/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_gfx_layers_mlgpu_UtilityMLGPU_h
#define mozilla_gfx_layers_mlgpu_UtilityMLGPU_h

#include "mozilla/Assertions.h"
#include "mozilla/MathAlgorithms.h"

namespace mozilla {
namespace layers {

template <size_t T> struct AlignUp
{
  static inline size_t calc(size_t aAmount) {
    MOZ_ASSERT(IsPowerOfTwo(T), "alignment must be a power of two");
    return aAmount + ((T - (aAmount % T)) % T);
  }
};

template <> struct AlignUp<0>
{
  static inline size_t calc(size_t aAmount) {
    return aAmount;
  }
};

} // namespace layers
} // namespace mozilla

#ifdef ENABLE_AL_LOGGING
#  define AL_LOG(...) printf_stderr("AL: " __VA_ARGS__)
#  define AL_LOG_IF(cond, ...) do { if (cond) { printf_stderr("AL: " __VA_ARGS__); } } while(0)
#else
#  define AL_LOG(...)
#  define AL_LOG_IF(...)
#endif

#endif // mozilla_gfx_layers_mlgpu_UtilityMLGPU_h