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fix tetraclip on gl_ClipVertex fallback

master
Lee Salzman 2013-02-08 00:47:07 +02:00
parent 1acdf5275e
commit ca508a248f
1 changed files with 15 additions and 17 deletions
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32
src/engine/renderlights.cpp
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@ -3279,28 +3279,26 @@ void rendershadowmaps()
if(smtetraclip) glEnable(GL_CLIP_PLANE0);
}
if(smtetraclip)
{
plane tetraclip(-tetrashadowviewmatrix[side][2]/smprojmatrix[0],
-tetrashadowviewmatrix[side][6]/smprojmatrix[5],
smtetraborder/(0.5f*sm.size)/smprojmatrix[14],
smtetraborder/(0.5f*sm.size)/smprojmatrix[14]*-smprojmatrix[10]/smprojmatrix[11]);
if(glslversion >= 130) GLOBALPARAM(tetraclip, (tetraclip));
else
{
glLoadIdentity();
GLdouble clipplane[4] = { tetraclip.x, tetraclip.y, tetraclip.z, tetraclip.offset };
glClipPlane(GL_CLIP_PLANE0, clipplane);
}
}
smviewmatrix.mul(tetrashadowviewmatrix[side], lightmatrix);
glLoadMatrixf(smviewmatrix.v);
glCullFace((side>>1) ^ smcullside ? GL_BACK : GL_FRONT);
if(smtetraclip)
{
if(glslversion >= 130)
{
plane tetraclip(-tetrashadowviewmatrix[side][2]/smprojmatrix[0],
-tetrashadowviewmatrix[side][6]/smprojmatrix[5],
smtetraborder/(0.5f*sm.size)/smprojmatrix[14],
smtetraborder/(0.5f*sm.size)/smprojmatrix[14]*-smprojmatrix[10]/smprojmatrix[11]);
GLOBALPARAM(tetraclip, (tetraclip));
}
else
{
GLdouble tetraclip[4] = { -smviewmatrix.v[2], -smviewmatrix.v[6], 0, l.o.x*smviewmatrix.v[2] + l.o.y*smviewmatrix.v[6] + smtetraborder/(0.5f*smsize) };
glClipPlane(GL_CLIP_PLANE0, tetraclip);
}
}
shadowside = side;
if(mesh) rendershadowmesh(mesh); else rendershadowmapworld();