1 /*
2  * Copyright 2013 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 #define LOG_TAG "SurfaceTextureGLToGL_test"
18 //#define LOG_NDEBUG 0
19 
20 #include "SurfaceTextureGLToGL.h"
21 
22 namespace android {
23 
TEST_F(SurfaceTextureGLToGLTest,TransformHintGetsRespected)24 TEST_F(SurfaceTextureGLToGLTest, TransformHintGetsRespected) {
25     const uint32_t texWidth = 32;
26     const uint32_t texHeight = 64;
27 
28     mST->setDefaultBufferSize(texWidth, texHeight);
29     mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
30 
31     // This test requires 3 buffers to avoid deadlock because we're
32     // both producer and consumer, and only using one thread.
33     mST->setDefaultMaxBufferCount(3);
34 
35     // Do the producer side of things
36     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
37             mProducerEglSurface, mProducerEglContext));
38     ASSERT_EQ(EGL_SUCCESS, eglGetError());
39 
40     // Start a buffer with our chosen size and transform hint moving
41     // through the system.
42     glClear(GL_COLOR_BUFFER_BIT);  // give the driver something to do
43     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
44     mST->updateTexImage();  // consume it
45     // Swap again.
46     glClear(GL_COLOR_BUFFER_BIT);
47     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
48     mST->updateTexImage();
49 
50     // The current buffer should either show the effects of the transform
51     // hint (in the form of an inverse transform), or show that the
52     // transform hint has been ignored.
53     sp<GraphicBuffer> buf = mST->getCurrentBuffer();
54     if (mST->getCurrentTransform() == NATIVE_WINDOW_TRANSFORM_ROT_270) {
55         ASSERT_EQ(texWidth, buf->getHeight());
56         ASSERT_EQ(texHeight, buf->getWidth());
57     } else {
58         ASSERT_EQ(texWidth, buf->getWidth());
59         ASSERT_EQ(texHeight, buf->getHeight());
60     }
61 
62     // Reset the transform hint and confirm that it takes.
63     mST->setTransformHint(0);
64     glClear(GL_COLOR_BUFFER_BIT);
65     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
66     mST->updateTexImage();
67     glClear(GL_COLOR_BUFFER_BIT);
68     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
69     mST->updateTexImage();
70 
71     buf = mST->getCurrentBuffer();
72     ASSERT_EQ((uint32_t) 0, mST->getCurrentTransform());
73     ASSERT_EQ(texWidth, buf->getWidth());
74     ASSERT_EQ(texHeight, buf->getHeight());
75 }
76 
TEST_F(SurfaceTextureGLToGLTest,TexturingFromGLFilledRGBABufferPow2)77 TEST_F(SurfaceTextureGLToGLTest, TexturingFromGLFilledRGBABufferPow2) {
78     const int texWidth = 64;
79     const int texHeight = 64;
80 
81     mST->setDefaultBufferSize(texWidth, texHeight);
82 
83     // This test requires 3 buffers to complete run on a single thread.
84     mST->setDefaultMaxBufferCount(3);
85 
86     // Do the producer side of things
87     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
88             mProducerEglSurface, mProducerEglContext));
89     ASSERT_EQ(EGL_SUCCESS, eglGetError());
90 
91     // This is needed to ensure we pick up a buffer of the correct size.
