def _render_buffer(cfg, w, h):
n = w * h
data = array.array('B', [i * 255 // n for i in range(n)])
buf = ngl.BufferUByte(data=data)
texture = ngl.Texture2D(width=w, height=h, data_src=buf)
program = ngl.Program(vertex=cfg.get_vert('texture'),
fragment=cfg.get_frag('texture'))
render = ngl.Render(ngl.Quad(), program)
render.update_textures(tex0=texture)
return render
def _render_buffer(cfg, w, h):
n = w * h
data = array.array('B', [i * 255 // n for i in range(n)])
buf = ngl.BufferUByte(data=data)
texture = ngl.Texture2D(width=w, height=h, data_src=buf)
program = ngl.Program(vertex=cfg.get_vert('texture'),
fragment=_RENDER_BUFFER_FRAG)
program.update_vert_out_vars(var_tex0_coord=ngl.IOVec2(),
var_uvcoord=ngl.IOVec2())
render = ngl.Render(ngl.Quad(), program)
render.update_frag_resources(tex0=texture)
return render