android_view_Surface.cpp revision 3866f0d581ceaa165710feeee9f37fe1b0d7067d
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 308335f1ccccedb6655d96d9d5b697a7f0938235ddMathias Agopian#include <gui/Surface.h> 31d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden#include <gui/GLConsumer.h> 328335f1ccccedb6655d96d9d5b697a7f0938235ddMathias Agopian 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/Rect.h> 348335f1ccccedb6655d96d9d5b697a7f0938235ddMathias Agopian#include <ui/Region.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <SkCanvas.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <SkBitmap.h> 386158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian#include <SkRegion.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/misc.h> 419e316a1a2a8d734315bbd56a85308f9657a92913Jeff Brown#include <utils/Log.h> 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown#include <ScopedUtfChars.h> 4464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic const char* const OutOfResourcesException = 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "android/view/Surface$OutOfResourcesException"; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5264a55af0ac700baecb0877235eb42caac59a3560Jeff Brownstatic struct { 5364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jclass clazz; 543866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian jfieldID mNativeObject; 5564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jfieldID mGenerationId; 5664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jfieldID mCanvas; 577c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik jfieldID mCanvasSaveCount; 58cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown jmethodID ctor; 5964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown} gSurfaceClassInfo; 6064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown 6164a55af0ac700baecb0877235eb42caac59a3560Jeff Brownstatic struct { 6264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jfieldID left; 6364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jfieldID top; 6464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jfieldID right; 6564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jfieldID bottom; 6664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown} gRectClassInfo; 6764a55af0ac700baecb0877235eb42caac59a3560Jeff Brown 6864a55af0ac700baecb0877235eb42caac59a3560Jeff Brownstatic struct { 6964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jfieldID mNativeCanvas; 7064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jfieldID mSurfaceFormat; 7164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown} gCanvasClassInfo; 7264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7564a55af0ac700baecb0877235eb42caac59a3560Jeff Brownbool android_view_Surface_isInstanceOf(JNIEnv* env, jobject obj) { 7664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown return env->IsInstanceOf(obj, gSurfaceClassInfo.clazz); 77050316184b01c0d1a01c46afae7429b89a27c31btedbo} 78050316184b01c0d1a01c46afae7429b89a27c31btedbo 793866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopiansp<ANativeWindow> android_view_Surface_getNativeWindow(JNIEnv* env, jobject surfaceObj) { 803866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian return android_view_Surface_getSurface(env, surfaceObj); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 833866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopiansp<Surface> android_view_Surface_getSurface(JNIEnv* env, jobject surfaceObj) { 843866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian return reinterpret_cast<Surface *>( 853866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian env->GetIntField(surfaceObj, gSurfaceClassInfo.mNativeObject)); 86cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown} 87cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown 88cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brownjobject android_view_Surface_createFromISurfaceTexture(JNIEnv* env, 89d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden const sp<IGraphicBufferProducer>& bufferProducer) { 90d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden if (bufferProducer == NULL) { 91cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown return NULL; 92cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown } 93cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown 94d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden sp<Surface> surface(new Surface(bufferProducer)); 95cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown if (surface == NULL) { 96cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown return NULL; 97cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown } 98cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown 993866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian jobject surfaceObj = env->NewObject(gSurfaceClassInfo.clazz, gSurfaceClassInfo.ctor, surface.get()); 100cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown if (surfaceObj == NULL) { 101cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown if (env->ExceptionCheck()) { 102d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden ALOGE("Could not create instance of Surface from IGraphicBufferProducer."); 103cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown LOGE_EX(env); 104cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown env->ExceptionClear(); 105cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown } 106cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown return NULL; 107cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown } 1083866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian surface->incStrong(surfaceObj); 109cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown return surfaceObj; 110cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown} 111cbad976b2a36a0895ca94510d5208a86f66cf596Jeff Brown 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1143866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic jint nativeCreateFromSurfaceTexture(JNIEnv* env, jobject surfaceObj, 11564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jobject surfaceTextureObj) { 116d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden sp<GLConsumer> st(SurfaceTexture_getSurfaceTexture(env, surfaceTextureObj)); 1172e76c992bfa955cb637417005941e3e93810a99dDaniel Lam if (st == NULL) { 1182e76c992bfa955cb637417005941e3e93810a99dDaniel Lam jniThrowException(env, "java/lang/IllegalArgumentException", 1192e76c992bfa955cb637417005941e3e93810a99dDaniel Lam "SurfaceTexture has already been released"); 1203866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian return 0; 1212e76c992bfa955cb637417005941e3e93810a99dDaniel Lam } 12264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown 123d47f7d8b5fe3a3861d7cbdc5f912235407823c8eAndy McFadden sp<IGraphicBufferProducer> bq = st->getBufferQueue(); 1242e76c992bfa955cb637417005941e3e93810a99dDaniel Lam sp<Surface> surface(new Surface(bq)); 1250de171b0d490a5928d54d2fb67c912d140aac643Ted Bonkenburg if (surface == NULL) { 1260de171b0d490a5928d54d2fb67c912d140aac643Ted Bonkenburg jniThrowException(env, OutOfResourcesException, NULL); 1273866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian return 0; 1280de171b0d490a5928d54d2fb67c912d140aac643Ted Bonkenburg } 1290de171b0d490a5928d54d2fb67c912d140aac643Ted Bonkenburg 1303866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian surface->incStrong(surfaceObj); 1313866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian return int(surface.get()); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1343866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic void nativeRelease(JNIEnv* env, jobject surfaceObj, jint nativeObject) { 1353866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<Surface> sur(reinterpret_cast<Surface *>(nativeObject)); 1363866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sur->decStrong(surfaceObj); 1378138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen} 1388138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen 1393866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic void nativeDestroy(JNIEnv* env, jobject surfaceObj, jint nativeObject) { 1403866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<Surface> sur(reinterpret_cast<Surface *>(nativeObject)); 1413866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sur->decStrong(surfaceObj); 142402c34649f514669517c2208e35caa58ff8bb2b9Mathias Agopian} 143402c34649f514669517c2208e35caa58ff8bb2b9Mathias Agopian 1443866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic jboolean nativeIsValid(JNIEnv* env, jobject surfaceObj, jint nativeObject) { 1453866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<Surface> sur(reinterpret_cast<Surface *>(nativeObject)); 1463866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian return Surface::isValid(sur) ? JNI_TRUE : JNI_FALSE; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1493866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic jboolean nativeIsConsumerRunningBehind(JNIEnv* env, jobject surfaceObj, jint nativeObject) { 1503866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<Surface> sur(reinterpret_cast<Surface *>(nativeObject)); 1513866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian if (!Surface::isValid(sur)) { 152c14bacf1fb511472138eeb5dc84a9423fc003214Mathias Agopian doThrowIAE(env); 15364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown return JNI_FALSE; 154c14bacf1fb511472138eeb5dc84a9423fc003214Mathias Agopian } 15564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown int value = 0; 1563866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian ANativeWindow* anw = static_cast<ANativeWindow*>(sur.get()); 157c14bacf1fb511472138eeb5dc84a9423fc003214Mathias Agopian anw->query(anw, NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND, &value); 15864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown return value; 159c14bacf1fb511472138eeb5dc84a9423fc003214Mathias Agopian} 160c14bacf1fb511472138eeb5dc84a9423fc003214Mathias Agopian 16164a55af0ac700baecb0877235eb42caac59a3560Jeff Brownstatic inline SkBitmap::Config convertPixelFormat(PixelFormat format) { 162f1e5b0d4e5d0d2a78c234cd0cbd3005a74a79429Mathias Agopian /* note: if PIXEL_FORMAT_RGBX_8888 means that all alpha bytes are 0xFF, then 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project we can map to SkBitmap::kARGB_8888_Config, and optionally call 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bitmap.setIsOpaque(true) on the resulting SkBitmap (as an accelerator) 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1668138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen switch (format) { 1678138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen case PIXEL_FORMAT_RGBX_8888: return SkBitmap::kARGB_8888_Config; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PIXEL_FORMAT_RGBA_8888: return SkBitmap::kARGB_8888_Config; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case PIXEL_FORMAT_RGBA_4444: return SkBitmap::kARGB_4444_Config; 1708138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen case PIXEL_FORMAT_RGB_565: return SkBitmap::kRGB_565_Config; 1718138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen case PIXEL_FORMAT_A_8: return SkBitmap::kA8_Config; 1728138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen default: return SkBitmap::kNo_Config; 1738138cb49e47f9a9905a316a217757710185c66aaMarco Nelissen } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1763866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic jobject nativeLockCanvas(JNIEnv* env, jobject surfaceObj, jint nativeObject, jobject dirtyRectObj) { 1773866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<Surface> surface(reinterpret_cast<Surface *>(nativeObject)); 1783866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian 179fea12b87f2988f20ea87314c4a1b47e1a0f4d95eRomain Guy if (!Surface::isValid(surface)) { 1808451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env); 18164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown return NULL; 182fea12b87f2988f20ea87314c4a1b47e1a0f4d95eRomain Guy } 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // get dirty region 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Region dirtyRegion; 18664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown if (dirtyRectObj) { 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rect dirty; 18864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown dirty.left = env->GetIntField(dirtyRectObj, gRectClassInfo.left); 18964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown dirty.top = env->GetIntField(dirtyRectObj, gRectClassInfo.top); 19064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown dirty.right = env->GetIntField(dirtyRectObj, gRectClassInfo.right); 19164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown dirty.bottom = env->GetIntField(dirtyRectObj, gRectClassInfo.bottom); 1926158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian if (!dirty.isEmpty()) { 1938451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes dirtyRegion.set(dirty); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 19664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown dirtyRegion.set(Rect(0x3FFF, 0x3FFF)); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Surface::SurfaceInfo info; 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = surface->lock(&info, &dirtyRegion); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < 0) { 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const char* const exception = (err == NO_MEMORY) ? 20364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown OutOfResourcesException : 20464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown "java/lang/IllegalArgumentException"; 2058451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes jniThrowException(env, exception, NULL); 20664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown return NULL; 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Associate a SkCanvas object to this surface 21064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jobject canvasObj = env->GetObjectField(surfaceObj, gSurfaceClassInfo.mCanvas); 21164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown env->SetIntField(canvasObj, gCanvasClassInfo.mSurfaceFormat, info.format); 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2137c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik SkCanvas* nativeCanvas = reinterpret_cast<SkCanvas*>( 2147c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik env->GetIntField(canvasObj, gCanvasClassInfo.mNativeCanvas)); 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SkBitmap bitmap; 2161473f46cbc82aa6f0ba744cc896a36923823d55bMathias Agopian ssize_t bpr = info.s * bytesPerPixel(info.format); 2171473f46cbc82aa6f0ba744cc896a36923823d55bMathias Agopian bitmap.setConfig(convertPixelFormat(info.format), info.w, info.h, bpr); 218f1e5b0d4e5d0d2a78c234cd0cbd3005a74a79429Mathias Agopian if (info.format == PIXEL_FORMAT_RGBX_8888) { 219f1e5b0d4e5d0d2a78c234cd0cbd3005a74a79429Mathias Agopian bitmap.setIsOpaque(true); 220f1e5b0d4e5d0d2a78c234cd0cbd3005a74a79429Mathias Agopian } 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (info.w > 0 && info.h > 0) { 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bitmap.setPixels(info.bits); 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be safe with an empty bitmap. 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bitmap.setPixels(NULL); 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2277c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik nativeCanvas->setBitmapDevice(bitmap); 2288451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 2296158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian SkRegion clipReg; 2306158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian if (dirtyRegion.isRect()) { // very common case 231a8a0aa8b922c45fb4633f51610f264a19f9bd825Mathias Agopian const Rect b(dirtyRegion.getBounds()); 2326158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian clipReg.setRect(b.left, b.top, b.right, b.bottom); 2336158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian } else { 2346158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian size_t count; 2356158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian Rect const* r = dirtyRegion.getArray(&count); 2366158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian while (count) { 2376158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian clipReg.op(r->left, r->top, r->right, r->bottom, SkRegion::kUnion_Op); 2386158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian r++, count--; 2396158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian } 2406158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian } 2416158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian 2426158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian nativeCanvas->clipRegion(clipReg); 2438451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 2447c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik int saveCount = nativeCanvas->save(); 2457c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik env->SetIntField(surfaceObj, gSurfaceClassInfo.mCanvasSaveCount, saveCount); 2467c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik 24764a55af0ac700baecb0877235eb42caac59a3560Jeff Brown if (dirtyRectObj) { 2486158b1bf0364da1582468a98ec09d004ba99deecMathias Agopian const Rect& bounds(dirtyRegion.getBounds()); 24964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown env->SetIntField(dirtyRectObj, gRectClassInfo.left, bounds.left); 25064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown env->SetIntField(dirtyRectObj, gRectClassInfo.top, bounds.top); 25164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown env->SetIntField(dirtyRectObj, gRectClassInfo.right, bounds.right); 