1 /*
2 * Copyright (C) 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <GraphicsJNI.h>
18 #include <SkGraphics.h>
19
20 #include <unordered_map>
21 #include <vector>
22
23 #include "Properties.h"
24 #include "android/graphics/jni_runtime.h"
25 #include "graphics_jni_helpers.h"
26
27 using namespace std;
28
29 extern int register_android_graphics_Bitmap(JNIEnv*);
30 extern int register_android_graphics_BitmapFactory(JNIEnv*);
31 extern int register_android_graphics_BitmapRegionDecoder(JNIEnv*);
32 extern int register_android_graphics_RuntimeXfermode(JNIEnv*);
33 extern int register_android_graphics_ByteBufferStreamAdaptor(JNIEnv* env);
34 extern int register_android_graphics_Camera(JNIEnv* env);
35 extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
36 extern int register_android_graphics_Graphics(JNIEnv* env);
37 extern int register_android_graphics_ImageDecoder(JNIEnv*);
38 extern int register_android_graphics_Interpolator(JNIEnv* env);
39 extern int register_android_graphics_MaskFilter(JNIEnv* env);
40 extern int register_android_graphics_NinePatch(JNIEnv*);
41 extern int register_android_graphics_PathEffect(JNIEnv* env);
42 extern int register_android_graphics_Shader(JNIEnv* env);
43 extern int register_android_graphics_RenderEffect(JNIEnv* env);
44 extern int register_android_graphics_Typeface(JNIEnv* env);
45 extern int register_android_graphics_YuvImage(JNIEnv* env);
46 extern int register_android_graphics_drawable_AnimatedImageDrawable(JNIEnv* env);
47
48 namespace android {
49
50 extern int register_android_graphics_Canvas(JNIEnv* env);
51 extern int register_android_graphics_CanvasProperty(JNIEnv* env);
52 extern int register_android_graphics_Color(JNIEnv* env);
53 extern int register_android_graphics_ColorFilter(JNIEnv* env);
54 extern int register_android_graphics_ColorSpace(JNIEnv* env);
55 extern int register_android_graphics_DrawFilter(JNIEnv* env);
56 extern int register_android_graphics_FontFamily(JNIEnv* env);
57 extern int register_android_graphics_Gainmap(JNIEnv* env);
58 extern int register_android_graphics_HardwareBufferRenderer(JNIEnv* env);
59 extern int register_android_graphics_HardwareRendererObserver(JNIEnv* env);
60 extern int register_android_graphics_Matrix(JNIEnv* env);
61 extern int register_android_graphics_Mesh(JNIEnv* env);
62 extern int register_android_graphics_MeshSpecification(JNIEnv* env);
63 extern int register_android_graphics_Paint(JNIEnv* env);
64 extern int register_android_graphics_Path(JNIEnv* env);
65 extern int register_android_graphics_PathIterator(JNIEnv* env);
66 extern int register_android_graphics_PathMeasure(JNIEnv* env);
67 extern int register_android_graphics_Picture(JNIEnv* env);
68 extern int register_android_graphics_Region(JNIEnv* env);
69 extern int register_android_graphics_animation_NativeInterpolatorFactory(JNIEnv* env);
70 extern int register_android_graphics_animation_RenderNodeAnimator(JNIEnv* env);
71 extern int register_android_graphics_drawable_AnimatedVectorDrawable(JNIEnv* env);
72 extern int register_android_graphics_drawable_VectorDrawable(JNIEnv* env);
73 extern int register_android_graphics_fonts_Font(JNIEnv* env);
74 extern int register_android_graphics_fonts_FontFamily(JNIEnv* env);
75 extern int register_android_graphics_text_LineBreaker(JNIEnv* env);
76 extern int register_android_graphics_text_MeasuredText(JNIEnv* env);
77 extern int register_android_graphics_text_TextShaper(JNIEnv* env);
78 extern int register_android_graphics_text_GraphemeBreak(JNIEnv* env);
79
80 extern int register_android_util_PathParser(JNIEnv* env);
81 extern int register_android_view_DisplayListCanvas(JNIEnv* env);
82 extern int register_android_view_RenderNode(JNIEnv* env);
83 extern int register_android_view_ThreadedRenderer(JNIEnv* env);
84
85 #define REG_JNI(name) { name }
86 struct RegJNIRec {
87 int (*mProc)(JNIEnv*);
88 };
