157 lines
3.7 KiB
C++
157 lines
3.7 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef VIDEO_BACKEND_H_
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#define VIDEO_BACKEND_H_
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#include <string>
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#include <vector>
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#include "ChunkFile.h"
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enum FieldType
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{
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FIELD_PROGRESSIVE = 0,
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FIELD_UPPER,
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FIELD_LOWER
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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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// 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 mess.
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volatile u16 PEToken;
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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 CPCmdIdle;
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volatile u32 CPReadIdle;
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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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// for GP watchdog hack
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volatile u32 Fake_GPWDToken; // cicular incrementer
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};
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class VideoBackend
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{
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public:
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virtual ~VideoBackend() {}
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virtual void EmuStateChange(EMUSTATE_CHANGE) = 0;
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virtual void UpdateFPSDisplay(const char*) = 0;
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virtual unsigned int PeekMessages() = 0;
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virtual void Initialize() = 0;
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virtual void Shutdown() = 0;
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virtual void DoState(PointerWrap &p) = 0;
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virtual std::string GetName() = 0;
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virtual void ShowConfig(void*) {}
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virtual void Video_Prepare() = 0;
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virtual void Video_EnterLoop() = 0;
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virtual void Video_ExitLoop() = 0;
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virtual void Video_BeginField(u32, FieldType, u32, u32) = 0;
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virtual void Video_EndField() = 0;
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virtual u32 Video_AccessEFB(EFBAccessType, u32, u32, u32) = 0;
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virtual void Video_AddMessage(const char* pstr, unsigned int milliseconds) = 0;
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virtual void Video_ClearMessages() = 0;
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virtual bool Video_Screenshot(const char* filename) = 0;
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virtual void Video_SetRendering(bool bEnabled) = 0;
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static void Video_GatherPipeBursted();
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virtual void Video_WaitForFrameFinish() = 0;
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virtual bool Video_IsFifoBusy() = 0;
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virtual void Video_AbortFrame() = 0;
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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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};
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extern std::vector<VideoBackend*> g_available_video_backends;
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extern VideoBackend* g_video_backend;
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// inherited by dx9/dx11/ogl backends
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class VideoBackendHLE : public VideoBackend
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{
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void DoState(PointerWrap &p);
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void EmuStateChange(EMUSTATE_CHANGE);
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void Video_EnterLoop();
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void Video_ExitLoop();
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void Video_BeginField(u32, FieldType, u32, u32);
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void Video_EndField();
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u32 Video_AccessEFB(EFBAccessType, u32, u32, u32);
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void Video_AddMessage(const char* pstr, unsigned int milliseconds);
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void Video_ClearMessages();
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bool Video_Screenshot(const char* filename);
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void Video_SetRendering(bool bEnabled);
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void Video_WaitForFrameFinish();
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bool Video_IsFifoBusy();
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void Video_AbortFrame();
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};
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// inherited by software renderer
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class VideoBackendLLE : public VideoBackend
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{
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};
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#endif
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