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
|
#include "../core/je_configuration.h"
#if defined(jin_graphics)
#include <iostream>
#include "../utils/je_utils.h"
#include "../audio/sdl/je_sdl_audio.h"
#include "../utils/je_log.h"
#include "shader/je_shader.h"
#include "je_window.h"
#include "je_gl.h"
#include "je_canvas.h"
namespace JinEngine
{
namespace Graphics
{
bool Window::initSystem(const SettingBase* s)
{
#if defined(jin_debug)
Loghelper::log(Loglevel::LV_INFO, "Init window system");
#endif
if (SDL_Init(SDL_INIT_VIDEO) < 0)
return false;
const Setting* setting = (Setting*)s;
size.w = setting->width;
size.h = setting->height;
fps = setting->fps;
bool vsync = setting->vsync;
const char* title = setting->title;
if (wnd)
{
SDL_DestroyWindow(wnd);
SDL_FlushEvent(SDL_WINDOWEVENT);
}
SDL_GLContext ctx = NULL;
if (ctx)
{
SDL_GL_DeleteContext(ctx);
}
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
int wx = SDL_WINDOWPOS_UNDEFINED,
wy = SDL_WINDOWPOS_UNDEFINED;
int flag = SDL_WINDOW_SHOWN | SDL_WINDOW_OPENGL;
if (setting->fullscreen) flag |= SDL_WINDOW_FULLSCREEN;
if (setting->resizable) flag |= SDL_WINDOW_RESIZABLE;
wnd = SDL_CreateWindow(title, wx, wy, size.w, size.h, flag);
if (wnd == NULL)
return false;
ctx = SDL_GL_CreateContext(wnd);
if (ctx == NULL)
return false;
SDL_GL_SetSwapInterval(vsync ? 1 : 0);
SDL_GL_MakeCurrent(wnd, ctx);
// default configuration
gl.setClearColor(0, 0, 0, 0xff);
gl.pushColor(0xff, 0xff, 0xff, 0xff);
gl.enable(GL_BLEND);
gl.enable(GL_TEXTURE_2D);
gl.setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// avoid white screen blink on windows
swapBuffers();
// bind to default canvas
Canvas::unbind();
Shader::unuse();
return true;
}
void Window::quitSystem()
{
// disable opengl
gl.disable(GL_BLEND);
gl.disable(GL_TEXTURE_2D);
// close window
SDL_DestroyWindow(wnd);
SDL_Quit();
}
void Window::swapBuffers()
{
if (wnd)
SDL_GL_SwapWindow(wnd);
}
void Window::setTitle(const char* title)
{
SDL_SetWindowTitle(wnd, title);
};
} // namespace Graphics
} // namespace JinEngine
#endif // defined(jin_graphics)
|
