The program below tries to draw two lines.
On my laptop both lines will draw. On my desktop only line 1 will draw.
I think I’m missing something from my code to get the GL lines set up right. Can anyone point me in the right direction?
Code:
#include “stdafx.h”
#include “SDL.h”
#include “SDL_opengl.h”
#pragma comment(lib, “opengl32.lib”)
#pragma comment(lib, “glu32.lib”)
int _tmain(int argc, _TCHAR* argv[])
{
if (SDL_Init(SDL_INIT_EVERYTHING) < 0) {
printf(“SDL_Init failed: %s\n”, SDL_GetError());
return 0;
}
SDL_Window *window;
window = SDL_CreateWindow("SDL Window", 100,100,500,500, SDL_WINDOW_SHOWN);
SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
SDL_Event event;
bool done = false;
while (!done ) {
if(SDL_PollEvent(&event)){
switch(event.type)
case SDL_QUIT:
done = true;
}
SDL_SetRenderDrawColor(renderer, 255,255,255,255);
SDL_RenderClear(renderer);
// Line 1
SDL_SetRenderDrawColor(renderer, 0,0,0,255);
SDL_RenderDrawLine(renderer,0,0,500,500);
// Line 2
glColor4ub( 255,0,0,255);
glLineWidth( 5 );
glBegin(GL_LINES);
glVertex2i(500,0);
glVertex2i(0,500);
glEnd();
glLineWidth( 1.0f );
SDL_RenderPresent(renderer);
}
}