android_view_Surface.cpp revision 667809ef5d2d1fe3796cdc9bdd09503a70d2ba6c
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/*
29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project
39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *
49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License");
59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License.
69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at
79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *
89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *      http://www.apache.org/licenses/LICENSE-2.0
99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *
109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software
119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS,
129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and
149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License.
159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */
169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
17fae5cb2b356a1fef172b43066180a7ab4c32dbacMathias Agopian#define LOG_TAG "Surface"
18fae5cb2b356a1fef172b43066180a7ab4c32dbacMathias Agopian
199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdio.h>
209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
213866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian#include "jni.h"
223866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian#include "JNIHelp.h"
2364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown#include "android_os_Parcel.h"
24a111187a5b4dc5d287e29ced7d65e8d20edca140Dianne Hackborn#include "android/graphics/GraphicsJNI.h"
259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
263866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian#include <android_runtime/AndroidRuntime.h>
273866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian#include <android_runtime/android_view_Surface.h>
283866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian#include <android_runtime/android_graphics_SurfaceTexture.h>
298335f1ccccedb6655d96d9d5b697a7f0938235ddMathias Agopian
304a05f436989a49e06ec762aac9507ad13fcc5e23Mathias Agopian#include <binder/Parcel.h>
314a05f436989a49e06ec762aac9507ad13fcc5e23Mathias Agopian
328335f1ccccedb6655d96d9d5b697a7f0938235ddMathias Agopian#include <gui/Surface.h>
3352800617946c456e78ed010c82d0ec4358368164Mathias Agopian#include <gui/SurfaceControl.h>
34d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden#include <gui/GLConsumer.h>
358335f1ccccedb6655d96d9d5b697a7f0938235ddMathias Agopian
369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/Rect.h>
378335f1ccccedb6655d96d9d5b697a7f0938235ddMathias Agopian#include <ui/Region.h>
389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <SkCanvas.h>
409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <SkBitmap.h>
416158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian#include <SkRegion.h>
429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/misc.h>
449e316a1a2a8d734315bbd56a85308f9657a92913Jeff Brown#include <utils/Log.h>
459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
4664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown#include <ScopedUtfChars.h>
4764a55af0ac700baecb0877235eb42caac59a3560Jeff Brown
489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ----------------------------------------------------------------------------
499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android {
519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* const OutOfResourcesException =
539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    "android/view/Surface$OutOfResourcesException";
549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
5564a55af0ac700baecb0877235eb42caac59a3560Jeff Brownstatic struct {
5664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    jclass clazz;
573866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    jfieldID mNativeObject;
587c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian    jfieldID mNativeObjectLock;
5964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    jfieldID mCanvas;
60cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown    jmethodID ctor;
6164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown} gSurfaceClassInfo;
6264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown
6364a55af0ac700baecb0877235eb42caac59a3560Jeff Brownstatic struct {
6464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    jfieldID left;
6564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    jfieldID top;
6664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    jfieldID right;
6764a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    jfieldID bottom;
6864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown} gRectClassInfo;
6964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown
7064a55af0ac700baecb0877235eb42caac59a3560Jeff Brownstatic struct {
71fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger    jfieldID mFinalizer;
7264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    jfieldID mNativeCanvas;
7364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    jfieldID mSurfaceFormat;
7464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown} gCanvasClassInfo;
7564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown
7664a55af0ac700baecb0877235eb42caac59a3560Jeff Brownstatic struct {
77fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger    jfieldID mNativeCanvas;
78fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger} gCanvasFinalizerClassInfo;
79fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger
809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ----------------------------------------------------------------------------
819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
82b1d90c8f60f71422196c337f1d078b68867f5710Mathias Agopian// this is just a pointer we use to pass to inc/decStrong
83b1d90c8f60f71422196c337f1d078b68867f5710Mathias Agopianstatic const void *sRefBaseOwner;
84b1d90c8f60f71422196c337f1d078b68867f5710Mathias Agopian
8564a55af0ac700baecb0877235eb42caac59a3560Jeff Brownbool android_view_Surface_isInstanceOf(JNIEnv* env, jobject obj) {
8664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    return env->IsInstanceOf(obj, gSurfaceClassInfo.clazz);
87050316184b01c0d1a01c46afae7429b89a27c31btedbo}
88050316184b01c0d1a01c46afae7429b89a27c31btedbo
893866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopiansp<ANativeWindow> android_view_Surface_getNativeWindow(JNIEnv* env, jobject surfaceObj) {
903866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    return android_view_Surface_getSurface(env, surfaceObj);
919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}
929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
933866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopiansp<Surface> android_view_Surface_getSurface(JNIEnv* env, jobject surfaceObj) {
947c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian    sp<Surface> sur;
957c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian    jobject lock = env->GetObjectField(surfaceObj,
967c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian            gSurfaceClassInfo.mNativeObjectLock);
977c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian    if (env->MonitorEnter(lock) == JNI_OK) {
987c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian        sur = reinterpret_cast<Surface *>(
997c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian                env->GetIntField(surfaceObj, gSurfaceClassInfo.mNativeObject));
1007c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian        env->MonitorExit(lock);
1017c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian    }
1027c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian    return sur;
103cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown}
104cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown
10529479ebe1007361222bf6ab4d5e2a27927d4b8e8Mathias Agopianjobject android_view_Surface_createFromIGraphicBufferProducer(JNIEnv* env,
106d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden        const sp<IGraphicBufferProducer>& bufferProducer) {
107d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden    if (bufferProducer == NULL) {
108cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown        return NULL;
109cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown    }
110cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown
111d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden    sp<Surface> surface(new Surface(bufferProducer));
112cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown    if (surface == NULL) {
113cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown        return NULL;
114cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown    }
115cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown
1163866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    jobject surfaceObj = env->NewObject(gSurfaceClassInfo.clazz, gSurfaceClassInfo.ctor, surface.get());
117cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown    if (surfaceObj == NULL) {
118cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown        if (env->ExceptionCheck()) {
119d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden            ALOGE("Could not create instance of Surface from IGraphicBufferProducer.");
120cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown            LOGE_EX(env);
121cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown            env->ExceptionClear();
122cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown        }
123cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown        return NULL;
124cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown    }
125b1d90c8f60f71422196c337f1d078b68867f5710Mathias Agopian    surface->incStrong(&sRefBaseOwner);
126cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown    return surfaceObj;
127cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown}
128cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown
1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ----------------------------------------------------------------------------
1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
131f3d3b4d80618d498fb669c8bfdc492ce9ea25691Mathias Agopianstatic inline bool isSurfaceValid(const sp<Surface>& sur) {
132f3d3b4d80618d498fb669c8bfdc492ce9ea25691Mathias Agopian    return Surface::isValid(sur);
13352800617946c456e78ed010c82d0ec4358368164Mathias Agopian}
13452800617946c456e78ed010c82d0ec4358368164Mathias Agopian
