You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
252 lines
9.6 KiB
252 lines
9.6 KiB
/*
|
|
* Copyright (C) 2008 The Android Open Source Project
|
|
* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
|
|
*
|
|
* 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_PRIV_H_
|
|
#define GRALLOC_PRIV_H_
|
|
|
|
#include <stdint.h>
|
|
#include <limits.h>
|
|
#include <sys/cdefs.h>
|
|
#include <hardware/gralloc.h>
|
|
#include <pthread.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
|
|
#include <cutils/native_handle.h>
|
|
|
|
#include <cutils/log.h>
|
|
|
|
#define ROUND_UP_PAGESIZE(x) ( (((unsigned long)(x)) + PAGE_SIZE-1) & \
|
|
(~(PAGE_SIZE-1)) )
|
|
|
|
enum {
|
|
/* gralloc usage bits indicating the type
|
|
* of allocation that should be used */
|
|
|
|
/* SYSTEM heap comes from kernel vmalloc,
|
|
* can never be uncached, is not secured*/
|
|
GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP = GRALLOC_USAGE_PRIVATE_0,
|
|
/* SF heap is used for application buffers, is not secured */
|
|
GRALLOC_USAGE_PRIVATE_UI_CONTIG_HEAP = GRALLOC_USAGE_PRIVATE_1,
|
|
/* IOMMU heap comes from manually allocated pages,
|
|
* can be cached/uncached, is not secured */
|
|
GRALLOC_USAGE_PRIVATE_IOMMU_HEAP = GRALLOC_USAGE_PRIVATE_2,
|
|
/* MM heap is a carveout heap for video, can be secured*/
|
|
GRALLOC_USAGE_PRIVATE_MM_HEAP = GRALLOC_USAGE_PRIVATE_3,
|
|
/* CAMERA heap is a carveout heap for camera, is not secured*/
|
|
GRALLOC_USAGE_PRIVATE_CAMERA_HEAP = 0x01000000,
|
|
|
|
/* Set this for allocating uncached memory (using O_DSYNC)
|
|
* cannot be used with noncontiguous heaps */
|
|
GRALLOC_USAGE_PRIVATE_UNCACHED = 0x02000000,
|
|
|
|
/* Buffer content should be displayed on an external display only */
|
|
GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY = 0x08000000,
|
|
|
|
/* Only this buffer content should be displayed on external, even if
|
|
* other EXTERNAL_ONLY buffers are available. Used during suspend.
|
|
*/
|
|
GRALLOC_USAGE_PRIVATE_EXTERNAL_BLOCK = 0x00100000,
|
|
|
|
/* Close Caption displayed on an external display only */
|
|
GRALLOC_USAGE_PRIVATE_EXTERNAL_CC = 0x00200000,
|
|
|
|
/* Use this flag to request content protected buffers. Please note
|
|
* that this flag is different from the GRALLOC_USAGE_PROTECTED flag
|
|
* which can be used for buffers that are not secured for DRM
|
|
* but still need to be protected from screen captures
|
|
*/
|
|
GRALLOC_USAGE_PRIVATE_CP_BUFFER = 0x00400000,
|
|
};
|
|
|
|
enum {
|
|
/* Gralloc perform enums
|
|
*/
|
|
GRALLOC_MODULE_PERFORM_CREATE_HANDLE_FROM_BUFFER = 1,
|
|
GRALLOC_MODULE_PERFORM_GET_STRIDE,
|
|
GRALLOC_MODULE_PERFORM_GET_CUSTOM_STRIDE_FROM_HANDLE,
|
|
};
|
|
|
|
#define GRALLOC_HEAP_MASK (GRALLOC_USAGE_PRIVATE_UI_CONTIG_HEAP |\
|
|
GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP |\
|
|
GRALLOC_USAGE_PRIVATE_IOMMU_HEAP |\
|
|
GRALLOC_USAGE_PRIVATE_MM_HEAP |\
|
|
GRALLOC_USAGE_PRIVATE_CAMERA_HEAP)
|
|
|
|
#define INTERLACE_MASK 0x80
