83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
// Copyright (C) 2003 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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// This is currently only used by the DX backend, but it may make sense to
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// use it in the GL backend or a future DX10 backend too.
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#ifndef _INDEXGENERATOR_H
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#define _INDEXGENERATOR_H
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#include "CommonTypes.h"
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class IndexGenerator
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{
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public:
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// Init
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static void Start(u16 *Triangleptr,u16 *Lineptr,u16 *Pointptr);
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static void AddIndices(int primitive, u32 numVertices);
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// Interface
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static u32 GetNumTriangles() {return numT;}
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static u32 GetNumLines() {return numL;}
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static u32 GetNumPoints() {return numP;}
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// returns numprimitives
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static u32 GetNumVerts() {return index;}
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static u32 GetTriangleindexLen() {return (u32)(Tptr - BASETptr);}
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static u32 GetLineindexLen() {return (u32)(Lptr - BASELptr);}
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static u32 GetPointindexLen() {return (u32)(Pptr - BASEPptr);}
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/*
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enum IndexPrimitiveType
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{
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Prim_None = 0,
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Prim_List,
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Prim_Strip,
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Prim_Fan
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};
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*/
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private:
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// Triangles
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static void AddList(u32 numVerts);
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static void AddStrip(u32 numVerts);
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static void AddFan(u32 numVerts);
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static void AddQuads(u32 numVerts);
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// Lines
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static void AddLineList(u32 numVerts);
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static void AddLineStrip(u32 numVerts);
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// Points
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static void AddPoints(u32 numVerts);
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static void WriteTriangle(u32 index1, u32 index2, u32 index3);
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static u16 *Tptr;
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static u16 *BASETptr;
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static u16 *Lptr;
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static u16 *BASELptr;
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static u16 *Pptr;
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static u16 *BASEPptr;
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// TODO: redundant variables
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static u32 numT;
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static u32 numL;
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static u32 numP;
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static u32 index;
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};
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#endif // _INDEXGENERATOR_H
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