--- a/test/testgl.c	Sun May 21 17:27:13 2006 +0000
+++ b/test/testgl.c	Sun May 28 13:04:16 2006 +0000
@@ -25,735 +25,746 @@
 
 /**********************************************************************/
 
-void HotKey_ToggleFullScreen(void)
+void
+HotKey_ToggleFullScreen (void)
 {
-	SDL_Surface *screen;
+    SDL_Surface *screen;
 
-	screen = SDL_GetVideoSurface();
-	if ( SDL_WM_ToggleFullScreen(screen) ) {
-		printf("Toggled fullscreen mode - now %s\n",
-		    (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed");
-	} else {
-		printf("Unable to toggle fullscreen mode\n");
-	}
+    screen = SDL_GetVideoSurface ();
+    if (SDL_WM_ToggleFullScreen (screen)) {
+        printf ("Toggled fullscreen mode - now %s\n",
+                (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
+    } else {
+        printf ("Unable to toggle fullscreen mode\n");
+    }
 }
 
-void HotKey_ToggleGrab(void)
+void
+HotKey_ToggleGrab (void)
 {
-	SDL_GrabMode mode;
+    SDL_GrabMode mode;
 
-	printf("Ctrl-G: toggling input grab!\n");
-	mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
-	if ( mode == SDL_GRAB_ON ) {
-		printf("Grab was on\n");
-	} else {
-		printf("Grab was off\n");
-	}
-	mode = SDL_WM_GrabInput(!mode);
-	if ( mode == SDL_GRAB_ON ) {
-		printf("Grab is now on\n");
-	} else {
-		printf("Grab is now off\n");
-	}
+    printf ("Ctrl-G: toggling input grab!\n");
+    mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
+    if (mode == SDL_GRAB_ON) {
+        printf ("Grab was on\n");
+    } else {
+        printf ("Grab was off\n");
+    }
+    mode = SDL_WM_GrabInput (!mode);
+    if (mode == SDL_GRAB_ON) {
+        printf ("Grab is now on\n");
+    } else {
+        printf ("Grab is now off\n");
+    }
 }
 
-void HotKey_Iconify(void)
+void
+HotKey_Iconify (void)
 {
-	printf("Ctrl-Z: iconifying window!\n");
-	SDL_WM_IconifyWindow();
+    printf ("Ctrl-Z: iconifying window!\n");
+    SDL_WM_IconifyWindow ();
 }
 
-int HandleEvent(SDL_Event *event)
+int
+HandleEvent (SDL_Event * event)
 {
-	int done;
+    int done;
 
-	done = 0;
-	switch( event->type ) {
-	    case SDL_ACTIVEEVENT:
-		/* See what happened */
-		printf( "app %s ", event->active.gain ? "gained" : "lost" );
-		if ( event->active.state & SDL_APPACTIVE ) {
-			printf( "active " );
-		} else if ( event->active.state & SDL_APPMOUSEFOCUS ) {
-			printf( "mouse " );
-		} else if ( event->active.state & SDL_APPINPUTFOCUS ) {
-			printf( "input " );
-		}
-		printf( "focus\n" );
-		break;
-		
+    done = 0;
+    switch (event->type) {
+    case SDL_ACTIVEEVENT:
+        /* See what happened */
+        printf ("app %s ", event->active.gain ? "gained" : "lost");
+        if (event->active.state & SDL_APPACTIVE) {
+            printf ("active ");
+        } else if (event->active.state & SDL_APPMOUSEFOCUS) {
+            printf ("mouse ");
+        } else if (event->active.state & SDL_APPINPUTFOCUS) {
+            printf ("input ");
+        }
+        printf ("focus\n");
+        break;
+
 
-	    case SDL_KEYDOWN:
-		if ( event->key.keysym.sym == SDLK_ESCAPE ) {
-			done = 1;
-		}
-		if ( (event->key.keysym.sym == SDLK_g) &&
-		     (event->key.keysym.mod & KMOD_CTRL) ) {
-			HotKey_ToggleGrab();
-		}
-		if ( (event->key.keysym.sym == SDLK_z) &&
-		     (event->key.keysym.mod & KMOD_CTRL) ) {
-			HotKey_Iconify();
-		}
-		if ( (event->key.keysym.sym == SDLK_RETURN) &&
-		     (event->key.keysym.mod & KMOD_ALT) ) {
-			HotKey_ToggleFullScreen();
-		}
-		printf("key '%s' pressed\n", 
-			SDL_GetKeyName(event->key.keysym.sym));
-		break;
-	    case SDL_QUIT:
-		done = 1;
-		break;
-	}
-	return(done);
+    case SDL_KEYDOWN:
+        if (event->key.keysym.sym == SDLK_ESCAPE) {
+            done = 1;
+        }
+        if ((event->key.keysym.sym == SDLK_g) &&
+            (event->key.keysym.mod & KMOD_CTRL)) {
+            HotKey_ToggleGrab ();
+        }
+        if ((event->key.keysym.sym == SDLK_z) &&
+            (event->key.keysym.mod & KMOD_CTRL)) {
+            HotKey_Iconify ();
+        }
+        if ((event->key.keysym.sym == SDLK_RETURN) &&
+            (event->key.keysym.mod & KMOD_ALT)) {
+            HotKey_ToggleFullScreen ();
+        }
+        printf ("key '%s' pressed\n", SDL_GetKeyName (event->key.keysym.sym));
+        break;
+    case SDL_QUIT:
+        done = 1;
+        break;
+    }
+    return (done);
 }
 
-void SDL_GL_Enter2DMode()
+void
+SDL_GL_Enter2DMode ()
 {
-	SDL_Surface *screen = SDL_GetVideoSurface();
+    SDL_Surface *screen = SDL_GetVideoSurface ();
 