13552800617946c456e78ed010c82d0ec4358368164Mathias Agopian// ----------------------------------------------------------------------------
13652800617946c456e78ed010c82d0ec4358368164Mathias Agopian
13752800617946c456e78ed010c82d0ec4358368164Mathias Agopianstatic jint nativeCreateFromSurfaceTexture(JNIEnv* env, jclass clazz,
13864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown        jobject surfaceTextureObj) {
139d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden    sp<GLConsumer> st(SurfaceTexture_getSurfaceTexture(env, surfaceTextureObj));
1402e76c992bfa955cb637417005941e3e93810a99dDaniel Lam    if (st == NULL) {
1412e76c992bfa955cb637417005941e3e93810a99dDaniel Lam        jniThrowException(env, "java/lang/IllegalArgumentException",
1422e76c992bfa955cb637417005941e3e93810a99dDaniel Lam                "SurfaceTexture has already been released");
1433866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian        return 0;
1442e76c992bfa955cb637417005941e3e93810a99dDaniel Lam    }
14564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown
146d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden    sp<IGraphicBufferProducer> bq = st->getBufferQueue();
1472e76c992bfa955cb637417005941e3e93810a99dDaniel Lam    sp<Surface> surface(new Surface(bq));
1480de171b0d490a5928d54d2fb67c912d140aac643Ted Bonkenburg    if (surface == NULL) {
1490de171b0d490a5928d54d2fb67c912d140aac643Ted Bonkenburg        jniThrowException(env, OutOfResourcesException, NULL);
1503866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian        return 0;
1510de171b0d490a5928d54d2fb67c912d140aac643Ted Bonkenburg    }
1520de171b0d490a5928d54d2fb67c912d140aac643Ted Bonkenburg
153b1d90c8f60f71422196c337f1d078b68867f5710Mathias Agopian    surface->incStrong(&sRefBaseOwner);
1543866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    return int(surface.get());
1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}
1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
15729479ebe1007361222bf6ab4d5e2a27927d4b8e8Mathias Agopianstatic void nativeRelease(JNIEnv* env, jclass clazz, jint nativeObject) {
1583866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    sp<Surface> sur(reinterpret_cast<Surface *>(nativeObject));
159b1d90c8f60f71422196c337f1d078b68867f5710Mathias Agopian    sur->decStrong(&sRefBaseOwner);
1608138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen}
1618138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen
16229479ebe1007361222bf6ab4d5e2a27927d4b8e8Mathias Agopianstatic jboolean nativeIsValid(JNIEnv* env, jclass clazz, jint nativeObject) {
1633866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    sp<Surface> sur(reinterpret_cast<Surface *>(nativeObject));
16452800617946c456e78ed010c82d0ec4358368164Mathias Agopian    return isSurfaceValid(sur) ? JNI_TRUE : JNI_FALSE;
1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}
1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
16729479ebe1007361222bf6ab4d5e2a27927d4b8e8Mathias Agopianstatic jboolean nativeIsConsumerRunningBehind(JNIEnv* env, jclass clazz, jint nativeObject) {
1683866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    sp<Surface> sur(reinterpret_cast<Surface *>(nativeObject));
16952800617946c456e78ed010c82d0ec4358368164Mathias Agopian    if (!isSurfaceValid(sur)) {
170c14bacf1fb511472138eeb5dc84a9423fc003214Mathias Agopian        doThrowIAE(env);
17164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown        return JNI_FALSE;
172c14bacf1fb511472138eeb5dc84a9423fc003214Mathias Agopian    }
17364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    int value = 0;
1743866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    ANativeWindow* anw = static_cast<ANativeWindow*>(sur.get());
175c14bacf1fb511472138eeb5dc84a9423fc003214Mathias Agopian    anw->query(anw, NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND, &value);
17664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    return value;
177c14bacf1fb511472138eeb5dc84a9423fc003214Mathias Agopian}
178c14bacf1fb511472138eeb5dc84a9423fc003214Mathias Agopian
17964a55af0ac700baecb0877235eb42caac59a3560Jeff Brownstatic inline SkBitmap::Config convertPixelFormat(PixelFormat format) {
180f1e5b0d4e5d0d2a78c234cd0cbd3005a74a79429Mathias Agopian    /* note: if PIXEL_FORMAT_RGBX_8888 means that all alpha bytes are 0xFF, then
1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        we can map to SkBitmap::kARGB_8888_Config, and optionally call
1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        bitmap.setIsOpaque(true) on the resulting SkBitmap (as an accelerator)
1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    */
1848138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen    switch (format) {
1858138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen    case PIXEL_FORMAT_RGBX_8888:    return SkBitmap::kARGB_8888_Config;
1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    case PIXEL_FORMAT_RGBA_8888:    return SkBitmap::kARGB_8888_Config;
1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    case PIXEL_FORMAT_RGBA_4444:    return SkBitmap::kARGB_4444_Config;
1888138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen    case PIXEL_FORMAT_RGB_565:      return SkBitmap::kRGB_565_Config;
1898138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen    case PIXEL_FORMAT_A_8:          return SkBitmap::kA8_Config;