|
|
#define S3D_FORMAT_MASK 0xFF000
|
|
/*****************************************************************************/
|
|
enum {
|
|
/* OEM specific HAL formats */
|
|
HAL_PIXEL_FORMAT_NV12 = 0x15, /*OMX_COLOR_FormatYUV420SemiPlanar*/
|
|
HAL_PIXEL_FORMAT_NV12_ENCODEABLE = 0x102,
|
|
HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS = 0x7FA30C04,
|
|
HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED = 0x7FA30C03,
|
|
HAL_PIXEL_FORMAT_YCbCr_420_SP = 0x109,
|
|
HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO = 0x7FA30C01,
|
|
HAL_PIXEL_FORMAT_YCrCb_422_SP = 0x10B,
|
|
HAL_PIXEL_FORMAT_R_8 = 0x10D,
|
|
HAL_PIXEL_FORMAT_RG_88 = 0x10E,
|
|
HAL_PIXEL_FORMAT_YCbCr_444_SP = 0x10F,
|
|
HAL_PIXEL_FORMAT_YCrCb_444_SP = 0x110,
|
|
HAL_PIXEL_FORMAT_INTERLACE = 0x180,
|
|
|
|
};
|
|
|
|
/* possible formats for 3D content*/
|
|
enum {
|
|
HAL_NO_3D = 0x0000,
|
|
HAL_3D_IN_SIDE_BY_SIDE_L_R = 0x10000,
|
|
HAL_3D_IN_TOP_BOTTOM = 0x20000,
|
|
HAL_3D_IN_INTERLEAVE = 0x40000,
|
|
HAL_3D_IN_SIDE_BY_SIDE_R_L = 0x80000,
|
|
HAL_3D_OUT_SIDE_BY_SIDE = 0x1000,
|
|
HAL_3D_OUT_TOP_BOTTOM = 0x2000,
|
|
HAL_3D_OUT_INTERLEAVE = 0x4000,
|
|
HAL_3D_OUT_MONOSCOPIC = 0x8000
|
|
};
|
|
|
|
enum {
|
|
BUFFER_TYPE_UI = 0,
|
|
BUFFER_TYPE_VIDEO
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
|
|
#ifdef __cplusplus
|
|
struct private_handle_t : public native_handle {
|
|
#else
|
|
struct private_handle_t {
|
|
native_handle_t nativeHandle;
|
|
#endif
|
|
enum {
|
|
PRIV_FLAGS_FRAMEBUFFER = 0x00000001,
|
|
PRIV_FLAGS_USES_PMEM = 0x00000002,
|
|
PRIV_FLAGS_USES_PMEM_ADSP = 0x00000004,
|
|
PRIV_FLAGS_USES_ION = 0x00000008,
|
|
PRIV_FLAGS_USES_ASHMEM = 0x00000010,
|
|
PRIV_FLAGS_NEEDS_FLUSH = 0x00000020,
|
|
PRIV_FLAGS_DO_NOT_FLUSH = 0x00000040,
|
|
PRIV_FLAGS_SW_LOCK = 0x00000080,
|
|
PRIV_FLAGS_NONCONTIGUOUS_MEM = 0x00000100,
|
|
// Set by HWC when storing the handle
|
|
PRIV_FLAGS_HWC_LOCK = 0x00000200,
|
|
PRIV_FLAGS_SECURE_BUFFER = 0x00000400,
|
|
// For explicit synchronization
|
|
PRIV_FLAGS_UNSYNCHRONIZED = 0x00000800,
|
|
// Not mapped in userspace
|
|
PRIV_FLAGS_NOT_MAPPED = 0x00001000,
|
|
// Display on external only
|
|
PRIV_FLAGS_EXTERNAL_ONLY = 0x00002000,
|
|
// Display only this buffer on external
|
|
PRIV_FLAGS_EXTERNAL_BLOCK = 0x00004000,
|
|
// Display this buffer on external as close caption
|
|
PRIV_FLAGS_EXTERNAL_CC = 0x00008000,
|
|
PRIV_FLAGS_VIDEO_ENCODER = 0x00010000,
|
|
PRIV_FLAGS_CAMERA_WRITE = 0x00020000,
|
|
PRIV_FLAGS_CAMERA_READ = 0x00040000,
|
|
PRIV_FLAGS_HW_COMPOSER = 0x00080000,
|
|
PRIV_FLAGS_HW_TEXTURE = 0x00100000,
|
|
PRIV_FLAGS_ITU_R_601 = 0x00200000,
|
|
PRIV_FLAGS_ITU_R_601_FR = 0x00400000,
|
|
PRIV_FLAGS_ITU_R_709 = 0x00800000,
|
|
};
|
|
|
|
// file-descriptors
|
|
int fd;
|
|
int fd_metadata; // fd for the meta-data
|
|
// ints
|
|
int magic;
|
|
int flags;
|
|
int size;
|
|
int offset;
|
|
int bufferType;
|
|
int base;
|
|
int offset_metadata;
|
|
// The gpu address mapped into the mmu.
