Share Caches' index buffer with FontRenderer

This reduces state changes when we draw 9patches and text together,
which happens *a lot*. Also disable the NV profiling extension by
default since it doesn't play nice with display lists deferrals.
To enable it set debug.hwui.nv_profiling to true.

Change-Id: I518b44b7d294e5def10c78911ceb9f01ae401609

1 files changed, 8 insertions, 1 deletions

diff --git a/libs/hwui/Extensions.cpp b/libs/hwui/Extensions.cpp
index eefdb84db6d8..218c18ee16df 100644
--- a/libs/hwui/Extensions.cpp
+++ b/libs/hwui/Extensions.cpp
@@ -26,6 +26,7 @@
 
 #include "Debug.h"
 #include "Extensions.h"
+#include "Properties.h"
 
 namespace android {
 
@@ -63,7 +64,13 @@ Extensions::Extensions(): Singleton<Extensions>() {
 
     // Query EGL extensions
     findExtensions(eglQueryString(eglGetCurrentDisplay(), EGL_EXTENSIONS), mEglExtensionList);
-    mHasNvSystemTime = hasEglExtension("EGL_NV_system_time");
+
+    char property[PROPERTY_VALUE_MAX];
+    if (property_get(PROPERTY_DEBUG_NV_PROFILING, property, NULL) > 0) {
+        mHasNvSystemTime = !strcmp(property, "true") && hasEglExtension("EGL_NV_system_time");
+    } else {
+        mHasNvSystemTime = false;
+    }
 
     const char* version = (const char*) glGetString(GL_VERSION);