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 #include "FillBuffer.h"
18
19 #include <ui/GraphicBuffer.h>
20
21 #include <gtest/gtest.h>
22
23 namespace android {
24
fillYV12Buffer(uint8_t * buf,int w,int h,int stride)25 void fillYV12Buffer(uint8_t* buf, int w, int h, int stride) {
26 const int blockWidth = w > 16 ? w / 16 : 1;
27 const int blockHeight = h > 16 ? h / 16 : 1;
28 const int yuvTexOffsetY = 0;
29 int yuvTexStrideY = stride;
30 int yuvTexOffsetV = yuvTexStrideY * h;
31 int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
32 int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * h/2;
33 int yuvTexStrideU = yuvTexStrideV;
34 for (int x = 0; x < w; x++) {
35 for (int y = 0; y < h; y++) {
36 int parityX = (x / blockWidth) & 1;
37 int parityY = (y / blockHeight) & 1;
38 unsigned char intensity = (parityX ^ parityY) ? 63 : 191;
39 buf[yuvTexOffsetY + (y * yuvTexStrideY) + x] = intensity;
40 if (x < w / 2 && y < h / 2) {
41 buf[yuvTexOffsetU + (y * yuvTexStrideU) + x] = intensity;
42 if (x * 2 < w / 2 && y * 2 < h / 2) {
43 buf[yuvTexOffsetV + (y*2 * yuvTexStrideV) + x*2 + 0] =
44 buf[yuvTexOffsetV + (y*2 * yuvTexStrideV) + x*2 + 1] =
45 buf[yuvTexOffsetV + ((y*2+1) * yuvTexStrideV) + x*2 + 0] =
46 buf[yuvTexOffsetV + ((y*2+1) * yuvTexStrideV) + x*2 + 1] =
47 intensity;
48 }
49 }
50 }
51 }
52 }
53
fillYV12BufferRect(uint8_t * buf,int w,int h,int stride,const android_native_rect_t & rect)54 void fillYV12BufferRect(uint8_t* buf, int w, int h, int stride,
55 const android_native_rect_t& rect) {
56 const int yuvTexOffsetY = 0;
57 int yuvTexStrideY = stride;
58 int yuvTexOffsetV = yuvTexStrideY * h;
59 int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
60 int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * h/2;
61 int yuvTexStrideU = yuvTexStrideV;
62 for (int x = 0; x < w; x++) {
63 for (int y = 0; y < h; y++) {
64 bool inside = rect.left <= x && x < rect.right &&
65 rect.top <= y && y < rect.bottom;
66 buf[yuvTexOffsetY + (y * yuvTexStrideY) + x] = inside ? 240 : 64;
67 if (x < w / 2 && y < h / 2) {
68 bool inside = rect.left <= 2*x && 2*x < rect.right &&
69 rect.top <= 2*y && 2*y < rect.bottom;
70 buf[yuvTexOffsetU + (y * yuvTexStrideU) + x] = 16;
71 buf[yuvTexOffsetV + (y * yuvTexStrideV) + x] =
72 inside ? 16 : 255;
73 }
74 }
75 }
76 }
77
fillRGBA8Buffer(uint8_t * buf,int w,int h,int stride)78 void fillRGBA8Buffer(uint8_t* buf, int w, int h, int stride) {
79 const size_t PIXEL_SIZE = 4;
80 for (int x = 0; x < w; x++) {
81 for (int y = 0; y < h; y++) {
82 off_t offset = (y * stride + x) * PIXEL_SIZE;
83 for (int c = 0; c < 4; c++) {
84 int parityX = (x / (1 << (c+2))) & 1;
85 int parityY = (y / (1 << (c+2))) & 1;
86 buf[offset + c] = (parityX ^ parityY) ? 231 : 35;
87 }
88 }
89 }
90 }
91
produceOneRGBA8Frame(const sp<ANativeWindow> & anw)92 void produceOneRGBA8Frame(const sp<ANativeWindow>& anw) {
93 android_native_buffer_t* anb;
94 ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(anw.get(),
95 &anb));
96 ASSERT_TRUE(anb != NULL);
97
98 sp<GraphicBuffer> buf(GraphicBuffer::from(anb));
99
100 uint8_t* img = NULL;
101 ASSERT_EQ(NO_ERROR, buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN,
102 (void**)(&img)));
103 fillRGBA8Buffer(img, buf->getWidth(), buf->getHeight(), buf->getStride());
104 ASSERT_EQ(NO_ERROR, buf->unlock());
105 ASSERT_EQ(NO_ERROR, anw->queueBuffer(anw.get(), buf->getNativeBuffer(),
106 -1));
107 }
108 } // namespace android
109