Add an on-screen overdraw counter
The counter can be enabled by setting the system property called
debug.hwui.overdraw to the string "count". If the string is set
to "show", overdraw will be highlighted on screen instead of
printing out a simple counter.
Change-Id: I9a9c970d54bffab43138bbb7682f6c04bc2c40bd
diff --git a/libs/hwui/OpenGLRenderer.h b/libs/hwui/OpenGLRenderer.h
index 640c7db..df275d7 100644
--- a/libs/hwui/OpenGLRenderer.h
+++ b/libs/hwui/OpenGLRenderer.h
@@ -192,6 +192,14 @@
*/
virtual void resume();
+ ANDROID_API void setCountOverdrawEnabled(bool enabled) {
+ mCountOverdraw = enabled;
+ }
+
+ ANDROID_API float getOverdraw() {
+ return mCountOverdraw ? mOverdraw : 0.0f;
+ }
+
ANDROID_API status_t invokeFunctors(Rect& dirty);
ANDROID_API void detachFunctor(Functor* functor);
ANDROID_API void attachFunctor(Functor* functor);
@@ -981,6 +989,7 @@
void debugOverdraw(bool enable, bool clear);
void renderOverdraw();
+ void countOverdraw();
/**
* Should be invoked every time the glScissor is modified.
@@ -1072,6 +1081,12 @@
// No-ops start/endTiling when set
bool mSuppressTiling;
+
+ // If true, this renderer will setup drawing to emulate
+ // an increment stencil buffer in the color buffer
+ bool mCountOverdraw;
+ float mOverdraw;
+
// Optional name of the renderer
String8 mName;