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1 /* | |
2 * Copyright 2012 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 package com.skia; | |
9 | |
10 import javax.microedition.khronos.egl.EGL10; | |
11 import javax.microedition.khronos.egl.EGLConfig; | |
12 import javax.microedition.khronos.egl.EGLDisplay; | |
13 import javax.microedition.khronos.opengles.GL10; | |
14 | |
15 import android.content.Context; | |
16 import android.opengl.EGL14; | |
17 import android.opengl.GLSurfaceView; | |
18 import android.os.Build; | |
19 import android.util.Log; | |
20 import android.view.MotionEvent; | |
21 import android.widget.Toast; | |
22 | |
23 public class SkiaSampleView extends GLSurfaceView { | |
24 | |
25 private final SkiaSampleRenderer mSampleRenderer; | |
26 private boolean mRequestedOpenGLAPI; // true == use (desktop) OpenGL. false
== use OpenGL ES. | |
27 private int mRequestedMSAASampleCount; | |
28 | |
29 public SkiaSampleView(Context ctx, String cmdLineFlags, boolean useOpenGL, i
nt msaaSampleCount) { | |
30 super(ctx); | |
31 | |
32 mSampleRenderer = new SkiaSampleRenderer(this, cmdLineFlags); | |
33 mRequestedMSAASampleCount = msaaSampleCount; | |
34 | |
35 setEGLContextClientVersion(2); | |
36 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) { | |
37 setEGLConfigChooser(8, 8, 8, 8, 0, 8); | |
38 } else { | |
39 mRequestedOpenGLAPI = useOpenGL; | |
40 setEGLConfigChooser(new SampleViewEGLConfigChooser()); | |
41 } | |
42 setRenderer(mSampleRenderer); | |
43 setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY); | |
44 } | |
45 | |
46 @Override | |
47 public boolean onTouchEvent(MotionEvent event) { | |
48 int count = event.getPointerCount(); | |
49 for (int i = 0; i < count; i++) { | |
50 final float x = event.getX(i); | |
51 final float y = event.getY(i); | |
52 final int owner = event.getPointerId(i); | |
53 int action = event.getAction() & MotionEvent.ACTION_MASK; | |
54 switch (action) { | |
55 case MotionEvent.ACTION_POINTER_UP: | |
56 action = MotionEvent.ACTION_UP; | |
57 break; | |
58 case MotionEvent.ACTION_POINTER_DOWN: | |
59 action = MotionEvent.ACTION_DOWN; | |
60 break; | |
61 default: | |
62 break; | |
63 } | |
64 final int finalAction = action; | |
65 queueEvent(new Runnable() { | |
66 @Override | |
67 public void run() { | |
68 mSampleRenderer.handleClick(owner, x, y, finalAction); | |
69 } | |
70 }); | |
71 } | |
72 return true; | |
73 } | |
74 | |
75 public void inval() { | |
76 queueEvent(new Runnable() { | |
77 @Override | |
78 public void run() { | |
79 mSampleRenderer.postInval(); | |
80 } | |
81 }); | |
82 } | |
83 | |
84 public void terminate() { | |
85 queueEvent(new Runnable() { | |
86 @Override | |
87 public void run() { | |
88 mSampleRenderer.term(); | |
89 } | |
90 }); | |
91 } | |
92 | |
93 public void showOverview() { | |
94 queueEvent(new Runnable() { | |
95 @Override | |
96 public void run() { | |
97 mSampleRenderer.showOverview(); | |
98 } | |
99 }); | |
100 } | |
101 | |
102 public void nextSample() { | |
103 queueEvent(new Runnable() { | |
104 @Override | |
105 public void run() { | |
106 mSampleRenderer.nextSample(); | |
107 } | |
108 }); | |
