1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/*
Copyright (c) 2005-2022 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include <cassert>
#include <stdio.h>
#include "video.hpp"
unsigned int *g_pImg = nullptr;
int g_sizex, g_sizey;
static video *g_video = nullptr;
static int g_fps = 0;
#if _WIN32 || _WIN64
static DWORD g_msec = 0;
#ifdef _WINDOWS
HINSTANCE video::win_hInstance = 0;
int video::win_iCmdShow = 0;
void video::win_set_class(WNDCLASSEX &wcex) {}
void video::win_load_accelerators(int idc) {}
#endif //_WINDOWS
#else
#include <sched.h>
#include <sys/time.h>
struct timeval g_time;
#endif //_WIN32||_WIN64
#define CALC_FPS_ENABLED ((WINAPI_FAMILY != WINAPI_FAMILY_APP) && (!__ANDROID__))
video::video()
// OpenGL* RGBA byte order for little-endian CPU
: depth(24),
red_shift(0),
green_shift(8),
blue_shift(16),
red_mask(0xff),
green_mask(0xff00),
blue_mask(0xff0000) {
assert(g_video == nullptr);
g_video = this;
title = "Video";
updating = calc_fps = false;
}
bool video::init_window(int x, int y) {
g_sizex = x;
g_sizey = y;
g_pImg = new unsigned int[x * y];
running = true;
return false;
}
bool video::init_console() {
running = true;
return true;
}
void video::terminate() {
#if CALC_FPS_ENABLED
if (calc_fps) {
double fps = g_fps;
#if _WIN32 || _WIN64
fps /= (GetTickCount() - g_msec) / 1000.0;
#else
struct timezone tz;
struct timeval end_time;
gettimeofday(&end_time, &tz);
fps /= (end_time.tv_sec + 1.0 * end_time.tv_usec / 1000000.0) -
(g_time.tv_sec + 1.0 * g_time.tv_usec / 1000000.0);
#endif
printf("%s: %.1f fps\n", title, fps);
}
#endif
g_video = nullptr;
running = false;
delete[] g_pImg;
g_pImg = nullptr;
}
video::~video() {
if (g_video)
terminate();
}
//! Count and display FPS count in titlebar
bool video::next_frame() {
#if CALC_FPS_ENABLED
if (calc_fps) {
if (!g_fps) {
#if _WIN32 || _WIN64
g_msec = GetTickCount();
#else
struct timezone tz;
gettimeofday(&g_time, &tz);
#endif
}
g_fps++;
}
#endif
return running;
}
//! Do standard loop
void video::main_loop() {
on_process();
}
//! Change window title
void video::show_title() {}
///////////////////////////////////////////// public methods of video class ///////////////////////
drawing_area::drawing_area(int x, int y, int sizex, int sizey)
: base_index(y * g_sizex + x),
max_index(g_sizex * g_sizey),
index_stride(g_sizex),
pixel_depth(24),
ptr32(g_pImg),
start_x(x),
start_y(y),
size_x(sizex),
size_y(sizey) {
assert(x < g_sizex);
assert(y < g_sizey);
assert(x + sizex <= g_sizex);
assert(y + sizey <= g_sizey);
index = base_index; // current index
}
void drawing_area::update() {}
|
