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nv2a: Prevent NaN in specular power factor calculation

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This commit is contained in:
Erik Abair
2025-05-20 13:02:00 -07:00
committed by mborgerson
parent ce936bccdd
commit 8667193001
1 changed files with 1 additions and 1 deletions
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hw/xbox/nv2a/pgraph/glsl/vsh-ff.c
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@ -358,7 +358,7 @@ GLSL_DEFINE(materialEmissionColor, GLSL_LTCTXA(NV_IGRAPH_XF_LTCTXA_CM_COL) ".xyz
mstring_append_fmt(body,
" float pf;\n"
" if (nDotVP == 0.0) {\n"
" if (nDotVP == 0.0 || nDotHV == 0.0) {\n"
" pf = 0.0;\n"
" } else {\n"
" pf = pow(nDotHV, specularPower);\n"