pixi.js/lib/scene/text/sdfShader/shader-bits/localUniformMSDFBit.mjs

PixiJS — The HTML5 Creation Engine =============

"use strict";
const localUniformMSDFBit = {
  name: "local-uniform-msdf-bit",
  vertex: {
    header: (
      /* wgsl */
      `
            struct LocalUniforms {
                uColor:vec4<f32>,
                uTransformMatrix:mat3x3<f32>,
                uDistance: f32,
                uRound:f32,
            }

            @group(2) @binding(0) var<uniform> localUniforms : LocalUniforms;
        `
    ),
    main: (
      /* wgsl */
      `
            vColor *= localUniforms.uColor;
            modelMatrix *= localUniforms.uTransformMatrix;
        `
    ),
    end: (
      /* wgsl */
      `
            if(localUniforms.uRound == 1)
            {
                vPosition = vec4(roundPixels(vPosition.xy, globalUniforms.uResolution), vPosition.zw);
            }
        `
    )
  },
  fragment: {
    header: (
      /* wgsl */
      `
            struct LocalUniforms {
                uColor:vec4<f32>,
                uTransformMatrix:mat3x3<f32>,
                uDistance: f32
            }

            @group(2) @binding(0) var<uniform> localUniforms : LocalUniforms;
         `
    ),
    main: (
      /* wgsl */
      ` 
            outColor = vec4<f32>(calculateMSDFAlpha(outColor, localUniforms.uColor, localUniforms.uDistance));
        `
    )
  }
};
const localUniformMSDFBitGl = {
  name: "local-uniform-msdf-bit",
  vertex: {
    header: (
      /* glsl */
      `
            uniform mat3 uTransformMatrix;
            uniform vec4 uColor;
            uniform float uRound;
        `
    ),
    main: (
      /* glsl */
      `
            vColor *= uColor;
            modelMatrix *= uTransformMatrix;
        `
    ),
    end: (
      /* glsl */
      `
            if(uRound == 1.)
            {
                gl_Position.xy = roundPixels(gl_Position.xy, uResolution);
            }
        `
    )
  },
  fragment: {
    header: (
      /* glsl */
      `
            uniform float uDistance;
         `
    ),
    main: (
      /* glsl */
      ` 
            outColor = vec4(calculateMSDFAlpha(outColor, vColor, uDistance));
        `
    )
  }
};

export { localUniformMSDFBit, localUniformMSDFBitGl };
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