1 /*
2 * Copyright (C) 2011 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 "SurfaceTextureClient_test"
18 //#define LOG_NDEBUG 0
19
20 #include <EGL/egl.h>
21 #include <GLES2/gl2.h>
22
23 #include <gtest/gtest.h>
24 #include <gui/GLConsumer.h>
25 #include <gui/Surface.h>
26 #include <gui/BufferQueue.h>
27 #include <system/graphics.h>
28 #include <utils/Log.h>
29 #include <utils/Thread.h>
30
31 extern "C" EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name);
32 #define CROP_EXT_STR "EGL_ANDROID_image_crop"
33
34 namespace android {
35
36 class SurfaceTextureClientTest : public ::testing::Test {
37 protected:
SurfaceTextureClientTest()38 SurfaceTextureClientTest():
39 mEglDisplay(EGL_NO_DISPLAY),
40 mEglSurface(EGL_NO_SURFACE),
41 mEglContext(EGL_NO_CONTEXT),
42 mEglConfig(NULL) {
43 }
44
SetUp()45 virtual void SetUp() {
46 const ::testing::TestInfo* const testInfo =
47 ::testing::UnitTest::GetInstance()->current_test_info();
48 ALOGV("Begin test: %s.%s", testInfo->test_case_name(),
49 testInfo->name());
50
51 sp<IGraphicBufferProducer> producer;
52 sp<IGraphicBufferConsumer> consumer;
53 BufferQueue::createBufferQueue(&producer, &consumer);
54 mST = new GLConsumer(consumer, 123, GLConsumer::TEXTURE_EXTERNAL, true,
55 false);
56 mSTC = new Surface(producer);
57 mANW = mSTC;
58
59 // We need a valid GL context so we can test updateTexImage()
60 // This initializes EGL and create a dummy GL context with a
61 // pbuffer render target.
62 mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
63 ASSERT_EQ(EGL_SUCCESS, eglGetError());
64 ASSERT_NE(EGL_NO_DISPLAY, mEglDisplay);
65
66 EGLint majorVersion, minorVersion;
67 EXPECT_TRUE(eglInitialize(mEglDisplay, &majorVersion, &minorVersion));
68 ASSERT_EQ(EGL_SUCCESS, eglGetError());
69
70 EGLConfig myConfig;
71 EGLint numConfigs = 0;
72 EXPECT_TRUE(eglChooseConfig(mEglDisplay, getConfigAttribs(),
73 &myConfig, 1, &numConfigs));
74 ASSERT_EQ(EGL_SUCCESS, eglGetError());
75
76 mEglConfig = myConfig;
77 EGLint pbufferAttribs[] = {
78 EGL_WIDTH, 16,
79 EGL_HEIGHT, 16,
80 EGL_NONE };
81 mEglSurface = eglCreatePbufferSurface(mEglDisplay, myConfig, pbufferAttribs);
82 ASSERT_EQ(EGL_SUCCESS, eglGetError());
83 ASSERT_NE(EGL_NO_SURFACE, mEglSurface);
84
85 mEglContext = eglCreateContext(mEglDisplay, myConfig, EGL_NO_CONTEXT, 0);
86 ASSERT_EQ(EGL_SUCCESS, eglGetError());
87 ASSERT_NE(EGL_NO_CONTEXT, mEglContext);
88
89 EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext));
90 ASSERT_EQ(EGL_SUCCESS, eglGetError());
91 }
92
TearDown()93 virtual void TearDown() {
94 mST.clear();
95 mSTC.clear();
96 mANW.clear();
97
98 eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
99 eglDestroyContext(mEglDisplay, mEglContext);
100 eglDestroySurface(mEglDisplay, mEglSurface);
101 eglTerminate(mEglDisplay);
102
103 const ::testing::TestInfo* const testInfo =
104 ::testing::UnitTest::GetInstance()->current_test_info();
105 ALOGV("End test: %s.%s", testInfo->test_case_name(),
106 testInfo->name());
107 }
108
getConfigAttribs()109 virtual EGLint const* getConfigAttribs() {
110 static EGLint sDefaultConfigAttribs[] = {
111 EGL_SURFACE_TYPE, EGL_PBUFFER_BIT | EGL_WINDOW_BIT,
112 EGL_NONE
113 };
114
115 return sDefaultConfigAttribs;
116 }
117
118 sp<GLConsumer> mST;
119 sp<Surface> mSTC;
120 sp<ANativeWindow> mANW;
121
122 EGLDisplay mEglDisplay;
123 EGLSurface mEglSurface;
124 EGLContext mEglContext;
125 EGLConfig mEglConfig;
126 };
127
TEST_F(SurfaceTextureClientTest,GetISurfaceTextureIsNotNull)128 TEST_F(SurfaceTextureClientTest, GetISurfaceTextureIsNotNull) {
129 sp<IGraphicBufferProducer> ist(mSTC->getIGraphicBufferProducer());
130 ASSERT_TRUE(ist != NULL);
131 }
132
TEST_F(SurfaceTextureClientTest,QueuesToWindowCompositorIsFalse)133 TEST_F(SurfaceTextureClientTest, QueuesToWindowCompositorIsFalse) {
134 int result = -123;
135 int err = mANW->query(mANW.get(), NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER,
136 &result);
137 EXPECT_EQ(NO_ERROR, err);
138 EXPECT_EQ(0, result);
139 }
140
TEST_F(SurfaceTextureClientTest,ConcreteTypeIsSurfaceTextureClient)141 TEST_F(SurfaceTextureClientTest, ConcreteTypeIsSurfaceTextureClient) {
142 int result = -123;
143 int err = mANW->query(mANW.get(), NATIVE_WINDOW_CONCRETE_TYPE, &result);
144 EXPECT_EQ(NO_ERROR, err);
145 EXPECT_EQ(NATIVE_WINDOW_SURFACE, result);
