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// 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:
explicit StreamerInterface(size_t id_) : id{id_}, dependence_mask{}, dependent_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() const {
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() const {
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;
}
u64 GetDependenceMask() const {
return dependence_mask;
}
u64 GetDependentMask() const {
return dependence_mask;
}
u64 GetAmendValue() const {
return amend_value;
}
void SetAccumulationValue(u64 new_value) {
accumulation_value = new_value;
}
protected:
void MakeDependent(StreamerInterface* depend_on) {
dependence_mask |= 1ULL << depend_on->id;
depend_on->dependent_mask |= 1ULL << id;
}
const size_t id;
u64 dependence_mask;
u64 dependent_mask;
u64 amend_value{};
u64 accumulation_value{};
};
template <typename QueryType>
class SimpleStreamer : public StreamerInterface {
public:
explicit 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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