-	/* Note, there may be other things you need to change,
-	   depending on how you have your OpenGL state set up.
-	*/
-	glPushAttrib(GL_ENABLE_BIT);
-	glDisable(GL_DEPTH_TEST);
-	glDisable(GL_CULL_FACE);
-	glEnable(GL_TEXTURE_2D);
+    /* Note, there may be other things you need to change,
+       depending on how you have your OpenGL state set up.
+     */
+    glPushAttrib (GL_ENABLE_BIT);
+    glDisable (GL_DEPTH_TEST);
+    glDisable (GL_CULL_FACE);
+    glEnable (GL_TEXTURE_2D);
 
-	/* This allows alpha blending of 2D textures with the scene */
-	glEnable(GL_BLEND);
-	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    /* This allows alpha blending of 2D textures with the scene */
+    glEnable (GL_BLEND);
+    glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
-	glViewport(0, 0, screen->w, screen->h);
+    glViewport (0, 0, screen->w, screen->h);
 
-	glMatrixMode(GL_PROJECTION);
-	glPushMatrix();
-	glLoadIdentity();
+    glMatrixMode (GL_PROJECTION);
+    glPushMatrix ();
+    glLoadIdentity ();
 
-	glOrtho(0.0, (GLdouble)screen->w, (GLdouble)screen->h, 0.0, 0.0, 1.0);
+    glOrtho (0.0, (GLdouble) screen->w, (GLdouble) screen->h, 0.0, 0.0, 1.0);
 
-	glMatrixMode(GL_MODELVIEW);
-	glPushMatrix();
-	glLoadIdentity();
+    glMatrixMode (GL_MODELVIEW);
+    glPushMatrix ();
+    glLoadIdentity ();
 
-	glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
+    glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
 }
 
-void SDL_GL_Leave2DMode()
+void
+SDL_GL_Leave2DMode ()
 {
-	glMatrixMode(GL_MODELVIEW);
-	glPopMatrix();
+    glMatrixMode (GL_MODELVIEW);
+    glPopMatrix ();
 
-	glMatrixMode(GL_PROJECTION);
-	glPopMatrix();
+    glMatrixMode (GL_PROJECTION);
+    glPopMatrix ();
 
-	glPopAttrib();
+    glPopAttrib ();
 }
 
 /* Quick utility function for texture creation */
-static int power_of_two(int input)
+static int
+power_of_two (int input)
+{
+    int value = 1;
+
+    while (value < input) {
+        value <<= 1;
+    }
+    return value;
+}
+
+GLuint
+SDL_GL_LoadTexture (SDL_Surface * surface, GLfloat * texcoord)
 {
-	int value = 1;
+    GLuint texture;
+    int w, h;
+    SDL_Surface *image;
+    SDL_Rect area;
+    Uint32 saved_flags;
+    Uint8 saved_alpha;
+
+    /* Use the surface width and height expanded to powers of 2 */
+    w = power_of_two (surface->w);
+    h = power_of_two (surface->h);
+    texcoord[0] = 0.0f;         /* Min X */
+    texcoord[1] = 0.0f;         /* Min Y */
+    texcoord[2] = (GLfloat) surface->w / w;     /* Max X */
+    texcoord[3] = (GLfloat) surface->h / h;     /* Max Y */
 
-	while ( value < input ) {
-		value <<= 1;
-	}
-	return value;
+    image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32,
+#if SDL_BYTEORDER == SDL_LIL_ENDIAN     /* OpenGL RGBA masks */
+                                  0x000000FF,
+                                  0x0000FF00, 0x00FF0000, 0xFF000000
+#else
+                                  0xFF000000,
+                                  0x00FF0000, 0x0000FF00, 0x000000FF
+#endif
+        );
+    if (image == NULL) {
+        return 0;
+    }
+
+    /* Save the alpha blending attributes */
+    saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
+    saved_alpha = surface->format->alpha;
+    if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
+        SDL_SetAlpha (surface, 0, 0);
+    }
+
+    /* Copy the surface into the GL texture image */
+    area.x = 0;
+    area.y = 0;
+    area.w = surface->w;
+    area.h = surface->h;
+    SDL_BlitSurface (surface, &area, image, &area);
+
+    /* Restore the alpha blending attributes */
+    if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
+        SDL_SetAlpha (surface, saved_flags, saved_alpha);
+    }
+
+    /* Create an OpenGL texture for the image */
+    glGenTextures (1, &texture);
+    glBindTexture (GL_TEXTURE_2D, texture);
+    glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexImage2D (GL_TEXTURE_2D,
+                  0,
+                  GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
+    SDL_FreeSurface (image);    /* No longer needed */
+
+    return texture;
 }
 
-GLuint SDL_GL_LoadTexture(SDL_Surface *surface, GLfloat *texcoord)
+void
+DrawLogoCursor (void)
 {
-	GLuint texture;
-	int w, h;
-	SDL_Surface *image;
-	SDL_Rect area;
-	Uint32 saved_flags;
-	Uint8  saved_alpha;
+    static GLfloat texMinX, texMinY;
+    static GLfloat texMaxX, texMaxY;
+    static int w, h;
+    int x, y;
+
+    if (!cursor_texture) {
+        SDL_Surface *image;
+        GLfloat texcoord[4];
+
+        /* Load the image (could use SDL_image library here) */
+        image = SDL_LoadBMP (LOGO_FILE);
+        if (image == NULL) {
+            return;
+        }
+        w = image->w;
+        h = image->h;
+
+        /* Convert the image into an OpenGL texture */
+        cursor_texture = SDL_GL_LoadTexture (image, texcoord);
+
+        /* Make texture coordinates easy to understand */
+        texMinX = texcoord[0];
+        texMinY = texcoord[1];
+        texMaxX = texcoord[2];
+        texMaxY = texcoord[3];
 
