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-rw-r--r--src/video_core/rasterizer_accelerated.cpp72
1 files changed, 0 insertions, 72 deletions
diff --git a/src/video_core/rasterizer_accelerated.cpp b/src/video_core/rasterizer_accelerated.cpp
deleted file mode 100644
index f200a650f..000000000
--- a/src/video_core/rasterizer_accelerated.cpp
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@@ -1,72 +0,0 @@
1// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
2// SPDX-License-Identifier: GPL-2.0-or-later
3
4#include <atomic>
5
6#include "common/assert.h"
7#include "common/common_types.h"
8#include "common/div_ceil.h"
9#include "core/memory.h"
10#include "video_core/rasterizer_accelerated.h"
11
12namespace VideoCore {
13
14using namespace Core::Memory;
15
16RasterizerAccelerated::RasterizerAccelerated(Memory& cpu_memory_)
17 : cached_pages(std::make_unique<CachedPages>()), cpu_memory{cpu_memory_} {}
18
19RasterizerAccelerated::~RasterizerAccelerated() = default;
20
21void RasterizerAccelerated::UpdatePagesCachedCount(VAddr addr, u64 size, int delta) {
22 u64 uncache_begin = 0;
23 u64 cache_begin = 0;
24 u64 uncache_bytes = 0;
25 u64 cache_bytes = 0;
26
27 std::atomic_thread_fence(std::memory_order_acquire);
28 const u64 page_end = Common::DivCeil(addr + size, YUZU_PAGESIZE);
29 for (u64 page = addr >> YUZU_PAGEBITS; page != page_end; ++page) {
30 std::atomic_uint16_t& count = cached_pages->at(page >> 2).Count(page);
31
32 if (delta > 0) {
33 ASSERT_MSG(count.load(std::memory_order::relaxed) < UINT16_MAX, "Count may overflow!");
34 } else if (delta < 0) {
35 ASSERT_MSG(count.load(std::memory_order::relaxed) > 0, "Count may underflow!");
36 } else {
37 ASSERT_MSG(false, "Delta must be non-zero!");
38 }
39
40 // Adds or subtracts 1, as count is a unsigned 8-bit value
41 count.fetch_add(static_cast<u16>(delta), std::memory_order_release);
42
43 // Assume delta is either -1 or 1
44 if (count.load(std::memory_order::relaxed) == 0) {
45 if (uncache_bytes == 0) {
46 uncache_begin = page;
47 }
48 uncache_bytes += YUZU_PAGESIZE;
49 } else if (uncache_bytes > 0) {
50 cpu_memory.RasterizerMarkRegionCached(uncache_begin << YUZU_PAGEBITS, uncache_bytes,
51 false);
52 uncache_bytes = 0;
53 }
54 if (count.load(std::memory_order::relaxed) == 1 && delta > 0) {
55 if (cache_bytes == 0) {
56 cache_begin = page;
57 }
58 cache_bytes += YUZU_PAGESIZE;
59 } else if (cache_bytes > 0) {
60 cpu_memory.RasterizerMarkRegionCached(cache_begin << YUZU_PAGEBITS, cache_bytes, true);
61 cache_bytes = 0;
62 }
63 }
64 if (uncache_bytes > 0) {
65 cpu_memory.RasterizerMarkRegionCached(uncache_begin << YUZU_PAGEBITS, uncache_bytes, false);
66 }
67 if (cache_bytes > 0) {
68 cpu_memory.RasterizerMarkRegionCached(cache_begin << YUZU_PAGEBITS, cache_bytes, true);
69 }
70}
71
72} // namespace VideoCore