GraphicBuffer.cpp revision 6e3658a63843096058ed444d073fbcd191fd7e1b
13b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy/* 23b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * Copyright (C) 2013 The Android Open Source Project 33b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * 43b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 53b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * you may not use this file except in compliance with the License. 63b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * You may obtain a copy of the License at 73b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * 83b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 93b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * 103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * Unless required by applicable law or agreed to in writing, software 113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * See the License for the specific language governing permissions and 143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * limitations under the License. 153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy */ 163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#define LOG_TAG "GraphicBuffer" 183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 193b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include "jni.h" 203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include "JNIHelp.h" 213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include "android_os_Parcel.h" 230a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv#include "GraphicBuffer.h" 240a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv#include "GraphicsJNI.h" 253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <android_runtime/AndroidRuntime.h> 273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <binder/Parcel.h> 293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <ui/GraphicBuffer.h> 313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <ui/PixelFormat.h> 323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <gui/IGraphicBufferAlloc.h> 343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <gui/ISurfaceComposer.h> 359a029876422926e313f646f44ab3592cfd4f9933sergeyv#include <hwui/Bitmap.h> 363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <SkCanvas.h> 383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <SkBitmap.h> 393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <private/gui/ComposerService.h> 413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 42987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe#include "core_jni_helpers.h" 43987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe 443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guynamespace android { 453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// Defines 483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// Debug 51ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampestatic const bool kDebugGraphicBuffer = false; 523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 53cef190de850f163dd4b95d667a8d46d46e860363Chih-Hung Hsieh#define LOCK_CANVAS_USAGE (GraphicBuffer::USAGE_SW_READ_OFTEN | GraphicBuffer::USAGE_SW_WRITE_OFTEN) 543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// JNI Helpers 573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guystatic struct { 603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jfieldID mNativeObject; 616e3658a63843096058ed444d073fbcd191fd7e1bsergeyv jclass mClass; 626e3658a63843096058ed444d073fbcd191fd7e1bsergeyv jmethodID mConstructorMethodID; 633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} gGraphicBufferClassInfo; 643b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 653b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guystatic struct { 663b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jmethodID set; 673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jfieldID left; 683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jfieldID top; 693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jfieldID right; 703b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jfieldID bottom; 713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} gRectClassInfo; 723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#define GET_INT(object, field) \ 743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy env->GetIntField(object, field) 753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#define SET_INT(object, field, value) \ 773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy env->SetIntField(object, field, value) 783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 7936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat#define GET_LONG(object, field) \ 8036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat env->GetLongField(object, field) 8136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat 8236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat#define SET_LONG(object, field, value) \ 8336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat env->SetLongField(object, field, value) 8436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat 853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#define INVOKEV(object, method, ...) \ 863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy env->CallVoidMethod(object, method, __VA_ARGS__) 873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// Types 903b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyclass GraphicBufferWrapper { 933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guypublic: 94c6baf563ba6aa207a48317c177b29f1d2b70cf3dChih-Hung Hsieh explicit GraphicBufferWrapper(const sp<GraphicBuffer>& buffer): buffer(buffer) { 953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy sp<GraphicBuffer> buffer; 983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy}; 993b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 1013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// GraphicBuffer lifecycle 1023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 1033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1040a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic jlong android_graphics_GraphicBuffer_create(JNIEnv* env, jobject clazz, 1053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jint width, jint height, jint format, jint usage) { 1063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy sp<ISurfaceComposer> composer(ComposerService::getComposerService()); 1083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy sp<IGraphicBufferAlloc> alloc(composer->createGraphicBufferAlloc()); 1093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (alloc == NULL) { 110ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe if (kDebugGraphicBuffer) { 111ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe ALOGW("createGraphicBufferAlloc() failed in GraphicBuffer.create()"); 112ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe } 1133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return NULL; 1143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy status_t error; 117850054cb46b25e20c1ae0b409734c0fa5c634b18Craig Donner sp<GraphicBuffer> buffer(alloc->createGraphicBuffer(width, height, format, 1, usage, &error)); 1183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (buffer == NULL) { 119ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe if (kDebugGraphicBuffer) { 120ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe ALOGW("createGraphicBuffer() failed in GraphicBuffer.create()"); 121ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe } 1223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return NULL; 1233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 12536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat GraphicBufferWrapper* wrapper = new GraphicBufferWrapper(buffer); 12636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return reinterpret_cast<jlong>(wrapper); 1273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 1283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1290a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic void android_graphics_GraphicBuffer_destroy(JNIEnv* env, jobject clazz, 13036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat jlong wrapperHandle) { 13136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat GraphicBufferWrapper* wrapper = 13236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat reinterpret_cast<GraphicBufferWrapper*>(wrapperHandle); 1333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy delete wrapper; 1343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 1353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 1373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// Canvas management 1383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 1393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 140b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reedstatic inline SkColorType convertPixelFormat(int32_t format) { 1413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy switch (format) { 1423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy case PIXEL_FORMAT_RGBA_8888: 143b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed return kN32_SkColorType; 1443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy case PIXEL_FORMAT_RGBX_8888: 145b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed return kN32_SkColorType; 1469505a6552764461c22ce48f1ac13d025d23e1579Romain Guy case PIXEL_FORMAT_RGBA_FP16: 1479505a6552764461c22ce48f1ac13d025d23e1579Romain Guy return kRGBA_F16_SkColorType; 1483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy case PIXEL_FORMAT_RGB_565: 149b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed return kRGB_565_SkColorType; 1503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy default: 151b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed return kUnknown_SkColorType; 1523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 1543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1550a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic jboolean android_graphics_GraphicBuffer_lockCanvas(JNIEnv* env, jobject, 15636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat jlong wrapperHandle, jobject canvas, jobject dirtyRect) { 1573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 15836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat GraphicBufferWrapper* wrapper = 15936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat reinterpret_cast<GraphicBufferWrapper*>(wrapperHandle); 1603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!wrapper) { 16136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return JNI_FALSE; 1623b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1643b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy sp<GraphicBuffer> buffer(wrapper->buffer); 1653b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 166827029228667507c69c7a430798d7ac88e438c33Pablo Ceballos Rect rect(Rect::EMPTY_RECT); 1673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (dirtyRect) { 1683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy rect.left = GET_INT(dirtyRect, gRectClassInfo.left); 1693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy rect.top = GET_INT(dirtyRect, gRectClassInfo.top); 1703b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy rect.right = GET_INT(dirtyRect, gRectClassInfo.right); 1713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy rect.bottom = GET_INT(dirtyRect, gRectClassInfo.bottom); 1723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 1733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy rect.set(Rect(buffer->getWidth(), buffer->getHeight())); 1743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy void* bits = NULL; 1773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy status_t status = buffer->lock(LOCK_CANVAS_USAGE, rect, &bits); 1783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 17936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat if (status) return JNI_FALSE; 1803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!bits) { 1813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy buffer->unlock(); 18236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return JNI_FALSE; 1833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy ssize_t bytesCount = buffer->getStride() * bytesPerPixel(buffer->getPixelFormat()); 1863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy SkBitmap bitmap; 188b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed bitmap.setInfo(SkImageInfo::Make(buffer->getWidth(), buffer->getHeight(), 189b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed convertPixelFormat(buffer->getPixelFormat()), 190253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy kPremul_SkAlphaType, 191253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy GraphicsJNI::defaultColorSpace()), 192b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed bytesCount); 1933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (buffer->getWidth() > 0 && buffer->getHeight() > 0) { 1953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bitmap.setPixels(bits); 1963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 1973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bitmap.setPixels(NULL); 1983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1993b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 200c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck Canvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, canvas); 201c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck nativeCanvas->setBitmap(bitmap); 2026e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed nativeCanvas->clipRect(rect.left, rect.top, rect.right, rect.bottom, 2036c67f1d04591f44bccb476d715a005ad5bbdf840Mike Reed SkClipOp::kIntersect); 2043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (dirtyRect) { 2063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy INVOKEV(dirtyRect, gRectClassInfo.set, 2073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy int(rect.left), int(rect.top), int(rect.right), int(rect.bottom)); 2083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return JNI_TRUE; 2113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 2123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2130a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic jboolean android_graphics_GraphicBuffer_unlockCanvasAndPost(JNIEnv* env, jobject, 21436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat jlong wrapperHandle, jobject canvas) { 2153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat GraphicBufferWrapper* wrapper = 21736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat reinterpret_cast<GraphicBufferWrapper*>(wrapperHandle); 218c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck Canvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, canvas); 219c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck nativeCanvas->setBitmap(SkBitmap()); 2203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (wrapper) { 2223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy status_t