CameraUtil.h

/*
 * Copyright (c) 2010-2011 Qualcomm Technologies Incorporated.
 * All Rights Reserved 
 * Qualcomm Technologies Confidential and Proprietary
 * 
 * 
 * @file Defines Camera Util class
 *
 */


#ifndef __CAMERA_UTIL_HEADERFILE__
#define __CAMERA_UTIL_HEADERFILE__

#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>

#include <stdint.h>
#include <time.h>

#include "FPSCounter.h"

class CameraUtil
{

   #define ALIGN_TO(value, alignment) (((value) + ((alignment)-1)) & (~((alignment)-1)))

public:

   static inline uint64_t GetCurrentTimeus() 
   { 
      struct timeval tv;
      struct timezone tz;
   
      gettimeofday(&tv, &tz);
   
      return tv.tv_sec * 1000000 + tv.tv_usec;
   }

   static GLuint CompileAndLinkShaderProgram
   (
      const char* vShaderStr, 
      const char* fShaderStr
   );

   static bool LoadShader( GLenum type, const char *shaderSrc, GLuint& shader );

   
   static bool checkGlError(const char* op);

}; // class CameraUtil
#endif //#ifndef __CAMERA_UTIL_HEADERFILE__