[Bf-cycles] OSL problems in OSX

[Dalai Felinto]

Hi Brecht,

Building llvm and osl with RTTI doesn't change anything (and is a pita ;)

The class/struct inconsistency was fixed/committed, but doesn't do much
other than remove some warnings.

Thanks,
Dalai
 On Sep 5, 2012 5:39 AM, "Jens Verwiebe" <info at jensverwiebe.de> wrote:

> I did some analysing and found ambiguos stuff:
> http://www.pasteall.org/34979
>
> Jens
>
> Am 05.09.2012 um 12:26 schrieb Brecht Van Lommel <
> brechtvanlommel at pandora.be>:
>
> Could this perhaps be related to RTTI? That can influence class size.
> It seems RTTI was disabled in CMake but not in SCons.
>
> Brecht.
>
> On Tue, Sep 4, 2012 at 11:43 PM, Dalai Felinto <dfelinto at gmail.com> wrote:
>
> Hi there,
>
> I'm helping Jens to get OSL 1.2 to work on OSX as well. OSL is
> building and Blender builds as well. However we are now stumbling into
> a strange problem.
>
> When rendering with OSL we get the errors:
> http://www.pasteall.org/34953
> * note, Parameter 1 is the first parameter of the array (index 0)
>
>
> The error comes from the register_closure() function in the OSL source
> code, see below:
>
> //OpenShadingLanguage/src/liboslexec/shadingsys.cpp :~507
> void ShadingSystemImpl::register_closure(...) {
>    for (int i = 0; params && params[i].type != TypeDesc(); ++i) {
>        if (params[i].key == NULL && params[i].type.size() !=
> (size_t)params[i].field_size) {
>            error ("Parameter %d of '%s' closure is assigned to a
> field of incompatible size", i + 1, name);
>
>
> This function is called from //intern/cycles/kernel/osl/osl_closures.cpp:62
>    ss->register_closure(name, id, params, prepare,
> generic_closure_setup, generic_closure_compare);
>
> A breakpoint to this line and found out that the value of params[0] is
> indeed problematic:
> Basically params[0].type.size() is zero, while params[0].field_size is 12:
> http://www.pasteall.org/34955
>
>
> In Linux this is working though. Does anyone has any clues on what is
> going wrong here?
> If someone has a Linux debug of Blender with OSL could you please:
>
> b osl_closures.cpp:62
> r
> [in blender, render something ... it will get back to the debugger]
> p params[0]
> p params[0].type.size()
> p params[0].field_size
>
> Thanks,
> Dalai
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>
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