92     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
93 
94     glClearColor(0.6, 0.6, 0.6, 0.6);
95     glClear(GL_COLOR_BUFFER_BIT);
96 
97     glEnable(GL_SCISSOR_TEST);
98     glScissor(4, 4, 4, 4);
99     glClearColor(1.0, 0.0, 0.0, 1.0);
100     glClear(GL_COLOR_BUFFER_BIT);
101 
102     glScissor(24, 48, 4, 4);
103     glClearColor(0.0, 1.0, 0.0, 1.0);
104     glClear(GL_COLOR_BUFFER_BIT);
105 
106     glScissor(37, 17, 4, 4);
107     glClearColor(0.0, 0.0, 1.0, 1.0);
108     glClear(GL_COLOR_BUFFER_BIT);
109 
110     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
111 
112     // Do the consumer side of things
113     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
114             mEglContext));
115     ASSERT_EQ(EGL_SUCCESS, eglGetError());
116 
117     glDisable(GL_SCISSOR_TEST);
118 
119     // Skip the first frame, which was empty
120     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
121     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
122 
123     glClearColor(0.2, 0.2, 0.2, 0.2);
124     glClear(GL_COLOR_BUFFER_BIT);
125 
126     glViewport(0, 0, texWidth, texHeight);
127     drawTexture();
128 
129     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
130     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
131     EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
132     EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));
133 
134     EXPECT_TRUE(checkPixel( 4,  7, 255,   0,   0, 255));
135     EXPECT_TRUE(checkPixel(25, 51,   0, 255,   0, 255));
136     EXPECT_TRUE(checkPixel(40, 19,   0,   0, 255, 255));
137     EXPECT_TRUE(checkPixel(29, 51, 153, 153, 153, 153));
138     EXPECT_TRUE(checkPixel( 5, 32, 153, 153, 153, 153));
139     EXPECT_TRUE(checkPixel(13,  8, 153, 153, 153, 153));
140     EXPECT_TRUE(checkPixel(46,  3, 153, 153, 153, 153));
141     EXPECT_TRUE(checkPixel(30, 33, 153, 153, 153, 153));
142     EXPECT_TRUE(checkPixel( 6, 52, 153, 153, 153, 153));
143     EXPECT_TRUE(checkPixel(55, 33, 153, 153, 153, 153));
144     EXPECT_TRUE(checkPixel(16, 29, 153, 153, 153, 153));
145     EXPECT_TRUE(checkPixel( 1, 30, 153, 153, 153, 153));
146     EXPECT_TRUE(checkPixel(41, 37, 153, 153, 153, 153));
147     EXPECT_TRUE(checkPixel(46, 29, 153, 153, 153, 153));
148     EXPECT_TRUE(checkPixel(15, 25, 153, 153, 153, 153));
149     EXPECT_TRUE(checkPixel( 3, 52, 153, 153, 153, 153));
150 }
151 
TEST_F(SurfaceTextureGLToGLTest,EglDestroySurfaceUnrefsBuffers)152 TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceUnrefsBuffers) {
153     sp<GraphicBuffer> buffers[2];
154 
155     // This test requires async mode to run on a single thread.
156     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
157             mProducerEglSurface, mProducerEglContext));
158     ASSERT_EQ(EGL_SUCCESS, eglGetError());
159     EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
160     ASSERT_EQ(EGL_SUCCESS, eglGetError());
161 
162     for (int i = 0; i < 2; i++) {
163         // Produce a frame
164         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
165                 mProducerEglSurface, mProducerEglContext));
166         ASSERT_EQ(EGL_SUCCESS, eglGetError());
167         glClear(GL_COLOR_BUFFER_BIT);
168         eglSwapBuffers(mEglDisplay, mProducerEglSurface);
169 
170         // Consume a frame
171         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
172                 mEglContext));
173         ASSERT_EQ(EGL_SUCCESS, eglGetError());
174         mFW->waitForFrame();
175         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
176         buffers[i] = mST->getCurrentBuffer();
177     }
178 
179     // Destroy the GL texture object to release its ref on buffers[2].
180     GLuint texID = TEX_ID;
181     glDeleteTextures(1, &texID);
182 
183     // Destroy the EGLSurface
184     EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
185     ASSERT_EQ(EGL_SUCCESS, eglGetError());
186     mProducerEglSurface = EGL_NO_SURFACE;
187 
188     // This test should have the only reference to buffer 0.
189     EXPECT_EQ(1, buffers[0]->getStrongCount());
190 
191     // The GLConsumer should hold a single reference to buffer 1 in its
192     // mCurrentBuffer member.  All of the references in the slots should have
193     // been released.
194     EXPECT_EQ(2, buffers[1]->getStrongCount());
195 }
196 
TEST_F(SurfaceTextureGLToGLTest,EglDestroySurfaceAfterAbandonUnrefsBuffers)197 TEST_F(SurfaceTextureGLToGLTest, EglDestroySurfaceAfterAbandonUnrefsBuffers) {
198     sp<GraphicBuffer> buffers[3];
199 
200     // This test requires async mode to run on a single thread.