-	/* Use the surface width and height expanded to powers of 2 */
-	w = power_of_two(surface->w);
-	h = power_of_two(surface->h);
-	texcoord[0] = 0.0f;			/* Min X */
-	texcoord[1] = 0.0f;			/* Min Y */
-	texcoord[2] = (GLfloat)surface->w / w;	/* Max X */
-	texcoord[3] = (GLfloat)surface->h / h;	/* Max Y */
+        /* We don't need the original image anymore */
+        SDL_FreeSurface (image);
+
+        /* Make sure that the texture conversion is okay */
+        if (!cursor_texture) {
+            return;
+        }
+    }
+
+    /* Move the image around */
+    SDL_GetMouseState (&x, &y);
+    x -= w / 2;
+    y -= h / 2;
+
+    /* Show the image on the screen */
+    SDL_GL_Enter2DMode ();
+    glBindTexture (GL_TEXTURE_2D, cursor_texture);
+    glBegin (GL_TRIANGLE_STRIP);
+    glTexCoord2f (texMinX, texMinY);
+    glVertex2i (x, y);
+    glTexCoord2f (texMaxX, texMinY);
+    glVertex2i (x + w, y);
+    glTexCoord2f (texMinX, texMaxY);
+    glVertex2i (x, y + h);
+    glTexCoord2f (texMaxX, texMaxY);
+    glVertex2i (x + w, y + h);
+    glEnd ();
+    SDL_GL_Leave2DMode ();
+}
 
-	image = SDL_CreateRGBSurface(
-			SDL_SWSURFACE,
-			w, h,
-			32,
-#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
-			0x000000FF, 
-			0x0000FF00, 
-			0x00FF0000, 
-			0xFF000000
-#else
-			0xFF000000,
-			0x00FF0000, 
-			0x0000FF00, 
-			0x000000FF
-#endif
-		       );
-	if ( image == NULL ) {
-		return 0;
-	}
+void
+DrawLogoTexture (void)
+{
+    static GLfloat texMinX, texMinY;
+    static GLfloat texMaxX, texMaxY;
+    static int x = 0;
+    static int y = 0;
+    static int w, h;
+    static int delta_x = 1;
+    static int delta_y = 1;
+
+    SDL_Surface *screen = SDL_GetVideoSurface ();
+
+    if (!global_texture) {
+        SDL_Surface *image;
+        GLfloat texcoord[4];
 
-	/* Save the alpha blending attributes */
-	saved_flags = surface->flags&(SDL_SRCALPHA|SDL_RLEACCELOK);
-	saved_alpha = surface->format->alpha;
-	if ( (saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA ) {
-		SDL_SetAlpha(surface, 0, 0);
-	}
+        /* Load the image (could use SDL_image library here) */
+        image = SDL_LoadBMP (LOGO_FILE);
+        if (image == NULL) {
+            return;
+        }
+        w = image->w;
+        h = image->h;
+
+        /* Convert the image into an OpenGL texture */
+        global_texture = SDL_GL_LoadTexture (image, texcoord);
+
+        /* Make texture coordinates easy to understand */
+        texMinX = texcoord[0];
+        texMinY = texcoord[1];
+        texMaxX = texcoord[2];
+        texMaxY = texcoord[3];
+
+        /* We don't need the original image anymore */
+        SDL_FreeSurface (image);
 
-	/* Copy the surface into the GL texture image */
-	area.x = 0;
-	area.y = 0;
-	area.w = surface->w;
-	area.h = surface->h;
-	SDL_BlitSurface(surface, &area, image, &area);
-
-	/* Restore the alpha blending attributes */
-	if ( (saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA ) {
-		SDL_SetAlpha(surface, saved_flags, saved_alpha);
-	}
+        /* Make sure that the texture conversion is okay */
+        if (!global_texture) {
+            return;
+        }
+    }
 
-	/* Create an OpenGL texture for the image */
-	glGenTextures(1, &texture);
-	glBindTexture(GL_TEXTURE_2D, texture);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-	glTexImage2D(GL_TEXTURE_2D,
-		     0,
-		     GL_RGBA,
-		     w, h,
-		     0,
-		     GL_RGBA,
-		     GL_UNSIGNED_BYTE,
-		     image->pixels);
-	SDL_FreeSurface(image); /* No longer needed */
+    /* Move the image around */
+    x += delta_x;
+    if (x < 0) {
+        x = 0;
+        delta_x = -delta_x;
+    } else if ((x + w) > screen->w) {
+        x = screen->w - w;
+        delta_x = -delta_x;
+    }
+    y += delta_y;
+    if (y < 0) {
+        y = 0;
+        delta_y = -delta_y;
+    } else if ((y + h) > screen->h) {
+        y = screen->h - h;
+        delta_y = -delta_y;
+    }
 
-	return texture;
+    /* Show the image on the screen */
+    SDL_GL_Enter2DMode ();
+    glBindTexture (GL_TEXTURE_2D, global_texture);
+    glBegin (GL_TRIANGLE_STRIP);
+    glTexCoord2f (texMinX, texMinY);
+    glVertex2i (x, y);
+    glTexCoord2f (texMaxX, texMinY);
+    glVertex2i (x + w, y);
+    glTexCoord2f (texMinX, texMaxY);
+    glVertex2i (x, y + h);
+    glTexCoord2f (texMaxX, texMaxY);
+    glVertex2i (x + w, y + h);
+    glEnd ();
+    SDL_GL_Leave2DMode ();
 }
 