1908138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen    default:                        return SkBitmap::kNo_Config;
1918138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen    }
1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}
1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
194fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenbergerstatic inline void swapCanvasPtr(JNIEnv* env, jobject canvasObj, SkCanvas* newCanvas) {
195fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger  jobject canvasFinalizerObj = env->GetObjectField(canvasObj, gCanvasClassInfo.mFinalizer);
196fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger  SkCanvas* previousCanvas = reinterpret_cast<SkCanvas*>(
197fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger          env->GetIntField(canvasObj, gCanvasClassInfo.mNativeCanvas));
198fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger  env->SetIntField(canvasObj, gCanvasClassInfo.mNativeCanvas, (int)newCanvas);
199fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger  env->SetIntField(canvasFinalizerObj, gCanvasFinalizerClassInfo.mNativeCanvas, (int)newCanvas);
200fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger  SkSafeUnref(previousCanvas);
201fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger}
202fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger
2033866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic jobject nativeLockCanvas(JNIEnv* env, jobject surfaceObj, jint nativeObject, jobject dirtyRectObj) {
2043866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    sp<Surface> surface(reinterpret_cast<Surface *>(nativeObject));
2053866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian
20652800617946c456e78ed010c82d0ec4358368164Mathias Agopian    if (!isSurfaceValid(surface)) {
2078451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes        doThrowIAE(env);
20864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown        return NULL;
209fea12b87f2988f20ea87314c4a1b47e1a0f4d95eRomain Guy    }
2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
211667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian    Rect dirtyRect;
212667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian    Rect* dirtyRectPtr = NULL;
213667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian
21464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    if (dirtyRectObj) {
215667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian        dirtyRect.left   = env->GetIntField(dirtyRectObj, gRectClassInfo.left);
216667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian        dirtyRect.top    = env->GetIntField(dirtyRectObj, gRectClassInfo.top);
217667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian        dirtyRect.right  = env->GetIntField(dirtyRectObj, gRectClassInfo.right);
218667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian        dirtyRect.bottom = env->GetIntField(dirtyRectObj, gRectClassInfo.bottom);
219667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian        dirtyRectPtr = &dirtyRect;
2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
22252800617946c456e78ed010c82d0ec4358368164Mathias Agopian    ANativeWindow_Buffer outBuffer;
223667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian    status_t err = surface->lock(&outBuffer, dirtyRectPtr);
2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    if (err < 0) {
2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        const char* const exception = (err == NO_MEMORY) ?
22664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown                OutOfResourcesException :
22764a55af0ac700baecb0877235eb42caac59a3560Jeff Brown                "java/lang/IllegalArgumentException";
2288451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes        jniThrowException(env, exception, NULL);
22964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown        return NULL;
2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    // Associate a SkCanvas object to this surface
23364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    jobject canvasObj = env->GetObjectField(surfaceObj, gSurfaceClassInfo.mCanvas);
23452800617946c456e78ed010c82d0ec4358368164Mathias Agopian    env->SetIntField(canvasObj, gCanvasClassInfo.mSurfaceFormat, outBuffer.format);
2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    SkBitmap bitmap;
23752800617946c456e78ed010c82d0ec4358368164Mathias Agopian    ssize_t bpr = outBuffer.stride * bytesPerPixel(outBuffer.format);
23852800617946c456e78ed010c82d0ec4358368164Mathias Agopian    bitmap.setConfig(convertPixelFormat(outBuffer.format), outBuffer.width, outBuffer.height, bpr);
23952800617946c456e78ed010c82d0ec4358368164Mathias Agopian    if (outBuffer.format == PIXEL_FORMAT_RGBX_8888) {
240f1e5b0d4e5d0d2a78c234cd0cbd3005a74a79429Mathias Agopian        bitmap.setIsOpaque(true);
241f1e5b0d4e5d0d2a78c234cd0cbd3005a74a79429Mathias Agopian    }
24252800617946c456e78ed010c82d0ec4358368164Mathias Agopian    if (outBuffer.width > 0 && outBuffer.height > 0) {
24352800617946c456e78ed010c82d0ec4358368164Mathias Agopian        bitmap.setPixels(outBuffer.bits);
2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    } else {
2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        // be safe with an empty bitmap.