89
90 // Map of all possible class names to register to their corresponding JNI registration function pointer
91 // The actual list of registered classes will be determined at runtime via the 'native_classes' System property
92 static const std::unordered_map<std::string, RegJNIRec> gRegJNIMap = {
93 {"android.graphics.Bitmap", REG_JNI(register_android_graphics_Bitmap)},
94 {"android.graphics.BitmapFactory", REG_JNI(register_android_graphics_BitmapFactory)},
95 {"android.graphics.BitmapRegionDecoder",
96 REG_JNI(register_android_graphics_BitmapRegionDecoder)},
97 {"android.graphics.ByteBufferStreamAdaptor",
98 REG_JNI(register_android_graphics_ByteBufferStreamAdaptor)},
99 {"android.graphics.Camera", REG_JNI(register_android_graphics_Camera)},
100 {"android.graphics.Canvas", REG_JNI(register_android_graphics_Canvas)},
101 {"android.graphics.CanvasProperty", REG_JNI(register_android_graphics_CanvasProperty)},
102 {"android.graphics.Color", REG_JNI(register_android_graphics_Color)},
103 {"android.graphics.ColorFilter", REG_JNI(register_android_graphics_ColorFilter)},
104 {"android.graphics.ColorSpace", REG_JNI(register_android_graphics_ColorSpace)},
105 {"android.graphics.CreateJavaOutputStreamAdaptor",
106 REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor)},
107 {"android.graphics.DrawFilter", REG_JNI(register_android_graphics_DrawFilter)},
108 {"android.graphics.FontFamily", REG_JNI(register_android_graphics_FontFamily)},
109 {"android.graphics.Gainmap", REG_JNI(register_android_graphics_Gainmap)},
110 {"android.graphics.Graphics", REG_JNI(register_android_graphics_Graphics)},
111 {"android.graphics.HardwareBufferRenderer",
112 REG_JNI(register_android_graphics_HardwareBufferRenderer)},
113 {"android.graphics.HardwareRenderer", REG_JNI(register_android_view_ThreadedRenderer)},
114 {"android.graphics.HardwareRendererObserver",
115 REG_JNI(register_android_graphics_HardwareRendererObserver)},
116 {"android.graphics.ImageDecoder", REG_JNI(register_android_graphics_ImageDecoder)},
117 {"android.graphics.Interpolator", REG_JNI(register_android_graphics_Interpolator)},
118 {"android.graphics.MaskFilter", REG_JNI(register_android_graphics_MaskFilter)},
119 {"android.graphics.Matrix", REG_JNI(register_android_graphics_Matrix)},
120 {"android.graphics.Mesh", REG_JNI(register_android_graphics_Mesh)},
121 {"android.graphics.MeshSpecification",
122 REG_JNI(register_android_graphics_MeshSpecification)},
123 {"android.graphics.NinePatch", REG_JNI(register_android_graphics_NinePatch)},
124 {"android.graphics.Paint", REG_JNI(register_android_graphics_Paint)},
125 {"android.graphics.Path", REG_JNI(register_android_graphics_Path)},
126 {"android.graphics.PathEffect", REG_JNI(register_android_graphics_PathEffect)},
127 {"android.graphics.PathIterator", REG_JNI(register_android_graphics_PathIterator)},
128 {"android.graphics.PathMeasure", REG_JNI(register_android_graphics_PathMeasure)},
129 {"android.graphics.Picture", REG_JNI(register_android_graphics_Picture)},
130 {"android.graphics.RecordingCanvas", REG_JNI(register_android_view_DisplayListCanvas)},
131 {"android.graphics.Region", REG_JNI(register_android_graphics_Region)},
132 {"android.graphics.RenderNode", REG_JNI(register_android_view_RenderNode)},
133 {"android.graphics.Shader", REG_JNI(register_android_graphics_Shader)},
134 {"android.graphics.RenderEffect", REG_JNI(register_android_graphics_RenderEffect)},
135 {"android.graphics.RuntimeXfermode", REG_JNI(register_android_graphics_RuntimeXfermode)},
136 {"android.graphics.Typeface", REG_JNI(register_android_graphics_Typeface)},
137 {"android.graphics.YuvImage", REG_JNI(register_android_graphics_YuvImage)},
138 {"android.graphics.animation.NativeInterpolatorFactory",
139 REG_JNI(register_android_graphics_animation_NativeInterpolatorFactory)},
140 {"android.graphics.animation.RenderNodeAnimator",
