commit 734118adc918e578f8ae064cc091c7fe0b6c90d5
author Praveena Pachipulusu <pveena@codeaurora.org> Thu Dec 04 14:53:12 2014 +0530
committer Praveena Pachipulusu <pveena@codeaurora.org> Mon Dec 08 14:36:20 2014 +0530
tree 0ff4a20c2610120c4db6761d9d2c4a386a44fa1f
parent 5c1cb99f2459e4dbf1a2535afc4eaa342047481c

hwc: Enable PP flag for metadata support

Enable POST_PROC flag to update PP features (HSIC/IGC/QSEED2)
info from metadata. Dynamically link ABL library.

Change-Id: Id5d8cf17eccb3ad8f1a671d0f3b5a96a7dbf7c00

liboverlay/overlay.cpp

diff --git a/liboverlay/overlay.cpp b/liboverlay/overlay.cpp
index e9c0a13..c250919 100644
--- a/liboverlay/overlay.cpp
+++ b/liboverlay/overlay.cpp
@@ -47,6 +47,9 @@
 
     initScalar();
     setDMAMultiplexingSupported();
+#ifdef USES_POST_PROCESSING
+    initPostProc();
+#endif
 }
 
 Overlay::~Overlay() {
@@ -54,6 +57,9 @@
         mPipeBook[i].destroy();
     }
     destroyScalar();
+#ifdef USES_POST_PROCESSING
+    destroyPostProc();
+#endif
 }
 
 void Overlay::configBegin() {
@@ -526,6 +532,23 @@
     }
 }
 
+void Overlay::initPostProc() {
+    sLibAblHandle = dlopen("libmm-abl.so", RTLD_NOW);
+    if (sLibAblHandle) {
+        *(void **)&sFnppParams = dlsym(sLibAblHandle,
+                                       "display_pp_compute_params");
+    } else {
+        ALOGE("%s: Not able to load libmm-abl.so", __FUNCTION__);
+    }
+}
+
+void Overlay::destroyPostProc() {
+    if (sLibAblHandle) {
+        dlclose(sLibAblHandle);
+        sLibAblHandle = NULL;
+    }
+}
+
 void Overlay::PipeBook::init() {
     mPipe = NULL;
     mDisplay = DPY_UNUSED;
@@ -557,5 +580,9 @@
     {utils::OV_MDP_PIPE_ANY};
 void *Overlay::sLibScaleHandle = NULL;
 int (*Overlay::sFnProgramScale)(struct mdp_overlay_list *) = NULL;
+/* Dynamically link ABL library */
+void *Overlay::sLibAblHandle = NULL;
+int (*Overlay::sFnppParams)(const struct compute_params *,
+                            struct mdp_overlay_pp_params *) = NULL;
 
 }; // namespace overlay