TmMolStar/src/mol-gl/shader/points.vert.ts

/**
 * Copyright (c) 2018-2021 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 */

export const points_vert = `
precision highp float;
precision highp int;

#include common
#include read_from_texture
#include common_vert_params
#include color_vert_params
#include size_vert_params
#include common_clip

uniform float uPixelRatio;
uniform vec4 uViewport;

attribute vec3 aPosition;
attribute mat4 aTransform;
attribute float aInstance;
attribute float aGroup;

void main(){
    #include assign_group
    #include assign_color_varying
    #include assign_marker_varying
    #include assign_clipping_varying
    #include assign_position
    #include assign_size

    #ifdef dPointSizeAttenuation
        gl_PointSize = size * uPixelRatio * ((uViewport.w / 2.0) / -mvPosition.z) * 5.0;
    #else
        gl_PointSize = size * uPixelRatio;
    #endif
    gl_PointSize = max(1.0, gl_PointSize);

    gl_Position = uProjection * mvPosition;

    #include clip_instance
}
`;