109 } | |
110 | |
111 public void previousSample() { | |
112 queueEvent(new Runnable() { | |
113 @Override | |
114 public void run() { | |
115 mSampleRenderer.previousSample(); | |
116 } | |
117 }); | |
118 } | |
119 | |
120 public void goToSample(final int position) { | |
121 queueEvent(new Runnable() { | |
122 @Override | |
123 public void run() { | |
124 mSampleRenderer.goToSample(position); | |
125 } | |
126 }); | |
127 } | |
128 | |
129 public void toggleRenderingMode() { | |
130 queueEvent(new Runnable() { | |
131 @Override | |
132 public void run() { | |
133 mSampleRenderer.toggleRenderingMode(); | |
134 } | |
135 }); | |
136 } | |
137 | |
138 public void toggleSlideshow() { | |
139 queueEvent(new Runnable() { | |
140 @Override | |
141 public void run() { | |
142 mSampleRenderer.toggleSlideshow(); | |
143 } | |
144 }); | |
145 } | |
146 | |
147 public void toggleFPS() { | |
148 queueEvent(new Runnable() { | |
149 @Override | |
150 public void run() { | |
151 mSampleRenderer.toggleFPS(); | |
152 } | |
153 }); | |
154 } | |
155 | |
156 public void toggleTiling() { | |
157 queueEvent(new Runnable() { | |
158 @Override | |
159 public void run() { | |
160 mSampleRenderer.toggleTiling(); | |
161 } | |
162 }); | |
163 } | |
164 | |
165 public void toggleBBox() { | |
166 queueEvent(new Runnable() { | |
167 @Override | |
168 public void run() { | |
169 mSampleRenderer.toggleBBox(); | |
170 } | |
171 }); | |
172 } | |
173 | |
174 public void saveToPDF() { | |
175 queueEvent(new Runnable() { | |
176 @Override | |
177 public void run() { | |
178 mSampleRenderer.saveToPDF(); | |
179 } | |
180 }); | |
181 | |
182 String msg = getContext().getString(R.string.pdf_save_info); | |
183 Toast.makeText(getContext(), msg, Toast.LENGTH_SHORT).show(); | |
184 } | |
185 | |
186 public boolean getUsesOpenGLAPI() { | |
187 return mRequestedOpenGLAPI; | |
188 } | |
189 | |
190 public int getMSAASampleCount() { | |
191 return mSampleRenderer.getMSAASampleCount(); | |
192 } | |
193 | |
194 private class SampleViewEGLConfigChooser implements GLSurfaceView.EGLConfigC
hooser { | |
195 | |
196 @Override | |
197 public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display) { | |
198 int numConfigs = 0; | |
199 int[] configSpec = null; | |
200 int[] value = new int[1]; | |
201 | |
202 int[] validAPIs = new int[] { | |
203 EGL14.EGL_OPENGL_API, | |
204 EGL14.EGL_OPENGL_ES_API | |
205 }; | |
206 int initialAPI = mRequestedOpenGLAPI ? 0 : 1; | |
207 | |
208 for (int i = initialAPI; i < validAPIs.length && numConfigs == 0; i+
+) { | |
209 int currentAPI = validAPIs[i]; | |
210 EGL14.eglBindAPI(currentAPI); | |
211 | |
212 // setup the renderableType which will only be included in the | |
213 // spec if we are attempting to get access to the OpenGL APIs. | |
214 int renderableType = EGL14.EGL_OPENGL_BIT; | |
215 if (currentAPI == EGL14.EGL_OPENGL_API) { | |
216 renderableType = EGL14.EGL_OPENGL_ES2_BIT; | |
217 } | |
218 | |
219 if (mRequestedMSAASampleCount > 0) { | |
220 configSpec = new int[] { | |
221 EGL10.EGL_RED_SIZE, 8, | |
222 EGL10.EGL_GREEN_SIZE, 8, | |
223 EGL10.EGL_BLUE_SIZE, 8, | |
224 EGL10.EGL_ALPHA_SIZE, 8, | |
