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