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-rw-r--r--core/java/android/view/GLES20Canvas.java12
-rw-r--r--core/java/android/view/GLES20RenderLayer.java7
-rw-r--r--core/java/android/view/GLES20TextureLayer.java5
-rw-r--r--core/java/android/view/HardwareLayer.java12
-rw-r--r--core/java/android/view/HardwareRenderer.java137
5 files changed, 155 insertions, 18 deletions
diff --git a/core/java/android/view/GLES20Canvas.java b/core/java/android/view/GLES20Canvas.java
index 21a03d8..cc7d948 100644
--- a/core/java/android/view/GLES20Canvas.java
+++ b/core/java/android/view/GLES20Canvas.java
@@ -274,6 +274,18 @@ class GLES20Canvas extends HardwareCanvas {
private static native int nGetStencilSize();
+ void setCountOverdrawEnabled(boolean enabled) {
+ nSetCountOverdrawEnabled(mRenderer, enabled);
+ }
+
+ static native void nSetCountOverdrawEnabled(int renderer, boolean enabled);
+
+ float getOverdraw() {
+ return nGetOverdraw(mRenderer);
+ }
+
+ static native float nGetOverdraw(int renderer);
+
///////////////////////////////////////////////////////////////////////////
// Functor
///////////////////////////////////////////////////////////////////////////
diff --git a/core/java/android/view/GLES20RenderLayer.java b/core/java/android/view/GLES20RenderLayer.java
index 685dc70..68ba77c 100644
--- a/core/java/android/view/GLES20RenderLayer.java
+++ b/core/java/android/view/GLES20RenderLayer.java
@@ -100,12 +100,17 @@ class GLES20RenderLayer extends GLES20Layer {
@Override
HardwareCanvas start(Canvas currentCanvas) {
+ return start(currentCanvas, null);
+ }
+
+ @Override
+ HardwareCanvas start(Canvas currentCanvas, Rect dirty) {
if (currentCanvas instanceof GLES20Canvas) {
((GLES20Canvas) currentCanvas).interrupt();
}
HardwareCanvas canvas = getCanvas();
canvas.setViewport(mWidth, mHeight);
- canvas.onPreDraw(null);
+ canvas.onPreDraw(dirty);
return canvas;
}
diff --git a/core/java/android/view/GLES20TextureLayer.java b/core/java/android/view/GLES20TextureLayer.java
index e863e49..a4cc630 100644
--- a/core/java/android/view/GLES20TextureLayer.java
+++ b/core/java/android/view/GLES20TextureLayer.java
@@ -63,6 +63,11 @@ class GLES20TextureLayer extends GLES20Layer {
}
@Override
+ HardwareCanvas start(Canvas currentCanvas, Rect dirty) {
+ return null;
+ }
+
+ @Override
void end(Canvas currentCanvas) {
}
diff --git a/core/java/android/view/HardwareLayer.java b/core/java/android/view/HardwareLayer.java
index 18b838b..23383d9 100644
--- a/core/java/android/view/HardwareLayer.java
+++ b/core/java/android/view/HardwareLayer.java
@@ -158,14 +158,22 @@ abstract class HardwareLayer {
/**
* This must be invoked before drawing onto this layer.
*
- * @param currentCanvas
+ * @param currentCanvas The canvas whose rendering needs to be interrupted
*/
abstract HardwareCanvas start(Canvas currentCanvas);
/**
+ * This must be invoked before drawing onto this layer.
+ *
+ * @param dirty The dirty area to repaint
+ * @param currentCanvas The canvas whose rendering needs to be interrupted
+ */
+ abstract HardwareCanvas start(Canvas currentCanvas, Rect dirty);
+
+ /**
* This must be invoked after drawing onto this layer.
*
- * @param currentCanvas
+ * @param currentCanvas The canvas whose rendering needs to be resumed
*/
abstract void end(Canvas currentCanvas);
diff --git a/core/java/android/view/HardwareRenderer.java b/core/java/android/view/HardwareRenderer.java
index c7b1253..e8c1653 100644
--- a/core/java/android/view/HardwareRenderer.java
+++ b/core/java/android/view/HardwareRenderer.java
@@ -17,6 +17,7 @@
package android.view;
import android.content.ComponentCallbacks2;
+import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.SurfaceTexture;
@@ -45,7 +46,6 @@ import javax.microedition.khronos.opengles.GL;
import java.io.File;
import java.io.PrintWriter;
-import java.util.Arrays;
import java.util.concurrent.locks.ReentrantLock;
import static javax.microedition.khronos.egl.EGL10.*;
@@ -165,15 +165,32 @@ public abstract class HardwareRenderer {
"debug.hwui.show_layers_updates";
/**
- * Turn on to show overdraw level.