25264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown env->SetIntField(dirtyRectObj, gRectClassInfo.bottom, bounds.bottom); 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2548451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 25564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown return canvasObj; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2583866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic void nativeUnlockCanvasAndPost(JNIEnv* env, jobject surfaceObj, jint nativeObject, jobject canvasObj) { 25964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jobject ownCanvasObj = env->GetObjectField(surfaceObj, gSurfaceClassInfo.mCanvas); 26064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown if (!env->IsSameObject(ownCanvasObj, canvasObj)) { 2618451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env); 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2648451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes 2653866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<Surface> surface(reinterpret_cast<Surface *>(nativeObject)); 26664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown if (!Surface::isValid(surface)) { 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 26864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown } 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // detach the canvas from the surface 2717c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik SkCanvas* nativeCanvas = reinterpret_cast<SkCanvas*>( 2727c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik env->GetIntField(canvasObj, gCanvasClassInfo.mNativeCanvas)); 2737c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik int saveCount = env->GetIntField(surfaceObj, gSurfaceClassInfo.mCanvasSaveCount); 2747c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik nativeCanvas->restoreToCount(saveCount); 2757c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik nativeCanvas->setBitmapDevice(SkBitmap()); 2767c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik env->SetIntField(surfaceObj, gSurfaceClassInfo.mCanvasSaveCount, 0); 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // unlock surface 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = surface->unlockAndPost(); 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < 0) { 2818451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowIAE(env); 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 28564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown// ---------------------------------------------------------------------------- 28664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown 2873866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic jint nativeCopyFrom(JNIEnv* env, jobject surfaceObj, 2883866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian jint nativeObject, jint surfaceControlNativeObj) { 28917f638b39f2e8b610ecfa1290e5bc42ab7700c98Mathias Agopian /* 29017f638b39f2e8b610ecfa1290e5bc42ab7700c98Mathias Agopian * This is used by the WindowManagerService just after constructing 29117f638b39f2e8b610ecfa1290e5bc42ab7700c98Mathias Agopian * a Surface and is necessary for returning the Surface reference to 29217f638b39f2e8b610ecfa1290e5bc42ab7700c98Mathias Agopian * the caller. At this point, we should only have a SurfaceControl. 29317f638b39f2e8b610ecfa1290e5bc42ab7700c98Mathias Agopian */ 294fae5cb2b356a1fef172b43066180a7ab4c32dbacMathias Agopian 2953866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<SurfaceControl> ctrl(reinterpret_cast<SurfaceControl *>(surfaceControlNativeObj)); 2963866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<Surface> other(ctrl->getSurface()); 2973866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian if (other != NULL) { 2983866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian other->incStrong(surfaceObj); 2993866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian } 3003866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian 3013866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<Surface> sur(reinterpret_cast<Surface *>(nativeObject)); 3023866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian if (sur != NULL) { 3033866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sur->decStrong(surfaceObj); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3063866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian return int(other.get()); 30761566cc1932468720a831ad5cbc68ee080d613c9Dianne Hackborn} 30861566cc1932468720a831ad5cbc68ee080d613c9Dianne Hackborn 3093866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic jint nativeReadFromParcel(JNIEnv* env, jobject surfaceObj, 3103866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian jint nativeObject, jobject parcelObj) { 31164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown Parcel* parcel = parcelForJavaObject(env, parcelObj); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel == NULL) { 3138451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowNPE(env); 3143866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian return 0; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3163866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<Surface> self(reinterpret_cast<Surface *>(nativeObject)); 3173866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian if (self != NULL) { 3183866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian self->decStrong(surfaceObj); 3193866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian } 3203866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<Surface> sur(Surface::readFromParcel(*parcel)); 3213866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian if (sur != NULL) { 3223866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sur->incStrong(surfaceObj); 3233866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian } 3243866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian return int(sur.get()); 