317 lines
8.4 KiB
C++
317 lines
8.4 KiB
C++
/*
|
|
* Copyright (C) 2008 The Android Open Source Project
|
|
* Copyright (c) 2010, Code Aurora Forum. 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 <linux/fb.h>
|
|
|
|
#if defined(__cplusplus) && defined(HDMI_DUAL_DISPLAY)
|
|
#include "overlayLib.h"
|
|
using namespace overlay;
|
|
#endif
|
|
|
|
enum {
|
|
/* gralloc usage bit indicating a pmem_adsp allocation should be used */
|
|
GRALLOC_USAGE_PRIVATE_PMEM_ADSP = GRALLOC_USAGE_PRIVATE_0,
|
|
GRALLOC_USAGE_PRIVATE_PMEM = GRALLOC_USAGE_PRIVATE_1,
|
|
};
|
|
|
|
/* numbers of max buffers for page flipping */
|
|
#define NUM_FRAMEBUFFERS_MIN 2
|
|
#define NUM_FRAMEBUFFERS_MAX 3
|
|
|
|
/* number of default bufers for page flipping */
|
|
#define NUM_DEF_FRAME_BUFFERS 2
|
|
#define NO_SURFACEFLINGER_SWAPINTERVAL
|
|
#define INTERLACE_MASK 0x80
|
|
/*****************************************************************************/
|
|
#ifdef __cplusplus
|
|
template <class T>
|
|
struct Node
|
|
{
|
|
T data;
|
|
Node<T> *next;
|
|
};
|
|
|
|
template <class T>
|
|
class Queue
|
|
{
|
|
public:
|
|
Queue(): front(NULL), back(NULL), len(0) {dummy = new T;}
|
|
~Queue()
|
|
{
|
|
clear();
|
|
delete dummy;
|
|
}
|
|
void push(const T& item) //add an item to the back of the queue
|
|
{
|
|
if(len != 0) { //if the queue is not empty
|
|
back->next = new Node<T>; //create a new node
|
|
back = back->next; //set the new node as the back node
|
|
back->data = item;
|
|
back->next = NULL;
|
|
} else {
|
|
back = new Node<T>;
|
|
back->data = item;
|
|
back->next = NULL;
|
|
front = back;
|
|
}
|
|
len++;
|
|
}
|
|
void pop() //remove the first item from the queue
|
|
{
|
|
if (isEmpty())
|
|
return; //if the queue is empty, no node to dequeue
|
|
T item = front->data;
|
|
Node<T> *tmp = front;
|
|
front = front->next;
|
|
delete tmp;
|
|
if(front == NULL) //if the queue is empty, update the back pointer
|
|
back = NULL;
|
|
len--;
|
|
return;
|
|
}
|
|
T& getHeadValue() const //return the value of the first item in the queue
|
|
{ //without modification to the structure
|
|
if (isEmpty()) {
|
|
LOGE("Error can't get head of empty queue");
|
|
return *dummy;
|
|
}
|
|
return front->data;
|
|
}
|
|
|
|
bool isEmpty() const //returns true if no elements are in the queue
|
|
{
|
|
return (front == NULL);
|
|
}
|
|
|
|
size_t size() const //returns the amount of elements in the queue
|
|
{
|
|
return len;
|
|
}
|
|
|
|
private:
|
|
Node<T> *front;
|
|
Node<T> *back;
|
|
size_t len;
|
|
void clear()
|
|
{
|
|
while (!isEmpty())
|
|
pop();
|
|
}
|
|
T *dummy;
|
|
};
|
|
#endif
|
|
|
|
enum {
|
|
/* OEM specific HAL formats */
|
|
//HAL_PIXEL_FORMAT_YCbCr_422_SP = 0x100, // defined in hardware.h
|
|
//HAL_PIXEL_FORMAT_YCrCb_420_SP = 0x101, // defined in hardware.h
|
|
HAL_PIXEL_FORMAT_YCbCr_422_P = 0x102,
|
|
HAL_PIXEL_FORMAT_YCbCr_420_P = 0x103,
|
|
//HAL_PIXEL_FORMAT_YCbCr_422_I = 0x104, // defined in hardware.h
|
|
HAL_PIXEL_FORMAT_YCbCr_420_I = 0x105,
|
|
HAL_PIXEL_FORMAT_CbYCrY_422_I = 0x106,
|
|
HAL_PIXEL_FORMAT_CbYCrY_420_I = 0x107,
|
|
HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED = 0x108,
|
|
HAL_PIXEL_FORMAT_YCbCr_420_SP = 0x109,
|
|
HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO = 0x10A,
|
|
HAL_PIXEL_FORMAT_YCrCb_422_SP = 0x10B,
|
|