+ * Controls overdraw debugging.
*
* Possible values:
- * "true", to enable overdraw debugging
* "false", to disable overdraw debugging
+ * "show", to show overdraw areas on screen
+ * "count", to display an overdraw counter
*
* @hide
*/
- public static final String DEBUG_SHOW_OVERDRAW_PROPERTY = "debug.hwui.show_overdraw";
+ public static final String DEBUG_OVERDRAW_PROPERTY = "debug.hwui.overdraw";
+
+ /**
+ * Value for {@link #DEBUG_OVERDRAW_PROPERTY}. When the property is set to this
+ * value, overdraw will be shown on screen by coloring pixels.
+ *
+ * @hide
+ */
+ public static final String OVERDRAW_PROPERTY_SHOW = "show";
+
+ /**
+ * Value for {@link #DEBUG_OVERDRAW_PROPERTY}. When the property is set to this
+ * value, an overdraw counter will be shown on screen.
+ *
+ * @hide
+ */
+ public static final String OVERDRAW_PROPERTY_COUNT = "count";
/**
* Turn on to debug non-rectangular clip operations.
@@ -765,6 +782,17 @@ public abstract class HardwareRenderer {
private static final int PROFILE_DRAW_THRESHOLD_STROKE_WIDTH = 2;
private static final int PROFILE_DRAW_DP_PER_MS = 7;
+ private static final String[] VISUALIZERS = {
+ PROFILE_PROPERTY_VISUALIZE_BARS,
+ PROFILE_PROPERTY_VISUALIZE_LINES
+ };
+
+ private static final String[] OVERDRAW = {
+ OVERDRAW_PROPERTY_SHOW,
+ OVERDRAW_PROPERTY_COUNT
+ };
+ private static final int OVERDRAW_TYPE_COUNT = 1;
+
static EGL10 sEgl;
static EGLDisplay sEglDisplay;
static EGLConfig sEglConfig;
@@ -810,7 +838,9 @@ public abstract class HardwareRenderer {
Paint mProfilePaint;
boolean mDebugDirtyRegions;
- boolean mShowOverdraw;
+ int mDebugOverdraw = -1;
+ HardwareLayer mDebugOverdrawLayer;
+ Paint mDebugOverdrawPaint;
final int mGlVersion;
final boolean mTranslucent;
@@ -829,18 +859,13 @@ public abstract class HardwareRenderer {
loadSystemProperties(null);
}
- private static final String[] VISUALIZERS = {
- PROFILE_PROPERTY_VISUALIZE_BARS,
- PROFILE_PROPERTY_VISUALIZE_LINES
- };
-
@Override
boolean loadSystemProperties(Surface surface) {
boolean value;
boolean changed = false;
String profiling = SystemProperties.get(PROFILE_PROPERTY);
- int graphType = Arrays.binarySearch(VISUALIZERS, profiling);
+ int graphType = search(VISUALIZERS, profiling);
value = graphType >= 0;
if (graphType != mProfileVisualizerType) {
@@ -897,11 +922,19 @@ public abstract class HardwareRenderer {
}
}
- value = SystemProperties.getBoolean(
- HardwareRenderer.DEBUG_SHOW_OVERDRAW_PROPERTY, false);
- if (value != mShowOverdraw) {
+ String overdraw = SystemProperties.get(HardwareRenderer.DEBUG_OVERDRAW_PROPERTY);
+ int debugOverdraw = search(OVERDRAW, overdraw);
+ if (debugOverdraw != mDebugOverdraw) {
changed = true;
- mShowOverdraw = value;
+ mDebugOverdraw = debugOverdraw;
+
+ if (mDebugOverdraw != OVERDRAW_TYPE_COUNT) {
+ if (mDebugOverdrawLayer != null) {
+ mDebugOverdrawLayer.destroy();
+ mDebugOverdrawLayer = null;
+ mDebugOverdrawPaint = null;
+ }
+ }
}
if (nLoadProperties()) {
@@ -911,6 +944,13 @@ public abstract class HardwareRenderer {
return changed;
}
+ private static int search(String[] values, String value) {
+ for (int i = 0; i < values.length; i++) {