2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        bitmap.setPixels(NULL);
2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
248fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger
249fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger    SkCanvas* nativeCanvas = SkNEW_ARGS(SkCanvas, (bitmap));
250fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger    swapCanvasPtr(env, canvasObj, nativeCanvas);
2518451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes
252667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian    if (dirtyRectPtr) {
253667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian        nativeCanvas->clipRect( SkRect::Make(reinterpret_cast<const SkIRect&>(dirtyRect)) );
2546158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian    }
2556158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian
25664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    if (dirtyRectObj) {
257667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian        env->SetIntField(dirtyRectObj, gRectClassInfo.left,   dirtyRect.left);
258667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian        env->SetIntField(dirtyRectObj, gRectClassInfo.top,    dirtyRect.top);
259667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian        env->SetIntField(dirtyRectObj, gRectClassInfo.right,  dirtyRect.right);
260667809ef5d2d1fe3796cdc9bdd09503a70d2ba6cMathias Agopian        env->SetIntField(dirtyRectObj, gRectClassInfo.bottom, dirtyRect.bottom);
2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
2628451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes
26364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    return canvasObj;
2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}
2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2663866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic void nativeUnlockCanvasAndPost(JNIEnv* env, jobject surfaceObj, jint nativeObject, jobject canvasObj) {
26764a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    jobject ownCanvasObj = env->GetObjectField(surfaceObj, gSurfaceClassInfo.mCanvas);
26864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    if (!env->IsSameObject(ownCanvasObj, canvasObj)) {
2698451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes        doThrowIAE(env);
2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        return;
2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
2728451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes
2733866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    sp<Surface> surface(reinterpret_cast<Surface *>(nativeObject));
27452800617946c456e78ed010c82d0ec4358368164Mathias Agopian    if (!isSurfaceValid(surface)) {
2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        return;
27664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    }
2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    // detach the canvas from the surface
279fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger    SkCanvas* nativeCanvas = SkNEW(SkCanvas);
280fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger    swapCanvasPtr(env, canvasObj, nativeCanvas);
2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    // unlock surface
2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    status_t err = surface->unlockAndPost();
2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    if (err < 0) {
2858451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes        doThrowIAE(env);
2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}
2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
28964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown// ----------------------------------------------------------------------------
29064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown
29129479ebe1007361222bf6ab4d5e2a27927d4b8e8Mathias Agopianstatic jint nativeCopyFrom(JNIEnv* env, jclass clazz,
2923866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian        jint nativeObject, jint surfaceControlNativeObj) {
29317f638b39f2e8b610ecfa1290e5bc42ab7700c98Mathias Agopian    /*
29417f638b39f2e8b610ecfa1290e5bc42ab7700c98Mathias Agopian     * This is used by the WindowManagerService just after constructing
29517f638b39f2e8b610ecfa1290e5bc42ab7700c98Mathias Agopian     * a Surface and is necessary for returning the Surface reference to
29617f638b39f2e8b610ecfa1290e5bc42ab7700c98Mathias Agopian     * the caller. At this point, we should only have a SurfaceControl.
