museaikit/es6/lib.js

A powerful music-focused AI toolkit

/*! For license information please see lib.js.LICENSE.txt */
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r}(t,e,r))).join("\n"),u=e.texShape,c=Rt(),l=function(t){return`\n    float sampleTexture(sampler2D textureSampler, vec2 uv) {\n      return ${t.texture2D}(textureSampler, uv).r;\n    }\n  `}(c);let h,p,d=function(t){const e=`${t.version}\n    precision highp float;\n    precision highp int;\n    precision highp sampler2D;\n    ${t.varyingFs} vec2 resultUV;\n    ${t.defineOutput}\n    const vec2 halfCR = vec2(0.5, 0.5);\n\n    struct ivec5\n    {\n      int x;\n      int y;\n      int z;\n      int w;\n      int u;\n    };\n\n    struct ivec6\n    {\n      int x;\n      int y;\n      int z;\n      int w;\n      int u;\n      int v;\n    };\n\n    uniform float NAN;\n    ${t.defineSpecialNaN}\n    ${t.defineSpecialInf}\n    ${t.defineRound}\n\n    int imod(int x, int y) {\n      return x - y * (x / y);\n    }\n\n    int idiv(int a, int b, float sign) {\n      int res = a / b;\n      int mod = imod(a, b);\n      if (sign < 0. && mod != 0) {\n        res -= 1;\n      }\n      return res;\n    }\n\n    //Based on the work of Dave Hoskins\n    //https://www.shadertoy.com/view/4djSRW\n    #define HASHSCALE1 443.8975\n    float random(float seed){\n      vec2 p = resultUV * seed;\n      vec3 p3  = fract(vec3(p.xyx) * HASHSCALE1);\n      p3 += dot(p3, p3.yzx + 19.19);\n      return fract((p3.x + p3.y) * p3.z);\n    }\n\n    ${qt}\n    ${Ut}\n    ${Vt}\n  `;return e}(c);e.isPacked?(h=function(t,e){switch(t.length){case 0:return jt();case 1:return function(t,e){const n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)];if(1===n[0])return`\n      int getOutputCoords() {\n        return 2 * int(resultUV.x * ${n[1]}.0);\n      }\n    `;if(1===n[1])return`\n      int getOutputCoords() {\n        return 2 * int(resultUV.y * ${n[0]}.0);\n      }\n    `;return`\n    int getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(${n[0]}, ${n[1]}));\n      return 2 * (resTexRC.x * ${n[1]} + resTexRC.y);\n    }\n  `}(0,e);case 2:return function(t,e){const n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)];if(o.ZSL.arraysEqual(t,e))return`\n      ivec2 getOutputCoords() {\n        return 2 * ivec2(resultUV.yx * vec2(${n[0]}, ${n[1]}));\n      }\n    `;const r=Math.ceil(t[1]/2);return`\n    ivec2 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(${n[0]}, ${n[1]}));\n\n      int index = resTexRC.x * ${n[1]} + resTexRC.y;\n      int r = 2 * (index / ${r});\n      int c = imod(index, ${r}) * 2;\n\n      return ivec2(r, c);\n    }\n  `}(t,e);case 3:return function(t,e){const n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)],r=Math.ceil(t[2]/2),o=r*Math.ceil(t[1]/2);return`\n    ivec3 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(${n[0]}, ${n[1]}));\n      int index = resTexRC.x * ${n[1]} + resTexRC.y;\n\n      int b = index / ${o};\n      index -= b * ${o};\n\n      int r = 2 * (index / ${r});\n      int c = imod(index, ${r}) * 2;\n\n      return ivec3(b, r, c);\n    }\n  `}(t,e);default:return function(t,e){const n=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)],r=Math.ceil(t[t.length-1]/2),o=r*Math.ceil(t[t.length-2]/2);let i=o,s="",a="b, r, c";for(let e=2;e<t.length-1;e++)i*=t[t.length-e-1],s=`\n      int b${e} = index / ${i};\n      index -= b${e} * ${i};\n    `+s,a=`b${e}, `+a;return`\n    ivec${t.length} getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(${n[0]}, ${n[1]}));\n      