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52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
// Copyright 2008 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>
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static u16* AddList(u16* Iptr, u32 numVerts, u32 index);
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template <bool pr>
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static u16* AddStrip(u16* Iptr, u32 numVerts, u32 index);
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template <bool pr>
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static u16* AddFan(u16* Iptr, u32 numVerts, u32 index);
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template <bool pr>
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static u16* AddQuads(u16* Iptr, u32 numVerts, u32 index);
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template <bool pr>
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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>
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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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