146 }
147
TEST_F(SurfaceTextureClientTest,EglCreateWindowSurfaceSucceeds)148 TEST_F(SurfaceTextureClientTest, EglCreateWindowSurfaceSucceeds) {
149 EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
150 ASSERT_EQ(EGL_SUCCESS, eglGetError());
151 ASSERT_NE(EGL_NO_DISPLAY, dpy);
152
153 EGLint majorVersion;
154 EGLint minorVersion;
155 EXPECT_TRUE(eglInitialize(dpy, &majorVersion, &minorVersion));
156 ASSERT_EQ(EGL_SUCCESS, eglGetError());
157
158 EGLConfig myConfig = {0};
159 EGLint numConfigs = 0;
160 EGLint configAttribs[] = {
161 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
162 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
163 EGL_RED_SIZE, 8,
164 EGL_GREEN_SIZE, 8,
165 EGL_BLUE_SIZE, 8,
166 EGL_ALPHA_SIZE, 8,
167 EGL_DEPTH_SIZE, 16,
168 EGL_STENCIL_SIZE, 8,
169 EGL_NONE };
170 EXPECT_TRUE(eglChooseConfig(dpy, configAttribs, &myConfig, 1,
171 &numConfigs));
172 ASSERT_EQ(EGL_SUCCESS, eglGetError());
173
174 EGLSurface eglSurface = eglCreateWindowSurface(dpy, myConfig, mANW.get(),
175 NULL);
176 EXPECT_NE(EGL_NO_SURFACE, eglSurface);
177 EXPECT_EQ(EGL_SUCCESS, eglGetError());
178
179 if (eglSurface != EGL_NO_SURFACE) {
180 eglDestroySurface(dpy, eglSurface);
181 }
182
183 eglTerminate(dpy);
184 }
185
TEST_F(SurfaceTextureClientTest,EglSwapBuffersAbandonErrorIsEglBadSurface)186 TEST_F(SurfaceTextureClientTest, EglSwapBuffersAbandonErrorIsEglBadSurface) {
187
188 EGLSurface eglSurface = eglCreateWindowSurface(mEglDisplay, mEglConfig, mANW.get(), NULL);
189 EXPECT_NE(EGL_NO_SURFACE, eglSurface);
190 EXPECT_EQ(EGL_SUCCESS, eglGetError());
191
192 EGLBoolean success = eglMakeCurrent(mEglDisplay, eglSurface, eglSurface, mEglContext);
193 EXPECT_TRUE(success);
194
195 glClear(GL_COLOR_BUFFER_BIT);
196 success = eglSwapBuffers(mEglDisplay, eglSurface);
197 EXPECT_TRUE(success);
198
199 mST->abandon();
200
201 glClear(GL_COLOR_BUFFER_BIT);
202 success = eglSwapBuffers(mEglDisplay, eglSurface);
203 EXPECT_FALSE(success);
204 EXPECT_EQ(EGL_BAD_SURFACE, eglGetError());
205
206 success = eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext);
207 ASSERT_TRUE(success);
208
209 if (eglSurface != EGL_NO_SURFACE) {
210 eglDestroySurface(mEglDisplay, eglSurface);
211 }
212 }
213
TEST_F(SurfaceTextureClientTest,BufferGeometryInvalidSizesFail)214 TEST_F(SurfaceTextureClientTest, BufferGeometryInvalidSizesFail) {
215 EXPECT_GT(OK, native_window_set_buffers_dimensions(mANW.get(), 0, 8));
216 EXPECT_GT(OK, native_window_set_buffers_dimensions(mANW.get(), 8, 0));
217 }
218
TEST_F(SurfaceTextureClientTest,DefaultGeometryValues)219 TEST_F(SurfaceTextureClientTest, DefaultGeometryValues) {
220 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
221 ANativeWindowBuffer* buf;
222 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
223 EXPECT_EQ(1, buf->width);
224 EXPECT_EQ(1, buf->height);
225 EXPECT_EQ(PIXEL_FORMAT_RGBA_8888, buf->format);
226 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf, -1));
227 }
228
TEST_F(SurfaceTextureClientTest,BufferGeometryCanBeSet)229 TEST_F(SurfaceTextureClientTest, BufferGeometryCanBeSet) {
230 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
231 ANativeWindowBuffer* buf;
232 EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 16, 8));
233 EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), PIXEL_FORMAT_RGB_565));
234 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
235 EXPECT_EQ(16, buf->width);
236 EXPECT_EQ(8, buf->height);
237 EXPECT_EQ(PIXEL_FORMAT_RGB_565, buf->format);
238 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf, -1));
239 }
240
TEST_F(SurfaceTextureClientTest,BufferGeometryDefaultSizeSetFormat)241 TEST_F(SurfaceTextureClientTest, BufferGeometryDefaultSizeSetFormat) {
242 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
243 ANativeWindowBuffer* buf;
244 EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 0, 0));
245 EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), PIXEL_FORMAT_RGB_565));
246 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
247 EXPECT_EQ(1, buf->width);
248 EXPECT_EQ(1, buf->height);
249 EXPECT_EQ(PIXEL_FORMAT_RGB_565, buf->format);
250 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf, -1));
251 }
252
TEST_F(SurfaceTextureClientTest,BufferGeometrySetSizeDefaultFormat)253 TEST_F(SurfaceTextureClientTest, BufferGeometrySetSizeDefaultFormat) {
