gralloc/format_chooser.h

/*
 * Copyright (C) 2014 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 FORMAT_CHOOSER_H_
#define FORMAT_CHOOSER_H_

#include <hardware/hardware.h>


#define GRALLOC_ARM_INTFMT_EXTENSION_BIT_START     32

/* This format will be use AFBC */
#define	    GRALLOC_ARM_INTFMT_AFBC                 (1ULL << (GRALLOC_ARM_INTFMT_EXTENSION_BIT_START+0))

/* This format uses AFBC split block mode */
#define	    GRALLOC_ARM_INTFMT_AFBC_SPLITBLK        (1ULL << (GRALLOC_ARM_INTFMT_EXTENSION_BIT_START+1))

/* Internal format masks */
#define	    GRALLOC_ARM_INTFMT_FMT_MASK             0x00000000ffffffffULL
#define	    GRALLOC_ARM_INTFMT_EXT_MASK             0xffffffff00000000ULL

int check_for_compression(int w, int h, int format, int usage);
uint64_t gralloc_select_format(int req_format, int usage, int is_compressible);

#endif /* FORMAT_CHOOSER_H_ */