Esempio n. 1
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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)
}
Esempio n. 2
0
//	Calls gl.BufferData() and yields the err returned by Util.LastError(), if any.
func (_ GlTry) BufferData(target gl.Enum, size gl.Sizeiptr, data gl.Ptr, usage gl.Enum) (err error) {
	gl.BufferData(target, size, data, usage)
	err = Util.LastError("gl.BufferData()")
	return
}