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" 21113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian#include <inttypes.h> 223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include "android_os_Parcel.h" 240a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv#include "GraphicBuffer.h" 250a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv#include "GraphicsJNI.h" 263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <android_runtime/AndroidRuntime.h> 283b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <binder/Parcel.h> 303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 31113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian#include <log/log.h> 32113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian 333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <ui/GraphicBuffer.h> 343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <ui/PixelFormat.h> 353b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 369a029876422926e313f646f44ab3592cfd4f9933sergeyv#include <hwui/Bitmap.h> 373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <SkCanvas.h> 393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <SkBitmap.h> 403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <private/gui/ComposerService.h> 423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 43987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe#include "core_jni_helpers.h" 44987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe 453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guynamespace android { 463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// Defines 493b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// Debug 52ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampestatic const bool kDebugGraphicBuffer = false; 533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 54cef190de850f163dd4b95d667a8d46d46e860363Chih-Hung Hsieh#define LOCK_CANVAS_USAGE (GraphicBuffer::USAGE_SW_READ_OFTEN | GraphicBuffer::USAGE_SW_WRITE_OFTEN) 553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// JNI Helpers 583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guystatic struct { 613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jfieldID mNativeObject; 626e3658a63843096058ed444d073fbcd191fd7e1bsergeyv jclass mClass; 636e3658a63843096058ed444d073fbcd191fd7e1bsergeyv jmethodID mConstructorMethodID; 643b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} gGraphicBufferClassInfo; 653b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 663b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guystatic struct { 673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jmethodID set; 683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jfieldID left; 693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jfieldID top; 703b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jfieldID right; 713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jfieldID bottom; 723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} gRectClassInfo; 733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#define GET_INT(object, field) \ 753b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy env->GetIntField(object, field) 763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#define SET_INT(object, field, value) \ 783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy env->SetIntField(object, field, value) 793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 8036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat#define GET_LONG(object, field) \ 8136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat env->GetLongField(object, field) 8236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat 8336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat#define SET_LONG(object, field, value) \ 8436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat env->SetLongField(object, field, value) 8536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat 863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#define INVOKEV(object, method, ...) \ 873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy env->CallVoidMethod(object, method, __VA_ARGS__) 883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 903b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// Types 913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyclass GraphicBufferWrapper { 943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guypublic: 95c6baf563ba6aa207a48317c177b29f1d2b70cf3dChih-Hung Hsieh explicit GraphicBufferWrapper(const sp<GraphicBuffer>& buffer): buffer(buffer) { 96113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian LOG_ALWAYS_FATAL_IF(buffer == nullptr, "creating a null GraphicBuffer"); 97113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian } 98113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian const sp<GraphicBuffer>& get() const { 99113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian return buffer; 1003b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1013b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 102113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopianprivate: 103113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian // make sure this is immutable 104113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian sp<GraphicBuffer> const buffer; 1053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy}; 1063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 1083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// GraphicBuffer lifecycle 1093b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 1103b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1116486d31dcbffb7179127a72ceefa11a1e726271fRobert Carrstatic jlong android_graphics_GraphicBuffer_wrap(JNIEnv* env, jobject clazz, 1126486d31dcbffb7179127a72ceefa11a1e726271fRobert Carr jlong unwrapped) { 1136486d31dcbffb7179127a72ceefa11a1e726271fRobert Carr sp<GraphicBuffer> b(reinterpret_cast<GraphicBuffer*>(unwrapped)); 114113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian LOG_ALWAYS_FATAL_IF(b == nullptr, 115113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian "*** android_graphics_GraphicBuffer_wrap() invalid state, b is null, unwrapped=%#" PRIx64, unwrapped); 