BS版本 1.4

yzt

2023-05-26 de4278af2fd46705a40bac58ec01122db6b7f3d7

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uniform highp sampler2D u_depthTexture;
 
varying vec2 v_textureCoordinates;
 
void main()
{
    gl_FragColor = czm_packDepth(texture2D(u_depthTexture, v_textureCoordinates).r);
}