blob: eb1885693281062d21018c0e12871c857359b05e (
plain) (
blame)
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
|
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <utility>
#include <vector>
#include "common/common_types.h"
namespace VideoCommon {
class InvalidationAccumulator {
public:
InvalidationAccumulator() = default;
~InvalidationAccumulator() = default;
void Add(GPUVAddr address, size_t size) noexcept {
auto const end_address = start_address + accumulated_size;
if (!(address >= start_address && address + size <= end_address)) {
size = ((address + size + atomicity_size_mask) & atomicity_mask) - address;
address = address & atomicity_mask;
if (start_address == 0) {
start_address = address;
accumulated_size = size;
// will now have collected as this point
} else if (address != end_address) {
buffer.emplace_back(start_address, accumulated_size);
start_address = address;
accumulated_size = size;
} else {
accumulated_size += size;
}
}
}
template <typename F>
[[nodiscard]] bool InvalidateAll(F&& f) noexcept {
if (start_address > 0) {
for (auto [address, size] : buffer)
f(address, size);
f(start_address, accumulated_size);
buffer.clear();
start_address = 0;
accumulated_size = 0;
return true;
}
return false;
}
private:
static constexpr size_t atomicity_bits = 5;
static constexpr size_t atomicity_size = 1ULL << atomicity_bits;
static constexpr size_t atomicity_size_mask = atomicity_size - 1;
static constexpr size_t atomicity_mask = ~atomicity_size_mask;
std::vector<std::pair<VAddr, size_t>> buffer;
GPUVAddr start_address = 0;
size_t accumulated_size = 0;
};
} // namespace VideoCommon
|