225 EGL10.EGL_DEPTH_SIZE, 0, | |
226 EGL10.EGL_STENCIL_SIZE, 8, | |
227 EGL10.EGL_SAMPLE_BUFFERS, 1, | |
228 EGL10.EGL_SAMPLES, mRequestedMSAASampleCount, | |
229 EGL10.EGL_RENDERABLE_TYPE, renderableType, | |
230 EGL10.EGL_NONE | |
231 }; | |
232 | |
233 // EGL_RENDERABLE_TYPE is only needed when attempting to use | |
234 // the OpenGL API (not ES) and causes many EGL drivers to fa
il | |
235 // with a BAD_ATTRIBUTE error. | |
236 if (!mRequestedOpenGLAPI) { | |
237 configSpec[16] = EGL10.EGL_NONE; | |
238 Log.i("Skia", "spec: " + configSpec); | |
239 } | |
240 | |
241 if (!egl.eglChooseConfig(display, configSpec, null, 0, value
)) { | |
242 Log.i("Skia", "Could not get MSAA context count: " + mRe
questedMSAASampleCount); | |
243 } | |
244 | |
245 numConfigs = value[0]; | |
246 } | |
247 | |
248 if (numConfigs <= 0) { | |
249 // Try without multisampling. | |
250 configSpec = new int[] { | |
251 EGL10.EGL_RED_SIZE, 8, | |
252 EGL10.EGL_GREEN_SIZE, 8, | |
253 EGL10.EGL_BLUE_SIZE, 8, | |
254 EGL10.EGL_ALPHA_SIZE, 8, | |
255 EGL10.EGL_DEPTH_SIZE, 0, | |
256 EGL10.EGL_STENCIL_SIZE, 8, | |
257 EGL10.EGL_RENDERABLE_TYPE, renderableType, | |
258 EGL10.EGL_NONE | |
259 }; | |
260 | |
261 // EGL_RENDERABLE_TYPE is only needed when attempting to use | |
262 // the OpenGL API (not ES) and causes many EGL drivers to fa
il | |
263 // with a BAD_ATTRIBUTE error. | |
264 if (!mRequestedOpenGLAPI) { | |
265 configSpec[12] = EGL10.EGL_NONE; | |
266 Log.i("Skia", "spec: " + configSpec); | |
267 } | |
268 | |
269 if (!egl.eglChooseConfig(display, configSpec, null, 0, value
)) { | |
270 Log.i("Skia", "Could not get non-MSAA context count"); | |
271 } | |
272 numConfigs = value[0]; | |
273 } | |
274 } | |
275 | |
276 if (numConfigs <= 0) { | |
277 throw new IllegalArgumentException("No configs match configSpec"
); | |
278 } | |
279 | |
280 // Get all matching configurations. | |
281 EGLConfig[] configs = new EGLConfig[numConfigs]; | |
282 if (!egl.eglChooseConfig(display, configSpec, configs, numConfigs, v
alue)) { | |
283 throw new IllegalArgumentException("Could not get config data"); | |
284 } | |
285 | |
286 for (int i = 0; i < configs.length; ++i) { | |
287 EGLConfig config = configs[i]; | |
288 if (findConfigAttrib(egl, display, config , EGL10.EGL_RED_SIZE,
0) == 8 && | |
289 findConfigAttrib(egl, display, config, EGL10.EGL_BLUE_SI
ZE, 0) == 8 && | |
290 findConfigAttrib(egl, display, config, EGL10.EGL_GREEN_S
IZE, 0) == 8 && | |
291 findConfigAttrib(egl, display, config, EGL10.EGL_ALPHA_S
IZE, 0) == 8 && | |
292 findConfigAttrib(egl, display, config, EGL10.EGL_STENCIL
_SIZE, 0) == 8) { | |
293 return config; | |
294 } | |
295 } | |
296 | |
297 throw new IllegalArgumentException("Could not find suitable EGL conf
ig"); | |
298 } | |
299 | |
300 private int findConfigAttrib(EGL10 egl, EGLDisplay display, | |
301 EGLConfig config, int attribute, int defaultValue) { | |
302 int[] value = new int[1]; | |
303 if (egl.eglGetConfigAttrib(display, config, attribute, value)) { | |
304 return value[0]; | |
305 } | |
306 return defaultValue; | |
307 } | |
308 | |
309 } | |
310 } | |
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