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Fixed a division by 0 in setup_light that occurs with range is zero.

This commit is contained in:
Oliver Stieber 2005-07-15 16:32:25 +00:00 committed by Alexandre Julliard
parent 567b6facab
commit 41718267be
1 changed files with 6 additions and 1 deletions
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7
dlls/wined3d/device.c
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@ -156,7 +156,12 @@ static void setup_light(IWineD3DDevice *iface, LONG Index, PLIGHTINFOEL *lightIn
glLightf(GL_LIGHT0+Index, GL_LINEAR_ATTENUATION, lightInfo->OriginalParms.Attenuation1);
checkGLcall("glLightf");
quad_att = 1.4/(lightInfo->OriginalParms.Range*lightInfo->OriginalParms.Range);
if ((lightInfo->OriginalParms.Range * lightInfo->OriginalParms.Range) != 0 ) {
quad_att = 1.4/(lightInfo->OriginalParms.Range*lightInfo->OriginalParms.Range);
} else {
quad_att = 0; /* 0 or MAX? (0 seems to be ok) */
}
if (quad_att < lightInfo->OriginalParms.Attenuation2) quad_att = lightInfo->OriginalParms.Attenuation2;
glLightf(GL_LIGHT0+Index, GL_QUADRATIC_ATTENUATION, quad_att);
checkGLcall("glLightf");