@pixi/core/lib/shader/utils/uniformParsers.mjs

Core PixiJS

const uniformParsers = [
  {
    test: (data) => data.type === "float" && data.size === 1 && !data.isArray,
    code: (name) => `
            if(uv["${name}"] !== ud["${name}"].value)
            {
                ud["${name}"].value = uv["${name}"]
                gl.uniform1f(ud["${name}"].location, uv["${name}"])
            }
            `
  },
  {
    test: (data, uniform) => (data.type === "sampler2D" || data.type === "samplerCube" || data.type === "sampler2DArray") && data.size === 1 && !data.isArray && (uniform == null || uniform.castToBaseTexture !== void 0),
    code: (name) => `t = syncData.textureCount++;

            renderer.texture.bind(uv["${name}"], t);

            if(ud["${name}"].value !== t)
            {
                ud["${name}"].value = t;
                gl.uniform1i(ud["${name}"].location, t);
; // eslint-disable-line max-len
            }`
  },
  {
    test: (data, uniform) => data.type === "mat3" && data.size === 1 && !data.isArray && uniform.a !== void 0,
    code: (name) => `
            gl.uniformMatrix3fv(ud["${name}"].location, false, uv["${name}"].toArray(true));
            `,
    codeUbo: (name) => `
                var ${name}_matrix = uv.${name}.toArray(true);

                data[offset] = ${name}_matrix[0];
                data[offset+1] = ${name}_matrix[1];
                data[offset+2] = ${name}_matrix[2];
        
                data[offset + 4] = ${name}_matrix[3];
                data[offset + 5] = ${name}_matrix[4];
                data[offset + 6] = ${name}_matrix[5];
        
                data[offset + 8] = ${name}_matrix[6];
                data[offset + 9] = ${name}_matrix[7];
                data[offset + 10] = ${name}_matrix[8];
            `
  },
  {
    test: (data, uniform) => data.type === "vec2" && data.size === 1 && !data.isArray && uniform.x !== void 0,
    code: (name) => `
                cv = ud["${name}"].value;
                v = uv["${name}"];

                if(cv[0] !== v.x || cv[1] !== v.y)
                {
                    cv[0] = v.x;
                    cv[1] = v.y;
                    gl.uniform2f(ud["${name}"].location, v.x, v.y);
                }`,
    codeUbo: (name) => `
                v = uv.${name};

                data[offset] = v.x;
                data[offset+1] = v.y;
            `
  },
  {
    test: (data) => data.type === "vec2" && data.size === 1 && !data.isArray,
    code: (name) => `
                cv = ud["${name}"].value;
                v = uv["${name}"];

                if(cv[0] !== v[0] || cv[1] !== v[1])
                {
                    cv[0] = v[0];
                    cv[1] = v[1];
                    gl.uniform2f(ud["${name}"].location, v[0], v[1]);
                }
            `
  },
  {
    test: (data, uniform) => data.type === "vec4" && data.size === 1 && !data.isArray && uniform.width !== void 0,
    code: (name) => `
                cv = ud["${name}"].value;
                v = uv["${name}"];

                if(cv[0] !== v.x || cv[1] !== v.y || cv[2] !== v.width || cv[3] !== v.height)
                {
                    cv[0] = v.x;
                    cv[1] = v.y;
                    cv[2] = v.width;
                    cv[3] = v.height;
                    gl.uniform4f(ud["${name}"].location, v.x, v.y, v.width, v.height)
                }`,
    codeUbo: (name) => `
                    v = uv.${name};

                    data[offset] = v.x;
                    data[offset+1] = v.y;
                    data[offset+2] = v.width;
                    data[offset+3] = v.height;
                `
  },
  {
    test: (data, uniform) => data.type === "vec4" && data.size === 1 && !data.isArray && uniform.red !== void 0,
    code: (name) => `
                cv = ud["${name}"].value;
                v = uv["${name}"];

                if(cv[0] !== v.red || cv[1] !== v.green || cv[2] !== v.blue || cv[3] !== v.alpha)
                {
                    cv[0] = v.red;
                    cv[1] = v.green;
                    cv[2] = v.blue;
                    cv[3] = v.alpha;
                    gl.uniform4f(ud["${name}"].location, v.red, v.green, v.blue, v.alpha)
                }`,
    codeUbo: (name) => `
                    v = uv.${name};

                    data[offset] = v.red;
                    data[offset+1] = v.green;
                    data[offset+2] = v.blue;
                    data[offset+3] = v.alpha;
                `
  },
  {
    test: (data, uniform) => data.type === "vec3" && data.size === 1 && !data.isArray && uniform.red !== void 0,
    code: (name) => `
                cv = ud["${name}"].value;
                v = uv["${name}"];

                if(cv[0] !== v.red || cv[1] !== v.green || cv[2] !== v.blue || cv[3] !== v.a)
                {
                    cv[0] = v.red;
                    cv[1] = v.green;
                    cv[2] = v.blue;
    
                    gl.uniform3f(ud["${name}"].location, v.red, v.green, v.blue)
                }`,
    codeUbo: (name) => `
                    v = uv.${name};

                    data[offset] = v.red;
                    data[offset+1] = v.green;
                    data[offset+2] = v.blue;
                `
  },
  {
    test: (data) => data.type === "vec4" && data.size === 1 && !data.isArray,
    code: (name) => `
                cv = ud["${name}"].value;
                v = uv["${name}"];

                if(cv[0] !== v[0] || cv[1] !== v[1] || cv[2] !== v[2] || cv[3] !== v[3])
                {
                    cv[0] = v[0];
                    cv[1] = v[1];
                    cv[2] = v[2];
                    cv[3] = v[3];

                    gl.uniform4f(ud["${name}"].location, v[0], v[1], v[2], v[3])
                }`
  }
];

export { uniformParsers };
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