1166486d31dcbffb7179127a72ceefa11a1e726271fRobert Carr GraphicBufferWrapper* wrapper = new GraphicBufferWrapper(b); 1176486d31dcbffb7179127a72ceefa11a1e726271fRobert Carr return reinterpret_cast<jlong>(wrapper); 1186486d31dcbffb7179127a72ceefa11a1e726271fRobert Carr} 1196486d31dcbffb7179127a72ceefa11a1e726271fRobert Carr 1200a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic jlong android_graphics_GraphicBuffer_create(JNIEnv* env, jobject clazz, 1213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jint width, jint height, jint format, jint usage) { 1223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1232bd7d98fe844ebd6632a55eee9abf6d18651caf5Mathias Agopian sp<GraphicBuffer> buffer = new GraphicBuffer( 1242bd7d98fe844ebd6632a55eee9abf6d18651caf5Mathias Agopian uint32_t(width), uint32_t(height), PixelFormat(format), uint32_t(usage), 1252bd7d98fe844ebd6632a55eee9abf6d18651caf5Mathias Agopian std::string("android_graphics_GraphicBuffer_create pid [") + 1262bd7d98fe844ebd6632a55eee9abf6d18651caf5Mathias Agopian std::to_string(getpid()) +"]"); 1273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1282bd7d98fe844ebd6632a55eee9abf6d18651caf5Mathias Agopian status_t error = buffer->initCheck(); 1292bd7d98fe844ebd6632a55eee9abf6d18651caf5Mathias Agopian if (error < 0) { 1302bd7d98fe844ebd6632a55eee9abf6d18651caf5Mathias Agopian ALOGW_IF(kDebugGraphicBuffer, "createGraphicBuffer() failed in GraphicBuffer.create()"); 1313b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return NULL; 1323b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 13436bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat GraphicBufferWrapper* wrapper = new GraphicBufferWrapper(buffer); 13536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return reinterpret_cast<jlong>(wrapper); 1363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 1373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1380a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic void android_graphics_GraphicBuffer_destroy(JNIEnv* env, jobject clazz, 13936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat jlong wrapperHandle) { 14036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat GraphicBufferWrapper* wrapper = 14136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat reinterpret_cast<GraphicBufferWrapper*>(wrapperHandle); 1423b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy delete wrapper; 1433b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 1443b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1453b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 1463b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// Canvas management 1473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 1483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 149b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reedstatic inline SkColorType convertPixelFormat(int32_t format) { 1503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy switch (format) { 1513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy case PIXEL_FORMAT_RGBA_8888: 152b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed return kN32_SkColorType; 1533b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy case PIXEL_FORMAT_RGBX_8888: 154b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed return kN32_SkColorType; 1559505a6552764461c22ce48f1ac13d025d23e1579Romain Guy case PIXEL_FORMAT_RGBA_FP16: 1569505a6552764461c22ce48f1ac13d025d23e1579Romain Guy return kRGBA_F16_SkColorType; 1573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy case PIXEL_FORMAT_RGB_565: 158b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed return kRGB_565_SkColorType; 1593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy default: 160b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed return kUnknown_SkColorType; 1613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1623b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 1633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1640a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic jboolean android_graphics_GraphicBuffer_lockCanvas(JNIEnv* env, jobject, 16536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat jlong wrapperHandle, jobject canvas, jobject dirtyRect) { 1663b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 16736bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat GraphicBufferWrapper* wrapper = 16836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat reinterpret_cast<GraphicBufferWrapper*>(wrapperHandle); 1693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!wrapper) { 17036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return JNI_FALSE; 1713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1723b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 173113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian sp<GraphicBuffer> buffer(wrapper->get()); 1743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 175827029228667507c69c7a430798d7ac88e438c33Pablo Ceballos Rect rect(Rect::EMPTY_RECT); 1763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (dirtyRect) { 1773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy rect.left = GET_INT(dirtyRect, gRectClassInfo.left); 1783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy rect.top = GET_INT(dirtyRect, gRectClassInfo.top); 1793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy rect.right = GET_INT(dirtyRect, gRectClassInfo.right); 1803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy rect.bottom = GET_INT(dirtyRect, gRectClassInfo.bottom); 1813b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 1823b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy rect.set(Rect(buffer->getWidth(), buffer->getHeight())); 1833b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1843b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1853b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy void* bits = NULL; 1863b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy status_t status = buffer->lock(LOCK_CANVAS_USAGE, rect, &bits); 1873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 18836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat if (status) return JNI_FALSE; 