When I use 1st line in prototypes, compiler fails because SDL_GL_GetProcA ddress return (void*)
When I use 2nd line in prototypes, compiler fails in last line because (void*) is not a function prototype.
So, what cast I must use?
Can you rewrite these 3 lines correctly?
With 1st line in prototypes, I used:
glCompressedTex Image2DARB =
(void (*glCompressedT exImage2DARB)
(GLenum, GLint, GLenum, GLsizei, GLsizei, GLint, GLsizei, const void*))
SDL_GL_GetProcA ddress("glCompr essedTexImage2D ARB");
but it does not work
-------------------------------------------------------------------------
//prototypes
void (*glCompressedT exImage2DARB) (GLenum, GLint, GLenum, GLsizei, GLsizei, GLint, GLsizei, const void*);
//void *glCompressedTe xImage2DARB;
//load function
glCompressedTex Image2DARB = SDL_GL_GetProcA ddress("glCompr essedTexImage2D ARB");
//use function
glCompressedTex Image2DARB(GL_T EXTURE_2D, z, dxt_f, width, height, 0, size, (byte*) tex + offset);
1  2910 
<- Chameleon -> wrote: When I use 1st line in prototypes, compiler fails because SDL_GL_GetProcA ddress return (void*)
When I use 2nd line in prototypes, compiler fails in last line because (void*) is not a function prototype.
So, what cast I must use?
Can you rewrite these 3 lines correctly?
With 1st line in prototypes, I used:
glCompressedTex Image2DARB =
(void (*glCompressedT exImage2DARB)
(GLenum, GLint, GLenum, GLsizei, GLsizei, GLint, GLsizei, const void*))
SDL_GL_GetProcA ddress("glCompr essedTexImage2D ARB");
but it does not work
-------------------------------------------------------------------------
//prototypes
void (*glCompressedT exImage2DARB) (GLenum, GLint, GLenum, GLsizei, GLsizei, GLint, GLsizei, const void*);
//void *glCompressedTe xImage2DARB;
//load function
glCompressedTex Image2DARB = SDL_GL_GetProcA ddress("glCompr essedTexImage2D ARB");
glCompressedTex Image2DARB = reinterpret_cas t<void (*)(GLenum ,GLint,
GLenum, Glsizei, const void
*)>(SDL_GL_GetP rocAddress("glC ompressedTexIma ge2DARB"));
//use function
glCompressedTex Image2DARB(GL_T EXTURE_2D, z, dxt_f, width, height, 0, size, (byte*) tex + offset);
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