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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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