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// Copyright 2011 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <string>
#include <vector>
#include "Common/ChunkFile.h"
#include "VideoCommon/PerfQueryBase.h"
namespace MMIO { class Mapping; }
enum FieldType
{
FIELD_PROGRESSIVE = 0,
FIELD_UPPER,
FIELD_LOWER
};
enum EFBAccessType
{
PEEK_Z = 0,
POKE_Z,
PEEK_COLOR,
POKE_COLOR
};
struct SCPFifoStruct
{
// fifo registers
volatile u32 CPBase;
volatile u32 CPEnd;
u32 CPHiWatermark;
u32 CPLoWatermark;
volatile u32 CPReadWriteDistance;
volatile u32 CPWritePointer;
volatile u32 CPReadPointer;
volatile u32 CPBreakpoint;
volatile u32 SafeCPReadPointer;
// Super Monkey Ball Adventure require this.
// Because the read&check-PEToken-loop stays in its JITed block I suppose.
// So no possiblity to ack the Token irq by the scheduler until some sort of PPC watchdog do its mess.
volatile u16 PEToken;
volatile u32 bFF_GPLinkEnable;
volatile u32 bFF_GPReadEnable;
volatile u32 bFF_BPEnable;
volatile u32 bFF_BPInt;
volatile u32 bFF_Breakpoint;
volatile u32 bFF_LoWatermarkInt;
volatile u32 bFF_HiWatermarkInt;
volatile u32 bFF_LoWatermark;
volatile u32 bFF_HiWatermark;
};
class VideoBackend
{
public:
virtual ~VideoBackend() {}
virtual void EmuStateChange(EMUSTATE_CHANGE) = 0;
virtual unsigned int PeekMessages() = 0;
virtual bool Initialize(void *window_handle) = 0;
virtual void Shutdown() = 0;
virtual void RunLoop(bool enable) = 0;
virtual std::string GetName() const = 0;
virtual std::string GetDisplayName() const { return GetName(); }
virtual void ShowConfig(void*) = 0;
virtual void Video_Prepare() = 0;
virtual void Video_EnterLoop() = 0;
virtual void Video_ExitLoop() = 0;
virtual void Video_Cleanup() = 0; // called from gl/d3d thread
virtual void Video_BeginField(u32, u32, u32, u32) = 0;
virtual void Video_EndField() = 0;
virtual u32 Video_AccessEFB(EFBAccessType, u32, u32, u32) = 0;
virtual u32 Video_GetQueryResult(PerfQueryType type) = 0;
virtual u16 Video_GetBoundingBox(int index) = 0;
virtual void Video_AddMessage(const std::string& msg, unsigned int milliseconds) = 0;
virtual void Video_ClearMessages() = 0;
virtual bool Video_Screenshot(const std::string& filename) = 0;
virtual void Video_SetRendering(bool bEnabled) = 0;
virtual void Video_GatherPipeBursted() = 0;
virtual int Video_Sync(int ticks) = 0;
// Registers MMIO handlers for the CommandProcessor registers.
virtual void RegisterCPMMIO(MMIO::Mapping* mmio, u32 base) = 0;
static void PopulateList();
static void ClearList();
static void ActivateBackend(const std::string& name);
// waits until is paused and fully idle, and acquires a lock on that state.
// or, if doLock is false, releases a lock on that state and optionally unpauses.
// calls must be balanced and non-recursive (once with doLock true, then once with doLock false).
virtual void PauseAndLock(bool doLock, bool unpauseOnUnlock = true) = 0;
// the implementation needs not do synchronization logic, because calls to it are surrounded by PauseAndLock now
virtual void DoState(PointerWrap &p) = 0;
virtual void CheckInvalidState() = 0;
virtual void UpdateWantDeterminism(bool want) {}
};
extern std::vector<VideoBackend*> g_available_video_backends;
extern VideoBackend* g_video_backend;
// inherited by D3D/OGL backends
class VideoBackendHardware : public VideoBackend
{
void RunLoop(bool enable) override;
void EmuStateChange(EMUSTATE_CHANGE) override;
void Video_EnterLoop() override;
void Video_ExitLoop() override;
void Video_BeginField(u32, u32, u32, u32) override;
void Video_EndField() override;
u32 Video_AccessEFB(EFBAccessType, u32, u32, u32) override;
u32 Video_GetQueryResult(PerfQueryType type) override;
u16 Video_GetBoundingBox(int index) override;
void Video_AddMessage(const std::string& pstr, unsigned int milliseconds) override;
void Video_ClearMessages() override;
bool Video_Screenshot(const std::string& filename) override;
void Video_SetRendering(bool bEnabled) override;
void Video_GatherPipeBursted() override;
int Video_Sync(int ticks) override;
void RegisterCPMMIO(MMIO::Mapping* mmio, u32 base) override;
void PauseAndLock(bool doLock, bool unpauseOnUnlock = true) override;
void DoState(PointerWrap &p) override;
void UpdateWantDeterminism(bool want) override;
bool m_invalid;
public:
void CheckInvalidState() override;
protected:
void InitializeShared();
void InvalidState();
};
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