From bdc01254a9b3ce8359f8f007c2102cb2d112418e Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Fri, 4 Aug 2023 03:31:52 +0200
Subject: Query Cache: Setup Base rework

---
 src/video_core/query_cache/query_base.h | 72 +++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 src/video_core/query_cache/query_base.h

(limited to 'src/video_core/query_cache/query_base.h')

diff --git a/src/video_core/query_cache/query_base.h b/src/video_core/query_cache/query_base.h
new file mode 100644
index 000000000..485ed669c
--- /dev/null
+++ b/src/video_core/query_cache/query_base.h
@@ -0,0 +1,72 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
+namespace VideoCommon {
+
+enum class QueryFlagBits : u32 {
+    HasTimestamp = 1 << 0,       ///< Indicates if this query has a tiemstamp.
+    IsFinalValueSynced = 1 << 1, ///< Indicates if the query has been synced in the host
+    IsHostSynced = 1 << 2,       ///< Indicates if the query has been synced in the host
+    IsGuestSynced = 1 << 3,      ///< Indicates if the query has been synced with the guest.
+    IsHostManaged = 1 << 4,      ///< Indicates if this query points to a host query
+    IsRewritten = 1 << 5,        ///< Indicates if this query was rewritten by another query
+    IsInvalidated = 1 << 6,      ///< Indicates the value of th query has been nullified.
+    IsOrphan = 1 << 7,           ///< Indicates the query has not been set by a guest query.
+    IsFence = 1 << 8,            ///< Indicates the query is a fence.
+};
+DECLARE_ENUM_FLAG_OPERATORS(QueryFlagBits)
+
+class QueryBase {
+public:
+    VAddr guest_address;
+    QueryFlagBits flags;
+    u64 value;
+
+protected:
+    // Default constructor
+    QueryBase() : guest_address(0), flags{}, value{} {}
+
+    // Parameterized constructor
+    QueryBase(VAddr address, QueryFlagBits flags_, u64 value_)
+        : guest_address(address), flags(flags_), value{value_} {}
+};
+
+class GuestQuery : public QueryBase {
+public:
+    // Parameterized constructor
+    GuestQuery(bool isLong, VAddr address, u64 queryValue)
+        : QueryBase(address, QueryFlagBits::IsFinalValueSynced, queryValue) {
+        if (isLong) {
+            flags |= QueryFlagBits::HasTimestamp;
+        }
+    }
+};
+
+class HostQueryBase : public QueryBase {
+public:
+    // Default constructor
+    HostQueryBase()
+        : QueryBase(0, QueryFlagBits::IsHostManaged | QueryFlagBits::IsOrphan, 0), start_bank_id{},
+          size_banks{}, start_slot{}, size_slots{} {}
+
+    // Parameterized constructor
+    HostQueryBase(bool isLong, VAddr address)
+        : QueryBase(address, QueryFlagBits::IsHostManaged, 0), start_bank_id{}, size_banks{},
+          start_slot{}, size_slots{} {
+        if (isLong) {
+            flags |= QueryFlagBits::HasTimestamp;
+        }
+    }
+
+    u32 start_bank_id;
+    u32 size_banks;
+    size_t start_slot;
+    size_t size_slots;
+};
+
+} // namespace VideoCommon
\ No newline at end of file
-- 
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