254 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
255 ANativeWindowBuffer* buf;
256 EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 16, 8));
257 EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), 0));
258 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
259 EXPECT_EQ(16, buf->width);
260 EXPECT_EQ(8, buf->height);
261 EXPECT_EQ(PIXEL_FORMAT_RGBA_8888, buf->format);
262 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf, -1));
263 }
264
TEST_F(SurfaceTextureClientTest,BufferGeometrySizeCanBeUnset)265 TEST_F(SurfaceTextureClientTest, BufferGeometrySizeCanBeUnset) {
266 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
267 ANativeWindowBuffer* buf;
268 EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 16, 8));
269 EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), 0));
270 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
271 EXPECT_EQ(16, buf->width);
272 EXPECT_EQ(8, buf->height);
273 EXPECT_EQ(PIXEL_FORMAT_RGBA_8888, buf->format);
274 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf, -1));
275 EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 0, 0));
276 EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), 0));
277 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
278 EXPECT_EQ(1, buf->width);
279 EXPECT_EQ(1, buf->height);
280 EXPECT_EQ(PIXEL_FORMAT_RGBA_8888, buf->format);
281 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf, -1));
282 }
283
TEST_F(SurfaceTextureClientTest,BufferGeometrySizeCanBeChangedWithoutFormat)284 TEST_F(SurfaceTextureClientTest, BufferGeometrySizeCanBeChangedWithoutFormat) {
285 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
286 ANativeWindowBuffer* buf;
287 EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 0, 0));
288 EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), PIXEL_FORMAT_RGB_565));
289 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
290 EXPECT_EQ(1, buf->width);
291 EXPECT_EQ(1, buf->height);
292 EXPECT_EQ(PIXEL_FORMAT_RGB_565, buf->format);
293 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf, -1));
294 EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 16, 8));
295 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
296 EXPECT_EQ(16, buf->width);
297 EXPECT_EQ(8, buf->height);
298 EXPECT_EQ(PIXEL_FORMAT_RGB_565, buf->format);
299 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf, -1));
300 }
301
TEST_F(SurfaceTextureClientTest,SurfaceTextureSetDefaultSize)302 TEST_F(SurfaceTextureClientTest, SurfaceTextureSetDefaultSize) {
303 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
304 sp<GLConsumer> st(mST);
305 ANativeWindowBuffer* buf;
306 EXPECT_EQ(OK, st->setDefaultBufferSize(16, 8));
307 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
308 EXPECT_EQ(16, buf->width);
309 EXPECT_EQ(8, buf->height);
310 EXPECT_EQ(PIXEL_FORMAT_RGBA_8888, buf->format);
311 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf, -1));
312 }
313
TEST_F(SurfaceTextureClientTest,SurfaceTextureSetDefaultSizeAfterDequeue)314 TEST_F(SurfaceTextureClientTest, SurfaceTextureSetDefaultSizeAfterDequeue) {
315 ANativeWindowBuffer* buf[2];
316 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
317 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 4));
318 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
319 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
320 EXPECT_NE(buf[0], buf[1]);
321 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[0], -1));
322 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[1], -1));
323 EXPECT_EQ(OK, mST->setDefaultBufferSize(16, 8));
324 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
325 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
326 EXPECT_NE(buf[0], buf[1]);
327 EXPECT_EQ(16, buf[0]->width);
328 EXPECT_EQ(16, buf[1]->width);
329 EXPECT_EQ(8, buf[0]->height);
330 EXPECT_EQ(8, buf[1]->height);
331 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[0], -1));
332 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[1], -1));
333 }
334
TEST_F(SurfaceTextureClientTest,SurfaceTextureSetDefaultSizeVsGeometry)335 TEST_F(SurfaceTextureClientTest, SurfaceTextureSetDefaultSizeVsGeometry) {
336 ANativeWindowBuffer* buf[2];
337 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
338 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 4));
