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Do special handling of texture coordinate generation if there is only a position and texture coordinate present.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4801 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
donkopunchstania 2010-01-11 00:44:40 +00:00
parent 175162e661
commit a19be73be3
5 changed files with 73 additions and 30 deletions
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54
Source/Plugins/Plugin_VideoSoftware/Src/TransformUnit.cpp
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@ -109,7 +109,7 @@ void TransformNormal(const InputVertexData *src, bool nbt, OutputVertexData *dst
}
}
inline void TransformTexCoordRegular(const TexMtxInfo &texinfo, int coordNum, const InputVertexData *srcVertex, OutputVertexData *dstVertex)
inline void TransformTexCoordRegular(const TexMtxInfo &texinfo, int coordNum, bool specialCase, const InputVertexData *srcVertex, OutputVertexData *dstVertex)
{
const float *src;
switch (texinfo.sourcerow)
@ -150,23 +150,39 @@ inline void TransformTexCoordRegular(const TexMtxInfo &texinfo, int coordNum, co
// normalize
const PostMtxInfo &postInfo = xfregs.postMtxInfo[coordNum];
if (postInfo.normalize)
{
float length = sqrtf(dst[0] * dst[0] + dst[1] * dst[1] + dst[2] * dst[2]);
float invL = 1.0f / length;
tempCoord[0] = invL * dst[0];
tempCoord[1] = invL * dst[1];
tempCoord[2] = invL * dst[2];
}
else
{
tempCoord[0] = dst[0];
tempCoord[1] = dst[1];
tempCoord[2] = dst[2];
}
const float *postMat = (const float*)&xfregs.postMatrices[postInfo.index * 4];
const float *postMat = (const float*)&xfregs.postMatrices[postInfo.index * 4];
MultiplyVec3Mat34(tempCoord, postMat, dst);
if (specialCase)
{
// no normalization
// q of input is 1
// q of output is unknown
tempCoord[0] = dst[0];
tempCoord[1] = dst[1];
dst[0] = postMat[0] * tempCoord[0] + postMat[1] * tempCoord[1] + postMat[2] + postMat[3];
dst[1] = postMat[4] * tempCoord[0] + postMat[5] * tempCoord[1] + postMat[6] + postMat[7];
dst[2] = 0.0f;
}
else
{
if (postInfo.normalize)
{
float length = sqrtf(dst[0] * dst[0] + dst[1] * dst[1] + dst[2] * dst[2]);
float invL = 1.0f / length;
tempCoord[0] = invL * dst[0];
tempCoord[1] = invL * dst[1];
tempCoord[2] = invL * dst[2];
}
else
{
tempCoord[0] = dst[0];
tempCoord[1] = dst[1];
tempCoord[2] = dst[2];
}
MultiplyVec3Mat34(tempCoord, postMat, dst);
}
}
}
@ -443,7 +459,7 @@ void TransformColor(const InputVertexData *src, OutputVertexData *dst)
}
}
void TransformTexCoord(const InputVertexData *src, OutputVertexData *dst)
void TransformTexCoord(const InputVertexData *src, OutputVertexData *dst, bool specialCase)
{
for (u32 coordNum = 0; coordNum < xfregs.numTexGens; coordNum++)
{
@ -452,7 +468,7 @@ void TransformTexCoord(const InputVertexData *src, OutputVertexData *dst)
switch (texinfo.texgentype)
{
case XF_TEXGEN_REGULAR:
TransformTexCoordRegular(texinfo, coordNum, src, dst);
TransformTexCoordRegular(texinfo, coordNum, specialCase, src, dst);
break;
case XF_TEXGEN_EMBOSS_MAP:
{