1893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (!bits) { 1903b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy buffer->unlock(); 19136bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return JNI_FALSE; 1923b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 1933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy ssize_t bytesCount = buffer->getStride() * bytesPerPixel(buffer->getPixelFormat()); 1953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 1963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy SkBitmap bitmap; 197b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed bitmap.setInfo(SkImageInfo::Make(buffer->getWidth(), buffer->getHeight(), 198b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed convertPixelFormat(buffer->getPixelFormat()), 199253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy kPremul_SkAlphaType, 200253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy GraphicsJNI::defaultColorSpace()), 201b933055cf3f7f8ea89bfd3bc9c37a3891ff7310aMike Reed bytesCount); 2023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2033b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (buffer->getWidth() > 0 && buffer->getHeight() > 0) { 2043b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bitmap.setPixels(bits); 2053b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } else { 2063b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bitmap.setPixels(NULL); 2073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2083b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 209c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck Canvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, canvas); 210c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck nativeCanvas->setBitmap(bitmap); 2116e49c9f007c879f05b035c40c0ba543c00f9d0d0Mike Reed nativeCanvas->clipRect(rect.left, rect.top, rect.right, rect.bottom, 2126c67f1d04591f44bccb476d715a005ad5bbdf840Mike Reed SkClipOp::kIntersect); 2133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (dirtyRect) { 2153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy INVOKEV(dirtyRect, gRectClassInfo.set, 2163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy int(rect.left), int(rect.top), int(rect.right), int(rect.bottom)); 2173b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2183b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 21936bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return JNI_TRUE; 2203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 2213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2220a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic jboolean android_graphics_GraphicBuffer_unlockCanvasAndPost(JNIEnv* env, jobject, 22336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat jlong wrapperHandle, jobject canvas) { 2243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 22536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat GraphicBufferWrapper* wrapper = 22636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat reinterpret_cast<GraphicBufferWrapper*>(wrapperHandle); 227c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck Canvas* nativeCanvas = GraphicsJNI::getNativeCanvas(env, canvas); 228c1b33d665c8caf5760f68c45c6ca0baa649b832aJohn Reck nativeCanvas->setBitmap(SkBitmap()); 2293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2303b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (wrapper) { 231113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian status_t status = wrapper->get()->unlock(); 23236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return status == 0 ? JNI_TRUE : JNI_FALSE; 2333b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2343b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 23536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return JNI_FALSE; 2363b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 2373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2393b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// Serialization 2403b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2413b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2420a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic void android_graphics_GraphicBuffer_write(JNIEnv* env, jobject clazz, 24336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat jlong wrapperHandle, jobject dest) { 244113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian 24536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat GraphicBufferWrapper* wrapper = 24636bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat reinterpret_cast<GraphicBufferWrapper*>(wrapperHandle); 2473b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Parcel* parcel = parcelForJavaObject(env, dest); 2483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (parcel) { 249113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian parcel->write(*wrapper->get()); 2503b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2513b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 2523b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2530a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvstatic jlong android_graphics_GraphicBuffer_read(JNIEnv* env, jobject clazz, 2543b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy jobject in) { 2553b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2563b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy Parcel* parcel = parcelForJavaObject(env, in); 2573b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (parcel) { 2583b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy sp<GraphicBuffer> buffer = new GraphicBuffer(); 2593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy parcel->read(*buffer); 26036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat return reinterpret_cast<jlong>(new GraphicBufferWrapper(buffer)); 2613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2623b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2633b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return NULL; 2643b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 2653b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2663b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2673b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// External