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March 29, 2023 01:26
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| #define GLEW_STATIC | |
| #include <GL/glew.h> | |
| #include <SDL.h> | |
| #include <SDL_opengl.h> | |
| SDL_Window* window; | |
| SDL_GLContext context; | |
| SDL_Event event; | |
| GLuint vertexBuffer; | |
| int loop=1; | |
| int main(int argc, char *argv[]) | |
| { | |
| SDL_Init(SDL_INIT_VIDEO); | |
| SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); | |
| SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); | |
| SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2); | |
| SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8); | |
| window = SDL_CreateWindow("OpenGL", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 800, 600, SDL_WINDOW_OPENGL); | |
| context = SDL_GL_CreateContext(window); | |
| glewExperimental = GL_TRUE; | |
| glewInit(); | |
| glGenBuffers(1, &vertexBuffer); | |
| printf("%u\n", vertexBuffer); | |
| loop=1; | |
| while(loop) | |
| { | |
| /*stuff will go here in next step*/ | |
| SDL_PollEvent( &event ); | |
| if( event.type == SDL_QUIT ){loop=0;} | |
| if(event.type == SDL_KEYDOWN) | |
| { | |
| if(event.key.keysym.sym==SDLK_ESCAPE){loop=0;} | |
| } | |
| SDL_GL_SwapWindow( window ); | |
| } | |
| SDL_GL_DeleteContext(context); | |
| SDL_Quit(); | |
| return 0; | |
| } | |
| /* | |
| this source was made by following the SDL section of this page: | |
| https://open.gl/context | |
| The entire thing can be compiled and run on Linux with: | |
| gcc -Wall -ansi -pedantic main.c -o main `sdl2-config --cflags --libs` -lOpenGL -lGLEW -lm && ./main | |
| It only makes a window and OpenGL context. Nothing else. It is merely the start of things. | |
| */ |
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