339 EXPECT_EQ(OK, mST->setDefaultBufferSize(16, 8));
340 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
341 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
342 EXPECT_NE(buf[0], buf[1]);
343 EXPECT_EQ(16, buf[0]->width);
344 EXPECT_EQ(16, buf[1]->width);
345 EXPECT_EQ(8, buf[0]->height);
346 EXPECT_EQ(8, buf[1]->height);
347 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[0], -1));
348 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[1], -1));
349 EXPECT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 12, 24));
350 EXPECT_EQ(OK, native_window_set_buffers_format(mANW.get(), 0));
351 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
352 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
353 EXPECT_NE(buf[0], buf[1]);
354 EXPECT_EQ(12, buf[0]->width);
355 EXPECT_EQ(12, buf[1]->width);
356 EXPECT_EQ(24, buf[0]->height);
357 EXPECT_EQ(24, buf[1]->height);
358 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[0], -1));
359 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[1], -1));
360 }
361
TEST_F(SurfaceTextureClientTest,SurfaceTextureTooManyUpdateTexImage)362 TEST_F(SurfaceTextureClientTest, SurfaceTextureTooManyUpdateTexImage) {
363 android_native_buffer_t* buf[3];
364 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
365 ASSERT_EQ(OK, mANW->setSwapInterval(mANW.get(), 0));
366 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 4));
367
368 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
369 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
370 EXPECT_EQ(OK, mST->updateTexImage());
371 EXPECT_EQ(OK, mST->updateTexImage());
372
373 ASSERT_EQ(OK, mANW->setSwapInterval(mANW.get(), 1));
374 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 3));
375
376 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
377 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
378 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
379 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[1], -1));
380
381 EXPECT_EQ(OK, mST->updateTexImage());
382 EXPECT_EQ(OK, mST->updateTexImage());
383 EXPECT_EQ(OK, mST->updateTexImage());
384 }
385
TEST_F(SurfaceTextureClientTest,SurfaceTextureSyncModeSlowRetire)386 TEST_F(SurfaceTextureClientTest, SurfaceTextureSyncModeSlowRetire) {
387 android_native_buffer_t* buf[3];
388 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
389 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 4));
390 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
391 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
392 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[2]));
393 EXPECT_NE(buf[0], buf[1]);
394 EXPECT_NE(buf[1], buf[2]);
395 EXPECT_NE(buf[2], buf[0]);
396 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
397 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[1], -1));
398 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[2], -1));
399 EXPECT_EQ(OK, mST->updateTexImage());
400 EXPECT_EQ(mST->getCurrentBuffer().get(), buf[0]);
401 EXPECT_EQ(OK, mST->updateTexImage());
402 EXPECT_EQ(mST->getCurrentBuffer().get(), buf[1]);
403 EXPECT_EQ(OK, mST->updateTexImage());
404 EXPECT_EQ(mST->getCurrentBuffer().get(), buf[2]);
405 }
406
TEST_F(SurfaceTextureClientTest,SurfaceTextureSyncModeFastRetire)407 TEST_F(SurfaceTextureClientTest, SurfaceTextureSyncModeFastRetire) {
408 android_native_buffer_t* buf[3];
409 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
410 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 4));
411 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
412 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
413 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[2]));
414 EXPECT_NE(buf[0], buf[1]);
415 EXPECT_NE(buf[1], buf[2]);
416 EXPECT_NE(buf[2], buf[0]);
417 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
418 EXPECT_EQ(OK, mST->updateTexImage());
419 EXPECT_EQ(mST->getCurrentBuffer().get(), buf[0]);
420 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[1], -1));
421 EXPECT_EQ(OK, mST->updateTexImage());
422 EXPECT_EQ(mST->getCurrentBuffer().get(), buf[1]);
423 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[2], -1));
424 EXPECT_EQ(OK, mST->updateTexImage());
425 EXPECT_EQ(mST->getCurrentBuffer().get(), buf[2]);
426 }
427
TEST_F(SurfaceTextureClientTest,SurfaceTextureSyncModeDQQR)428 TEST_F(SurfaceTextureClientTest, SurfaceTextureSyncModeDQQR) {
