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_allocator_dma32_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 int64_t ts;
44 int dst_width, dst_height, dst_format;
45 int dst_buf_size;
46 char *dst_buf;
47 int dst_dma_fd;
48 rga_buffer_t dst = {};
49 im_rect dst_rect = {};
50 rga_buffer_handle_t dst_handle;
51
52 dst_width = 1280;
53 dst_height = 720;
54 dst_format = RK_FORMAT_RGBA_8888;
55
56 dst_buf_size = dst_width * dst_height * get_bpp_from_format(dst_format);
57
58 /*
59 * Allocate dma_buf within 4G from dma32_heap,
60 * return dma_fd and virtual address.
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 dst_rect.x = 0;
85 dst_rect.y = 0;
86 dst_rect.width = 300;
87 dst_rect.height = 200;
88
89 ret = imcheck({}, dst, {}, dst_rect, IM_COLOR_FILL);
90 if (IM_STATUS_NOERROR != ret) {
91 printf("%d, check error! %s", __LINE__, imStrError((IM_STATUS)ret));
92 goto release_buffer;
93 }
94
95 ts = get_cur_us();
96
97 ret = imfill(dst, dst_rect, 0xff00ff00);
98 if (ret == IM_STATUS_SUCCESS) {
99 printf("%s running success! cost %ld us\n", LOG_TAG, get_cur_us() - ts);
100 } else {
101 printf("%s running failed, %s\n", LOG_TAG, imStrError((IM_STATUS)ret));
102 goto release_buffer;
103 }
104
105 printf("output [0x%x, 0x%x, 0x%x, 0x%x]\n", dst_buf[0], dst_buf[1], dst_buf[2], dst_buf[3]);
106 write_image_to_file(dst_buf, LOCAL_FILE_PATH, dst_width, dst_height, dst_format, 0);
107
108 release_buffer:
109 if (dst_handle > 0)
110 releasebuffer_handle(dst_handle);
111
112 free_buf:
113 dma_buf_free(dst_buf_size, &dst_dma_fd, dst_buf);
114
115 return 0;
116 }
117