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Let's try rodolfo's fix of 4322

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4343 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-09-29 18:27:41 +00:00
parent 4d5eba2ec9
commit e6b30e574e
3 changed files with 238 additions and 40 deletions
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149
Source/Core/VideoCommon/Src/IndexGenerator.cpp
View File

@ -145,3 +145,152 @@ void IndexGenerator::AddPoints(int numVerts)
numPrims += numVerts;
adds++;
}
//Init
void IndexGenerator2::Start(unsigned short *Triangleptr,unsigned short *Lineptr,unsigned short *Pointptr)
{
Tptr = Triangleptr;
Lptr = Lineptr;
Pptr = Pointptr;
index = 0;
numT = 0;
numL = 0;
numP = 0;
Tadds = 0;
Ladds = 0;
Padds = 0;
TindexLen = 0;
LindexLen = 0;
PindexLen = 0;
LastTPrimitive = None;
LastLPrimitive = None;
}
// Triangles
void IndexGenerator2::AddList(int numVerts)
{
int numTris = numVerts / 3;
if (numTris <= 0) return;
for (int i = 0; i < numTris; i++)
{
*Tptr++ = index+i*3;
*Tptr++ = index+i*3+1;
*Tptr++ = index+i*3+2;
}
TindexLen += numVerts;
index += numVerts;
numT += numTris;
Tadds++;
LastTPrimitive = List;
}
void IndexGenerator2::AddStrip(int numVerts)
{
int numTris = numVerts - 2;
if (numTris <= 0) return;
bool wind = false;
for (int i = 0; i < numTris; i++)
{
*Tptr++ = index+i;
*Tptr++ = index+i+(wind?2:1);
*Tptr++ = index+i+(wind?1:2);
wind = !wind;
}
TindexLen += numTris * 3;
index += numVerts;
numT += numTris;
Tadds++;
LastTPrimitive = Strip;
}
void IndexGenerator2::AddFan(int numVerts)
{
int numTris = numVerts - 2;
if (numTris <= 0) return;
for (int i = 0; i < numTris; i++)
{
*Tptr++ = index;
*Tptr++ = index+i+1;
*Tptr++ = index+i+2;
}
TindexLen += numTris * 3;
index += numVerts;
numT += numTris;
Tadds++;
LastTPrimitive = Fan;
}
void IndexGenerator2::AddQuads(int numVerts)
{
int numTris = (numVerts/4)*2;
if (numTris <= 0) return;
for (int i = 0; i < numTris / 2; i++)
{
*Tptr++ = index+i*4;
*Tptr++ = index+i*4+1;
*Tptr++ = index+i*4+3;
*Tptr++ = index+i*4+1;
*Tptr++ = index+i*4+2;
*Tptr++ = index+i*4+3;
}
TindexLen += numTris * 3;
index += numVerts;
numT += numTris;
Tadds++;
LastTPrimitive = List;
}
//Lines
void IndexGenerator2::AddLineList(int numVerts)
{
int numLines= numVerts / 2;
if (numLines <= 0) return;
for (int i = 0; i < numLines; i++)
{
*Lptr++ = index+i*2;
*Lptr++ = index+i*2+1;
}
LindexLen += numVerts;
index += numVerts;
numL += numLines;
Ladds++;
LastLPrimitive = List;
}
void IndexGenerator2::AddLineStrip(int numVerts)
{
int numLines = numVerts - 1;
if (numLines <= 0) return;
for (int i = 0; i < numLines; i++)
{
*Lptr++ = index+i;
*Lptr++ = index+i+1;
}
LindexLen += numLines * 2;
index += numVerts;
numL += numLines;
Ladds++;
LastLPrimitive = Strip;
}
//Points
void IndexGenerator2::AddPoints(int numVerts)
{
for (int i = 0; i < numVerts; i++)
{
*Pptr++ = index+i;
}
index += numVerts;
numP += numVerts;
PindexLen+=numVerts;
Padds++;
}

53
Source/Core/VideoCommon/Src/IndexGenerator.h
View File

@ -21,6 +21,8 @@
#ifndef _INDEXGENERATOR_H
#define _INDEXGENERATOR_H
class IndexGenerator
{
public:
@ -46,4 +48,55 @@ private:
bool onlyLists;
};
class IndexGenerator2
{
public:
//Init
void Start(unsigned short *Triangleptr,unsigned short *Lineptr,unsigned short *Pointptr);
//Triangles
void AddList(int numVerts);
void AddStrip(int numVerts);
void AddFan(int numVerts);
void AddQuads(int numVerts);
//Lines
void AddLineList(int numVerts);
void AddLineStrip(int numVerts);
//Points
void AddPoints(int numVerts);
//Interface
int GetNumTriangles() {return numT;}
int GetNumLines() {return numL;}
int GetNumPoints() {return numP;}
int GetNumVerts() {return index;} //returns numprimitives
int GetNumAdds() {return Tadds + Ladds + Padds;}
int GetTriangleindexLen() {return TindexLen;}
int GetLineindexLen() {return LindexLen;}
int GetPointindexLen() {return PindexLen;}
public:
enum IndexPrimitiveType
{
None,
List,
Strip,
Fan
};
private:
unsigned short *Tptr;
unsigned short *Lptr;
unsigned short *Pptr;
int numT;
int numL;
int numP;
int index;
int Tadds;
int Ladds;
int Padds;
int TindexLen;
int LindexLen;
int PindexLen;
IndexPrimitiveType LastTPrimitive;
IndexPrimitiveType LastLPrimitive;
};
#endif // _INDEXGENERATOR_H