201     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
202             mProducerEglSurface, mProducerEglContext));
203     ASSERT_EQ(EGL_SUCCESS, eglGetError());
204     EXPECT_TRUE(eglSwapInterval(mEglDisplay, 0));
205     ASSERT_EQ(EGL_SUCCESS, eglGetError());
206 
207     for (int i = 0; i < 3; i++) {
208         // Produce a frame
209         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
210                 mProducerEglSurface, mProducerEglContext));
211         ASSERT_EQ(EGL_SUCCESS, eglGetError());
212         glClear(GL_COLOR_BUFFER_BIT);
213         EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
214         ASSERT_EQ(EGL_SUCCESS, eglGetError());
215 
216         // Consume a frame
217         EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
218                 mEglContext));
219         ASSERT_EQ(EGL_SUCCESS, eglGetError());
220         mFW->waitForFrame();
221         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
222         buffers[i] = mST->getCurrentBuffer();
223     }
224 
225     // Abandon the GLConsumer, releasing the ref that the GLConsumer has
226     // on buffers[2].
227     mST->abandon();
228 
229     // Destroy the GL texture object to release its ref on buffers[2].
230     GLuint texID = TEX_ID;
231     glDeleteTextures(1, &texID);
232 
233     // Destroy the EGLSurface.
234     EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
235     ASSERT_EQ(EGL_SUCCESS, eglGetError());
236     mProducerEglSurface = EGL_NO_SURFACE;
237 
238     EXPECT_EQ(1, buffers[0]->getStrongCount());
239     EXPECT_EQ(1, buffers[1]->getStrongCount());
240 
241     // Depending on how lazily the GL driver dequeues buffers, we may end up
242     // with either two or three total buffers.  If there are three, make sure
243     // the last one was properly down-ref'd.
244     if (buffers[2] != buffers[0]) {
245         EXPECT_EQ(1, buffers[2]->getStrongCount());
246     }
247 }
248 
TEST_F(SurfaceTextureGLToGLTest,EglMakeCurrentBeforeConsumerDeathUnrefsBuffers)249 TEST_F(SurfaceTextureGLToGLTest, EglMakeCurrentBeforeConsumerDeathUnrefsBuffers) {
250     sp<GraphicBuffer> buffer;
251 
252     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
253             mProducerEglSurface, mProducerEglContext));
254 
255     // Produce a frame
256     glClear(GL_COLOR_BUFFER_BIT);
257     EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
258     ASSERT_EQ(EGL_SUCCESS, eglGetError());
259 
260     // Destroy the EGLSurface.
261     EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
262     ASSERT_EQ(EGL_SUCCESS, eglGetError());
263     mProducerEglSurface = EGL_NO_SURFACE;
264     mSTC.clear();
265     mANW.clear();
266     mTextureRenderer.clear();
267 
268     // Consume a frame
269     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
270     buffer = mST->getCurrentBuffer();
271 
272     // Destroy the GL texture object to release its ref
273     GLuint texID = TEX_ID;
274     glDeleteTextures(1, &texID);
275 
276     // make un-current, all references to buffer should be gone
277     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE,
278             EGL_NO_SURFACE, EGL_NO_CONTEXT));
279 
280     // Destroy consumer
281     mST.clear();
282 
283     EXPECT_EQ(1, buffer->getStrongCount());
284 }
285 
TEST_F(SurfaceTextureGLToGLTest,EglMakeCurrentAfterConsumerDeathUnrefsBuffers)286 TEST_F(SurfaceTextureGLToGLTest, EglMakeCurrentAfterConsumerDeathUnrefsBuffers) {
287     sp<GraphicBuffer> buffer;
288 
289     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
290             mProducerEglSurface, mProducerEglContext));
291 
292     // Produce a frame
293     glClear(GL_COLOR_BUFFER_BIT);
294     EXPECT_TRUE(eglSwapBuffers(mEglDisplay, mProducerEglSurface));
295     ASSERT_EQ(EGL_SUCCESS, eglGetError());
296 
297     // Destroy the EGLSurface.