-void DrawLogoCursor(void)
+int
+RunGLTest (int argc, char *argv[],
+           int logo, int logocursor, int slowly, int bpp, float gamma,
+           int noframe, int fsaa, int sync, int accel)
 {
-	static GLfloat texMinX, texMinY;
-	static GLfloat texMaxX, texMaxY;
-	static int w, h;
-	int x, y;
-
-	if ( ! cursor_texture ) {
-		SDL_Surface *image;
-		GLfloat texcoord[4];
-
-		/* Load the image (could use SDL_image library here) */
-		image = SDL_LoadBMP(LOGO_FILE);
-		if ( image == NULL ) {
-			return;
-		}
-		w = image->w;
-		h = image->h;
+    int i;
+    int rgb_size[3];
+    int w = 640;
+    int h = 480;
+    int done = 0;
+    int frames;
+    Uint32 start_time, this_time;
+    float color[8][3] = { {1.0, 1.0, 0.0},
+    {1.0, 0.0, 0.0},
+    {0.0, 0.0, 0.0},
+    {0.0, 1.0, 0.0},
+    {0.0, 1.0, 1.0},
+    {1.0, 1.0, 1.0},
+    {1.0, 0.0, 1.0},
+    {0.0, 0.0, 1.0}
+    };
+    float cube[8][3] = { {0.5, 0.5, -0.5},
+    {0.5, -0.5, -0.5},
+    {-0.5, -0.5, -0.5},
+    {-0.5, 0.5, -0.5},
+    {-0.5, 0.5, 0.5},
+    {0.5, 0.5, 0.5},
+    {0.5, -0.5, 0.5},
+    {-0.5, -0.5, 0.5}
+    };
+    Uint32 video_flags;
+    int value;
 
-		/* Convert the image into an OpenGL texture */
-		cursor_texture = SDL_GL_LoadTexture(image, texcoord);
-
-		/* Make texture coordinates easy to understand */
-		texMinX = texcoord[0];
-		texMinY = texcoord[1];
-		texMaxX = texcoord[2];
-		texMaxY = texcoord[3];
+    if (SDL_Init (SDL_INIT_VIDEO) < 0) {
+        fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
+        exit (1);
+    }
 
-		/* We don't need the original image anymore */
-		SDL_FreeSurface(image);
+    /* See if we should detect the display depth */
+    if (bpp == 0) {
+        if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8) {
+            bpp = 8;
+        } else {
+            bpp = 16;           /* More doesn't seem to work */
+        }
+    }
 
-		/* Make sure that the texture conversion is okay */
-		if ( ! cursor_texture ) {
-			return;
-		}
-	}
+    /* Set the flags we want to use for setting the video mode */
+    video_flags = SDL_OPENGL;
+    for (i = 1; argv[i]; ++i) {
+        if (strcmp (argv[i], "-fullscreen") == 0) {
+            video_flags |= SDL_FULLSCREEN;
+        }
+    }
 
-	/* Move the image around */
-	SDL_GetMouseState(&x, &y);
-	x -= w/2;
-	y -= h/2;
+    if (noframe) {
+        video_flags |= SDL_NOFRAME;
+    }
 
-	/* Show the image on the screen */
-	SDL_GL_Enter2DMode();
-	glBindTexture(GL_TEXTURE_2D, cursor_texture);
-	glBegin(GL_TRIANGLE_STRIP);
-	glTexCoord2f(texMinX, texMinY); glVertex2i(x,   y  );
-	glTexCoord2f(texMaxX, texMinY); glVertex2i(x+w, y  );
-	glTexCoord2f(texMinX, texMaxY); glVertex2i(x,   y+h);
-	glTexCoord2f(texMaxX, texMaxY); glVertex2i(x+w, y+h);
-	glEnd();
-	SDL_GL_Leave2DMode();
-}
-
-void DrawLogoTexture(void)
-{
-	static GLfloat texMinX, texMinY;
-	static GLfloat texMaxX, texMaxY;
-	static int x = 0;
-	static int y = 0;
-	static int w, h;
-	static int delta_x = 1;
-	static int delta_y = 1;
-
-	SDL_Surface *screen = SDL_GetVideoSurface();
+    /* Initialize the display */
+    switch (bpp) {
+    case 8:
+        rgb_size[0] = 3;
+        rgb_size[1] = 3;
+        rgb_size[2] = 2;
+        break;
+    case 15:
+    case 16:
+        rgb_size[0] = 5;
+        rgb_size[1] = 5;
+        rgb_size[2] = 5;
+        break;
+    default:
+        rgb_size[0] = 8;
+        rgb_size[1] = 8;
+        rgb_size[2] = 8;
+        break;
+    }
+    SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
+    SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
+    SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
+    SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16);
+    SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
+    if (fsaa) {
+        SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
+        SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
+    }
+    if (accel) {
+        SDL_GL_SetAttribute (SDL_GL_ACCELERATED_VISUAL, 1);
+    }
+    if (sync) {
+        SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 1);
+    } else {
+        SDL_GL_SetAttribute (SDL_GL_SWAP_CONTROL, 0);
+    }
+    if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL) {
+        fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
+        SDL_Quit ();
+        exit (1);
+    }
 
-	if ( ! global_texture ) {
-		SDL_Surface *image;
-		GLfloat texcoord[4];
-
-		/* Load the image (could use SDL_image library here) */
-		image = SDL_LoadBMP(LOGO_FILE);
-		if ( image == NULL ) {
-			return;
-		}
-		w = image->w;
-		h = image->h;
+    printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
+    printf ("\n");
+    printf ("Vendor     : %s\n", glGetString (GL_VENDOR));
+    printf ("Renderer   : %s\n", glGetString (GL_RENDERER));
+    printf ("Version    : %s\n", glGetString (GL_VERSION));
+    printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
+    printf ("\n");
 
-		/* Convert the image into an OpenGL texture */
-		global_texture = SDL_GL_LoadTexture(image, texcoord);
+    SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
+    printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
+    SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
+    printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
+    SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
+    printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
+    SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
+    printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
+    SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
+    printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
+    if (fsaa) {
+        SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
+        printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
+        SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
+        printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
+                value);
+    }
+    if (accel) {
+        SDL_GL_GetAttribute (SDL_GL_ACCELERATED_VISUAL, &value);
+        printf ("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value);
+    }
+    if (sync) {
+        SDL_GL_GetAttribute (SDL_GL_SWAP_CONTROL, &value);
+        printf ("SDL_GL_SWAP_CONTROL: requested 1, got %d\n", value);
+    }
 
-		/* Make texture coordinates easy to understand */
-		texMinX = texcoord[0];
-		texMinY = texcoord[1];
-		texMaxX = texcoord[2];
-		texMaxY = texcoord[3];
-
-		/* We don't need the original image anymore */
-		SDL_FreeSurface(image);
+    /* Set the window manager title bar */
+    SDL_WM_SetCaption ("SDL GL test", "testgl");
 
