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6b01839525
We are used to render them out of order as long as everything else matches, but rendering order does matter, so we have to flush on primitive switch. This commit implements this flush. Also as we flush on primitive switch, we don't have to create three different index buffers. All indices are now stored in one buffer. This will slow down games which switch often primitive types (eg ztp), but it should be more accurate.
63 lines
1.4 KiB
C++
63 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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#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 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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// Interface
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static u32 GetNumIndices() {return numI;}
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// returns numprimitives
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static u32 GetNumVerts() {return index;}
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static u32 GetIndexLen() {return (u32)(Iptr - BASEIptr);}
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static u32 GetRemainingIndices();
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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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template <bool pr> static void AddList(u32 numVerts);
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template <bool pr> static void AddStrip(u32 numVerts);
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template <bool pr> static void AddFan(u32 numVerts);
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template <bool pr> 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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template <bool pr> static void WriteTriangle(u32 index1, u32 index2, u32 index3);
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static u16 *Iptr;
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static u16 *BASEIptr;
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// TODO: redundant variables
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static u32 numI;
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static u32 index;
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};
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#endif // _INDEXGENERATOR_H
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