29717f638b39f2e8b610ecfa1290e5bc42ab7700c98Mathias Agopian     */
298fae5cb2b356a1fef172b43066180a7ab4c32dbacMathias Agopian
2993866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    sp<SurfaceControl> ctrl(reinterpret_cast<SurfaceControl *>(surfaceControlNativeObj));
3003866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    sp<Surface> other(ctrl->getSurface());
3013866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    if (other != NULL) {
302b1d90c8f60f71422196c337f1d078b68867f5710Mathias Agopian        other->incStrong(&sRefBaseOwner);
3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3053866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    sp<Surface> sur(reinterpret_cast<Surface *>(nativeObject));
3063866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    if (sur != NULL) {
307b1d90c8f60f71422196c337f1d078b68867f5710Mathias Agopian        sur->decStrong(&sRefBaseOwner);
3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3103866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    return int(other.get());
31161566cc1932468720a831ad5cbc68ee080d613c9Dianne Hackborn}
31261566cc1932468720a831ad5cbc68ee080d613c9Dianne Hackborn
31329479ebe1007361222bf6ab4d5e2a27927d4b8e8Mathias Agopianstatic jint nativeReadFromParcel(JNIEnv* env, jclass clazz,
3143866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian        jint nativeObject, jobject parcelObj) {
31564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    Parcel* parcel = parcelForJavaObject(env, parcelObj);
3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    if (parcel == NULL) {
3178451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes        doThrowNPE(env);
3183866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian        return 0;
3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
320c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian
3213866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    sp<Surface> self(reinterpret_cast<Surface *>(nativeObject));
322c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian    sp<IBinder> binder(parcel->readStrongBinder());
323c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian
324c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian    // update the Surface only if the underlying IGraphicBufferProducer
325c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian    // has changed.
326c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian    if (self != NULL
327c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian            && (self->getIGraphicBufferProducer()->asBinder() == binder)) {
328c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian        // same IGraphicBufferProducer, return ourselves
329c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian        return int(self.get());
3303866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    }
3314a05f436989a49e06ec762aac9507ad13fcc5e23Mathias Agopian
3324a05f436989a49e06ec762aac9507ad13fcc5e23Mathias Agopian    sp<Surface> sur;
333c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian    sp<IGraphicBufferProducer> gbp(interface_cast<IGraphicBufferProducer>(binder));
3344a05f436989a49e06ec762aac9507ad13fcc5e23Mathias Agopian    if (gbp != NULL) {
335c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian        // we have a new IGraphicBufferProducer, create a new Surface for it
3364a05f436989a49e06ec762aac9507ad13fcc5e23Mathias Agopian        sur = new Surface(gbp);
337c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian        // and keep a reference before passing to java
338b1d90c8f60f71422196c337f1d078b68867f5710Mathias Agopian        sur->incStrong(&sRefBaseOwner);
3393866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    }
3404a05f436989a49e06ec762aac9507ad13fcc5e23Mathias Agopian
341c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian    if (self != NULL) {
342c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian        // and loose the java reference to ourselves
343c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian        self->decStrong(&sRefBaseOwner);
344c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian    }
345c3b9cd635163ae48a9151fc6e1650388c5d716beMathias Agopian
3463866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    return int(sur.get());
3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}
3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
34929479ebe1007361222bf6ab4d5e2a27927d4b8e8Mathias Agopianstatic void nativeWriteToParcel(JNIEnv* env, jclass clazz,
3503866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian        jint nativeObject, jobject parcelObj) {
35164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    Parcel* parcel = parcelForJavaObject(env, parcelObj);
3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    if (parcel == NULL) {
3538451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes        doThrowNPE(env);
3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project        return;
3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    }
3563866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    sp<Surface> self(reinterpret_cast<Surface *>(nativeObject));
3574a05f436989a49e06ec762aac9507ad13fcc5e23Mathias Agopian    parcel->writeStrongBinder( self != 0 ? self->getIGraphicBufferProducer()->asBinder() : NULL);
3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}
3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ----------------------------------------------------------------------------
