func uploadGeometry(mesh *geometry) { gl.GenVertexArrays(1, &mesh.glVao) gl.BindVertexArray(mesh.glVao) gl.GenBuffers(1, &mesh.glVertBuf) gl.BindBuffer(gl.ARRAY_BUFFER, mesh.glVertBuf) gl.EnableVertexAttribArray(progPosAttrLoc) gl.VertexAttribPointer(progPosAttrLoc, 3, gl.FLOAT, gl.FALSE, 0, gl.Ptr(nil)) gl.BufferData(gl.ARRAY_BUFFER, gl.Sizeiptr(4*len(mesh.glVerts)), gl.Ptr(&mesh.glVerts[0]), gl.STATIC_DRAW) gl.BindBuffer(gl.ARRAY_BUFFER, 0) gl.BindVertexArray(0) }
// Binds this buffer object to its current GlTarget. func (me *Buffer) Bind() { gl.BindBuffer(me.GlTarget, me.GlHandle) }
// Unbinds whatever buffer object is currently bound to me.GlTarget. func (me *Buffer) Unbind() { gl.BindBuffer(me.GlTarget, 0) }