gralloc4/src/gralloc_helper.h

/*
 * Copyright (C) 2010-2020 ARM Limited. All rights reserved.
 *
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef GRALLOC_HELPER_H_
#define GRALLOC_HELPER_H_

#include <unistd.h>
#include <sys/mman.h>
#include <sys/user.h>

#include "mali_gralloc_log.h"

#define GRALLOC_ALIGN(value, base) ((((value) + (base) -1) / (base)) * (base))

#define GRALLOC_MAX(a, b) (((a)>(b))?(a):(b))

#define GRALLOC_UNUSED(x) ((void)x)

static inline size_t round_up_to_page_size(size_t x)
{
	return (x + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
}

static inline bool is_all_bitmask_set(uint32_t value, uint32_t mask)
{
        return ((value & mask) == mask);
}

static inline bool is_all_bitmask_set_64(uint64_t value, uint64_t mask)
{
        return ((value & mask) == mask);
}

static inline bool is_bit_set(uint32_t value, uint32_t pos)
{
        uint32_t mask = (0x1 << pos);
        return is_all_bitmask_set(value, mask);
}

inline bool is_any_bitmask_set(uint32_t value, uint32_t mask)
{
        return ((value & mask) != 0);
}

inline bool is_any_bitmask_set_64(uint64_t value, uint64_t mask)
{
        return ((value & mask) != 0);
}

inline void set_bitmask(uint32_t *value, uint32_t mask)
{
        *value |= mask;
}

inline void clear_bitmask(uint32_t *value, uint32_t mask)
{
        *value &= (~mask);
}

#endif /* GRALLOC_HELPER_H_ */