result = vec4(samp, 1.0);
}
"""
target['color'].set_minfilter(Texture.FT_nearest)
target['color'].set_magfilter(Texture.FT_nearest)
target['color'].set_wrap_u(Texture.WM_border_color)
target['color'].set_wrap_v(Texture.WM_border_color)
target['color'].set_border_color(Vec4(1,0, 0, 1))
target.set_shader(Shader.make(Shader.SLGLSL, vertex_shader, fragment_shader))
target_stitch.set_shader(Shader.make(Shader.SLGLSL, vertex_shader, stitch_frag))
target_stitch.set_shader_input("SourceTex", target["color"])
base.graphicsEngine.render_frame()
k = target_stitch['color']
base.graphicsEngine.extractTextureData(k, base.win.get_gsg())
p = PNMImage()
k.store(p)
p.set_num_channels(1)
p.write("NormalQuantizationTex-" + str(mip) + ".png")
mip += 1
TEXTURE_SIZE //= 2
