Bug 670930 - Use asynchronous direct texturing on Android when available

mobile/android/base/GeckoAppShell.java

@@ -138,6 +138,8 @@ public class GeckoAppShell
     public static native void notifySmsReceived(String aSender, String aBody, long aTimestamp);
     public static native ByteBuffer allocateDirectBuffer(long size);
     public static native void freeDirectBuffer(ByteBuffer buf);
+    public static native void bindWidgetTexture();
+    public static native boolean testDirectTexture();
 
     // A looper thread, accessed by GeckoAppShell.getHandler
     private static class LooperThread extends Thread {
@@ -425,6 +427,14 @@ public class GeckoAppShell
 
         Log.i(LOGTAG, "post native init");
 
+        // If we have direct texture available, use it
+        if (GeckoAppShell.testDirectTexture()) {
+            Log.i(LOGTAG, "Using direct texture for widget layer");
+            GeckoApp.mAppContext.getSoftwareLayerClient().installWidgetLayer();
+        } else {
+            Log.i(LOGTAG, "Falling back to traditional texture upload");
+        }
+
         // Tell Gecko where the target byte buffer is for rendering
         GeckoAppShell.setSoftwareLayerClient(GeckoApp.mAppContext.getSoftwareLayerClient());
 

mobile/android/base/Makefile.in

@@ -107,6 +107,7 @@ JAVAFILES = \
   gfx/TextureReaper.java \
   gfx/TileLayer.java \
   gfx/ViewportMetrics.java \
+  gfx/WidgetTileLayer.java \
   ui/PanZoomController.java \
   $(NULL)
 

mobile/android/base/gfx/GeckoSoftwareLayerClient.java

@@ -45,6 +45,7 @@ import org.mozilla.gecko.gfx.LayerController;
 import org.mozilla.gecko.gfx.LayerRenderer;
 import org.mozilla.gecko.gfx.PointUtils;
 import org.mozilla.gecko.gfx.SingleTileLayer;
+import org.mozilla.gecko.gfx.WidgetTileLayer;
 import org.mozilla.gecko.FloatUtils;
 import org.mozilla.gecko.GeckoApp;
 import org.mozilla.gecko.GeckoAppShell;
@@ -76,7 +77,7 @@ public class GeckoSoftwareLayerClient extends LayerClient implements GeckoEventL
     private IntSize mScreenSize, mViewportSize;
     private IntSize mBufferSize;
     private ByteBuffer mBuffer;
-    private final SingleTileLayer mTileLayer;
+    private Layer mTileLayer;
 
     /* The viewport rect that Gecko is currently displaying. */
     private ViewportMetrics mGeckoViewport;
@@ -125,6 +126,10 @@ public class GeckoSoftwareLayerClient extends LayerClient implements GeckoEventL
         }
     }
 
+    public void installWidgetLayer() {
+        mTileLayer = new WidgetTileLayer(mCairoImage);
+    }
+
     /** Attaches the root layer to the layer controller so that Gecko appears. */
     @Override
     public void setLayerController(LayerController layerController) {
@@ -188,7 +193,9 @@ public class GeckoSoftwareLayerClient extends LayerClient implements GeckoEventL
             updateViewport(metadata, !mUpdateViewportOnEndDraw);
             mUpdateViewportOnEndDraw = false;
             Rect rect = new Rect(x, y, x + width, y + height);
-            mTileLayer.invalidate(rect);
+
+            if (mTileLayer instanceof SingleTileLayer)
+                ((SingleTileLayer)mTileLayer).invalidate(rect);
         } finally {
             endTransaction(mTileLayer);
         }

mobile/android/base/gfx/LayerClient.java

@@ -53,24 +53,24 @@ public abstract class LayerClient {
     }
 
     /**
-     * A utility function for calling TileLayer.beginTransaction with the
+     * A utility function for calling Layer.beginTransaction with the
      * appropriate LayerView.
      */
-    public void beginTransaction(TileLayer aTileLayer) {
+    public void beginTransaction(Layer aLayer) {
         if (mLayerController != null) {
             LayerView view = mLayerController.getView();
             if (view != null) {
-                aTileLayer.beginTransaction(view);
+                aLayer.beginTransaction(view);
                 return;
             }
         }
 
