110 lines
2.5 KiB
C++
110 lines
2.5 KiB
C++
// Copyright 2011 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include <string>
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#include <vector>
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#include "Common/CommonTypes.h"
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#include "VideoCommon/PerfQueryBase.h"
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namespace MMIO
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{
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class Mapping;
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}
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class PointerWrap;
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enum FieldType
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{
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FIELD_ODD = 0,
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FIELD_EVEN = 1,
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};
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enum EFBAccessType
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{
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PEEK_Z = 0,
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POKE_Z,
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PEEK_COLOR,
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POKE_COLOR
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};
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struct SCPFifoStruct
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{
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// fifo registers
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volatile u32 CPBase;
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volatile u32 CPEnd;
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u32 CPHiWatermark;
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u32 CPLoWatermark;
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volatile u32 CPReadWriteDistance;
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volatile u32 CPWritePointer;
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volatile u32 CPReadPointer;
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volatile u32 CPBreakpoint;
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volatile u32 SafeCPReadPointer;
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// Super Monkey Ball Adventure require this.
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// Because the read&check-PEToken-loop stays in its JITed block I suppose.
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// So no possiblity to ack the Token irq by the scheduler until some sort of PPC watchdog do its
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// mess.
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volatile u16 PEToken;
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volatile u32 bFF_GPLinkEnable;
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volatile u32 bFF_GPReadEnable;
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volatile u32 bFF_BPEnable;
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volatile u32 bFF_BPInt;
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volatile u32 bFF_Breakpoint;
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volatile u32 bFF_LoWatermarkInt;
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volatile u32 bFF_HiWatermarkInt;
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volatile u32 bFF_LoWatermark;
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volatile u32 bFF_HiWatermark;
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};
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class VideoBackendBase
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{
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public:
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virtual ~VideoBackendBase() {}
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virtual unsigned int PeekMessages() = 0;
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virtual bool Initialize(void* window_handle) = 0;
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virtual void Shutdown() = 0;
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virtual std::string GetName() const = 0;
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virtual std::string GetDisplayName() const { return GetName(); }
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void ShowConfig(void*);
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virtual void InitBackendInfo() = 0;
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virtual void Video_Prepare() = 0;
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void Video_ExitLoop();
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virtual void Video_Cleanup() = 0; // called from gl/d3d thread
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void Video_BeginField(u32, u32, u32, u32);
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u32 Video_AccessEFB(EFBAccessType, u32, u32, u32);
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u32 Video_GetQueryResult(PerfQueryType type);
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u16 Video_GetBoundingBox(int index);
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static void PopulateList();
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static void ClearList();
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static void ActivateBackend(const std::string& name);
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// the implementation needs not do synchronization logic, because calls to it are surrounded by
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// PauseAndLock now
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void DoState(PointerWrap& p);
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void CheckInvalidState();
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protected:
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void InitializeShared();
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void ShutdownShared();
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void CleanupShared();
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bool m_initialized = false;
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bool m_invalid = false;
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};
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extern std::vector<std::unique_ptr<VideoBackendBase>> g_available_video_backends;
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extern VideoBackendBase* g_video_backend;
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