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Clamp shininess to 0 to avoid a GL error when negative shininess was entered

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rdb 2016-01-02 21:48:25 +01:00
parent 8eab20a6c1
commit 6a2e1a438c
1 changed files with 1 additions and 1 deletions
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panda/src/glstuff/glGraphicsStateGuardian_src.cxx
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@ -6428,7 +6428,7 @@ do_issue_material() {
call_glMaterialfv(face, GL_SPECULAR, material->get_specular()); call_glMaterialfv(face, GL_SPECULAR, material->get_specular());
call_glMaterialfv(face, GL_EMISSION, material->get_emission()); call_glMaterialfv(face, GL_EMISSION, material->get_emission());
glMaterialf(face, GL_SHININESS, min(material->get_shininess(), (PN_stdfloat)128.0)); glMaterialf(face, GL_SHININESS, max(min(material->get_shininess(), (PN_stdfloat)128), (PN_stdfloat)0));
if (material->has_ambient() && material->has_diffuse()) { if (material->has_ambient() && material->has_diffuse()) {
// The material has both an ambient and diffuse specified. This // The material has both an ambient and diffuse specified. This