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