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/*
* Copyright (c) 2011-2016, The Linux Foundation. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __GR_UTILS_H__
#define __GR_UTILS_H__
#include "gralloc_priv.h"
#define SZ_2M 0x200000
#define SZ_1M 0x100000
#define SZ_4K 0x1000
#define SIZE_4K 4096
#define SIZE_8K 4096
#define INT(exp) static_cast<int>(exp)
#define UINT(exp) static_cast<unsigned int>(exp)
namespace gralloc1 {
struct BufferInfo {
BufferInfo(int w, int h, int f, gralloc1_producer_usage_t prod = GRALLOC1_PRODUCER_USAGE_NONE,
gralloc1_consumer_usage_t cons = GRALLOC1_CONSUMER_USAGE_NONE) : width(w), height(h),
format(f), prod_usage(prod), cons_usage(cons) {}
int width;
int height;
int format;
gralloc1_producer_usage_t prod_usage;
gralloc1_consumer_usage_t cons_usage;
};
template <class Type1, class Type2>
inline Type1 ALIGN(Type1 x, Type2 align) {
return (Type1)((x + (Type1)align - 1) & ~((Type1)align - 1));
}
bool IsCompressedRGBFormat(int format);
bool IsUncompressedRGBFormat(int format);
uint32_t GetBppForUncompressedRGB(int format);
bool CpuCanAccess(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage);
bool CpuCanRead(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage);
bool CpuCanWrite(gralloc1_producer_usage_t prod_usage);
unsigned int GetSize(const BufferInfo &d, unsigned int alignedw, unsigned int alignedh);
void GetBufferSizeAndDimensions(const BufferInfo &d, unsigned int *size,
unsigned int *alignedw, unsigned int *alignedh);
void GetAlignedWidthAndHeight(const BufferInfo &d, unsigned int *aligned_w,
unsigned int *aligned_h);
int GetYUVPlaneInfo(const private_handle_t *hnd, struct android_ycbcr *ycbcr);
int GetRgbDataAddress(private_handle_t *hnd, void **rgb_data);
bool IsUBwcFormat(int format);
bool IsUBwcSupported(int format);
bool IsUBwcEnabled(int format, gralloc1_producer_usage_t prod_usage,
gralloc1_consumer_usage_t cons_usage);
void GetYuvUBwcWidthAndHeight(int width, int height, int format, unsigned int *aligned_w,
unsigned int *aligned_h);
void GetYuvSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, uint32_t bpp,
struct android_ycbcr *ycbcr);
void GetYuvUbwcSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height, int color_format,
struct android_ycbcr *ycbcr);
void GetYuvUbwcInterlacedSPPlaneInfo(uint64_t base, uint32_t width, uint32_t height,
int color_format, struct android_ycbcr *ycbcr);
void GetRgbUBwcBlockSize(uint32_t bpp, int *block_width, int *block_height);
unsigned int GetRgbUBwcMetaBufferSize(int width, int height, uint32_t bpp);
unsigned int GetUBwcSize(int width, int height, int format, unsigned int alignedw,
unsigned int alignedh);
int GetBufferLayout(private_handle_t *hnd, uint32_t stride[4],
uint32_t offset[4], uint32_t *num_planes);
} // namespace gralloc1
#endif // __GR_UTILS_H__
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