VertexCompare Struct Reference

Public Member Functions
bool	operator() (const GFXVertex *a, const GFXVertex *b) const

Detailed Description

Definition at line 43 of file gl_vertex_list.cpp.

Member Function Documentation

bool VertexCompare::operator() ( const GFXVertex *  a, const GFXVertex *  b  ) const

inline

Definition at line 45 of file gl_vertex_list.cpp.

References a, b, and i.

    {
        if ((sizeof(GFXVertex) % sizeof(unsigned int)) != 0) {
            return memcmp( a, b, sizeof (GFXVertex) ) < 0;
        } else {
            // faster memcmp, since it gets unrolled by the compiler
            const unsigned int *ia = reinterpret_cast<const unsigned int*>(a);
            const unsigned int *ib = reinterpret_cast<const unsigned int*>(b);
            
            for (size_t i=0; i < (sizeof(*a) / sizeof(*ia)); ++i) {
                if (ia[i] < ib[i])
                    return true;
                else if (ia[i] > ib[i])
                    return false;
            }
            
            return false;
        }
    }

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The documentation for this struct was generated from the following file:

• src/gldrv/gl_vertex_list.cpp