429 android_native_buffer_t* buf[3];
430 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
431 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 3));
432 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
433 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
434 EXPECT_EQ(OK, mST->updateTexImage());
435 EXPECT_EQ(mST->getCurrentBuffer().get(), buf[0]);
436
437 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
438 EXPECT_NE(buf[0], buf[1]);
439 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[1], -1));
440 EXPECT_EQ(OK, mST->updateTexImage());
441 EXPECT_EQ(mST->getCurrentBuffer().get(), buf[1]);
442
443 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[2]));
444 EXPECT_NE(buf[1], buf[2]);
445 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[2], -1));
446 EXPECT_EQ(OK, mST->updateTexImage());
447 EXPECT_EQ(mST->getCurrentBuffer().get(), buf[2]);
448 }
449
450 // XXX: We currently have no hardware that properly handles dequeuing the
451 // buffer that is currently bound to the texture.
TEST_F(SurfaceTextureClientTest,DISABLED_SurfaceTextureSyncModeDequeueCurrent)452 TEST_F(SurfaceTextureClientTest, DISABLED_SurfaceTextureSyncModeDequeueCurrent) {
453 android_native_buffer_t* buf[3];
454 android_native_buffer_t* firstBuf;
455 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
456 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 3));
457 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &firstBuf));
458 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), firstBuf, -1));
459 EXPECT_EQ(OK, mST->updateTexImage());
460 EXPECT_EQ(mST->getCurrentBuffer().get(), firstBuf);
461 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
462 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
463 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
464 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[1], -1));
465 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[2]));
466 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[2], -1));
467 EXPECT_NE(buf[0], buf[1]);
468 EXPECT_NE(buf[1], buf[2]);
469 EXPECT_NE(buf[2], buf[0]);
470 EXPECT_EQ(firstBuf, buf[2]);
471 }
472
TEST_F(SurfaceTextureClientTest,SurfaceTextureSyncModeMinUndequeued)473 TEST_F(SurfaceTextureClientTest, SurfaceTextureSyncModeMinUndequeued) {
474 android_native_buffer_t* buf[3];
475 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
476 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 3));
477
478 // We should be able to dequeue all the buffers before we've queued mANWy.
479 EXPECT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
480 EXPECT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
481 EXPECT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[2]));
482
483 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[2], -1));
484 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[1], -1));
485
486 EXPECT_EQ(OK, mST->updateTexImage());
487 EXPECT_EQ(mST->getCurrentBuffer().get(), buf[1]);
488
489 EXPECT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[2]));
490
491 // Once we've queued a buffer, however we should not be able to dequeue more
492 // than (buffer-count - MIN_UNDEQUEUED_BUFFERS), which is 2 in this case.
493 EXPECT_EQ(INVALID_OPERATION,
494 native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
495
496 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[0], -1));
497 ASSERT_EQ(OK, mANW->cancelBuffer(mANW.get(), buf[2], -1));
498 }
499
TEST_F(SurfaceTextureClientTest,SetCropCropsCrop)500 TEST_F(SurfaceTextureClientTest, SetCropCropsCrop) {
501 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
502 android_native_rect_t rect = {-2, -13, 40, 18};
503 native_window_set_crop(mANW.get(), &rect);
504
505 ASSERT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 4, 4));
506
507 android_native_buffer_t* buf;
508 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf));
509 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf, -1));
510 ASSERT_EQ(OK, mST->updateTexImage());
511
512 Rect crop = mST->getCurrentCrop();
513 EXPECT_EQ(0, crop.left);
514 EXPECT_EQ(0, crop.top);
515 EXPECT_EQ(4, crop.right);
516 EXPECT_EQ(4, crop.bottom);
517 }
518
519 // XXX: This is not expected to pass until the synchronization hacks are removed
520 // from the SurfaceTexture class.
TEST_F(SurfaceTextureClientTest,DISABLED_SurfaceTextureSyncModeWaitRetire)521 TEST_F(SurfaceTextureClientTest, DISABLED_SurfaceTextureSyncModeWaitRetire) {
522 class MyThread : public Thread {
523 sp<GLConsumer> mST;
524 EGLContext ctx;
525 EGLSurface sur;
526 EGLDisplay dpy;
527 bool mBufferRetired;
528 Mutex mLock;
529 virtual bool threadLoop() {
530 eglMakeCurrent(dpy, sur, sur, ctx);
531 usleep(20000);
532 Mutex::Autolock _l(mLock);
533 mST->updateTexImage();
534 mBufferRetired = true;
535 eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
536 return false;
537 }
538 public:
539 explicit MyThread(const sp<GLConsumer>& mST)
540 : mST(mST), mBufferRetired(false) {
541 ctx = eglGetCurrentContext();
542 sur = eglGetCurrentSurface(EGL_DRAW);
543 dpy = eglGetCurrentDisplay();
544 eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
545 }
546 ~MyThread() {
547 eglMakeCurrent(dpy, sur, sur, ctx);
548 }
549 void bufferDequeued() {
550 Mutex::Autolock _l(mLock);
551 EXPECT_EQ(true, mBufferRetired);
552 }
553 };
554
555 android_native_buffer_t* buf[3];
556 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
557 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 3));
558 // dequeue/queue/update so we have a current buffer
559 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
560 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
561 mST->updateTexImage();
562
563 MyThread* thread = new MyThread(mST);
564 sp<Thread> threadBase(thread);
565
566 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
567 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
568 thread->run("MyThread");
569 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[1]));
570 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[1], -1));
571 //ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[2]));
572 //ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[2], -1));
573 thread->bufferDequeued();
574 thread->requestExitAndWait();
575 }
576
TEST_F(SurfaceTextureClientTest,GetTransformMatrixReturnsVerticalFlip)577 TEST_F(SurfaceTextureClientTest, GetTransformMatrixReturnsVerticalFlip) {
578 android_native_buffer_t* buf[3];
579 float mtx[16] = {};
580 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
581 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 4));
582 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
583 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
584 ASSERT_EQ(OK, mST->updateTexImage());
585 mST->getTransformMatrix(mtx);
586
587 EXPECT_EQ(1.f, mtx[0]);
588 EXPECT_EQ(0.f, mtx[1]);
589 EXPECT_EQ(0.f, mtx[2]);
590 EXPECT_EQ(0.f, mtx[3]);
591
592 EXPECT_EQ(0.f, mtx[4]);
593 EXPECT_EQ(-1.f, mtx[5]);
594 EXPECT_EQ(0.f, mtx[6]);
595 EXPECT_EQ(0.f, mtx[7]);
596
597 EXPECT_EQ(0.f, mtx[8]);
598 EXPECT_EQ(0.f, mtx[9]);
599 EXPECT_EQ(1.f, mtx[10]);
600 EXPECT_EQ(0.f, mtx[11]);
601
602 EXPECT_EQ(0.f, mtx[12]);
603 EXPECT_EQ(1.f, mtx[13]);
604 EXPECT_EQ(0.f, mtx[14]);
605 EXPECT_EQ(1.f, mtx[15]);
606 }
607
TEST_F(SurfaceTextureClientTest,GetTransformMatrixSucceedsAfterFreeingBuffers)608 TEST_F(SurfaceTextureClientTest, GetTransformMatrixSucceedsAfterFreeingBuffers) {
609 android_native_buffer_t* buf[3];
610 float mtx[16] = {};
611 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
612 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 4));