3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod gSurfaceMethods[] = {
3633866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    {"nativeCreateFromSurfaceTexture", "(Landroid/graphics/SurfaceTexture;)I",
36464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown            (void*)nativeCreateFromSurfaceTexture },
3653866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    {"nativeRelease", "(I)V",
36664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown            (void*)nativeRelease },
3673866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    {"nativeIsValid", "(I)Z",
36864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown            (void*)nativeIsValid },
3693866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    {"nativeIsConsumerRunningBehind", "(I)Z",
37064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown            (void*)nativeIsConsumerRunningBehind },
3713866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    {"nativeLockCanvas", "(ILandroid/graphics/Rect;)Landroid/graphics/Canvas;",
37264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown            (void*)nativeLockCanvas },
3733866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    {"nativeUnlockCanvasAndPost", "(ILandroid/graphics/Canvas;)V",
37464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown            (void*)nativeUnlockCanvasAndPost },
3753866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    {"nativeCopyFrom", "(II)I",
37664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown            (void*)nativeCopyFrom },
3773866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    {"nativeReadFromParcel", "(ILandroid/os/Parcel;)I",
37864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown            (void*)nativeReadFromParcel },
3793866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    {"nativeWriteToParcel", "(ILandroid/os/Parcel;)V",
38064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown            (void*)nativeWriteToParcel },
3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project};
3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_view_Surface(JNIEnv* env)
3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{
38564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    int err = AndroidRuntime::registerNativeMethods(env, "android/view/Surface",
3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project            gSurfaceMethods, NELEM(gSurfaceMethods));
38764a55af0ac700baecb0877235eb42caac59a3560Jeff Brown
38864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    jclass clazz = env->FindClass("android/view/Surface");
38964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    gSurfaceClassInfo.clazz = jclass(env->NewGlobalRef(clazz));
3903866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian    gSurfaceClassInfo.mNativeObject =
3913866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian            env->GetFieldID(gSurfaceClassInfo.clazz, "mNativeObject", "I");
3927c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian    gSurfaceClassInfo.mNativeObjectLock =
3937c116b54b743cc3e92ac42abdbbe324d63b50a81Mathias Agopian            env->GetFieldID(gSurfaceClassInfo.clazz, "mNativeObjectLock", "Ljava/lang/Object;");
39464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    gSurfaceClassInfo.mCanvas =
39564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown            env->GetFieldID(gSurfaceClassInfo.clazz, "mCanvas", "Landroid/graphics/Canvas;");
396ffddc9b8045235a493ec506965ae4892601eb23dMathias Agopian    gSurfaceClassInfo.ctor = env->GetMethodID(gSurfaceClassInfo.clazz, "<init>", "(I)V");
39764a55af0ac700baecb0877235eb42caac59a3560Jeff Brown
39864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    clazz = env->FindClass("android/graphics/Canvas");
399fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger    gCanvasClassInfo.mFinalizer = env->GetFieldID(clazz, "mFinalizer", "Landroid/graphics/Canvas$CanvasFinalizer;");
40064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    gCanvasClassInfo.mNativeCanvas = env->GetFieldID(clazz, "mNativeCanvas", "I");
40164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    gCanvasClassInfo.mSurfaceFormat = env->GetFieldID(clazz, "mSurfaceFormat", "I");
40264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown
403fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger    clazz = env->FindClass("android/graphics/Canvas$CanvasFinalizer");
404fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger    gCanvasFinalizerClassInfo.mNativeCanvas = env->GetFieldID(clazz, "mNativeCanvas", "I");
405fc615a0f643408956fc0dc1b997871e2b27cee7eDerek Sollenberger
40664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    clazz = env->FindClass("android/graphics/Rect");
40764a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    gRectClassInfo.left = env->GetFieldID(clazz, "left", "I");
40864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    gRectClassInfo.top = env->GetFieldID(clazz, "top", "I");
40964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    gRectClassInfo.right = env->GetFieldID(clazz, "right", "I");
41064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown    gRectClassInfo.bottom = env->GetFieldID(clazz, "bottom", "I");
41164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown
4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project    return err;
4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}
4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project
4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project};
416