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/* window.c
*
* Window
*
*
*/
#include <SDL/SDL.h>
#include <SDL/SDL_image.h>
#include <GL/glew.h>
#include "window.h"
extern const unsigned int bpp_w;
extern const unsigned int sdl_video_flags;
void window_resize(int w, int h)
{
printf("window: resizing to %dx%d\n", w, h);
GLfloat fAspect = (GLfloat) w / (GLfloat) h;
if (h == 0)
h = 1;
glViewport(0, 0, w, h);
/* reset coordinate system */
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
/* produce the perspective projection */
/* void gluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar) */
gluPerspective(40.0f, fAspect, 1.0, 40.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
/* this needs to be ran again, glut does it for you I suppose */
SDL_SetVideoMode(w, h, bpp_w, sdl_video_flags);
}
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