-		/* Make sure that the texture conversion is okay */
-		if ( ! global_texture ) {
-			return;
-		}
-	}
+    /* Set the gamma for the window */
+    if (gamma != 0.0) {
+        SDL_SetGamma (gamma, gamma, gamma);
+    }
+
+    glViewport (0, 0, w, h);
+    glMatrixMode (GL_PROJECTION);
+    glLoadIdentity ();
+
+    glOrtho (-2.0, 2.0, -2.0, 2.0, -20.0, 20.0);
+
+    glMatrixMode (GL_MODELVIEW);
+    glLoadIdentity ();
+
+    glEnable (GL_DEPTH_TEST);
+
+    glDepthFunc (GL_LESS);
+
+    glShadeModel (GL_SMOOTH);
+
+    /* Loop until done. */
+    start_time = SDL_GetTicks ();
+    frames = 0;
+    while (!done) {
+        GLenum gl_error;
+        char *sdl_error;
+        SDL_Event event;
 
-	/* Move the image around */
-	x += delta_x;
-	if ( x < 0 ) {
-		x = 0;
-		delta_x = -delta_x;
-	} else
-	if ( (x+w) > screen->w ) {
-		x = screen->w-w;
-		delta_x = -delta_x;
-	}
-	y += delta_y;
-	if ( y < 0 ) {
-		y = 0;
-		delta_y = -delta_y;
-	} else
-	if ( (y+h) > screen->h ) {
-		y = screen->h-h;
-		delta_y = -delta_y;
-	}
+        /* Do our drawing, too. */
+        glClearColor (0.0, 0.0, 0.0, 1.0);
+        glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+        glBegin (GL_QUADS);
+
+#ifdef SHADED_CUBE
+        glColor3fv (color[0]);
+        glVertex3fv (cube[0]);
+        glColor3fv (color[1]);
+        glVertex3fv (cube[1]);
+        glColor3fv (color[2]);
+        glVertex3fv (cube[2]);
+        glColor3fv (color[3]);
+        glVertex3fv (cube[3]);
 
-	/* Show the image on the screen */
-	SDL_GL_Enter2DMode();
-	glBindTexture(GL_TEXTURE_2D, global_texture);
-	glBegin(GL_TRIANGLE_STRIP);
-	glTexCoord2f(texMinX, texMinY); glVertex2i(x,   y  );
-	glTexCoord2f(texMaxX, texMinY); glVertex2i(x+w, y  );
-	glTexCoord2f(texMinX, texMaxY); glVertex2i(x,   y+h);
-	glTexCoord2f(texMaxX, texMaxY); glVertex2i(x+w, y+h);
-	glEnd();
-	SDL_GL_Leave2DMode();
-}
+        glColor3fv (color[3]);
+        glVertex3fv (cube[3]);
+        glColor3fv (color[4]);
+        glVertex3fv (cube[4]);
+        glColor3fv (color[7]);
+        glVertex3fv (cube[7]);
+        glColor3fv (color[2]);
+        glVertex3fv (cube[2]);
+
+        glColor3fv (color[0]);
+        glVertex3fv (cube[0]);
+        glColor3fv (color[5]);
+        glVertex3fv (cube[5]);
+        glColor3fv (color[6]);
+        glVertex3fv (cube[6]);
+        glColor3fv (color[1]);
+        glVertex3fv (cube[1]);
 
-int RunGLTest( int argc, char* argv[],
-               int logo, int logocursor, int slowly, int bpp, float gamma, int noframe, int fsaa, int sync, int accel )
-{
-	int i;
-	int rgb_size[3];
-	int w = 640;
-	int h = 480;
-	int done = 0;
-	int frames;
-	Uint32 start_time, this_time;
-        float color[8][3]= {{ 1.0,  1.0,  0.0}, 
-			    { 1.0,  0.0,  0.0},
-			    { 0.0,  0.0,  0.0},
-			    { 0.0,  1.0,  0.0},
-			    { 0.0,  1.0,  1.0},
-			    { 1.0,  1.0,  1.0},
-			    { 1.0,  0.0,  1.0},
-			    { 0.0,  0.0,  1.0}};
-	float cube[8][3]= {{ 0.5,  0.5, -0.5}, 
-			   { 0.5, -0.5, -0.5},
-			   {-0.5, -0.5, -0.5},
-			   {-0.5,  0.5, -0.5},
-			   {-0.5,  0.5,  0.5},
-			   { 0.5,  0.5,  0.5},
-			   { 0.5, -0.5,  0.5},
-			   {-0.5, -0.5,  0.5}};
-	Uint32 video_flags;
-	int value;
+        glColor3fv (color[5]);
+        glVertex3fv (cube[5]);
+        glColor3fv (color[4]);
+        glVertex3fv (cube[4]);
+        glColor3fv (color[7]);
+        glVertex3fv (cube[7]);
+        glColor3fv (color[6]);
+        glVertex3fv (cube[6]);
+
+        glColor3fv (color[5]);
+        glVertex3fv (cube[5]);
+        glColor3fv (color[0]);
+        glVertex3fv (cube[0]);
+        glColor3fv (color[3]);
+        glVertex3fv (cube[3]);
+        glColor3fv (color[4]);
+        glVertex3fv (cube[4]);
+
+        glColor3fv (color[6]);
+        glVertex3fv (cube[6]);
+        glColor3fv (color[1]);
+        glVertex3fv (cube[1]);
+        glColor3fv (color[2]);
+        glVertex3fv (cube[2]);
+        glColor3fv (color[7]);
+        glVertex3fv (cube[7]);
+#else /* flat cube */
+        glColor3f (1.0, 0.0, 0.0);
+        glVertex3fv (cube[0]);
+        glVertex3fv (cube[1]);
+        glVertex3fv (cube[2]);
+        glVertex3fv (cube[3]);
 
