Re: [Chromium-dev] SPU compile problem

[Brian P. <bri...@tu...>]

=CD=A2=BF=A1 =D1=EE wrote:
>   I write a SPU called warpvertexspu to warp the image by a Cg program.=
=20
> In the warpvertexspu.h,
> I  include the cg.h and cgGL.h and in warpvertexspu_init.c and=20
> warpvertexspu.c I call cg and cgGL functions. But after I compile the=20
> source by adding -lCgGL and -lCg to the LDFLAGS variable in the=20
> makefile, when I use the warpvertexspu.so , It says "DLL could find/ope=
n=20
> the warpvertexspu.so". But if I comment the cg and cgGL functions in th=
e=20
> warpvertexspu.c and keep the cg functions in the warpvertexspu_init.c,=20
> after compile the SPU can work well.
> the warpvertexspu.c:
>=20
> #include <stdio.h>
> #include "cr_spu.h"
> #include "warpvertexspu.h"
>=20
>=20
> static void WARPVERTEXSPU_APIENTRY warpvertexBegin(GLenum mode)
> {
>    if(WarpParam!=3DNULL)
>          cgGLSetMatrixParameterfc(WarpParam,WarpM);
>     if(ModelViewProjParam!=3DNULL)
>         cgGLSetStateMatrixParameter(ModelViewProjParam,
>                               CG_GL_MODELVIEW_PROJECTION_MATRIX,
>                               CG_GL_MATRIX_IDENTITY);
>     cgGLEnableProfile(profile);
>     warpvertex_spu.super.Begin(mode);
> }
>=20
> static void WARPVERTEXSPU_APIENTRY warpvertexEnd(void)
> {
>     warpvertex_spu.super.End();
>     cgGLDisableProfile(profile);
> }
> SPUNamedFunctionTable _cr_warpvertex_table[] =3D {
>       { "Begin",   (SPUGenericFunction)warpvertexBegin },
>       { "End",     (SPUGenericFunction)warpvertexEnd   },
>       { NULL, NULL }
> };
>=20
> I don't know why  calling cg functions in the warpvertexspu_int.c can=20
> work well but calling in the warpvertexspu.c cannot work. Maybe there i=
s=20
> something wrong with the makefile.could you give me some help?
> Thanks very much!

Try running 'ldd libwarpvertex.so'.  There may be some unresolved=20
dependencies.

-Brian