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OpenGL2: Really obvious optimization to previous commit.

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SmileTheory 2014-05-27 20:52:36 -07:00
parent 318d45cff5
commit 9efaf819dc
1 changed files with 18 additions and 21 deletions
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39
code/renderergl2/tr_model.c
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@ -598,15 +598,10 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
#ifdef USE_VERT_TANGENT_SPACE
// calc tangent spaces
{
vec3_t *sdirs, *tdirs;
sdirs = ri.Malloc(sizeof(*sdirs) * surf->numVerts * mdvModel->numFrames);
tdirs = ri.Malloc(sizeof(*tdirs) * surf->numVerts * mdvModel->numFrames);
for (j = 0; j < (surf->numVerts * mdvModel->numFrames); j++)
for(j = 0, v = surf->verts; j < (surf->numVerts * mdvModel->numFrames); j++, v++)
{
VectorSet(sdirs[j], 0.0f, 0.0f, 0.0f);
VectorSet(tdirs[j], 0.0f, 0.0f, 0.0f);
VectorClear(v->tangent);
VectorClear(v->bitangent);
}
for(f = 0; f < mdvModel->numFrames; f++)
@ -630,26 +625,28 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
t2 = surf->st[tri[2]].st;
R_CalcTexDirs(sdir, tdir, v0, v1, v2, t0, t1, t2);
VectorAdd(sdir, sdirs[index0], sdirs[index0]);
VectorAdd(sdir, sdirs[index1], sdirs[index1]);
VectorAdd(sdir, sdirs[index2], sdirs[index2]);
VectorAdd(tdir, tdirs[index0], tdirs[index0]);
VectorAdd(tdir, tdirs[index1], tdirs[index1]);
VectorAdd(tdir, tdirs[index2], tdirs[index2]);
VectorAdd(sdir, surf->verts[index0].tangent, surf->verts[index0].tangent);
VectorAdd(sdir, surf->verts[index1].tangent, surf->verts[index1].tangent);
VectorAdd(sdir, surf->verts[index2].tangent, surf->verts[index2].tangent);
VectorAdd(tdir, surf->verts[index0].bitangent, surf->verts[index0].bitangent);
VectorAdd(tdir, surf->verts[index1].bitangent, surf->verts[index1].bitangent);
VectorAdd(tdir, surf->verts[index2].bitangent, surf->verts[index2].bitangent);
}
}
for(j = 0, v = surf->verts; j < (surf->numVerts * mdvModel->numFrames); j++, v++)
{
VectorNormalize(sdirs[j]);
VectorNormalize(tdirs[j]);
vec3_t sdir, tdir;
R_CalcTbnFromNormalAndTexDirs(v->tangent, v->bitangent, v->normal, sdirs[j], tdirs[j]);
VectorCopy(v->tangent, sdir);
VectorCopy(v->bitangent, tdir);
VectorNormalize(sdir);
VectorNormalize(tdir);
R_CalcTbnFromNormalAndTexDirs(v->tangent, v->bitangent, v->normal, sdir, tdir);
}
ri.Free(sdirs);
ri.Free(tdirs);
}
#endif