Steward

分享是一種喜悅、更是一種幸福

程式語言 - Simple DirectMedia Layer (SDL) - v1.2 - C/C++ - OpenGL 1.0 - Draw Triangle

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參考資訊：
https://github.com/gamedev-net/nehe-opengl

main.c

#include <stdio.h>
#include <stdlib.h>
#include <SDL.h>
#include <GL/gl.h>
 
int main(int argc, char *argv[])
{
    const int W = 320;
    const int H = 240;
    SDL_Surface *screen = NULL;
 
    SDL_Init(SDL_INIT_VIDEO);
    screen = SDL_SetVideoMode(W, H, 16, SDL_SWSURFACE | SDL_OPENGL);
 
    glViewport(0, 0, W, H);
    glBegin(GL_TRIANGLES);
        glVertex3f(0.0f, 0.5f, 0.0f);
        glVertex3f(-0.5f, -0.5f, 0.0f);
        glVertex3f(0.5f, -0.5f, 0.0f);
    glEnd();
 
    SDL_GL_SwapBuffers();
    SDL_Delay(3000);
 
    SDL_Quit();
    return 0;
}

編譯、執行

$ gcc main.c -I/usr/include/SDL -o main -lSDL -lGL
$ ./main