298     EXPECT_TRUE(eglDestroySurface(mEglDisplay, mProducerEglSurface));
299     ASSERT_EQ(EGL_SUCCESS, eglGetError());
300     mProducerEglSurface = EGL_NO_SURFACE;
301     mSTC.clear();
302     mANW.clear();
303     mTextureRenderer.clear();
304 
305     // Consume a frame
306     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
307     buffer = mST->getCurrentBuffer();
308 
309     // Destroy the GL texture object to release its ref
310     GLuint texID = TEX_ID;
311     glDeleteTextures(1, &texID);
312 
313     // Destroy consumer
314     mST.clear();
315 
316     // make un-current, all references to buffer should be gone
317     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE,
318             EGL_NO_SURFACE, EGL_NO_CONTEXT));
319 
320     EXPECT_EQ(1, buffer->getStrongCount());
321 }
322 
TEST_F(SurfaceTextureGLToGLTest,TexturingFromUserSizedGLFilledBuffer)323 TEST_F(SurfaceTextureGLToGLTest, TexturingFromUserSizedGLFilledBuffer) {
324     enum { texWidth = 64 };
325     enum { texHeight = 64 };
326 
327     // This test requires 3 buffers to complete run on a single thread.
328     mST->setDefaultMaxBufferCount(3);
329 
330     // Set the user buffer size.
331     native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);
332 
333     // Do the producer side of things
334     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
335             mProducerEglSurface, mProducerEglContext));
336     ASSERT_EQ(EGL_SUCCESS, eglGetError());
337 
338     // This is needed to ensure we pick up a buffer of the correct size.
339     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
340 
341     glClearColor(0.6, 0.6, 0.6, 0.6);
342     glClear(GL_COLOR_BUFFER_BIT);
343 
344     glEnable(GL_SCISSOR_TEST);
345     glScissor(4, 4, 1, 1);
346     glClearColor(1.0, 0.0, 0.0, 1.0);
347     glClear(GL_COLOR_BUFFER_BIT);
348 
349     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
350 
351     // Do the consumer side of things
352     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
353             mEglContext));
354     ASSERT_EQ(EGL_SUCCESS, eglGetError());
355 
356     glDisable(GL_SCISSOR_TEST);
357 
358     // Skip the first frame, which was empty
359     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
360     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
361 
362     glClearColor(0.2, 0.2, 0.2, 0.2);
363     glClear(GL_COLOR_BUFFER_BIT);
364 
365     glViewport(0, 0, texWidth, texHeight);
366     drawTexture();
367 
368     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
369     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
370     EXPECT_TRUE(checkPixel(63, 63, 153, 153, 153, 153));
371     EXPECT_TRUE(checkPixel( 0, 63, 153, 153, 153, 153));
372 
373     EXPECT_TRUE(checkPixel( 4,  4, 255,   0,   0, 255));
374     EXPECT_TRUE(checkPixel( 5,  5, 153, 153, 153, 153));
375     EXPECT_TRUE(checkPixel( 3,  3, 153, 153, 153, 153));
376     EXPECT_TRUE(checkPixel(45, 52, 153, 153, 153, 153));
377     EXPECT_TRUE(checkPixel(12, 36, 153, 153, 153, 153));
378 }
379 
TEST_F(SurfaceTextureGLToGLTest,TexturingFromPreRotatedUserSizedGLFilledBuffer)380 TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedUserSizedGLFilledBuffer) {
381     enum { texWidth = 64 };
382     enum { texHeight = 16 };
383 
384     // This test requires 3 buffers to complete run on a single thread.
385     mST->setDefaultMaxBufferCount(3);
386 
387     // Set the transform hint.
388     mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
389 
390     // Set the user buffer size.
391     native_window_set_buffers_user_dimensions(mANW.get(), texWidth, texHeight);
392 
393     // Do the producer side of things
394     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
395             mProducerEglSurface, mProducerEglContext));
396     ASSERT_EQ(EGL_SUCCESS, eglGetError());
397 
398     // This is needed to ensure we pick up a buffer of the correct size and the
399     // new rotation hint.
