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
|
#include "window.h"
#include "3rdparty/GLee/GLee.h"
#include "canvas.h"
#include "../utils/utils.h"
namespace jin
{
namespace render
{
shared Window* Window::g_wnd = 0;
Window::Window(): wnd(0), ctx(0)
{
}
Window::~Window()
{
}
onlyonce void Window::init(const Window::Setting& setting)
{
CallOnce(_init(setting));
}
inline void Window::_init(const Setting& setting)
{
width = setting.width;
height = setting.height;
const char* title = setting.title;
bool vsync = setting.vsync;
if (wnd)
{
SDL_DestroyWindow(wnd);
SDL_FlushEvent(SDL_WINDOWEVENT);
}
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;
wnd = SDL_CreateWindow(title, wx, wy, width, height, SDL_WINDOW_SHOWN | SDL_WINDOW_OPENGL);
ctx = SDL_GL_CreateContext(wnd);
SDL_GL_SetSwapInterval(vsync ? 1 : 0);
SDL_GL_MakeCurrent(wnd, ctx);
glClearColor(0.f, 0.f, 0.f, 1.f);
glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glColor4f(1, 1, 1, 1);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
Canvas::unbind();
swapBuffers();
}
SDL_Window* Window::getWnd()
{
return wnd;
}
SDL_GLContext Window::getCtx()
{
return ctx;
}
inline void Window::swapBuffers()
{
if (wnd)
SDL_GL_SwapWindow(wnd);
}
}
}
|