-	if( SDL_Init( SDL_INIT_VIDEO ) < 0 ) {
-		fprintf(stderr,"Couldn't initialize SDL: %s\n",SDL_GetError());
-		exit( 1 );
-	}
+        glColor3f (0.0, 1.0, 0.0);
+        glVertex3fv (cube[3]);
+        glVertex3fv (cube[4]);
+        glVertex3fv (cube[7]);
+        glVertex3fv (cube[2]);
+
+        glColor3f (0.0, 0.0, 1.0);
+        glVertex3fv (cube[0]);
+        glVertex3fv (cube[5]);
+        glVertex3fv (cube[6]);
+        glVertex3fv (cube[1]);
+
+        glColor3f (0.0, 1.0, 1.0);
+        glVertex3fv (cube[5]);
+        glVertex3fv (cube[4]);
+        glVertex3fv (cube[7]);
+        glVertex3fv (cube[6]);
 
-	/* See if we should detect the display depth */
-	if ( bpp == 0 ) {
-		if ( SDL_GetVideoInfo()->vfmt->BitsPerPixel <= 8 ) {
-			bpp = 8;
-		} else {
-			bpp = 16;  /* More doesn't seem to work */
-		}
-	}
+        glColor3f (1.0, 1.0, 0.0);
+        glVertex3fv (cube[5]);
+        glVertex3fv (cube[0]);
+        glVertex3fv (cube[3]);
+        glVertex3fv (cube[4]);
 
-	/* Set the flags we want to use for setting the video mode */
-	video_flags = SDL_OPENGL;
-	for ( i=1; argv[i]; ++i ) {
-		if ( strcmp(argv[i], "-fullscreen") == 0 ) {
-			video_flags |= SDL_FULLSCREEN;
-		}
-	}
+        glColor3f (1.0, 0.0, 1.0);
+        glVertex3fv (cube[6]);
+        glVertex3fv (cube[1]);
+        glVertex3fv (cube[2]);
+        glVertex3fv (cube[7]);
+#endif /* SHADED_CUBE */
+
+        glEnd ();
 
-        if (noframe) {
-           video_flags |= SDL_NOFRAME;
+        glMatrixMode (GL_MODELVIEW);
+        glRotatef (5.0, 1.0, 1.0, 1.0);
+
+        /* Draw 2D logo onto the 3D display */
+        if (logo) {
+            DrawLogoTexture ();
+        }
+        if (logocursor) {
+            DrawLogoCursor ();
         }
 
-	/* Initialize the display */
-	switch (bpp) {
-	    case 8:
-		rgb_size[0] = 3;
-		rgb_size[1] = 3;
-		rgb_size[2] = 2;
-		break;
-	    case 15:
-	    case 16:
-		rgb_size[0] = 5;
-		rgb_size[1] = 5;
-		rgb_size[2] = 5;
-		break;
-            default:
-		rgb_size[0] = 8;
-		rgb_size[1] = 8;
-		rgb_size[2] = 8;
-		break;
-	}
-	SDL_GL_SetAttribute( SDL_GL_RED_SIZE, rgb_size[0] );
-	SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, rgb_size[1] );
-	SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, rgb_size[2] );
-	SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16 );
-	SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
-	if ( fsaa ) {
-		SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, 1 );
-		SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, fsaa );
-	}
-	if ( accel ) {
-		SDL_GL_SetAttribute( SDL_GL_ACCELERATED_VISUAL, 1 );
-	}
-	if ( sync ) {
-		SDL_GL_SetAttribute( SDL_GL_SWAP_CONTROL, 1 );
-	} else {
-		SDL_GL_SetAttribute( SDL_GL_SWAP_CONTROL, 0 );
-	}
-	if ( SDL_SetVideoMode( w, h, bpp, video_flags ) == NULL ) {
-		fprintf(stderr, "Couldn't set GL mode: %s\n", SDL_GetError());
-		SDL_Quit();
-		exit(1);
-	}
+        SDL_GL_SwapBuffers ();
 
-	printf("Screen BPP: %d\n", SDL_GetVideoSurface()->format->BitsPerPixel);
-	printf("\n");
-	printf( "Vendor     : %s\n", glGetString( GL_VENDOR ) );
-	printf( "Renderer   : %s\n", glGetString( GL_RENDERER ) );
-	printf( "Version    : %s\n", glGetString( GL_VERSION ) );
-	printf( "Extensions : %s\n", glGetString( GL_EXTENSIONS ) );
-	printf("\n");
+        /* Check for error conditions. */
+        gl_error = glGetError ();
+
+        if (gl_error != GL_NO_ERROR) {
+            fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
+        }
 
-	SDL_GL_GetAttribute( SDL_GL_RED_SIZE, &value );
-	printf( "SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0],value);
-	SDL_GL_GetAttribute( SDL_GL_GREEN_SIZE, &value );
-	printf( "SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1],value);
-	SDL_GL_GetAttribute( SDL_GL_BLUE_SIZE, &value );
-	printf( "SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2],value);
-	SDL_GL_GetAttribute( SDL_GL_DEPTH_SIZE, &value );
-	printf( "SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value );
-	SDL_GL_GetAttribute( SDL_GL_DOUBLEBUFFER, &value );
-	printf( "SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value );
-	if ( fsaa ) {
-		SDL_GL_GetAttribute( SDL_GL_MULTISAMPLEBUFFERS, &value );
-		printf("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value );
-		SDL_GL_GetAttribute( SDL_GL_MULTISAMPLESAMPLES, &value );
-		printf("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa, value );
-	}
-	if ( accel ) {
-		SDL_GL_GetAttribute( SDL_GL_ACCELERATED_VISUAL, &value );
-		printf( "SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value );
-	}
-	if ( sync ) {
-		SDL_GL_GetAttribute( SDL_GL_SWAP_CONTROL, &value );
-		printf( "SDL_GL_SWAP_CONTROL: requested 1, got %d\n", value );
-	}
-
-	/* Set the window manager title bar */
-	SDL_WM_SetCaption( "SDL GL test", "testgl" );
+        sdl_error = SDL_GetError ();
 