helpers 2683b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2693b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2703b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guysp<GraphicBuffer> graphicBufferForJavaObject(JNIEnv* env, jobject obj) { 2713b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (obj) { 27236bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat jlong nativeObject = env->GetLongField(obj, gGraphicBufferClassInfo.mNativeObject); 2733b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GraphicBufferWrapper* wrapper = (GraphicBufferWrapper*) nativeObject; 2743b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy if (wrapper != NULL) { 275113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian sp<GraphicBuffer> buffer(wrapper->get()); 2763b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return buffer; 2773b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2783b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 2793b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return NULL; 2803b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy} 2816e3658a63843096058ed444d073fbcd191fd7e1bsergeyv 2826e3658a63843096058ed444d073fbcd191fd7e1bsergeyvjobject createJavaGraphicBuffer(JNIEnv* env, const sp<GraphicBuffer>& buffer) { 2836e3658a63843096058ed444d073fbcd191fd7e1bsergeyv GraphicBufferWrapper* wrapper = new GraphicBufferWrapper(buffer); 2846e3658a63843096058ed444d073fbcd191fd7e1bsergeyv jobject obj = env->NewObject(gGraphicBufferClassInfo.mClass, 2856e3658a63843096058ed444d073fbcd191fd7e1bsergeyv gGraphicBufferClassInfo.mConstructorMethodID, buffer->getWidth(), buffer->getHeight(), 286113fd301709dffb60693c99d91e59a9b0ab3a74cMathias Agopian buffer->getPixelFormat(), (jint)buffer->getUsage(), reinterpret_cast<jlong>(wrapper)); 2876e3658a63843096058ed444d073fbcd191fd7e1bsergeyv return obj; 2886e3658a63843096058ed444d073fbcd191fd7e1bsergeyv} 2896e3658a63843096058ed444d073fbcd191fd7e1bsergeyv 2900a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv}; 2913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2920a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvusing namespace android; 2933b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2943b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// JNI Glue 2953b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy// ---------------------------------------------------------------------------- 2963b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 2970a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvconst char* const kClassPathName = "android/graphics/GraphicBuffer"; 2983b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 29976f6a86de25e1bf74717e047e55fd44b089673f3Daniel Micaystatic const JNINativeMethod gMethods[] = { 3000a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv { "nCreateGraphicBuffer", "(IIII)J", (void*) android_graphics_GraphicBuffer_create }, 3010a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv { "nDestroyGraphicBuffer", "(J)V", (void*) android_graphics_GraphicBuffer_destroy }, 3023b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 30336bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat { "nWriteGraphicBufferToParcel", "(JLandroid/os/Parcel;)V", 3040a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv (void*) android_graphics_GraphicBuffer_write }, 30536bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat { "nReadGraphicBufferFromParcel", "(Landroid/os/Parcel;)J", 3060a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv (void*) android_graphics_GraphicBuffer_read }, 3073b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 30836bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat { "nLockCanvas", "(JLandroid/graphics/Canvas;Landroid/graphics/Rect;)Z", 3090a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyv (void*) android_graphics_GraphicBuffer_lockCanvas }, 31036bef0bf30d6bae48cf3837df351075ca4fce654Ashok Bhat { "nUnlockCanvasAndPost", "(JLandroid/graphics/Canvas;)Z", 3116486d31dcbffb7179127a72ceefa11a1e726271fRobert Carr (void*) android_graphics_GraphicBuffer_unlockCanvasAndPost }, 3126486d31dcbffb7179127a72ceefa11a1e726271fRobert Carr { "nWrapGraphicBuffer", "(J)J", 3136486d31dcbffb7179127a72ceefa11a1e726271fRobert Carr (void*) android_graphics_GraphicBuffer_wrap } 3143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy}; 3153b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 3160a0f23163a7a62900d46c7f81d109320d73d6c6bsergeyvint register_android_graphics_GraphicBuffer(JNIEnv* env) { 3176e3658a63843096058ed444d073fbcd191fd7e1bsergeyv gGraphicBufferClassInfo.mClass = MakeGlobalRefOrDie(env, FindClassOrDie(env, kClassPathName)); 3186e3658a63843096058ed444d073fbcd191fd7e1bsergeyv gGraphicBufferClassInfo.mNativeObject = GetFieldIDOrDie(env, gGraphicBufferClassInfo.mClass, 3196e3658a63843096058ed444d073fbcd191fd7e1bsergeyv "mNativeObject", "J"); 3206e3658a63843096058ed444d073fbcd191fd7e1bsergeyv gGraphicBufferClassInfo.mConstructorMethodID = env->GetMethodID(gGraphicBufferClassInfo.mClass, 3216e3658a63843096058ed444d073fbcd191fd7e1bsergeyv "<init>", "(IIIIJ)V"); 322987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe 3236e3658a63843096058ed444d073fbcd191fd7e1bsergeyv jclass clazz = FindClassOrDie(env, "android/graphics/Rect"); 324987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe gRectClassInfo.set = GetMethodIDOrDie(env, clazz, "set", "(IIII)V"); 325987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe gRectClassInfo.left = GetFieldIDOrDie(env, clazz, "left", "I"); 326987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe gRectClassInfo.top = GetFieldIDOrDie(env, clazz, "top", "I"); 327987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe gRectClassInfo.right = GetFieldIDOrDie(env, clazz, "right", "I"); 328987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe gRectClassInfo.bottom = GetFieldIDOrDie(env, clazz, "bottom", "I"); 329987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe 330987f79f60bb1f0a4bcd3ef22e57301c743f0b94fAndreas Gampe return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods)); 3316486d31dcbffb7179127a72ceefa11a1e726271fRobert Carr} 332