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 "SurfaceTextureFBO_test"
18 //#define LOG_NDEBUG 0
19 
20 #include "SurfaceTextureFBO.h"
21 
22 namespace android {
23 
24 // This test is intended to verify that proper synchronization is done when
25 // rendering into an FBO.
TEST_F(SurfaceTextureFBOTest,BlitFromCpuFilledBufferToFbo)26 TEST_F(SurfaceTextureFBOTest, BlitFromCpuFilledBufferToFbo) {
27     const int texWidth = 64;
28     const int texHeight = 64;
29 
30     ASSERT_EQ(NO_ERROR, native_window_api_connect(mANW.get(),
31             NATIVE_WINDOW_API_CPU));
32     ASSERT_EQ(NO_ERROR, native_window_set_buffers_dimensions(mANW.get(),
33             texWidth, texHeight));
34     ASSERT_EQ(NO_ERROR, native_window_set_buffers_format(mANW.get(),
35             HAL_PIXEL_FORMAT_RGBA_8888));
36     ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(),
37             GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN));
38 
39     android_native_buffer_t* anb;
40     ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
41             &anb));
42     ASSERT_TRUE(anb != nullptr);
43 
44     sp<GraphicBuffer> buf(GraphicBuffer::from(anb));
45 
46     // Fill the buffer with green
47     uint8_t* img = nullptr;
48     buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
49     fillRGBA8BufferSolid(img, texWidth, texHeight, buf->getStride(), 0, 255,
50             0, 255);
51     buf->unlock();
52     ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), buf->getNativeBuffer(),
53             -1));
54 
55     ASSERT_EQ(NO_ERROR, mST->updateTexImage());
56 
57     glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
58     drawTexture();
59     glBindFramebuffer(GL_FRAMEBUFFER, 0);
60 
61     for (int i = 0; i < 4; i++) {
62         SCOPED_TRACE(String8::format("frame %d", i).string());
63 
64         ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(mANW.get(),
65                 &anb));
66         ASSERT_TRUE(anb != nullptr);
67 
68         buf = GraphicBuffer::from(anb);
69 
70         // Fill the buffer with red
71         ASSERT_EQ(NO_ERROR, buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN,
72                 (void**)(&img)));
73         fillRGBA8BufferSolid(img, texWidth, texHeight, buf->getStride(), 255, 0,
74                 0, 255);
75         ASSERT_EQ(NO_ERROR, buf->unlock());
76         ASSERT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(),
77                 buf->getNativeBuffer(), -1));
78 
79         ASSERT_EQ(NO_ERROR, mST->updateTexImage());
80 
81         drawTexture();
82 
83         EXPECT_TRUE(checkPixel( 24, 39, 255, 0, 0, 255));
84     }
85 
86     glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
87 
88     EXPECT_TRUE(checkPixel( 24, 39, 0, 255, 0, 255));
89 }
90 
91 } // namespace android
92