-	/* Set the gamma for the window */
-	if ( gamma != 0.0 ) {
-		SDL_SetGamma(gamma, gamma, gamma);
-	}
-
-	glViewport( 0, 0, w, h );
-	glMatrixMode( GL_PROJECTION );
-	glLoadIdentity( );
-
-	glOrtho( -2.0, 2.0, -2.0, 2.0, -20.0, 20.0 );
-
-	glMatrixMode( GL_MODELVIEW );
-	glLoadIdentity( );
-
-	glEnable(GL_DEPTH_TEST);
+        if (sdl_error[0] != '\0') {
+            fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
+            SDL_ClearError ();
+        }
 
-	glDepthFunc(GL_LESS);
-
-	glShadeModel(GL_SMOOTH);
-
-	/* Loop until done. */
-	start_time = SDL_GetTicks();
-	frames = 0;
-	while( !done ) {
-		GLenum gl_error;
-		char* sdl_error;
-		SDL_Event event;
-
-		/* Do our drawing, too. */
-		glClearColor( 0.0, 0.0, 0.0, 1.0 );
-		glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-		glBegin( GL_QUADS );
+        /* Allow the user to see what's happening */
+        if (slowly) {
+            SDL_Delay (20);
+        }
 
-#ifdef SHADED_CUBE
-			glColor3fv(color[0]);
-			glVertex3fv(cube[0]);
-			glColor3fv(color[1]);
-			glVertex3fv(cube[1]);
-			glColor3fv(color[2]);
-			glVertex3fv(cube[2]);
-			glColor3fv(color[3]);
-			glVertex3fv(cube[3]);
-			
-			glColor3fv(color[3]);
-			glVertex3fv(cube[3]);
-			glColor3fv(color[4]);
-			glVertex3fv(cube[4]);
-			glColor3fv(color[7]);
-			glVertex3fv(cube[7]);
-			glColor3fv(color[2]);
-			glVertex3fv(cube[2]);
-			
-			glColor3fv(color[0]);
-			glVertex3fv(cube[0]);
-			glColor3fv(color[5]);
-			glVertex3fv(cube[5]);
-			glColor3fv(color[6]);
-			glVertex3fv(cube[6]);
-			glColor3fv(color[1]);
-			glVertex3fv(cube[1]);
-			
-			glColor3fv(color[5]);
-			glVertex3fv(cube[5]);
-			glColor3fv(color[4]);
-			glVertex3fv(cube[4]);
-			glColor3fv(color[7]);
-			glVertex3fv(cube[7]);
-			glColor3fv(color[6]);
-			glVertex3fv(cube[6]);
+        /* Check if there's a pending event. */
+        while (SDL_PollEvent (&event)) {
+            done = HandleEvent (&event);
+        }
+        ++frames;
+    }
 
-			glColor3fv(color[5]);
-			glVertex3fv(cube[5]);
-			glColor3fv(color[0]);
-			glVertex3fv(cube[0]);
-			glColor3fv(color[3]);
-			glVertex3fv(cube[3]);
-			glColor3fv(color[4]);
-			glVertex3fv(cube[4]);
+    /* Print out the frames per second */
+    this_time = SDL_GetTicks ();
+    if (this_time != start_time) {
+        printf ("%2.2f FPS\n",
+                ((float) frames / (this_time - start_time)) * 1000.0);
+    }
 
-			glColor3fv(color[6]);
-			glVertex3fv(cube[6]);
-			glColor3fv(color[1]);
-			glVertex3fv(cube[1]);
-			glColor3fv(color[2]);
-			glVertex3fv(cube[2]);
-			glColor3fv(color[7]);
-			glVertex3fv(cube[7]);
-#else /* flat cube */
-			glColor3f(1.0, 0.0, 0.0);
-			glVertex3fv(cube[0]);
-			glVertex3fv(cube[1]);
-			glVertex3fv(cube[2]);
-			glVertex3fv(cube[3]);
-			
-			glColor3f(0.0, 1.0, 0.0);
-			glVertex3fv(cube[3]);
-			glVertex3fv(cube[4]);
-			glVertex3fv(cube[7]);
-			glVertex3fv(cube[2]);
-			
-			glColor3f(0.0, 0.0, 1.0);
-			glVertex3fv(cube[0]);
-			glVertex3fv(cube[5]);
-			glVertex3fv(cube[6]);
-			glVertex3fv(cube[1]);
-			
-			glColor3f(0.0, 1.0, 1.0);
-			glVertex3fv(cube[5]);
-			glVertex3fv(cube[4]);
-			glVertex3fv(cube[7]);
-			glVertex3fv(cube[6]);
-
-			glColor3f(1.0, 1.0, 0.0);
-			glVertex3fv(cube[5]);
-			glVertex3fv(cube[0]);
-			glVertex3fv(cube[3]);
-			glVertex3fv(cube[4]);
-
-			glColor3f(1.0, 0.0, 1.0);
-			glVertex3fv(cube[6]);
-			glVertex3fv(cube[1]);
-			glVertex3fv(cube[2]);
-			glVertex3fv(cube[7]);
-#endif /* SHADED_CUBE */
-
-		glEnd( );
-		
-		glMatrixMode(GL_MODELVIEW);
-		glRotatef(5.0, 1.0, 1.0, 1.0);
+    if (global_image) {
+        SDL_FreeSurface (global_image);
+        global_image = NULL;
+    }
+    if (global_texture) {
+        glDeleteTextures (1, &global_texture);
+        global_texture = 0;
+    }
+    if (cursor_texture) {
+        glDeleteTextures (1, &cursor_texture);
+        cursor_texture = 0;
+    }
 
