示例#1
0
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)
}
示例#2
0
//	Calls gl.GenBuffers() and yields the err returned by Util.LastError(), if any.
func (_ GlTry) GenBuffers(n gl.Sizei, buffers *gl.Uint) (err error) {
	gl.GenBuffers(n, buffers)
	err = Util.LastError("gl.GenBuffers()")
	return
}