hwc_ad.cpp
@@ -182,8 +182,12 @@
         return false;
     }
 
-    ovutils::eDest dest = ctx->mOverlay->nextPipe(ovutils::OV_MDP_PIPE_VG,
-            overlay::Overlay::DPY_WRITEBACK, Overlay::MIXER_DEFAULT);
+    Overlay::PipeSpecs pipeSpecs;
+    pipeSpecs.formatClass = Overlay::FORMAT_YUV;
+    pipeSpecs.dpy = overlay::Overlay::DPY_WRITEBACK;
+    pipeSpecs.fb = false;
+
+    ovutils::eDest dest = ctx->mOverlay->getPipe(pipeSpecs);
     if(dest == OV_INVALID) {
         ALOGE("%s failed: No VG pipe available", __func__);
         mDoable = false;