dolphin/Source/Core/VideoCommon/BoundingBox.h

51 lines
1.1 KiB
C++

// Copyright 2014 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <vector>
#include "Common/CommonTypes.h"
class PointerWrap;
using BBoxType = s32;
constexpr u32 NUM_BBOX_VALUES = 4;
class BoundingBox
{
public:
explicit BoundingBox() = default;
virtual ~BoundingBox() = default;
bool IsEnabled() const { return m_is_active; }
void Enable();
void Disable();
void Flush();
u16 Get(u32 index);
void Set(u32 index, u16 value);
void DoState(PointerWrap& p);
// Initialize, Read, and Write are only safe to call if the backend supports bounding box,
// otherwise unexpected exceptions can occur
virtual bool Initialize() = 0;
protected:
virtual std::vector<BBoxType> Read(u32 index, u32 length) = 0;
// TODO: This can likely use std::span once we're on C++20
virtual void Write(u32 index, const std::vector<BBoxType>& values) = 0;
private:
void Readback();
bool m_is_active = false;
std::array<BBoxType, NUM_BBOX_VALUES> m_values = {};
std::array<bool, NUM_BBOX_VALUES> m_dirty = {};
bool m_is_valid = true;
};