-        aTileLayer.beginTransaction();
+        aLayer.beginTransaction();
     }
 
     // Included for symmetry.
-    public void endTransaction(TileLayer aTileLayer) {
-        aTileLayer.endTransaction();
+    public void endTransaction(Layer aLayer) {
+        aLayer.endTransaction();
     }
 }
 

mobile/android/base/gfx/WidgetTileLayer.java

@@ -0,0 +1,116 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Android code.
+ *
+ * The Initial Developer of the Original Code is Mozilla Foundation.
+ * Portions created by the Initial Developer are Copyright (C) 2009-2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   James Willcox <jwillcox@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+package org.mozilla.gecko.gfx;
+
+import org.mozilla.gecko.gfx.LayerController;
+import org.mozilla.gecko.gfx.SingleTileLayer;
+import org.mozilla.gecko.GeckoAppShell;
+import android.opengl.GLES11;
+import android.opengl.GLES11Ext;
+import android.graphics.RectF;
+import android.util.Log;
+import javax.microedition.khronos.opengles.GL10;
+
+/**
+ * Encapsulates the logic needed to draw the single-tiled Gecko texture
+ */
+public class WidgetTileLayer extends Layer {
+
+    private int[] mTextureIDs;
+    private CairoImage mImage;
+
+    public WidgetTileLayer(CairoImage image) {
+        mImage = image;
+    }
+
+    protected boolean initialized() { return mTextureIDs != null; }
+
+    @Override
+    public IntSize getSize() { return mImage.getSize(); }
+
+    protected void bindAndSetGLParameters() {
+        GLES11.glBindTexture(GL10.GL_TEXTURE_2D, mTextureIDs[0]);
+        GLES11.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_NEAREST);
+        GLES11.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR);
+    }
+
+    @Override
+    protected void finalize() throws Throwable {
+        if (mTextureIDs != null)
+            TextureReaper.get().add(mTextureIDs);
+    }
+
+    @Override
+    protected void performUpdates(GL10 gl) {
+        super.performUpdates(gl);
+
+        if (mTextureIDs == null) {
+            mTextureIDs = new int[1];
+            GLES11.glGenTextures(1, mTextureIDs, 0);
+        }
+
+        bindAndSetGLParameters();
+        GeckoAppShell.bindWidgetTexture();
+    }
+
+    @Override
+    public void draw(RenderContext context) {
+        // mTextureIDs may be null here during startup if Layer.java's draw method
+        // failed to acquire the transaction lock and call performUpdates.
+        if (!initialized())
+            return;
+
+        GLES11.glBindTexture(GL10.GL_TEXTURE_2D, mTextureIDs[0]);
+
+        RectF bounds;
+        int[] cropRect;
+        IntSize size = getSize();
+        RectF viewport = context.viewport;
+
+        bounds = getBounds(context, new FloatSize(size));
+        cropRect = new int[] { 0, size.height, size.width, -size.height };
+        bounds.offset(-viewport.left, -viewport.top);
+
+        GLES11.glTexParameteriv(GL10.GL_TEXTURE_2D, GLES11Ext.GL_TEXTURE_CROP_RECT_OES, cropRect,
+                                0);
+
+        float top = viewport.height() - (bounds.top + bounds.height());
+        GLES11Ext.glDrawTexfOES(bounds.left, top, 0.0f, bounds.width(), bounds.height());
+    }
+}
+

other-licenses/android/APKOpen.cpp

@@ -299,6 +299,8 @@ SHELL_WRAPPER1(cameraCallbackBridge, jbyteArray)
 SHELL_WRAPPER1(notifyUriVisited, jstring)
 SHELL_WRAPPER3(notifyBatteryChange, jdouble, jboolean, jdouble);
 SHELL_WRAPPER3(notifySmsReceived, jstring, jstring, jlong);
+SHELL_WRAPPER0(bindWidgetTexture);
+SHELL_WRAPPER0_WITH_RETURN(testDirectTexture, bool);
 