400     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
401 
402     glClearColor(0.6, 0.6, 0.6, 0.6);
403     glClear(GL_COLOR_BUFFER_BIT);
404 
405     glEnable(GL_SCISSOR_TEST);
406     glScissor(24, 4, 1, 1);
407     glClearColor(1.0, 0.0, 0.0, 1.0);
408     glClear(GL_COLOR_BUFFER_BIT);
409 
410     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
411 
412     // Do the consumer side of things
413     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
414             mEglContext));
415     ASSERT_EQ(EGL_SUCCESS, eglGetError());
416 
417     glDisable(GL_SCISSOR_TEST);
418 
419     // Skip the first frame, which was empty
420     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
421     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
422 
423     glClearColor(0.2, 0.2, 0.2, 0.2);
424     glClear(GL_COLOR_BUFFER_BIT);
425 
426     glViewport(0, 0, texWidth, texHeight);
427     drawTexture();
428 
429     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
430     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
431     EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
432     EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));
433 
434     EXPECT_TRUE(checkPixel(24,  4, 255,   0,   0, 255));
435     EXPECT_TRUE(checkPixel(25,  5, 153, 153, 153, 153));
436     EXPECT_TRUE(checkPixel(23,  3, 153, 153, 153, 153));
437     EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
438     EXPECT_TRUE(checkPixel(12,  8, 153, 153, 153, 153));
439 }
440 
TEST_F(SurfaceTextureGLToGLTest,TexturingFromPreRotatedGLFilledBuffer)441 TEST_F(SurfaceTextureGLToGLTest, TexturingFromPreRotatedGLFilledBuffer) {
442     enum { texWidth = 64 };
443     enum { texHeight = 16 };
444 
445     // This test requires 3 buffers to complete run on a single thread.
446     mST->setDefaultMaxBufferCount(3);
447 
448     // Set the transform hint.
449     mST->setTransformHint(NATIVE_WINDOW_TRANSFORM_ROT_90);
450 
451     // Set the default buffer size.
452     mST->setDefaultBufferSize(texWidth, texHeight);
453 
454     // Do the producer side of things
455     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mProducerEglSurface,
456             mProducerEglSurface, mProducerEglContext));
457     ASSERT_EQ(EGL_SUCCESS, eglGetError());
458 
459     // This is needed to ensure we pick up a buffer of the correct size and the
460     // new rotation hint.
461     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
462 
463     glClearColor(0.6, 0.6, 0.6, 0.6);
464     glClear(GL_COLOR_BUFFER_BIT);
465 
466     glEnable(GL_SCISSOR_TEST);
467     glScissor(24, 4, 1, 1);
468     glClearColor(1.0, 0.0, 0.0, 1.0);
469     glClear(GL_COLOR_BUFFER_BIT);
470 
471     eglSwapBuffers(mEglDisplay, mProducerEglSurface);
472 
473     // Do the consumer side of things
474     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
475             mEglContext));
476     ASSERT_EQ(EGL_SUCCESS, eglGetError());
477 
478     glDisable(GL_SCISSOR_TEST);
479 
480     // Skip the first frame, which was empty
481     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
482     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
483 
484     glClearColor(0.2, 0.2, 0.2, 0.2);
485     glClear(GL_COLOR_BUFFER_BIT);
486 
487     glViewport(0, 0, texWidth, texHeight);
488     drawTexture();
489 
490     EXPECT_TRUE(checkPixel( 0,  0, 153, 153, 153, 153));
491     EXPECT_TRUE(checkPixel(63,  0, 153, 153, 153, 153));
492     EXPECT_TRUE(checkPixel(63, 15, 153, 153, 153, 153));
493     EXPECT_TRUE(checkPixel( 0, 15, 153, 153, 153, 153));
494 
495     EXPECT_TRUE(checkPixel(24,  4, 255,   0,   0, 255));
496     EXPECT_TRUE(checkPixel(25,  5, 153, 153, 153, 153));
497     EXPECT_TRUE(checkPixel(23,  3, 153, 153, 153, 153));
498     EXPECT_TRUE(checkPixel(45, 13, 153, 153, 153, 153));
499     EXPECT_TRUE(checkPixel(12,  8, 153, 153, 153, 153));
500 }
501 
502 } // namespace android
503