613 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
614 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
615 ASSERT_EQ(OK, mST->updateTexImage());
616 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 6)); // frees buffers
617 mST->getTransformMatrix(mtx);
618
619 EXPECT_EQ(1.f, mtx[0]);
620 EXPECT_EQ(0.f, mtx[1]);
621 EXPECT_EQ(0.f, mtx[2]);
622 EXPECT_EQ(0.f, mtx[3]);
623
624 EXPECT_EQ(0.f, mtx[4]);
625 EXPECT_EQ(-1.f, mtx[5]);
626 EXPECT_EQ(0.f, mtx[6]);
627 EXPECT_EQ(0.f, mtx[7]);
628
629 EXPECT_EQ(0.f, mtx[8]);
630 EXPECT_EQ(0.f, mtx[9]);
631 EXPECT_EQ(1.f, mtx[10]);
632 EXPECT_EQ(0.f, mtx[11]);
633
634 EXPECT_EQ(0.f, mtx[12]);
635 EXPECT_EQ(1.f, mtx[13]);
636 EXPECT_EQ(0.f, mtx[14]);
637 EXPECT_EQ(1.f, mtx[15]);
638 }
639
TEST_F(SurfaceTextureClientTest,GetTransformMatrixSucceedsAfterFreeingBuffersWithCrop)640 TEST_F(SurfaceTextureClientTest, GetTransformMatrixSucceedsAfterFreeingBuffersWithCrop) {
641 // Query to see if the image crop extension exists
642 EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
643 const char* exts = eglQueryStringImplementationANDROID(dpy, EGL_EXTENSIONS);
644 size_t cropExtLen = strlen(CROP_EXT_STR);
645 size_t extsLen = strlen(exts);
646 bool equal = !strcmp(CROP_EXT_STR, exts);
647 bool atStart = !strncmp(CROP_EXT_STR " ", exts, cropExtLen+1);
648 bool atEnd = (cropExtLen+1) < extsLen &&
649 !strcmp(" " CROP_EXT_STR, exts + extsLen - (cropExtLen+1));
650 bool inMiddle = strstr(exts, " " CROP_EXT_STR " ");
651 bool hasEglAndroidImageCrop = equal || atStart || atEnd || inMiddle;
652
653 android_native_buffer_t* buf[3];
654 float mtx[16] = {};
655 android_native_rect_t crop;
656 crop.left = 0;
657 crop.top = 0;
658 crop.right = 5;
659 crop.bottom = 5;
660
661 ASSERT_EQ(OK, native_window_api_connect(mANW.get(), NATIVE_WINDOW_API_CPU));
662 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 4));
663 ASSERT_EQ(OK, native_window_set_buffers_dimensions(mANW.get(), 8, 8));
664 ASSERT_EQ(OK, native_window_set_buffers_format(mANW.get(), 0));
665 ASSERT_EQ(OK, native_window_dequeue_buffer_and_wait(mANW.get(), &buf[0]));
666 ASSERT_EQ(OK, native_window_set_crop(mANW.get(), &crop));
667 ASSERT_EQ(OK, mANW->queueBuffer(mANW.get(), buf[0], -1));
668 ASSERT_EQ(OK, mST->updateTexImage());
669 ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 6)); // frees buffers
670 mST->getTransformMatrix(mtx);
671
672 // If the egl image crop extension is not present, this accounts for the
673 // .5 texel shrink for each edge that's included in the transform matrix
674 // to avoid texturing outside the crop region. Otherwise the crop is not
675 // included in the transform matrix.
676 EXPECT_EQ(hasEglAndroidImageCrop ? 1 : 0.5, mtx[0]);
677 EXPECT_EQ(0.f, mtx[1]);
678 EXPECT_EQ(0.f, mtx[2]);
679 EXPECT_EQ(0.f, mtx[3]);
680
681 EXPECT_EQ(0.f, mtx[4]);
682 EXPECT_EQ(hasEglAndroidImageCrop ? -1 : -0.5, mtx[5]);
683 EXPECT_EQ(0.f, mtx[6]);
684 EXPECT_EQ(0.f, mtx[7]);
685
686 EXPECT_EQ(0.f, mtx[8]);
687 EXPECT_EQ(0.f, mtx[9]);
688 EXPECT_EQ(1.f, mtx[10]);
689 EXPECT_EQ(0.f, mtx[11]);
690
691 EXPECT_EQ(hasEglAndroidImageCrop ? 0 : 0.0625f, mtx[12]);
692 EXPECT_EQ(hasEglAndroidImageCrop ? 1 : 0.5625f, mtx[13]);
693 EXPECT_EQ(0.f, mtx[14]);
694 EXPECT_EQ(1.f, mtx[15]);
695 }
696
697 // This test verifies that the buffer format can be queried immediately after
698 // it is set.
