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shader: default fog exponential density to 0 if fog is disabled

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rdb 2020-03-30 14:01:50 +02:00
parent 8672054e30
commit c81bfb09b7
1 changed files with 2 additions and 1 deletions
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3
panda/src/display/graphicsStateGuardian.cxx
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@ -1017,7 +1017,8 @@ fetch_specified_part(Shader::ShaderMatInput part, InternalName *name,
_target_rs->get_attrib_def(FogAttrib::get_class_slot());
Fog *fog = target_fog->get_fog();
if (fog == nullptr) {
return &LMatrix4::ones_mat();
t.set(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1);
return &t;
}
PN_stdfloat start, end;
fog->get_linear_range(start, end);