141 REG_JNI(register_android_graphics_animation_RenderNodeAnimator)},
142 {"android.graphics.drawable.AnimatedImageDrawable",
143 REG_JNI(register_android_graphics_drawable_AnimatedImageDrawable)},
144 {"android.graphics.drawable.AnimatedVectorDrawable",
145 REG_JNI(register_android_graphics_drawable_AnimatedVectorDrawable)},
146 {"android.graphics.drawable.VectorDrawable",
147 REG_JNI(register_android_graphics_drawable_VectorDrawable)},
148 {"android.graphics.fonts.Font", REG_JNI(register_android_graphics_fonts_Font)},
149 {"android.graphics.fonts.FontFamily", REG_JNI(register_android_graphics_fonts_FontFamily)},
150 {"android.graphics.text.LineBreaker", REG_JNI(register_android_graphics_text_LineBreaker)},
151 {"android.graphics.text.MeasuredText",
152 REG_JNI(register_android_graphics_text_MeasuredText)},
153 {"android.graphics.text.TextRunShaper", REG_JNI(register_android_graphics_text_TextShaper)},
154 {"android.graphics.text.GraphemeBreak",
155 REG_JNI(register_android_graphics_text_GraphemeBreak)},
156 {"android.util.PathParser", REG_JNI(register_android_util_PathParser)},
157 };
158
register_jni_procs(const std::unordered_map<std::string,RegJNIRec> & jniRegMap,const vector<string> & classesToRegister,JNIEnv * env)159 static int register_jni_procs(const std::unordered_map<std::string, RegJNIRec>& jniRegMap,
160 const vector<string>& classesToRegister, JNIEnv* env) {
161
162 for (const string& className : classesToRegister) {
163 if (jniRegMap.at(className).mProc(env) < 0) {
164 return -1;
165 }
166 }
167 return 0;
168 }
169
parseCsv(const string & csvString)170 static vector<string> parseCsv(const string& csvString) {
171 vector<string> result;
172 istringstream stream(csvString);
173 string segment;
174 while(getline(stream, segment, ','))
175 {
176 result.push_back(segment);
177 }
178 return result;
179 }
180
parseCsv(JNIEnv * env,jstring csvJString)181 static vector<string> parseCsv(JNIEnv* env, jstring csvJString) {
182 const char* charArray = env->GetStringUTFChars(csvJString, 0);
183 string csvString(charArray);
184 vector<string> result = parseCsv(csvString);
185 env->ReleaseStringUTFChars(csvJString, charArray);
186 return result;
187 }
188
189 } // namespace android
190
191 using namespace android;
192 using namespace android::uirenderer;
193
init_android_graphics()194 void init_android_graphics() {
195 Properties::overrideRenderPipelineType(RenderPipelineType::SkiaCpu);
196 SkGraphics::Init();
197 }
198
register_android_graphics_classes(JNIEnv * env)199 int register_android_graphics_classes(JNIEnv *env) {
200 JavaVM* vm = nullptr;
201 env->GetJavaVM(&vm);
202 GraphicsJNI::setJavaVM(vm);
203
204 // Configuration is stored as java System properties.
205 // Get a reference to System.getProperty
206 jclass system = FindClassOrDie(env, "java/lang/System");
207 jmethodID getPropertyMethod = GetStaticMethodIDOrDie(env, system, "getProperty",
208 "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;");
209
210 auto formatProperty = (jstring)env->CallStaticObjectMethod(
211 system, getPropertyMethod, env->NewStringUTF("method_binding_format"),
212 env->NewStringUTF(""));
213 const char* methodFormatChars = env->GetStringUTFChars(formatProperty, 0);
214 setJniMethodFormat(string(methodFormatChars));
215 env->ReleaseStringUTFChars(formatProperty, methodFormatChars);
216
217 // Get the names of classes that need to register their native methods
218 auto nativesClassesJString = (jstring)env->CallStaticObjectMethod(
219 system, getPropertyMethod, env->NewStringUTF("graphics_native_classes"),
220 env->NewStringUTF(""));
221 vector<string> classesToRegister = parseCsv(env, nativesClassesJString);
222
223 if (register_jni_procs(gRegJNIMap, classesToRegister, env) < 0) {
224 return JNI_ERR;
225 }
226
227 return 0;
228 }
229
zygote_preload_graphics()230 void zygote_preload_graphics() { }
231