 static void * xul_handle = NULL;
 static time_t apk_mtime = 0;
@@ -638,7 +640,7 @@ loadLibs(const char *apkName)
   gettimeofday(&t0, 0);
   struct rusage usage1;
   getrusage(RUSAGE_THREAD, &usage1);
-
+  
   void *zip = map_file(apkName);
   struct cdir_end *dirend = (struct cdir_end *)((char *)zip + zip_size - sizeof(*dirend));
   while ((void *)dirend > zip &&
@@ -704,6 +706,8 @@ loadLibs(const char *apkName)
   GETFUNC(notifyUriVisited);
   GETFUNC(notifyBatteryChange);
   GETFUNC(notifySmsReceived);
+  GETFUNC(bindWidgetTexture);
+  GETFUNC(testDirectTexture);
 #undef GETFUNC
   sStartupTimeline = (uint64_t *)__wrap_dlsym(xul_handle, "_ZN7mozilla15StartupTimeline16sStartupTimelineE");
   gettimeofday(&t1, 0);

widget/src/android/AndroidJNI.cpp

@@ -40,6 +40,7 @@
 #include "nsString.h"
 
 #include "AndroidBridge.h"
+#include "AndroidGraphicBuffer.h"
 
 #include <jni.h>
 #include <pthread.h>
@@ -88,6 +89,11 @@ extern "C" {
     NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_notifyUriVisited(JNIEnv *, jclass, jstring uri);
     NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_notifyBatteryChange(JNIEnv* jenv, jclass, jdouble, jboolean, jdouble);
     NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_notifySmsReceived(JNIEnv* jenv, jclass, jstring, jstring, jlong);
+
+#ifdef MOZ_JAVA_COMPOSITOR
+    NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_bindWidgetTexture(JNIEnv* jenv, jclass);
+    NS_EXPORT bool JNICALL Java_org_mozilla_gecko_GeckoAppShell_testDirectTexture(JNIEnv* jenv, jclass);
+#endif
 }
 
 
@@ -278,3 +284,19 @@ Java_org_mozilla_gecko_GeckoAppShell_notifySmsReceived(JNIEnv* jenv, jclass,
     nsCOMPtr<nsIRunnable> runnable = new NotifySmsReceivedRunnable(message);
     NS_DispatchToMainThread(runnable);
 }
+
+#ifdef MOZ_JAVA_COMPOSITOR
+
+NS_EXPORT void JNICALL
+Java_org_mozilla_gecko_GeckoAppShell_bindWidgetTexture(JNIEnv* jenv, jclass)
+{
+    nsWindow::BindToTexture();
+}
+
+NS_EXPORT bool JNICALL
+Java_org_mozilla_gecko_GeckoAppShell_testDirectTexture(JNIEnv* jenv, jclass)
+{
+    return nsWindow::HasDirectTexture();
+}
+
+#endif

widget/src/android/Makefile.in

@@ -61,6 +61,8 @@ CPPSRCS	= \
 	nsAppShell.cpp \
 	AndroidJavaWrappers.cpp \
 	AndroidBridge.cpp \
+	AndroidDirectTexture.cpp \
+	AndroidGraphicBuffer.cpp \
 	AndroidJNI.cpp \
 	nsWindow.cpp \
 	nsLookAndFeel.cpp \

widget/src/android/nsWindow.cpp

@@ -39,6 +39,7 @@
 
 #include <android/log.h>
 #include <math.h>
+#include <unistd.h>
 
 #include "mozilla/dom/ContentParent.h"
 #include "mozilla/dom/ContentChild.h"
@@ -92,6 +93,20 @@ static gfxIntSize gAndroidScreenBounds;
 bool nsWindow::sAccessibilityEnabled = false;
 #endif
 
+#ifdef MOZ_JAVA_COMPOSITOR
+#include "mozilla/Mutex.h"
+#include "nsThreadUtils.h"
+#include "AndroidDirectTexture.h"
+
+static AndroidDirectTexture* sDirectTexture = new AndroidDirectTexture(2048, 2048,
+        AndroidGraphicBuffer::UsageSoftwareWrite | AndroidGraphicBuffer::UsageTexture,
+        gfxASurface::ImageFormatRGB16_565);
+
+static bool sHasDirectTexture = true;
+
+#endif
+
+
 class ContentCreationNotifier;
 static nsCOMPtr<ContentCreationNotifier> gContentCreationNotifier;
 // A helper class to send updates when content processes
@@ -808,6 +823,53 @@ nsWindow::GetThebesSurface()
     return new gfxImageSurface(gfxIntSize(5,5), gfxImageSurface::ImageFormatRGB24);
 }
 
