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
|
/*
client/video.cc
This file is part of the Osirion project and is distributed under
the terms and conditions of the GNU General Public License version 2
*/
#include "client/video.h"
#include "client/view.h"
#include "render/render.h"
#include "core/core.h"
#include "sys/sys.h"
#include <SDL/SDL.h>
using namespace render;
namespace client {
namespace video {
int width = 0;
int height = 0;
int width_prev = 0;
int height_prev = 0;
const int width_default = 1024;
const int height_default = 768;
float aspect = 1;
//--- cvars -------------------------------------------------------
core::Cvar r_width;
core::Cvar r_height;
core::Cvar r_fullscreen;
void reset()
{
// recalculate the video aspect
aspect = (float) width / (float) height;
// settup our viewport.
gl::viewport(0, 0, width, height );
// reset the view
view::reset();
}
bool init()
{
con_print << "Initializing video..." << std::endl;
// initialize cvars
r_width = core::cvar::get("r_width", width_default);
r_height = core::cvar::get("r_height", height_default);
r_fullscreen = core::cvar::get("r_fullscreen", 1);
int bpp = 0;
int flags = 0;
if( SDL_InitSubSystem(SDL_INIT_VIDEO) < 0 ) {
std::cerr << "SDL_Init() failed: " << SDL_GetError() << std::endl;
return false;
}
const SDL_VideoInfo* sdl_videoinfo = SDL_GetVideoInfo();
if( !sdl_videoinfo) {
std::cerr << "SDL_GetVideoInfo() failed: " << SDL_GetError() << std::endl;
return false;
}
width_prev = width;
height_prev = height;
width = (int) r_width->value();
height = (int) r_height->value();
bpp = sdl_videoinfo->vfmt->BitsPerPixel;
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 5 );
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 );
SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16 );
SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, 2);
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
flags = SDL_OPENGL | SDL_FULLSCREEN;
if(!SDL_SetVideoMode(width, height, bpp, flags )) {
con_warn << "Failed to set video mode " << width << "x" << height << "x" << bpp << "bpp" << std::endl;
if (width_prev && height_prev) {
width = width_prev;
height = height_prev;
if(!SDL_SetVideoMode(width, height, bpp, flags )) {
con_error << "Failed to restore video mode " << width << "x" << height << "x" << bpp << "bpp" << std::endl;
return false;
}
} else
return false;
}
con_print << " video mode " << width << "x" << height << "x" << bpp << "bpp" << std::endl;
aspect = (float) width / (float) height;
render::init();
view::init();
video::reset();
return true;
}
void frame(float seconds)
{
// render a client frame
view::frame(seconds);
SDL_GL_SwapBuffers();
}
void shutdown()
{
con_print << "Shutting down video..." << std::endl;
view::shutdown();
render::shutdown();
width = 0;
height = 0;
SDL_QuitSubSystem(SDL_INIT_VIDEO);
}
} // namespace video
} // namespace client
|
