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* Readbacks proof of concept * liverpool: Use span for acb too * config: Add readbacks config option * config: Log readbacks
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <memory>
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#include "common/alignment.h"
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#include "common/types.h"
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#include "video_core/buffer_cache//region_definitions.h"
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namespace Vulkan {
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class Rasterizer;
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}
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namespace VideoCore {
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class PageManager {
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// Use the same page size as the tracker.
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static constexpr size_t PAGE_BITS = TRACKER_PAGE_BITS;
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static constexpr size_t PAGE_SIZE = TRACKER_BYTES_PER_PAGE;
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// Keep the lock granularity the same as region granularity. (since each regions has
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// itself a lock)
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static constexpr size_t PAGES_PER_LOCK = NUM_PAGES_PER_REGION;
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public:
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explicit PageManager(Vulkan::Rasterizer* rasterizer);
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~PageManager();
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/// Register a range of mapped gpu memory.
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void OnGpuMap(VAddr address, size_t size);
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/// Unregister a range of gpu memory that was unmapped.
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void OnGpuUnmap(VAddr address, size_t size);
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/// Updates watches in the pages touching the specified region.
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template <bool track>
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void UpdatePageWatchers(VAddr addr, u64 size) const;
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/// Updates watches in the pages touching the specified region using a mask.
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template <bool track, bool is_read = false>
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void UpdatePageWatchersForRegion(VAddr base_addr, RegionBits& mask) const;
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/// Returns page aligned address.
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static constexpr VAddr GetPageAddr(VAddr addr) {
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return Common::AlignDown(addr, PAGE_SIZE);
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}
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/// Returns address of the next page.
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static constexpr VAddr GetNextPageAddr(VAddr addr) {
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return Common::AlignUp(addr + 1, PAGE_SIZE);
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}
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private:
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struct Impl;
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std::unique_ptr<Impl> impl;
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};
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} // namespace VideoCore
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