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// Copyright (C) 2003-2009 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _COMMANDPROCESSOR_H_
#define _COMMANDPROCESSOR_H_
#include "Common.h"
#include "pluginspecs_video.h"
class PointerWrap;
extern volatile bool g_bSkipCurrentFrame;
// for compatibility with video common
void Fifo_Init();
void Fifo_Shutdown();
void Fifo_DoState(PointerWrap &p);
void Fifo_EnterLoop(const SVideoInitialize &video_initialize);
void Fifo_ExitLoop();
void Fifo_SetRendering(bool bEnabled);
// Implemented by the Video Plugin
void VideoFifo_CheckSwapRequest();
void VideoFifo_CheckSwapRequestAt(u32 xfbAddr, u32 fbWidth, u32 fbHeight);
void VideoFifo_CheckEFBAccess();
namespace CommandProcessor
{
// internal hardware addresses
enum
{
STATUS_REGISTER = 0x00,
CTRL_REGISTER = 0x02,
CLEAR_REGISTER = 0x04,
FIFO_TOKEN_REGISTER = 0x0E,
FIFO_BOUNDING_BOX_LEFT = 0x10,
FIFO_BOUNDING_BOX_RIGHT = 0x12,
FIFO_BOUNDING_BOX_TOP = 0x14,
FIFO_BOUNDING_BOX_BOTTOM = 0x16,
FIFO_BASE_LO = 0x20,
FIFO_BASE_HI = 0x22,
FIFO_END_LO = 0x24,
FIFO_END_HI = 0x26,
FIFO_HI_WATERMARK_LO = 0x28,
FIFO_HI_WATERMARK_HI = 0x2a,
FIFO_LO_WATERMARK_LO = 0x2c,
FIFO_LO_WATERMARK_HI = 0x2e,
FIFO_RW_DISTANCE_LO = 0x30,
FIFO_RW_DISTANCE_HI = 0x32,
FIFO_WRITE_POINTER_LO = 0x34,
FIFO_WRITE_POINTER_HI = 0x36,
FIFO_READ_POINTER_LO = 0x38,
FIFO_READ_POINTER_HI = 0x3A,
FIFO_BP_LO = 0x3C,
FIFO_BP_HI = 0x3E
};
// Fifo Status Register
union UCPStatusReg
{
struct
{
unsigned OverflowHiWatermark : 1;
unsigned UnderflowLoWatermark : 1;
unsigned ReadIdle : 1; // done reading
unsigned CommandIdle : 1; // done processing commands
unsigned Breakpoint : 1;
unsigned : 11;
};
u16 Hex;
UCPStatusReg() {Hex = 0; }
UCPStatusReg(u16 _hex) {Hex = _hex; }
};
// Fifo Control Register
union UCPCtrlReg
{
struct
{
unsigned GPReadEnable : 1;
unsigned BPEnable : 1;
unsigned FifoOverflowIntEnable : 1;
unsigned FifoUnderflowIntEnable : 1;
unsigned GPLinkEnable : 1;
unsigned BreakPointIntEnable : 1;
unsigned : 10;
};
u16 Hex;
UCPCtrlReg() {Hex = 0; }
UCPCtrlReg(u16 _hex) {Hex = _hex; }
};
// Fifo Control Register
union UCPClearReg
{
struct
{
unsigned ClearFifoOverflow : 1;
unsigned ClearFifoUnderflow : 1;
unsigned ClearMetrices : 1;
unsigned : 13;
};
u16 Hex;
UCPClearReg() {Hex = 0; }
UCPClearReg(u16 _hex) {Hex = _hex; }
};
struct CPReg
{
UCPStatusReg status; // 0x00
UCPCtrlReg ctrl; // 0x02
UCPClearReg clear; // 0x04
u32 unk0; // 0x06
u32 unk1; // 0x0a
u16 token; // 0x0e
u16 bboxleft; // 0x10
u16 bboxtop; // 0x12
u16 bboxright; // 0x14
u16 bboxbottom; // 0x16
u16 unk2; // 0x18
u32 fifobase; // 0x20
u32 fifoend; // 0x24
u32 hiwatermark; // 0x28
u32 lowatermark; // 0x2c
u32 rwdistance; // 0x30
u32 writeptr; // 0x34
u32 readptr; // 0x38
u32 breakpt; // 0x3c
};
extern CPReg cpreg;
// Init
void Init();
void Shutdown();
void DoState(PointerWrap &p);
bool RunBuffer();
void RunGpu();
// Read
void Read16(u16& _rReturnValue, const u32 _Address);
void Write16(const u16 _Data, const u32 _Address);
void Read32(u32& _rReturnValue, const u32 _Address);
void Write32(const u32 _Data, const u32 _Address);
// for CGPFIFO
void GatherPipeBursted();
void UpdateInterrupts(u64 userdata);
void UpdateInterruptsFromVideoPlugin(u64 userdata);
} // end of namespace CommandProcessor
#endif
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