+ if (values[i].equals(value)) return i;
+ }
+ return -1;
+ }
+
@Override
void dumpGfxInfo(PrintWriter pw) {
if (mProfileEnabled) {
@@ -1392,6 +1432,8 @@ public abstract class HardwareRenderer {
canvas.restoreToCount(saveCount);
view.mRecreateDisplayList = false;
+ debugOverdraw(attachInfo, dirty, canvas, displayList);
+
mFrameCount++;
debugDirtyRegions(dirty, canvas);
@@ -1411,6 +1453,61 @@ public abstract class HardwareRenderer {
}
}
+ abstract void countOverdraw(HardwareCanvas canvas);
+ abstract float getOverdraw(HardwareCanvas canvas);
+
+ private void debugOverdraw(View.AttachInfo attachInfo, Rect dirty,
+ HardwareCanvas canvas, DisplayList displayList) {
+
+ if (mDebugOverdraw == OVERDRAW_TYPE_COUNT) {
+ // TODO: Use an alpha layer allocated from a GraphicBuffer
+ // The alpha format will help with rendering performance and
+ // the GraphicBuffer will let us skip the read pixels step
+ if (mDebugOverdrawLayer == null) {
+ mDebugOverdrawLayer = createHardwareLayer(mWidth, mHeight, true);
+ } else if (mDebugOverdrawLayer.getWidth() != mWidth ||
+ mDebugOverdrawLayer.getHeight() != mHeight) {
+ mDebugOverdrawLayer.resize(mWidth, mHeight);
+ }
+
+ if (!mDebugOverdrawLayer.isValid()) {
+ mDebugOverdraw = -1;
+ return;
+ }
+
+ HardwareCanvas layerCanvas = mDebugOverdrawLayer.start(canvas, dirty);
+ countOverdraw(layerCanvas);
+ final int restoreCount = layerCanvas.save();
+ layerCanvas.drawDisplayList(displayList, null, DisplayList.FLAG_CLIP_CHILDREN);
+ layerCanvas.restoreToCount(restoreCount);
+ mDebugOverdrawLayer.end(canvas);
+
+ float overdraw = getOverdraw(layerCanvas);
+ DisplayMetrics metrics = attachInfo.mRootView.getResources().getDisplayMetrics();
+
+ drawOverdrawCounter(canvas, overdraw, metrics.density);
+ }
+ }
+
+ private void drawOverdrawCounter(HardwareCanvas canvas, float overdraw, float density) {
+ final String text = String.format("%.2fx", overdraw);
+ final Paint paint = setupPaint(density);
+ // HSBtoColor will clamp the values in the 0..1 range
+ paint.setColor(Color.HSBtoColor(0.28f - 0.28f * overdraw / 3.5f, 0.8f, 1.0f));
+
+ canvas.drawText(text, density * 4.0f, mHeight - paint.getFontMetrics().bottom, paint);
+ }
+
+ private Paint setupPaint(float density) {
+ if (mDebugOverdrawPaint == null) {
+ mDebugOverdrawPaint = new Paint();
+ mDebugOverdrawPaint.setAntiAlias(true);
+ mDebugOverdrawPaint.setShadowLayer(density * 3.0f, 0.0f, 0.0f, 0xff000000);
+ mDebugOverdrawPaint.setTextSize(density * 20.0f);
+ }
+ return mDebugOverdrawPaint;
+ }
+
private DisplayList buildDisplayList(View view, HardwareCanvas canvas) {
view.mRecreateDisplayList = (view.mPrivateFlags & View.PFLAG_INVALIDATED)
== View.PFLAG_INVALIDATED;
@@ -2019,6 +2116,16 @@ public abstract class HardwareRenderer {
}
@Override
+ void countOverdraw(HardwareCanvas canvas) {
+ ((GLES20Canvas) canvas).setCountOverdrawEnabled(true);
+ }
+
+ @Override
+ float getOverdraw(HardwareCanvas canvas) {
+ return ((GLES20Canvas) canvas).getOverdraw();
+ }
+
+ @Override
public SurfaceTexture createSurfaceTexture(HardwareLayer layer) {
return ((GLES20TextureLayer) layer).getSurfaceTexture();
}
generated by cgit v1.1 at 2025-11-27 10:34:46 +0000