dolphin/Source/Core/VideoBackends/Software/OpcodeDecoder.h

// Copyright 2009 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#pragma once

#include "Common/CommonTypes.h"

class PointerWrap;

namespace OpcodeDecoder
{

	#define GX_NOP                      0x00

	#define GX_LOAD_BP_REG              0x61
	#define GX_LOAD_CP_REG              0x08
	#define GX_LOAD_XF_REG              0x10
	#define GX_LOAD_INDX_A              0x20
	#define GX_LOAD_INDX_B              0x28
	#define GX_LOAD_INDX_C              0x30
	#define GX_LOAD_INDX_D              0x38

	#define GX_CMD_CALL_DL              0x40
	#define GX_CMD_INVL_VC              0x48

	#define GX_PRIMITIVE_MASK           0x38
	#define GX_PRIMITIVE_SHIFT          3
	#define GX_VAT_MASK                 0x07

	// These values are the values extracted using GX_PRIMITIVE_MASK
	// and GX_PRIMITIVE_SHIFT.
	// GX_DRAW_QUADS_2 behaves the same way as GX_DRAW_QUADS.
	#define GX_DRAW_QUADS               0x0   //0x80
	#define GX_DRAW_QUADS_2             0x1   //0x88
	#define GX_DRAW_TRIANGLES           0x2   //0x90
	#define GX_DRAW_TRIANGLE_STRIP      0x3   //0x98
	#define GX_DRAW_TRIANGLE_FAN        0x4   //0xA0
	#define GX_DRAW_LINES               0x5   //0xA8
	#define GX_DRAW_LINE_STRIP          0x6   //0xB0
	#define GX_DRAW_POINTS              0x7   //0xB8

	void Init();

	void ResetDecoding();

	bool CommandRunnable(u32 iBufferSize);

	void Run(u32 iBufferSize);

	void DoState(PointerWrap &p);
}