1 /*
2 * Copyright (C) 2022 Rockchip Electronics Co., Ltd.
3 * Authors:
4 * YuQiaowei <cerf.yu@rock-chips.com>
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 #define LOG_NDEBUG 0
20 #undef LOG_TAG
21 #define LOG_TAG "rga_fill_rectangle_demo"
22
23 #include <iostream>
24 #include <fstream>
25 #include <sstream>
26 #include <cstddef>
27 #include <cmath>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <sys/time.h>
31 #include <unistd.h>
32
33 #include "im2d.h"
34 #include "RgaUtils.h"
35
36 #include "utils.h"
37 #include "dma_alloc.h"
38
39 #define LOCAL_FILE_PATH "/data"
40
main(void)41 int main(void) {
42 int ret = 0;
43 int dst_width, dst_height, dst_format;
44 int dst_buf_size;
45 char *dst_buf;
46 int dst_dma_fd;
47 rga_buffer_t dst = {};
48 im_rect dst_rect = {};
49 rga_buffer_handle_t dst_handle;
50
51 dst_width = 1280;
52 dst_height = 720;
53 dst_format = RK_FORMAT_RGBA_8888;
54
55 dst_buf_size = dst_width * dst_height * get_bpp_from_format(dst_format);
56
57 /*
58 * Allocate dma_buf within 4G from dma32_heap,
59 * return dma_fd and virtual address.
60 * ColorFill can only be used on buffers within 4G.
61 */
62 ret = dma_buf_alloc(DMA_HEAP_DMA32_UNCACHE_PATCH, dst_buf_size, &dst_dma_fd, (void **)&dst_buf);
63 if (ret < 0) {
64 printf("alloc dma32_heap buffer failed!\n");
65 return -1;
66 }
67
68 memset(dst_buf, 0x33, dst_buf_size);
69
70 /*
71 * Import the allocated dma_fd into RGA by calling
72 * importbuffer_fd, and use the returned buffer_handle
73 * to call RGA to process the image.
74 */
75 dst_handle = importbuffer_fd(dst_dma_fd, dst_buf_size);
76 if (dst_handle == 0) {
77 printf("import dma_fd error!\n");
78 ret = -1;
79 goto free_buf;
80 }
81
82 dst = wrapbuffer_handle(dst_handle, dst_width, dst_height, dst_format);
83
84 /*
85 * Fills a rectangular area on the dst image with the specified color.
86 dst_image
87 --------------
88 | ------- |
89 | |rect | |
90 | ------- |
91 --------------
92 */
93
94 dst_rect.x = 0;
95 dst_rect.y = 0;
96 dst_rect.width = 300;
97 dst_rect.height = 200;
98
99 ret = imcheck({}, dst, {}, dst_rect, IM_COLOR_FILL);
100 if (IM_STATUS_NOERROR != ret) {
101 printf("%d, check error! %s", __LINE__, imStrError((IM_STATUS)ret));
102 goto release_buffer;
103 }
104
105 ret = imrectangle(dst, dst_rect, 0xff00ff00, 2);
106 if (ret == IM_STATUS_SUCCESS) {
107 printf("%s running success!\n", LOG_TAG);
108 } else {
109 printf("%s running failed, %s\n", LOG_TAG, imStrError((IM_STATUS)ret));
110 goto release_buffer;
111 }
112
113 printf("output [0x%x, 0x%x, 0x%x, 0x%x]\n", dst_buf[0], dst_buf[1], dst_buf[2], dst_buf[3]);
114 write_image_to_file(dst_buf, LOCAL_FILE_PATH, dst_width, dst_height, dst_format, 0);
115
116 release_buffer:
117 if (dst_handle > 0)
118 releasebuffer_handle(dst_handle);
119
120 free_buf:
121 dma_buf_free(dst_buf_size, &dst_dma_fd, dst_buf);
122
123 return 0;
124 }
125