|
|
int gpuaddr;
|
|
int format;
|
|
int width;
|
|
int height;
|
|
int base_metadata;
|
|
|
|
#ifdef __cplusplus
|
|
static const int sNumInts = 12;
|
|
static const int sNumFds = 2;
|
|
static const int sMagic = 'gmsm';
|
|
|
|
private_handle_t(int fd, int size, int flags, int bufferType,
|
|
int format,int width, int height, int eFd = -1,
|
|
int eOffset = 0, int eBase = 0) :
|
|
fd(fd), fd_metadata(eFd), magic(sMagic),
|
|
flags(flags), size(size), offset(0), bufferType(bufferType),
|
|
base(0), offset_metadata(eOffset), gpuaddr(0),
|
|
format(format), width(width), height(height),
|
|
base_metadata(eBase)
|
|
{
|
|
version = sizeof(native_handle);
|
|
numInts = sNumInts;
|
|
numFds = sNumFds;
|
|
}
|
|
~private_handle_t() {
|
|
magic = 0;
|
|
}
|
|
|
|
bool usesPhysicallyContiguousMemory() {
|
|
return (flags & PRIV_FLAGS_USES_PMEM) != 0;
|
|
}
|
|
|
|
static int validate(const native_handle* h) {
|
|
const private_handle_t* hnd = (const private_handle_t*)h;
|
|
if (!h || h->version != sizeof(native_handle) ||
|
|
h->numInts != sNumInts || h->numFds != sNumFds ||
|
|
hnd->magic != sMagic)
|
|
{
|
|
ALOGD("Invalid gralloc handle (at %p): "
|
|
"ver(%d/%d) ints(%d/%d) fds(%d/%d) magic(%c%c%c%c/%c%c%c%c)",
|
|
h,
|
|
h ? h->version : -1, sizeof(native_handle),
|
|
h ? h->numInts : -1, sNumInts,
|
|
h ? h->numFds : -1, sNumFds,
|
|
hnd ? (((hnd->magic >> 24) & 0xFF)?
|
|
((hnd->magic >> 24) & 0xFF) : '-') : '?',
|
|
hnd ? (((hnd->magic >> 16) & 0xFF)?
|
|
((hnd->magic >> 16) & 0xFF) : '-') : '?',
|
|
hnd ? (((hnd->magic >> 8) & 0xFF)?
|
|
((hnd->magic >> 8) & 0xFF) : '-') : '?',
|
|
hnd ? (((hnd->magic >> 0) & 0xFF)?
|
|
((hnd->magic >> 0) & 0xFF) : '-') : '?',
|
|
(sMagic >> 24) & 0xFF,
|
|
(sMagic >> 16) & 0xFF,
|
|
(sMagic >> 8) & 0xFF,
|
|
(sMagic >> 0) & 0xFF);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static private_handle_t* dynamicCast(const native_handle* in) {
|
|
if (validate(in) == 0) {
|
|
return (private_handle_t*) in;
|
|
}
|
|
return NULL;
|
|
}
|
|
#endif
|
|
};
|
|
|
|
#endif /* GRALLOC_PRIV_H_ */
|