/*  GSnull
 *  Copyright (C) 2004-2009 PCSX2 Team
 *
 *  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; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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 for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
 #ifndef __GIF_TRANSFER_H__
 #define __GIF_TRANSFER_H__
 
#include <assert.h>
#include <algorithm>

 struct GSRegSIGBLID
{
	u32 SIGID;
	u32 LBLID;
};

enum GIF_FLG
{
	GIF_FLG_PACKED	= 0,
	GIF_FLG_REGLIST	= 1,
	GIF_FLG_IMAGE	= 2,
	GIF_FLG_IMAGE2	= 3
};

enum GIF_PATH
{
	GIF_PATH_1 = 0,
	GIF_PATH_2,
	GIF_PATH_3,
};

enum GIF_REG
{
	GIF_REG_PRIM	= 0x00,
	GIF_REG_RGBA	= 0x01,
	GIF_REG_STQ		= 0x02,
	GIF_REG_UV		= 0x03,
	GIF_REG_XYZF2	= 0x04,
	GIF_REG_XYZ2	= 0x05,
	GIF_REG_TEX0_1	= 0x06,
	GIF_REG_TEX0_2	= 0x07,
	GIF_REG_CLAMP_1	= 0x08,
	GIF_REG_CLAMP_2	= 0x09,
	GIF_REG_FOG		= 0x0a,
	GIF_REG_XYZF3	= 0x0c,
	GIF_REG_XYZ3	= 0x0d,
	GIF_REG_A_D		= 0x0e,
	GIF_REG_NOP		= 0x0f,
};

struct GIFTAG
{
	u32 nloop : 15;
	u32 eop : 1;
	u32 dummy0 : 16;
	u32 dummy1 : 14;
	u32 pre : 1;
	u32 prim : 11;
	u32 flg : 2;
	u32 nreg : 4;
	u32 regs[2];
};

struct GIFPath
{
	GIFTAG tag; 
	u32 curreg;
	u32 _pad[3];
	u8 regs[16];

	__forceinline void PrepRegs();
	void SetTag(const void* mem);
	u32 GetReg();
	__forceinline bool StepReg();
};

extern GIFPath m_path[3];
extern bool Path3transfer;

extern void _GSgifTransfer1(u32 *pMem, u32 addr);
extern void _GSgifTransfer2(u32 *pMem, u32 size);
extern void _GSgifTransfer3(u32 *pMem, u32 size);

#endif