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Cycles: Avoid crash when accessing non-existing volume attribute

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This commit is contained in:
Sergey Sharybin
2016-04-12 13:02:05 +02:00
parent f636b8bfc0
commit 19539c50c9
1 changed files with 11 additions and 4 deletions
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15
intern/cycles/blender/blender_session.cpp
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@@ -1077,8 +1077,8 @@ void BlenderSession::builtin_image_info(const string &builtin_name, void *builti
{
/* empty image */
is_float = false;
width = 0;
height = 0;
width = 1;
height = 1;
depth = 0;
channels = 0;
@@ -1105,6 +1105,10 @@ void BlenderSession::builtin_image_info(const string &builtin_name, void *builti
BL::Object b_ob(b_id);
BL::SmokeDomainSettings b_domain = object_smoke_domain_find(b_ob);
is_float = true;
depth = 1;
channels = 1;
if(!b_domain)
return;
@@ -1122,8 +1126,6 @@ void BlenderSession::builtin_image_info(const string &builtin_name, void *builti
width = resolution.x * amplify;
height = resolution.y * amplify;
depth = resolution.z * amplify;
is_float = true;
}
else {
/* TODO(sergey): Check we're indeed in shader node tree. */
@@ -1276,6 +1278,11 @@ bool BlenderSession::builtin_image_float_pixels(const string &builtin_name, void
return true;
}
}
else {
fprintf(stderr, "Cycles error: unknown volume attribute, skipping\n");
pixels[0] = 0.0f;
return false;
}
fprintf(stderr, "Cycles error: unexpected smoke volume resolution, skipping\n");
}