gralloc.cpp

/*
* Copyright (C) 2011 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.
*/
#include <string.h>
#include <pthread.h>
#include <limits.h>
#include <cutils/ashmem.h>
#include <unistd.h>
#include <errno.h>
#include <dlfcn.h>
#include <sys/mman.h>
#include "gralloc_cb.h"
#include "goldfish_dma.h"
#include "FormatConversions.h"
#include "HostConnection.h"
#include "ProcessPipe.h"
#include "glUtils.h"
#include <utils/CallStack.h>
#include <cutils/log.h>
#include <cutils/properties.h>

#include <set>
#include <string>
#include <sstream>

/* Set to 1 or 2 to enable debug traces */
#define DEBUG  0

#if DEBUG >= 1
#  define D(...)   ALOGD(__VA_ARGS__)
#else
#  define D(...)   ((void)0)
#endif

#if DEBUG >= 2
#  define DD(...)  ALOGD(__VA_ARGS__)
#else
#  define DD(...)  ((void)0)
#endif

#define DBG_FUNC DBG("%s\n", __FUNCTION__)

#ifdef GOLDFISH_HIDL_GRALLOC
static bool isHidlGralloc = true;
#else
static bool isHidlGralloc = false;
#endif

int32_t* getOpenCountPtr(cb_handle_t* cb) {
    return ((int32_t*)cb->ashmemBase) + 1;
}

uint32_t getAshmemColorOffset(cb_handle_t* cb) {
    uint32_t res = 0;
    if (cb->canBePosted()) res = sizeof(intptr_t);
    if (isHidlGralloc) res = sizeof(intptr_t) * 2;
    return res;
}