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
|
#include "base.h"
no_warn_start
#include <SDL2/SDL.h>
no_warn_end
#include <GL/gl.h>
#include "text.h"
static void die(char const *fmt, ...) {
char buf[256] = {0};
va_list args;
va_start(args, fmt);
vsnprintf(buf, sizeof buf - 1, fmt, args);
va_end(args);
// show a message box, and if that fails, print to stderr
if (SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", buf, NULL) < 0) {
fprintf(stderr, "%s\n", buf);
}
exit(EXIT_FAILURE);
}
int main(void) {
if (SDL_Init(SDL_INIT_VIDEO) < 0)
die("%s", SDL_GetError());
SDL_Window *window = SDL_CreateWindow("ted", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 1280, 720, SDL_WINDOW_SHOWN|SDL_WINDOW_OPENGL);
if (!window)
die("%s", SDL_GetError());
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
SDL_GLContext *glctx = SDL_GL_CreateContext(window);
if (!glctx) {
die("%s", SDL_GetError());
}
SDL_GL_SetSwapInterval(1); // vsync
Font *font = text_font_load("assets/font.ttf", 12);
if (!font) {
die("Couldn't load font: %s", text_get_err());
}
bool quit = false;
while (!quit) {
SDL_Event event;
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_QUIT:
quit = true;
break;
}
}
glClearColor(0,0,0,1);
glClear(GL_COLOR_BUFFER_BIT);
SDL_GL_SwapWindow(window);
}
return 0;
}
|