al/buffer.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78

#ifndef AL_BUFFER_H
#define AL_BUFFER_H

#include <atomic>
#include <cstddef>
#include <cstdint>
#include <string_view>

#include "AL/al.h"

#include "alc/inprogext.h"
#include "almalloc.h"
#include "alnumeric.h"
#include "atomic.h"
#include "core/buffer_storage.h"
#include "vector.h"

#ifdef ALSOFT_EAX
#include "eax/x_ram.h"

enum class EaxStorage : uint8_t {
    Automatic,
    Accessible,
    Hardware
};
#endif // ALSOFT_EAX


struct ALbuffer : public BufferStorage {
    ALbitfieldSOFT Access{0u};

    al::vector<std::byte,16> mDataStorage;

    ALuint OriginalSize{0};

    ALuint UnpackAlign{0};
    ALuint PackAlign{0};
    ALuint UnpackAmbiOrder{1};

    ALbitfieldSOFT MappedAccess{0u};
    ALsizei MappedOffset{0};
    ALsizei MappedSize{0};

    ALuint mLoopStart{0u};
    ALuint mLoopEnd{0u};

    /* Number of times buffer was attached to a source (deletion can only occur when 0) */
    std::atomic<ALuint> ref{0u};

    /* Self ID */
    ALuint id{0};

    static void SetName(ALCcontext *context, ALuint id, std::string_view name);

    DISABLE_ALLOC

#ifdef ALSOFT_EAX
    EaxStorage eax_x_ram_mode{EaxStorage::Automatic};
    bool eax_x_ram_is_hardware{};
#endif // ALSOFT_EAX
};

struct BufferSubList {
    uint64_t FreeMask{~0_u64};
    gsl::owner<std::array<ALbuffer,64>*> Buffers{nullptr};

    BufferSubList() noexcept = default;
    BufferSubList(const BufferSubList&) = delete;
    BufferSubList(BufferSubList&& rhs) noexcept : FreeMask{rhs.FreeMask}, Buffers{rhs.Buffers}
    { rhs.FreeMask = ~0_u64; rhs.Buffers = nullptr; }
    ~BufferSubList();

    BufferSubList& operator=(const BufferSubList&) = delete;
    BufferSubList& operator=(BufferSubList&& rhs) noexcept
    { std::swap(FreeMask, rhs.FreeMask); std::swap(Buffers, rhs.Buffers); return *this; }
};

#endif