status = wrapper->buffer->unlock(); 22336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return status == 0 ? JNI_TRUE : JNI_FALSE; 2243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return JNI_FALSE; 2273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 2283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// Serialization 2313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2330a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic void android_graphics_GraphicBuffer_write(JNIEnv* env, jobject clazz, 23436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat jlong wrapperHandle, jobject dest) { 23536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat GraphicBufferWrapper* wrapper = 23636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat reinterpret_cast<GraphicBufferWrapper*>(wrapperHandle); 2373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Parcel* parcel = parcelForJavaObject(env, dest); 2383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (parcel) { 2393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy parcel->write(*wrapper->buffer); 2403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 2423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2430a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic jlong android_graphics_GraphicBuffer_read(JNIEnv* env, jobject clazz, 2443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jobject in) { 2453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Parcel* parcel = parcelForJavaObject(env, in); 2473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (parcel) { 2483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy sp<GraphicBuffer> buffer = new GraphicBuffer(); 2493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy parcel->read(*buffer); 25036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return reinterpret_cast<jlong>(new GraphicBufferWrapper(buffer)); 2513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return NULL; 2543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 2553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// External helpers 2583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guysp<GraphicBuffer> graphicBufferForJavaObject(JNIEnv* env, jobject obj) { 2613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (obj) { 26236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat jlong nativeObject = env->GetLongField(obj, gGraphicBufferClassInfo.mNativeObject); 2633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GraphicBufferWrapper* wrapper = (GraphicBufferWrapper*) nativeObject; 2643b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (wrapper != NULL) { 2653b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy sp<GraphicBuffer> buffer(wrapper->buffer); 2663b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return buffer; 2673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return NULL; 2703b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 2716e3658a63843096058ed444d073fbcd191fd7e1bsergeyv 2726e3658a63843096058ed444d073fbcd191fd7e1bsergeyvjobject createJavaGraphicBuffer(JNIEnv* env, const sp<GraphicBuffer>& buffer) { 2736e3658a63843096058ed444d073fbcd191fd7e1bsergeyv GraphicBufferWrapper* wrapper = new GraphicBufferWrapper(buffer); 2746e3658a63843096058ed444d073fbcd191fd7e1bsergeyv jobject obj = env->NewObject(gGraphicBufferClassInfo.mClass, 2756e3658a63843096058ed444d073fbcd191fd7e1bsergeyv gGraphicBufferClassInfo.mConstructorMethodID, buffer->getWidth(), buffer->getHeight(), 2766e3658a63843096058ed444d073fbcd191fd7e1bsergeyv buffer->getPixelFormat(), buffer->getUsage(), reinterpret_cast<jlong>(wrapper)); 2776e3658a63843096058ed444d073fbcd191fd7e1bsergeyv return obj; 2786e3658a63843096058ed444d073fbcd191fd7e1bsergeyv} 2796e3658a63843096058ed444d073fbcd191fd7e1bsergeyv 2800a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv}; 2813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2820a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvusing namespace android; 2833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// JNI Glue 2853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2870a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvconst char* const kClassPathName = "android/graphics/GraphicBuffer"; 2883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 28976f6a86de25e1bf74717e047e55fd44b089673f3Daniel Micaystatic const JNINativeMethod gMethods[] = { 2900a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv { "nCreateGraphicBuffer", "(IIII)J", (void*) android_graphics_GraphicBuffer_create }, 2910a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv { "nDestroyGraphicBuffer", "(J)V", (void*) android_graphics_GraphicBuffer_destroy }, 2923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 29336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat { "nWriteGraphicBufferToParcel", "(JLandroid/os/Parcel;)V", 2940a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv (void*) android_graphics_GraphicBuffer_write }, 29536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat { "nReadGraphicBufferFromParcel", "(Landroid/os/Parcel;)J", 2960a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv (void*) android_graphics_GraphicBuffer_read }, 2973b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 29836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat { "nLockCanvas", "(JLandroid/graphics/Canvas;Landroid/graphics/Rect;)Z", 2990a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv (void*) android_graphics_GraphicBuffer_lockCanvas }, 30036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat { "nUnlockCanvasAndPost", "(JLandroid/graphics/Canvas;)Z", 3010a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv (void*) android_graphics_GraphicBuffer_unlockCanvasAndPost } 3023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy}; 3033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3040a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvint register_android_graphics_GraphicBuffer(JNIEnv* env) { 3056e3658a63843096058ed444d073fbcd191fd7e1bsergeyv gGraphicBufferClassInfo.mClass = MakeGlobalRefOrDie(env, FindClassOrDie(env, kClassPathName)); 3066e3658a63843096058ed444d073fbcd191fd7e1bsergeyv gGraphicBufferClassInfo.mNativeObject = GetFieldIDOrDie(env, gGraphicBufferClassInfo.mClass, 3076e3658a63843096058ed444d073fbcd191fd7e1bsergeyv "mNativeObject", "J"); 3086e3658a63843096058ed444d073fbcd191fd7e1bsergeyv gGraphicBufferClassInfo.mConstructorMethodID = env->GetMethodID(gGraphicBufferClassInfo.mClass, 3096e3658a63843096058ed444d073fbcd191fd7e1bsergeyv "<init>", "(IIIIJ)V"); 310987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe 3116e3658a63843096058ed444d073fbcd191fd7e1bsergeyv jclass clazz = FindClassOrDie(env, "android/graphics/Rect"); 312987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe gRectClassInfo.set = GetMethodIDOrDie(env, clazz, "set", "(IIII)V"); 313987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe gRectClassInfo.left = GetFieldIDOrDie(env, clazz, "left", "I"); 314987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe gRectClassInfo.top = GetFieldIDOrDie(env, clazz, "top", "I"); 315987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe gRectClassInfo.right = GetFieldIDOrDie(env, clazz, "right", "I"); 316987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe gRectClassInfo.bottom = GetFieldIDOrDie(env, clazz, "bottom", "I"); 317987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe 318987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods)); 3190a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv}