dolphin/Source/Core/VideoCommon/Src/IndexGenerator.h

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// Copyright (C) 2003 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/
// This is currently only used by the DX backend, but it may make sense to
// use it in the GL backend or a future DX10 backend too.
#ifndef _INDEXGENERATOR_H
#define _INDEXGENERATOR_H
#include "CommonTypes.h"
class IndexGenerator
{
public:
//Init
static void Start(u16 *Triangleptr,u16 *Lineptr,u16 *Pointptr);
//Triangles
static void AddList(int numVerts);
static void AddStrip(int numVerts);
static void AddFan(int numVerts);
static void AddQuads(int numVerts);
//Lines
static void AddLineList(int numVerts);
static void AddLineStrip(int numVerts);
//Points
static void AddPoints(int numVerts);
//Interface
static int GetNumTriangles() {used = true; return numT;}
static int GetNumLines() {used = true;return numL;}
static int GetNumPoints() {used = true;return numP;}
static int GetNumVerts() {return index;} //returns numprimitives
static int GetNumAdds() {return Tadds + Ladds + Padds;}
static int GetTriangleindexLen() {return (int)(Tptr - BASETptr);}
static int GetLineindexLen() {return (int)(Lptr - BASELptr);}
static int GetPointindexLen() {return (int)(Pptr - BASEPptr);}
enum IndexPrimitiveType
{
Prim_None = 0,
Prim_List,
Prim_Strip,
Prim_Fan
} ;
private:
static u16 *Tptr;
static u16 *BASETptr;
static u16 *Lptr;
static u16 *BASELptr;
static u16 *Pptr;
static u16 *BASEPptr;
static int numT;
static int numL;
static int numP;
static int index;
static int Tadds;
static int Ladds;
static int Padds;
static IndexPrimitiveType LastTPrimitive;
static IndexPrimitiveType LastLPrimitive;
static bool used;
};
#endif // _INDEXGENERATOR_H