[ruby-opengl-devel] dynamic loading + fixes
jan.dvorak at kraxnet.cz
Tue Feb 27 17:30:35 EST 2007
And following up, with 1.5 functionality.
The VBO (vertex buffer object) mapping is read-only, as glMapBuffer returns
pointer to driver memory which should be directly modified by client program,
which can't be elegantly done in Ruby - so Gl.glMapBuffer makes copy of the
memory chunk and returns it as classical string. (Users still have to call
Gl.glUnmapBuffer afterwards. ). For this reason, Gl.glGetBufferPointerv also
returns 'nil' regardless of whatever is mapped.
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