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49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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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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#pragma once
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#include "Common/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 Init();
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static void Start(u16 *Indexptr);
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static void AddIndices(int primitive, u32 numVertices);
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// returns numprimitives
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static u32 GetNumVerts() {return base_index;}
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static u32 GetIndexLen() {return (u32)(index_buffer_current - BASEIptr);}
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static u32 GetRemainingIndices();
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private:
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// Triangles
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template <bool pr> static u16* AddList(u16 *Iptr, u32 numVerts, u32 index);
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template <bool pr> static u16* AddStrip(u16 *Iptr, u32 numVerts, u32 index);
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template <bool pr> static u16* AddFan(u16 *Iptr, u32 numVerts, u32 index);
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template <bool pr> static u16* AddQuads(u16 *Iptr, u32 numVerts, u32 index);
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template <bool pr> static u16* AddQuads_nonstandard(u16 *Iptr, u32 numVerts, u32 index);
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// Lines
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static u16* AddLineList(u16 *Iptr, u32 numVerts, u32 index);
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static u16* AddLineStrip(u16 *Iptr, u32 numVerts, u32 index);
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// Points
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static u16* AddPoints(u16 *Iptr, u32 numVerts, u32 index);
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template <bool pr> static u16* WriteTriangle(u16 *Iptr, u32 index1, u32 index2, u32 index3);
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static u16 *index_buffer_current;
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static u16 *BASEIptr;
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static u32 base_index;
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};
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