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3273866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopianstatic void nativeWriteToParcel(JNIEnv* env, jobject surfaceObj, 3283866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian jint nativeObject, jobject parcelObj) { 32964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown Parcel* parcel = parcelForJavaObject(env, parcelObj); 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (parcel == NULL) { 3318451b25a4422656bbd6657a5855e69c0f4d53c74Elliott Hughes doThrowNPE(env); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3343866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian sp<Surface> self(reinterpret_cast<Surface *>(nativeObject)); 3353866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian Surface::writeToParcel(self, parcel); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ---------------------------------------------------------------------------- 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatic JNINativeMethod gSurfaceMethods[] = { 3413866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian {"nativeCreateFromSurfaceTexture", "(Landroid/graphics/SurfaceTexture;)I", 34264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown (void*)nativeCreateFromSurfaceTexture }, 3433866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian {"nativeRelease", "(I)V", 34464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown (void*)nativeRelease }, 3453866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian {"nativeDestroy", "(I)V", 34664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown (void*)nativeDestroy }, 3473866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian {"nativeIsValid", "(I)Z", 34864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown (void*)nativeIsValid }, 3493866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian {"nativeIsConsumerRunningBehind", "(I)Z", 35064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown (void*)nativeIsConsumerRunningBehind }, 3513866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian {"nativeLockCanvas", "(ILandroid/graphics/Rect;)Landroid/graphics/Canvas;", 35264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown (void*)nativeLockCanvas }, 3533866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian {"nativeUnlockCanvasAndPost", "(ILandroid/graphics/Canvas;)V", 35464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown (void*)nativeUnlockCanvasAndPost }, 3553866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian {"nativeCopyFrom", "(II)I", 35664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown (void*)nativeCopyFrom }, 3573866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian {"nativeReadFromParcel", "(ILandroid/os/Parcel;)I", 35864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown (void*)nativeReadFromParcel }, 3593866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian {"nativeWriteToParcel", "(ILandroid/os/Parcel;)V", 36064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown (void*)nativeWriteToParcel }, 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint register_android_view_Surface(JNIEnv* env) 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 36564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown int err = AndroidRuntime::registerNativeMethods(env, "android/view/Surface", 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gSurfaceMethods, NELEM(gSurfaceMethods)); 36764a55af0ac700baecb0877235eb42caac59a3560Jeff Brown 36864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown jclass clazz = env->FindClass("android/view/Surface"); 36964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown gSurfaceClassInfo.clazz = jclass(env->NewGlobalRef(clazz)); 3703866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian gSurfaceClassInfo.mNativeObject = 3713866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian env->GetFieldID(gSurfaceClassInfo.clazz, "mNativeObject", "I"); 37264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown gSurfaceClassInfo.mGenerationId = 37364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown env->GetFieldID(gSurfaceClassInfo.clazz, "mGenerationId", "I"); 37464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown gSurfaceClassInfo.mCanvas = 37564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown env->GetFieldID(gSurfaceClassInfo.clazz, "mCanvas", "Landroid/graphics/Canvas;"); 3767c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik gSurfaceClassInfo.mCanvasSaveCount = 3777c1a49f5f5ed6613d736464bf5001b777e89ced2Chris Craik env->GetFieldID(gSurfaceClassInfo.clazz, "mCanvasSaveCount", "I"); 3783866f0d581ceaa165710feeee9f37fe1b0d7067dMathias Agopian gSurfaceClassInfo.ctor = env->GetMethodID(gSurfaceClassInfo.clazz, "<init>", "(I)V"); 37964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown 38064a55af0ac700baecb0877235eb42caac59a3560Jeff Brown clazz = env->FindClass("android/graphics/Canvas"); 38164a55af0ac700baecb0877235eb42caac59a3560Jeff Brown gCanvasClassInfo.mNativeCanvas = env->GetFieldID(clazz, "mNativeCanvas", "I"); 38264a55af0ac700baecb0877235eb42caac59a3560Jeff Brown gCanvasClassInfo.mSurfaceFormat = env->GetFieldID(clazz, "mSurfaceFormat", "I"); 38364a55af0ac700baecb0877235eb42caac59a3560Jeff Brown 38464a55af0ac700baecb0877235eb42caac59a3560Jeff Brown clazz = env->FindClass("android/graphics/Rect"); 38564a55af0ac700baecb0877235eb42caac59a3560Jeff Brown gRectClassInfo.left = env->GetFieldID(clazz, "left", "I"); 38664a55af0ac700baecb0877235eb42caac59a3560Jeff Brown gRectClassInfo.top = env->GetFieldID(clazz, "top", "I"); 38764a55af0ac700baecb0877235eb42caac59a3560Jeff Brown gRectClassInfo.right = env->GetFieldID(clazz, "right", "I"); 38864a55af0ac700baecb0877235eb42caac59a3560Jeff Brown gRectClassInfo.bottom = env->GetFieldID(clazz, "bottom", "I"); 38964a55af0ac700baecb0877235eb42caac59a3560Jeff Brown 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return err; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 394