commit b9ebe5ad901d042324c803cb4bfe270ddf712fd8
author Linux Build Service Account <lnxbuild@localhost> Mon Jun 10 14:39:02 2013 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Mon Jun 10 14:39:02 2013 -0700
tree fe169b0b52f4cf8b11725755bb3ec0ddb0c3dd09
parent c52e8602d6ddc875449c1363728d47a55a5fcf86
parent 24c199de2d0899ff6b6f040c0b3ca6ef5605bac8

Merge "hwcomposer: Add adb property to disable Mixed Mode"

libhwcomposer/hwc_mdpcomp.cpp

diff --git a/libhwcomposer/hwc_mdpcomp.cpp b/libhwcomposer/hwc_mdpcomp.cpp
index 4a35336..720b1c6 100644
--- a/libhwcomposer/hwc_mdpcomp.cpp
+++ b/libhwcomposer/hwc_mdpcomp.cpp
@@ -37,6 +37,7 @@
 bool MDPComp::sIdleFallBack = false;
 bool MDPComp::sDebugLogs = false;
 bool MDPComp::sEnabled = false;
+bool MDPComp::sEnableMixedMode = true;
 int MDPComp::sMaxPipesPerMixer = MAX_PIPES_PER_MIXER;
 
 MDPComp* MDPComp::getObject(const int& width, int dpy) {
@@ -97,6 +98,13 @@
         }
     }
 
+    sEnableMixedMode = true;
+    if((property_get("debug.mdpcomp.mixedmode.disable", property, NULL) > 0) &&
+       (!strncmp(property, "1", PROPERTY_VALUE_MAX ) ||
+        (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) {
+        sEnableMixedMode = false;
+    }
+
     sDebugLogs = false;
     if(property_get("debug.mdpcomp.logs", property, NULL) > 0) {
         if(atoi(property) != 0)
@@ -352,8 +360,8 @@
 }
 
 bool MDPComp::isFrameDoable(hwc_context_t *ctx) {
-    int numAppLayers = ctx->listStats[mDpy].numAppLayers;
     bool ret = true;
+    const int numAppLayers = ctx->listStats[mDpy].numAppLayers;
 
     if(!isEnabled()) {
         ALOGD_IF(isDebug(),"%s: MDP Comp. not enabled.", __FUNCTION__);
@@ -428,7 +436,7 @@
     bool ret = false;
     if(fullMDPComp(ctx, list)) {
         ret = true;
-    } else if (partialMDPComp(ctx, list)) {
+    } else if(partialMDPComp(ctx, list)) {
         ret = true;
     }
     return ret;
@@ -462,6 +470,12 @@
 bool MDPComp::partialMDPComp(hwc_context_t *ctx, hwc_display_contents_1_t* list)
 {
     int numAppLayers = ctx->listStats[mDpy].numAppLayers;
+
+    if(!sEnableMixedMode) {
+        //Mixed mode is disabled. No need to even try caching.
+        return false;
+    }
+
     //Setup mCurrentFrame
     mCurrentFrame.reset(numAppLayers);
     updateLayerCache(ctx, list);

libhwcomposer/hwc_mdpcomp.h

diff --git a/libhwcomposer/hwc_mdpcomp.h b/libhwcomposer/hwc_mdpcomp.h
index e2800d2..6e04918 100644
--- a/libhwcomposer/hwc_mdpcomp.h
+++ b/libhwcomposer/hwc_mdpcomp.h
@@ -166,6 +166,7 @@
 
     int mDpy;
     static bool sEnabled;
+    static bool sEnableMixedMode;
     static bool sDebugLogs;
     static bool sIdleFallBack;
     static int sMaxPipesPerMixer;