graphics_utils.cpp revision a4f187ef3723a330f2145cea5a4f83e486199137
1991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon/* 2991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * Copyright (C) 2012 The Android Open Source Project 3991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * 4991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * Licensed under the Apache License, Version 2.0 (the "License"); 5991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * you may not use this file except in compliance with the License. 6991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * You may obtain a copy of the License at 7991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * 8991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * http://www.apache.org/licenses/LICENSE-2.0 9991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * 10991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * Unless required by applicable law or agreed to in writing, software 11991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * distributed under the License is distributed on an "AS IS" BASIS, 12991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * See the License for the specific language governing permissions and 14991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon * limitations under the License. 15991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon */ 16991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 17991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon// Provides a webviewchromium glue layer adapter from the internal Android 18991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon// graphics types into the types the chromium stack expects, and back. 19991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 20991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon#define LOG_TAG "webviewchromium_plat_support" 21991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 22c5cde8c18df853e11d1ec528508fd0fe2e742d5cKaan Baloglu#include "android_webview/public/browser/draw_gl.h" 23991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon#include "android_webview/public/browser/draw_sw.h" 24991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 25991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon#include <cstdlib> 26991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon#include <jni.h> 27991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon#include <utils/Log.h> 285c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixon#include <utils/UniquePtr.h> 29c5cde8c18df853e11d1ec528508fd0fe2e742d5cKaan Baloglu#include "graphic_buffer_impl.h" 30991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon#include "GraphicsJNI.h" 31a4f187ef3723a330f2145cea5a4f83e486199137Jonathan Dixon#include "SkCanvasStateUtils.h" 32f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil#include "SkGraphics.h" 33f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil#include "SkPicture.h" 34991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 35991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon#define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0]))) 36991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 37991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixonnamespace android { 38991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixonnamespace { 39991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 405c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixonclass PixelInfo : public AwPixelInfo { 415c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixon public: 42a4f187ef3723a330f2145cea5a4f83e486199137Jonathan Dixon PixelInfo(SkCanvas* canvas); 435c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixon ~PixelInfo(); 44991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon}; 45991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 465c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixon 47a4f187ef3723a330f2145cea5a4f83e486199137Jonathan DixonPixelInfo::PixelInfo(SkCanvas* canvas) { 48364e97a049927e74db4888d19c2f4cee17e91a27Jonathan Dixon memset(this, 0, sizeof(AwPixelInfo)); 49364e97a049927e74db4888d19c2f4cee17e91a27Jonathan Dixon version = kAwPixelInfoVersion; 50a4f187ef3723a330f2145cea5a4f83e486199137Jonathan Dixon state = SkCanvasStateUtils::CaptureCanvasState(canvas); 51364e97a049927e74db4888d19c2f4cee17e91a27Jonathan Dixon} 525c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixon 53a4f187ef3723a330f2145cea5a4f83e486199137Jonathan DixonPixelInfo::~PixelInfo() { 54a4f187ef3723a330f2145cea5a4f83e486199137Jonathan Dixon if (state) 55a4f187ef3723a330f2145cea5a4f83e486199137Jonathan Dixon SkCanvasStateUtils::ReleaseCanvasState(state); 565c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixon} 575c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixon 585c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan DixonAwPixelInfo* GetPixels(JNIEnv* env, jobject java_canvas) { 595c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixon SkCanvas* canvas = GraphicsJNI::getNativeCanvas(env, java_canvas); 605c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixon if (!canvas) 615c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixon return NULL; 625c324e7af9e99afec4caf6cd48aecf2d1a596b28Jonathan Dixon 63a4f187ef3723a330f2145cea5a4f83e486199137Jonathan Dixon UniquePtr<PixelInfo> pixels(new PixelInfo(canvas)); 64a4f187ef3723a330f2145cea5a4f83e486199137Jonathan Dixon return pixels->state ? pixels.release() : NULL; 65991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon} 66991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 67991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixonvoid ReleasePixels(AwPixelInfo* pixels) { 68991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon delete static_cast<PixelInfo*>(pixels); 69991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon} 