71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
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// To compile with gcc: (tested on Ubuntu 14.04 64bit):
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// g++ sdl2_opengl.cpp -lSDL2 -lGL
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// To compile with msvc: (tested on Windows 7 64bit)
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// cl sdl2_opengl.cpp /I C:\sdl2path\include /link C:\path\SDL2.lib C:\path\SDL2main.lib /SUBSYSTEM:CONSOLE /NODEFAULTLIB:libcmtd.lib opengl32.lib
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#include <stdio.h>
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#include <stdint.h>
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#include <assert.h>
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#include <SDL2/SDL.h>
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#include <SDL2/SDL_opengl.h>
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#include <GL/gl.h>
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typedef int32_t i32;
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typedef uint32_t u32;
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typedef int32_t b32;
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#define WinWidth 1000
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#define WinHeight 1000
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int main (int ArgCount, char **Args)
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{
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u32 WindowFlags = SDL_WINDOW_OPENGL;
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SDL_Window *Window = SDL_CreateWindow("OpenGL Test", 0, 0, WinWidth, WinHeight, WindowFlags);
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assert(Window);
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SDL_GLContext Context = SDL_GL_CreateContext(Window);
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b32 Running = 1;
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b32 FullScreen = 0;
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while (Running)
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{
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SDL_Event Event;
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while (SDL_PollEvent(&Event))
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{
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if (Event.type == SDL_KEYDOWN)
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{
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switch (Event.key.keysym.sym)
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{
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case SDLK_ESCAPE:
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Running = 0;
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break;
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case 'f':
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FullScreen = !FullScreen;
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if (FullScreen)
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{
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SDL_SetWindowFullscreen(Window, WindowFlags | SDL_WINDOW_FULLSCREEN_DESKTOP);
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}
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else
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{
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SDL_SetWindowFullscreen(Window, WindowFlags);
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}
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break;
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default:
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break;
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}
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}
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else if (Event.type == SDL_QUIT)
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{
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Running = 0;
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}
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}
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glViewport(0, 0, WinWidth, WinHeight);
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glClearColor(1.f, 0.f, 1.f, 0.f);
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glClear(GL_COLOR_BUFFER_BIT);
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SDL_GL_SwapWindow(Window);
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}
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return 0;
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}
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