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Diffstat (limited to 'src/video_core/query_cache/query_stream.h')
-rw-r--r-- | src/video_core/query_cache/query_stream.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/video_core/query_cache/query_stream.h b/src/video_core/query_cache/query_stream.h new file mode 100644 index 000000000..dd5f95b3c --- /dev/null +++ b/src/video_core/query_cache/query_stream.h @@ -0,0 +1,125 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-3.0-or-later + +#pragma once + +#include <deque> +#include <optional> +#include <vector> + +#include "common/assert.h" +#include "common/common_types.h" +#include "video_core/query_cache/bank_base.h" +#include "video_core/query_cache/query_base.h" + +namespace VideoCommon { + +class StreamerInterface { +public: + StreamerInterface(size_t id_, u64 dependance_mask_ = 0) : id{id_}, dependance_mask{dependance_mask_} {} + virtual ~StreamerInterface() = default; + + virtual QueryBase* GetQuery(size_t id) = 0; + + virtual void StartCounter() { + /* Do Nothing */ + } + + virtual void PauseCounter() { + /* Do Nothing */ + } + + virtual void ResetCounter() { + /* Do Nothing */ + } + + virtual void CloseCounter() { + /* Do Nothing */ + } + + virtual bool HasPendingSync() { + return false; + } + + virtual void PresyncWrites() { + /* Do Nothing */ + } + + virtual void SyncWrites() { + /* Do Nothing */ + } + + virtual size_t WriteCounter(VAddr address, bool has_timestamp, u32 value, + std::optional<u32> subreport = std::nullopt) = 0; + + virtual bool HasUnsyncedQueries() { + return false; + } + + virtual void PushUnsyncedQueries() { + /* Do Nothing */ + } + + virtual void PopUnsyncedQueries() { + /* Do Nothing */ + } + + virtual void Free(size_t query_id) = 0; + + size_t GetId() const { + return id; + } + +protected: + const size_t id; + const u64 dependance_mask; +}; + +template <typename QueryType> +class SimpleStreamer : public StreamerInterface { +public: + SimpleStreamer(size_t id_) : StreamerInterface{id_} {} + virtual ~SimpleStreamer() = default; + +protected: + virtual QueryType* GetQuery(size_t query_id) override { + if (query_id < slot_queries.size()) { + return &slot_queries[query_id]; + } + return nullptr; + } + + virtual void Free(size_t query_id) override { + std::scoped_lock lk(guard); + ReleaseQuery(query_id); + } + + template <typename... Args, typename = decltype(QueryType(std::declval<Args>()...))> + size_t BuildQuery(Args&&... args) { + std::scoped_lock lk(guard); + if (!old_queries.empty()) { + size_t new_id = old_queries.front(); + old_queries.pop_front(); + new (&slot_queries[new_id]) QueryType(std::forward<Args>(args)...); + return new_id; + } + size_t new_id = slot_queries.size(); + slot_queries.emplace_back(std::forward<Args>(args)...); + return new_id; + } + + void ReleaseQuery(size_t query_id) { + + if (query_id < slot_queries.size()) { + old_queries.push_back(query_id); + return; + } + UNREACHABLE(); + } + + std::mutex guard; + std::deque<QueryType> slot_queries; + std::deque<size_t> old_queries; +}; + +} // namespace VideoCommon
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