70991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 71f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Giljobject CreatePicture(JNIEnv* env, SkPicture* picture) { 72f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil jclass clazz = env->FindClass("android/graphics/Picture"); 73f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil jmethodID constructor = env->GetMethodID(clazz, "<init>", "(IZ)V"); 74f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil ALOG_ASSERT(clazz); 75f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil ALOG_ASSERT(constructor); 76f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil return env->NewObject(clazz, constructor, picture, false); 77f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil} 78f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil 79f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gilbool IsSkiaVersionCompatible(SkiaVersionFunction function) { 80f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil bool compatible = false; 81f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil if (function && function == &SkGraphics::GetVersion) { 82f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil int android_major, android_minor, android_patch; 83f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil SkGraphics::GetVersion(&android_major, &android_minor, &android_patch); 84f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil 85f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil int chromium_major, chromium_minor, chromium_patch; 86f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil (*function)(&chromium_major, &chromium_minor, &chromium_patch); 87f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil 88f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil compatible = android_major == chromium_major && 89f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil android_minor == chromium_minor && 90f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil android_patch == chromium_patch; 91f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil } 92f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil return compatible; 93f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil} 94f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil 95991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixonjint GetDrawSWFunctionTable(JNIEnv* env, jclass) { 96991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon static const AwDrawSWFunctionTable function_table = { 97991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon &GetPixels, 98991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon &ReleasePixels, 99f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil &CreatePicture, 100f15e28c8d30c2ccea58871c9d22f8b47e53d6ea4Leandro Gracia Gil &IsSkiaVersionCompatible, 101991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon }; 102991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon return reinterpret_cast<jint>(&function_table); 103991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon} 104991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 105c5cde8c18df853e11d1ec528508fd0fe2e742d5cKaan Baloglujint GetDrawGLFunctionTable(JNIEnv* env, jclass) { 106c5cde8c18df853e11d1ec528508fd0fe2e742d5cKaan Baloglu static const AwDrawGLFunctionTable function_table = { 1071cc1c4153a26307948af9f1ee6d9cde7a7103b94Kaan Baloglu &GraphicBufferImpl::Create, 1081cc1c4153a26307948af9f1ee6d9cde7a7103b94Kaan Baloglu &GraphicBufferImpl::Release, 1091cc1c4153a26307948af9f1ee6d9cde7a7103b94Kaan Baloglu &GraphicBufferImpl::MapStatic, 1101cc1c4153a26307948af9f1ee6d9cde7a7103b94Kaan Baloglu &GraphicBufferImpl::UnmapStatic, 1111cc1c4153a26307948af9f1ee6d9cde7a7103b94Kaan Baloglu &GraphicBufferImpl::GetNativeBufferStatic, 1121cc1c4153a26307948af9f1ee6d9cde7a7103b94Kaan Baloglu &GraphicBufferImpl::GetStrideStatic, 113c5cde8c18df853e11d1ec528508fd0fe2e742d5cKaan Baloglu }; 114c5cde8c18df853e11d1ec528508fd0fe2e742d5cKaan Baloglu return reinterpret_cast<jint>(&function_table); 115c5cde8c18df853e11d1ec528508fd0fe2e742d5cKaan Baloglu} 116c5cde8c18df853e11d1ec528508fd0fe2e742d5cKaan Baloglu 117991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixonconst char kClassName[] = "com/android/webview/chromium/GraphicsUtils"; 118991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixonconst JNINativeMethod kJniMethods[] = { 119991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon { "nativeGetDrawSWFunctionTable", "()I", 120991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon reinterpret_cast<void*>(GetDrawSWFunctionTable) }, 121c5cde8c18df853e11d1ec528508fd0fe2e742d5cKaan Baloglu { "nativeGetDrawGLFunctionTable", "()I", 122c5cde8c18df853e11d1ec528508fd0fe2e742d5cKaan Baloglu reinterpret_cast<void*>(GetDrawGLFunctionTable) }, 123991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon}; 124991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 125991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon} // namespace 126991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 127991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixonvoid RegisterGraphicsUtils(JNIEnv* env) { 128991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon jclass clazz = env->FindClass(kClassName); 129991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon LOG_ALWAYS_FATAL_IF(!clazz, "Unable to find class '%s'", kClassName); 130991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 131991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon int res = env->RegisterNatives(clazz, kJniMethods, NELEM(kJniMethods)); 132991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon LOG_ALWAYS_FATAL_IF(res < 0, "register native methods failed: res=%d", res); 133991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon} 134991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon 135991b0c63bb8c0b0d8577a255b026117e9f37ceceJonathan Dixon} // namespace android 136