view XCodeiPhoneOS/Demos/src/common.c @ 2843:e919f2e3700d

Fixed the shader fragment problems using 2 byte YUV data in a 4 byte RGB texture. This is a total hack though. Maybe we should be using a different texture format?
author Sam Lantinga <slouken@libsdl.org>
date Sat, 06 Dec 2008 18:22:28 +0000
parents f55c87ae336b
children
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/*
 *	common.c
 *	written by Holmes Futrell
 *	use however you want
 */

#include "common.h"
#include "SDL.h"
#include <stdlib.h>

/*
	Produces a random int x, min <= x <= max 
	following a uniform distribution
*/
int
randomInt(int min, int max)
{
    return min + rand() % (max - min + 1);
}

/*
	Produces a random float x, min <= x <= max 
	following a uniform distribution
 */
float
randomFloat(float min, float max)
{
    return rand() / (float) RAND_MAX *(max - min) + min;
}

void
fatalError(const char *string)
{
    printf("%s: %s\n", string, SDL_GetError());
    exit(1);
}