154 lines
3.5 KiB
C++
154 lines
3.5 KiB
C++
// Copyright (C) 2003-2009 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 _PIXELENGINE_H
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#define _PIXELENGINE_H
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#include "Common.h"
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#include "VideoCommon.h"
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class PointerWrap;
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namespace SWPixelEngine
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{
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// internal hardware addresses
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enum
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{
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PE_ZCONF = 0x000, // Z Config
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PE_ALPHACONF = 0x002, // Alpha Config
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PE_DSTALPHACONF = 0x004, // Destination Alpha Config
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PE_ALPHAMODE = 0x006, // Alpha Mode Config
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PE_ALPHAREAD = 0x008, // Alpha Read
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PE_CTRL_REGISTER = 0x00a, // Control
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PE_TOKEN_REG = 0x00e, // Token
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PE_BBOX_LEFT = 0x010, // Flip Left
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PE_BBOX_RIGHT = 0x012, // Flip Right
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PE_BBOX_TOP = 0x014, // Flip Top
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PE_BBOX_BOTTOM = 0x016, // Flip Bottom
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};
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union UPEZConfReg
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{
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u16 Hex;
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struct
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{
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u16 ZCompEnable : 1; // Z Comparator Enable
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u16 Function : 3;
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u16 ZUpdEnable : 1;
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u16 : 11;
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};
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};
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union UPEAlphaConfReg
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{
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u16 Hex;
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struct
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{
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u16 BMMath : 1; // GX_BM_BLEND || GX_BM_SUBSTRACT
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u16 BMLogic : 1; // GX_BM_LOGIC
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u16 Dither : 1;
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u16 ColorUpdEnable : 1;
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u16 AlphaUpdEnable : 1;
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u16 DstFactor : 3;
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u16 SrcFactor : 3;
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u16 Substract : 1; // Additive mode by default
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u16 BlendOperator : 4;
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};
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};
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union UPEDstAlphaConfReg
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{
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u16 Hex;
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struct
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{
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u16 DstAlpha : 8;
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u16 Enable : 1;
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u16 : 7;
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};
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};
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union UPEAlphaModeConfReg
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{
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u16 Hex;
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struct
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{
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u16 Threshold : 8;
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u16 CompareMode : 8;
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};
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};
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union UPEAlphaReadReg
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{
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u16 Hex;
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struct
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{
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u16 ReadMode : 3;
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u16 : 13;
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};
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};
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union UPECtrlReg
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{
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struct
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{
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u16 PETokenEnable : 1;
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u16 PEFinishEnable : 1;
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u16 PEToken : 1; // write only
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u16 PEFinish : 1; // write only
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u16 : 12;
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};
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u16 Hex;
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UPECtrlReg() {Hex = 0; }
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UPECtrlReg(u16 _hex) {Hex = _hex; }
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};
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struct PEReg
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{
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UPEZConfReg zconf;
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UPEAlphaConfReg alphaConf;
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UPEDstAlphaConfReg dstAlpha;
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UPEAlphaModeConfReg alphaMode;
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UPEAlphaReadReg alphaRead;
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UPECtrlReg ctrl;
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u16 unk0;
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u16 token;
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u16 boxLeft;
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u16 boxRight;
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u16 boxTop;
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u16 boxBottom;
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};
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extern PEReg pereg;
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void Init();
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void DoState(PointerWrap &p);
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// Read
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void Read16(u16& _uReturnValue, const u32 _iAddress);
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// Write
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void Write16(const u16 _iValue, const u32 _iAddress);
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void Write32(const u32 _iValue, const u32 _iAddress);
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// gfx backend support
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void SetToken(const u16 _token, const int _bSetTokenAcknowledge);
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void SetFinish(void);
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bool AllowIdleSkipping();
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} // end of namespace SWPixelEngine
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#endif
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