HAL_PIXEL_FORMAT_R_8 = 0x10D,
|
|
HAL_PIXEL_FORMAT_RG_88 = 0x10E,
|
|
HAL_PIXEL_FORMAT_INTERLACE = 0x180,
|
|
|
|
};
|
|
|
|
/* possible formats for 3D content*/
|
|
enum {
|
|
HAL_NO_3D = 0x00,
|
|
HAL_3D_IN_SIDE_BY_SIDE_HALF_L_R = 0x10000,
|
|
HAL_3D_IN_TOP_BOTTOM = 0x20000,
|
|
HAL_3D_IN_INTERLEAVE = 0x40000,
|
|
HAL_3D_IN_SIDE_BY_SIDE_FULL = 0x80000,
|
|
HAL_3D_IN_SIDE_BY_SIDE_HALF_R_L = 0xC0000,
|
|
HAL_3D_OUT_SIDE_BY_SIDE = 0x1000,
|
|
HAL_3D_OUT_TOP_BOTTOM = 0x2000,
|
|
HAL_3D_OUT_INTERLEAVE = 0x4000,
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
|
|
struct private_module_t;
|
|
struct private_handle_t;
|
|
struct PmemAllocator;
|
|
|
|
struct qbuf_t {
|
|
buffer_handle_t buf;
|
|
int idx;
|
|
};
|
|
|
|
enum buf_state {
|
|
SUB,
|
|
REF,
|
|
AVL
|
|
};
|
|
|
|
struct avail_t {
|
|
pthread_mutex_t lock;
|
|
pthread_cond_t cond;
|
|
#ifdef __cplusplus
|
|
bool is_avail;
|
|
buf_state state;
|
|
#endif
|
|
};
|
|
|
|
struct private_module_t {
|
|
gralloc_module_t base;
|
|
|
|
struct private_handle_t* framebuffer;
|
|
uint32_t fbFormat;
|
|
uint32_t flags;
|
|
uint32_t numBuffers;
|
|
uint32_t bufferMask;
|
|
pthread_mutex_t lock;
|
|
buffer_handle_t currentBuffer;
|
|
|
|
struct fb_var_screeninfo info;
|
|
struct fb_fix_screeninfo finfo;
|
|
float xdpi;
|
|
float ydpi;
|
|
float fps;
|
|
int swapInterval;
|
|
#ifdef __cplusplus
|
|
Queue<struct qbuf_t> disp; // non-empty when buffer is ready for display
|
|
#endif
|
|
int currentIdx;
|
|
struct avail_t avail[NUM_FRAMEBUFFERS_MAX];
|
|
pthread_mutex_t qlock;
|
|
pthread_cond_t qpost;
|
|
|
|
enum {
|
|
// flag to indicate we'll post this buffer
|
|
PRIV_USAGE_LOCKED_FOR_POST = 0x80000000,
|
|
PRIV_MIN_SWAP_INTERVAL = 0,
|
|
PRIV_MAX_SWAP_INTERVAL = 1,
|
|
};
|
|
#if defined(__cplusplus) && defined(HDMI_DUAL_DISPLAY)
|
|
Overlay* pobjOverlay;
|
|
int orientation;
|
|
bool videoOverlay;
|
|
uint32_t currentOffset;
|
|
bool enableHDMIOutput;
|
|
bool exitHDMIUILoop;
|
|
float actionsafeWidthRatio;
|
|
float actionsafeHeightRatio;
|
|
pthread_mutex_t overlayLock;
|
|
pthread_cond_t overlayPost;
|
|
#endif
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
|
|
#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_NEEDS_FLUSH = 0x00000008,
|
|
PRIV_FLAGS_USES_ASHMEM = 0x00000010,
|
|
};
|
|
|
|
enum {
|
|
LOCK_STATE_WRITE = 1<<31,
|
|
LOCK_STATE_MAPPED = 1<<30,
|
|
LOCK_STATE_READ_MASK = 0x3FFFFFFF
|
|
};
|
|
|
|
// file-descriptors
|
|
int fd;
|
|
// ints
|
|
int magic;
|
|
int flags;
|
|
int size;
|
|
int offset;
|
|
int gpu_fd; // stored as an int, b/c we don't want it marshalled
|
|
|
|
// FIXME: the attributes below should be out-of-line
|
|
int base;
|
|
int lockState;
|
|
int writeOwner;
|
|
int gpuaddr; // The gpu address mapped into the mmu. If using ashmem, set to 0 They don't care
|
|
int pid;
|
|
|
|
#ifdef __cplusplus
|
|
static const int sNumInts = 10;
|
|
static const int sNumFds = 1;
|
|
static const int sMagic = 'gmsm';
|
|
|
|
private_handle_t(int fd, int size, int flags) :
|
|
fd(fd), magic(sMagic), flags(flags), size(size), offset(0), gpu_fd(-1),
|
|
base(0), lockState(0), writeOwner(0), gpuaddr(0), pid(getpid())
|
|
{
|
|
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)
|
|
{
|
|
LOGE("invalid gralloc handle (at %p)", h);
|
|
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_ */
|