TEST_F(SurfaceTextureClientTest,QueryFormatAfterSettingWorks)699 TEST_F(SurfaceTextureClientTest, QueryFormatAfterSettingWorks) {
700 sp<ANativeWindow> anw(mSTC);
701 int fmts[] = {
702 // RGBA_8888 should not come first, as it's the default
703 HAL_PIXEL_FORMAT_RGBX_8888,
704 HAL_PIXEL_FORMAT_RGBA_8888,
705 HAL_PIXEL_FORMAT_RGB_888,
706 HAL_PIXEL_FORMAT_RGB_565,
707 HAL_PIXEL_FORMAT_BGRA_8888,
708 HAL_PIXEL_FORMAT_YV12,
709 };
710
711 const int numFmts = (sizeof(fmts) / sizeof(fmts[0]));
712 for (int i = 0; i < numFmts; i++) {
713 int fmt = -1;
714 ASSERT_EQ(OK, native_window_set_buffers_dimensions(anw.get(), 0, 0));
715 ASSERT_EQ(OK, native_window_set_buffers_format(anw.get(), fmts[i]));
716 ASSERT_EQ(OK, anw->query(anw.get(), NATIVE_WINDOW_FORMAT, &fmt));
717 EXPECT_EQ(fmts[i], fmt);
718 }
719 }
720
721 class MultiSurfaceTextureClientTest : public ::testing::Test {
722
723 public:
MultiSurfaceTextureClientTest()724 MultiSurfaceTextureClientTest() :
725 mEglDisplay(EGL_NO_DISPLAY),
726 mEglContext(EGL_NO_CONTEXT) {
727 for (int i = 0; i < NUM_SURFACE_TEXTURES; i++) {
728 mEglSurfaces[i] = EGL_NO_CONTEXT;
729 }
730 }
731
732 protected:
733
734 enum { NUM_SURFACE_TEXTURES = 32 };
735
SetUp()736 virtual void SetUp() {
737 mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
738 ASSERT_EQ(EGL_SUCCESS, eglGetError());
739 ASSERT_NE(EGL_NO_DISPLAY, mEglDisplay);
740
741 EGLint majorVersion, minorVersion;
742 EXPECT_TRUE(eglInitialize(mEglDisplay, &majorVersion, &minorVersion));
743 ASSERT_EQ(EGL_SUCCESS, eglGetError());
744
745 EGLConfig myConfig;
746 EGLint numConfigs = 0;
747 EGLint configAttribs[] = {
748 EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
749 EGL_NONE
750 };
751 EXPECT_TRUE(eglChooseConfig(mEglDisplay, configAttribs, &myConfig, 1,
752 &numConfigs));
753 ASSERT_EQ(EGL_SUCCESS, eglGetError());
754
755 mEglContext = eglCreateContext(mEglDisplay, myConfig, EGL_NO_CONTEXT,
756 0);
757 ASSERT_EQ(EGL_SUCCESS, eglGetError());
758 ASSERT_NE(EGL_NO_CONTEXT, mEglContext);
759
760 for (int i = 0; i < NUM_SURFACE_TEXTURES; i++) {
761 sp<IGraphicBufferProducer> producer;
762 sp<IGraphicBufferConsumer> consumer;
763 BufferQueue::createBufferQueue(&producer, &consumer);
764 sp<GLConsumer> st(new GLConsumer(consumer, i,
765 GLConsumer::TEXTURE_EXTERNAL, true, false));
766 sp<Surface> stc(new Surface(producer));
767 mEglSurfaces[i] = eglCreateWindowSurface(mEglDisplay, myConfig,
768 static_cast<ANativeWindow*>(stc.get()), NULL);
769 ASSERT_EQ(EGL_SUCCESS, eglGetError());
770 ASSERT_NE(EGL_NO_SURFACE, mEglSurfaces[i]);
771 }
772 }
773
TearDown()774 virtual void TearDown() {
775 eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
776 EGL_NO_CONTEXT);
777
778 for (int i = 0; i < NUM_SURFACE_TEXTURES; i++) {
779 if (mEglSurfaces[i] != EGL_NO_SURFACE) {
780 eglDestroySurface(mEglDisplay, mEglSurfaces[i]);
781 }
782 }
783
784 if (mEglContext != EGL_NO_CONTEXT) {
785 eglDestroyContext(mEglDisplay, mEglContext);
786 }
787
788 if (mEglDisplay != EGL_NO_DISPLAY) {
789 eglTerminate(mEglDisplay);
790 }
791 }
792
793 EGLDisplay mEglDisplay;
794 EGLSurface mEglSurfaces[NUM_SURFACE_TEXTURES];
795 EGLContext mEglContext;
796 };
797
798 // XXX: This test is disabled because it causes a hang on some devices. See bug
799 // 5015672.
TEST_F(MultiSurfaceTextureClientTest,DISABLED_MakeCurrentBetweenSurfacesWorks)800 TEST_F(MultiSurfaceTextureClientTest, DISABLED_MakeCurrentBetweenSurfacesWorks) {
801 for (int iter = 0; iter < 8; iter++) {
802 for (int i = 0; i < NUM_SURFACE_TEXTURES; i++) {
803 eglMakeCurrent(mEglDisplay, mEglSurfaces[i], mEglSurfaces[i],
804 mEglContext);
805 glClear(GL_COLOR_BUFFER_BIT);
806 eglSwapBuffers(mEglDisplay, mEglSurfaces[i]);
807 }
808 }
809 }
810
811 } // namespace android
812