1/*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#ifndef OHOS_HDI_DISPLAY_BUFFER_V1_0_IALLOCATOR_H
17#define OHOS_HDI_DISPLAY_BUFFER_V1_0_IALLOCATOR_H
18
19#include <stdint.h>
20#include <base/native_buffer.h>
21#include <hdf_base.h>
22#include <hdi_base.h>
23#include "display/buffer/v1_0/display_buffer_type.h"
24
25#ifndef HDI_BUFF_MAX_SIZE
26#define HDI_BUFF_MAX_SIZE (1024 * 200)
27#endif
28
29#ifndef HDI_CHECK_VALUE_RETURN
30#define HDI_CHECK_VALUE_RETURN(lv, compare, rv, ret) do { \
31    if ((lv) compare (rv)) { \
32        return ret; \
33    } \
34} while (false)
35#endif
36
37#ifndef HDI_CHECK_VALUE_RET_GOTO
38#define HDI_CHECK_VALUE_RET_GOTO(lv, compare, rv, ret, value, table) do { \
39    if ((lv) compare (rv)) { \
40        ret = value; \
41        goto table; \
42    } \
43} while (false)
44#endif
45
46namespace OHOS {
47namespace HDI {
48namespace Display {
49namespace Buffer {
50namespace V1_0 {
51using namespace OHOS;
52using namespace OHOS::HDI;
53using namespace OHOS::HDI::Base;
54
55enum {
56    CMD_ALLOCATOR_GET_VERSION = 0,
57    CMD_ALLOCATOR_ALLOC_MEM = 1,
58};
59
60class IAllocator : public HdiBase {
61public:
62    DECLARE_HDI_DESCRIPTOR(u"ohos.hdi.display.buffer.v1_0.IAllocator");
63
64    virtual ~IAllocator() = default;
65
66    static sptr<OHOS::HDI::Display::Buffer::V1_0::IAllocator> Get(bool isStub = false);
67    static sptr<OHOS::HDI::Display::Buffer::V1_0::IAllocator> Get(const std::string &serviceName, bool isStub = false);
68
69    virtual int32_t AllocMem(const OHOS::HDI::Display::Buffer::V1_0::AllocInfo& info, sptr<NativeBuffer>& handle) = 0;
70
71    virtual int32_t GetVersion(uint32_t& majorVer, uint32_t& minorVer)
72    {
73        majorVer = 1;
74        minorVer = 0;
75        return HDF_SUCCESS;
76    }
77
78    virtual bool IsProxy()
79    {
80        return false;
81    }
82
83    virtual const std::u16string GetDesc()
84    {
85        return metaDescriptor_;
86    }
87};
88} // V1_0
89} // Buffer
90} // Display
91} // HDI
92} // OHOS
93
94#endif // OHOS_HDI_DISPLAY_BUFFER_V1_0_IALLOCATOR_H
95
96