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VideoCommon: merge triangle+list+point index buffers

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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.
This commit is contained in:
degasus
2014-01-15 21:44:46 +01:00
parent 770485ad04
commit 6b01839525
7 changed files with 133 additions and 175 deletions
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22
Source/Core/VideoCommon/IndexGenerator.h
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@ -14,21 +14,17 @@ class IndexGenerator
public:
// Init
static void Init();
static void Start(u16 *Triangleptr,u16 *Lineptr,u16 *Pointptr);
static void Start(u16 *Indexptr);
static void AddIndices(int primitive, u32 numVertices);
// Interface
static u32 GetNumTriangles() {return numT;}
static u32 GetNumLines() {return numL;}
static u32 GetNumPoints() {return numP;}
static u32 GetNumIndices() {return numI;}
// returns numprimitives
static u32 GetNumVerts() {return index;}
static u32 GetTriangleindexLen() {return (u32)(Tptr - BASETptr);}
static u32 GetLineindexLen() {return (u32)(Lptr - BASELptr);}
static u32 GetPointindexLen() {return (u32)(Pptr - BASEPptr);}
static u32 GetIndexLen() {return (u32)(Iptr - BASEIptr);}
static u32 GetRemainingIndices();
/*
@ -56,16 +52,10 @@ private:
template <bool pr> static void WriteTriangle(u32 index1, u32 index2, u32 index3);
static u16 *Tptr;
static u16 *BASETptr;
static u16 *Lptr;
static u16 *BASELptr;
static u16 *Pptr;
static u16 *BASEPptr;
static u16 *Iptr;
static u16 *BASEIptr;
// TODO: redundant variables
static u32 numT;
static u32 numL;
static u32 numP;
static u32 numI;
static u32 index;
};