+#ifdef MOZ_JAVA_COMPOSITOR
+
+void
+nsWindow::BindToTexture()
+{
+    sDirectTexture->Bind();
+}
+
+bool
+nsWindow::HasDirectTexture()
+{
+  // If we already tested, return early
+  if (!sHasDirectTexture)
+    return false;
+
+  AndroidGraphicBuffer* buffer = new AndroidGraphicBuffer(512, 512,
+      AndroidGraphicBuffer::UsageSoftwareWrite | AndroidGraphicBuffer::UsageTexture,
+      gfxASurface::ImageFormatRGB16_565);
+
+  unsigned char* bits = NULL;
+  if (!buffer->Lock(AndroidGraphicBuffer::UsageSoftwareWrite, &bits) || !bits) {
+    ALOG("failed to lock graphic buffer");
+    buffer->Unlock();
+    sHasDirectTexture = false;
+    goto cleanup;
+  }
+
+  if (!buffer->Unlock()) {
+    ALOG("failed to unlock graphic buffer");
+    sHasDirectTexture = false;
+    goto cleanup;
+  }
+
+  if (!buffer->Reallocate(1024, 1024, gfxASurface::ImageFormatRGB16_565)) {
+    ALOG("failed to reallocate graphic buffer");
+    sHasDirectTexture = false;
+    goto cleanup;
+  }
+
+cleanup:
+  delete buffer;
+
+  return sHasDirectTexture;
+}
+
+#endif
+
 void
 nsWindow::OnGlobalAndroidEvent(AndroidGeckoEvent *ae)
 {
@@ -1111,9 +1173,26 @@ nsWindow::OnDraw(AndroidGeckoEvent *ae)
     client.BeginDrawing();
 
     nsAutoString metadata;
-    unsigned char *bits = client.LockBufferBits();
+    unsigned char *bits = NULL;
+    if (sHasDirectTexture) {
+      if ((sDirectTexture->Width() != gAndroidBounds.width ||
+           sDirectTexture->Height() != gAndroidBounds.height) &&
+          gAndroidBounds.width != 0 && gAndroidBounds.height != 0) {
+        sDirectTexture->Reallocate(gAndroidBounds.width, gAndroidBounds.height);
+      }
+
+      sDirectTexture->Lock(AndroidGraphicBuffer::UsageSoftwareWrite, &bits);
+    } else {
+      bits = client.LockBufferBits();
+    }
     if (!bits) {
         ALOG("### Failed to lock buffer");
+
+        if (sHasDirectTexture) {
+          sDirectTexture->Unlock();
+        } else {
+          client.UnlockBuffer();
+        }
     } else {
         nsRefPtr<gfxImageSurface> targetSurface =
             new gfxImageSurface(bits, gfxIntSize(gAndroidBounds.width, gAndroidBounds.height), gAndroidBounds.width * 2,
@@ -1121,7 +1200,12 @@ nsWindow::OnDraw(AndroidGeckoEvent *ae)
         if (targetSurface->CairoStatus()) {
             ALOG("### Failed to create a valid surface from the bitmap");
         } else {
-            DrawTo(targetSurface, ae->Rect());
+            if (sHasDirectTexture) {
+              // XXX: lock only the dirty rect above and pass it in here
+              DrawTo(targetSurface);
+            } else {
+              DrawTo(targetSurface, ae->Rect());
+            }
 
             {
                 nsCOMPtr<nsIAndroidDrawMetadataProvider> metadataProvider =
@@ -1130,7 +1214,11 @@ nsWindow::OnDraw(AndroidGeckoEvent *ae)
                     metadataProvider->GetDrawMetadata(metadata);
             }
         }
-        client.UnlockBuffer();
+        if (sHasDirectTexture) {
+          sDirectTexture->Unlock();
+        } else {
+          client.UnlockBuffer();
+        }
     }
     client.EndDrawing(ae->Rect(), metadata);
     return;

widget/src/android/nsWindow.h

@@ -177,6 +177,11 @@ public:
     static bool sAccessibilityEnabled;
 #endif
 
+#ifdef MOZ_JAVA_COMPOSITOR
+    static void BindToTexture();
+    static bool HasDirectTexture();
+#endif
+
 protected:
     void BringToFront();
     nsWindow *FindTopLevel();