-		/* Draw 2D logo onto the 3D display */
-		if ( logo ) {
-			DrawLogoTexture();
-		}
-		if ( logocursor ) {
-			DrawLogoCursor();
-		}
-
-		SDL_GL_SwapBuffers( );
-
-		/* Check for error conditions. */
-		gl_error = glGetError( );
-
-		if( gl_error != GL_NO_ERROR ) {
-			fprintf( stderr, "testgl: OpenGL error: %d\n", gl_error );
-		}
-
-		sdl_error = SDL_GetError( );
-
-		if( sdl_error[0] != '\0' ) {
-			fprintf(stderr, "testgl: SDL error '%s'\n", sdl_error);
-			SDL_ClearError();
-		}
-
-		/* Allow the user to see what's happening */
-		if ( slowly ) {
-			SDL_Delay( 20 );
-		}
-
-		/* Check if there's a pending event. */
-		while( SDL_PollEvent( &event ) ) {
-			done = HandleEvent(&event);
-		}
-		++frames;
-	}
-
-	/* Print out the frames per second */
-	this_time = SDL_GetTicks();
-	if ( this_time != start_time ) {
-		printf("%2.2f FPS\n",
-			((float)frames/(this_time-start_time))*1000.0);
-	}
-
-	if ( global_image ) {
-	   	SDL_FreeSurface(global_image);
-		global_image = NULL;
-	}
-	if ( global_texture ) {
-		glDeleteTextures( 1, &global_texture );
-		global_texture = 0;
-	}
-	if ( cursor_texture ) {
-		glDeleteTextures( 1, &cursor_texture );
-		cursor_texture = 0;
-	}
-
-	/* Destroy our GL context, etc. */
-	SDL_Quit( );
-	return(0);
+    /* Destroy our GL context, etc. */
+    SDL_Quit ();
+    return (0);
 }
 
-int main(int argc, char *argv[])
+int
+main (int argc, char *argv[])
 {
-	int i, logo, logocursor = 0;
-	int numtests;
-	int bpp = 0;
-	int slowly;
-	float gamma = 0.0;
-	int noframe = 0;
-	int fsaa = 0;
-	int accel = 0;
-	int sync = 0;
+    int i, logo, logocursor = 0;
+    int numtests;
+    int bpp = 0;
+    int slowly;
+    float gamma = 0.0;
+    int noframe = 0;
+    int fsaa = 0;
+    int accel = 0;
+    int sync = 0;
 
-	logo = 0;
-	slowly = 0;
-	numtests = 1;
-	for ( i=1; argv[i]; ++i ) {
-		if ( strcmp(argv[i], "-twice") == 0 ) {
-			++numtests;
-		}
-		if ( strcmp(argv[i], "-logo") == 0 ) {
-			logo = 1;
-		}
-		if ( strcmp(argv[i], "-logocursor") == 0 ) {
-			logocursor = 1;
-		}
-		if ( strcmp(argv[i], "-slow") == 0 ) {
-			slowly = 1;
-		}
-		if ( strcmp(argv[i], "-bpp") == 0 ) {
- 		       bpp = atoi(argv[++i]);
-		}
-		if ( strcmp(argv[i], "-gamma") == 0 ) {
- 		       gamma = (float)atof(argv[++i]);
-		}
-		if ( strcmp(argv[i], "-noframe") == 0 ) {
- 		       noframe = 1;
-		}
-		if ( strcmp(argv[i], "-fsaa") == 0 ) {
- 		       ++fsaa;
-		}
-		if ( strcmp(argv[i], "-accel") == 0 ) {
- 		       ++accel;
-		}
-		if ( strcmp(argv[i], "-sync") == 0 ) {
- 		       ++sync;
-		}
-		if ( strncmp(argv[i], "-h", 2) == 0 ) {
- 		       printf(
-"Usage: %s [-twice] [-logo] [-logocursor] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa] [-fullscreen]\n",
- 			      argv[0]);
-			exit(0);
-		}
-	}
-	for ( i=0; i<numtests; ++i ) {
- 		RunGLTest(argc, argv, logo, logocursor, slowly, bpp, gamma, noframe, fsaa, sync, accel);
-	}
-	return 0;
+    logo = 0;
+    slowly = 0;
+    numtests = 1;
+    for (i = 1; argv[i]; ++i) {
+        if (strcmp (argv[i], "-twice") == 0) {
+            ++numtests;
+        }
+        if (strcmp (argv[i], "-logo") == 0) {
+            logo = 1;
+        }
+        if (strcmp (argv[i], "-logocursor") == 0) {
+            logocursor = 1;
+        }
+        if (strcmp (argv[i], "-slow") == 0) {
+            slowly = 1;
+        }
+        if (strcmp (argv[i], "-bpp") == 0) {
+            bpp = atoi (argv[++i]);
+        }
+        if (strcmp (argv[i], "-gamma") == 0) {
+            gamma = (float) atof (argv[++i]);
+        }
+        if (strcmp (argv[i], "-noframe") == 0) {
+            noframe = 1;
+        }
+        if (strcmp (argv[i], "-fsaa") == 0) {
+            ++fsaa;
+        }
+        if (strcmp (argv[i], "-accel") == 0) {
+            ++accel;
+        }
+        if (strcmp (argv[i], "-sync") == 0) {
+            ++sync;
+        }
+        if (strncmp (argv[i], "-h", 2) == 0) {
+            printf
+                ("Usage: %s [-twice] [-logo] [-logocursor] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa] [-fullscreen]\n",
+                 argv[0]);
+            exit (0);
+        }
+    }
+    for (i = 0; i < numtests; ++i) {
+        RunGLTest (argc, argv, logo, logocursor, slowly, bpp, gamma,
+                   noframe, fsaa, sync, accel);
+    }
+    return 0;
 }
 
 #else /* HAVE_OPENGL */
 
-int main(int argc, char *argv[])
+int
+main (int argc, char *argv[])
 {
-	printf("No OpenGL support on this system\n");
-	return 1;
+    printf ("No OpenGL support on this system\n");
+    return 1;
 }
 
 #endif /* HAVE_OPENGL */