int index = resTexRC.x * ${n[1]} + resTexRC.y;\n\n      ${s}\n\n      int b = index / ${o};\n      index -= b * ${o};\n\n      int r = 2 * (index / ${r});\n      int c = imod(index, ${r}) * 2;\n\n      return ivec${t.length}(${a});\n    }\n  `}(t,e)}}(e.logicalShape,u),p=function(t){return`\n    void setOutput(vec4 val) {\n      ${t.output} = val;\n    }\n  `}(c)):(h=function(t,e){switch(t.length){case 0:return jt();case 1:return function(t,e){if(1===e[0])return`\n      int getOutputCoords() {\n        return int(resultUV.x * ${e[1]}.0);\n      }\n    `;if(1===e[1])return`\n      int getOutputCoords() {\n        return int(resultUV.y * ${e[0]}.0);\n      }\n    `;return`\n    int getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(${e[0]}, ${e[1]}));\n      return resTexRC.x * ${e[1]} + resTexRC.y;\n    }\n  `}(0,e);case 2:return function(t,e){if(o.ZSL.arraysEqual(t,e))return`\n      ivec2 getOutputCoords() {\n        return ivec2(resultUV.yx * vec2(${e[0]}, ${e[1]}));\n      }\n    `;if(1===t[1])return`\n      ivec2 getOutputCoords() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n                               vec2(${e[0]}, ${e[1]}));\n        int index = resTexRC.x * ${e[1]} + resTexRC.y;\n        return ivec2(index, 0);\n      }\n    `;if(1===t[0])return`\n      ivec2 getOutputCoords() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n                               vec2(${e[0]}, ${e[1]}));\n        int index = resTexRC.x * ${e[1]} + resTexRC.y;\n        return ivec2(0, index);\n      }\n    `;return`\n    ivec2 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(${e[0]}, ${e[1]}));\n      int index = resTexRC.x * ${e[1]} + resTexRC.y;\n      int r = index / ${t[1]};\n      int c = index - r * ${t[1]};\n      return ivec2(r, c);\n    }\n  `}(t,e);case 3:return function(t,e){const n=Ot(["r","c","d"],t);return`\n    ivec3 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(${e[0]}, ${e[1]}));\n      int index = resTexRC.x * ${e[1]} + resTexRC.y;\n      ${n}\n      return ivec3(r, c, d);\n    }\n  `}(t,e);case 4:return function(t,e){const n=Ot(["r","c","d","d2"],t);return`\n    ivec4 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n        vec2(${e[0]}, ${e[1]}));\n      int index = resTexRC.x * ${e[1]} + resTexRC.y;\n      ${n}\n      return ivec4(r, c, d, d2);\n    }\n  `}(t,e);case 5:return function(t,e){const n=Ot(["r","c","d","d2","d3"],t);return`\n    ivec5 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx * vec2(${e[0]},\n                             ${e[1]}));\n\n      int index = resTexRC.x * ${e[1]} + resTexRC.y;\n\n      ${n}\n\n      ivec5 outShape = ivec5(r, c, d, d2, d3);\n      return outShape;\n    }\n  `}(t,e);case 6:return function(t,e){const n=Ot(["r","c","d","d2","d3","d4"],t);return`\n    ivec6 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n        vec2(${e[0]}, ${e[1]}));\n      int index = resTexRC.x * ${e[1]} + resTexRC.y;\n\n      ${n}\n\n      ivec6 result = ivec6(r, c, d, d2, d3, d4);\n      return result;\n    }\n  `}(t,e);default:throw new Error(`${t.length}-D output sampling is not yet supported`)}}(e.logicalShape,u),p=function(t){return`\n    void setOutput(float val) {\n      ${t.output} = vec4(val, 0, 0, 0);\n    }\n  `}(c)),r&&(d+=Gt);return[d,l,p,s,h,a,n].join("\n")}function Bt(t){const e=t.shapeInfo.logicalShape;switch(e.length){case 0:return function(t){const e=t.name,n="get"+e.charAt(0).toUpperCase()+e.slice(1);if(t.shapeInfo.isUniform)return`float ${n}() {return ${e};}`;const[r,o]=t.shapeInfo.texShape;if(1===r&&1===o)return`\n      float ${n}() {\n        return sampleTexture(${e}, halfCR);\n      }\n    `;const[i,s]=t.shapeInfo.texShape,a=Wt(e);return`\n    float ${n}() {\n      vec2 uv = uvFromFlat(${i}, ${s}, ${a});\n      return sampleTexture(${e}, uv);\n    }\n  `}(t);case 1:return function(t){const e=t.name,n="get"+e.charAt(0).toUpperCase()+e.slice(1);if(t.shapeInfo.isUniform)return`\n      float ${n}(int index) {\n        ${Ht(t)}\n      }\n    `;const r=t.shapeInfo.texShape,o=r[0],i=r[1];if(1===i&&1===o)return`\n      float ${n}(int index) {\n        return sampleTexture(${e}, halfCR);\n      }\n    `;const s=Wt(e);if(1===i)return`\n      float ${n}(int index) {\n        vec2 uv = vec2(0.5, (float(index + ${s}) + 0.5) / ${o}.0);\n        return sampleTexture(${e}, uv);\n      }\n    `;if(1===o)return`\n      float ${n}(int index) {\n        vec2 uv = vec2((float(index + ${s}) + 0.5) / ${i}.0, 0.5);\n        return sampleTexture(${e}, uv);\n      }\n    `;return`\n    float ${n}(int index) {\n      vec2 uv = uvFromFlat(${o}, ${i}, index + ${s});\n      return sampleTexture(${e}, uv);\n    }\n  `}(t);case 2:return function(t){const e=t.shapeInfo.logicalShape,n=t.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),i=t.shapeInfo.texShape;if(null!=i&&o.ZSL.arraysEqual(e,i)){const t=i[0];return`\n    float ${r}(int row, int col) {\n      vec2 uv = (vec2(col, row) + halfCR) / vec2(${i[1]}.0, ${t}.0);\n      return sampleTexture(${n}, uv);\n    }\n  `}const{newShape:s,keptDims:a}=o.ZSL.squeezeShape(e),u=s;if(u.length<e.length){const e=["row","col"];return`\n      ${Bt(Yt(t,u))}\n      float ${r}(int row, int col) {\n        return ${r}(${Qt(e,a)});\n      }\n    `}if(t.shapeInfo.isUniform)return`\n      float ${r}(int row, int col) {\n        int index = round(dot(vec2(row, col), vec2(${e[1]}, 1)));\n        ${Ht(t)}\n      }\n    `;const c=i[0],l=i[1],h=Wt(n);if(1===l)return`\n    float ${r}(int row, int col) {\n      float index = dot(vec3(row, col, ${h}), vec3(${e[1]}, 1, 1));\n      vec2 uv = vec2(0.5, (index + 0.5) / ${c}.0);\n      return sampleTexture(${n}, uv);\n    }\n  `;if(1===c)return`\n    float ${r}(int row, int col) {\n      float index = dot(vec3(row, col, ${h}), vec3(${e[1]}, 1, 1));\n      vec2 uv = vec2((index + 0.5) / ${l}.0, 0.5);\n      return sampleTexture(${n}, uv);\n    }\n  `;return`\n  float ${r}(int row, int col) {\n    // Explicitly use integer operations as dot() only works on floats.\n    int index = row * ${e[1]} + col + ${h};\n    vec2 uv = uvFromFlat(${c}, ${l}, index);\n    return sampleTexture(${n}, uv);\n  }\n`}(t);case 3:return function(t){const e=t.shapeInfo.logicalShape,n=t.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),i=e[1]*e[2],s=e[2],{newShape:a,keptDims:u}=o.ZSL.squeezeShape(e),c=a;if(c.length<e.length){const e=["row","col","depth"];return`\n        ${Bt(Yt(t,c))}\n        float ${r}(int row, int col, int depth) {\n          return ${r}(${Qt(e,u)});\n        }\n      `}if(t.shapeInfo.isUniform)return`\n      float ${r}(int row, int col, int depth) {\n        int index = round(dot(vec3(row, col, depth),\n                          vec3(${i}, ${s}, 1)));\n        ${Ht(t)}\n      }\n    `;const l=t.shapeInfo.texShape,h=l[0],p=l[1],d=t.shapeInfo.flatOffset;if(p===i&&null==d)return`\n        float ${r}(int row, int col, int depth) {\n          float texR = float(row);\n          float texC = dot(vec2(col, depth), vec2(${s}, 1));\n          vec2 uv = (vec2(texC, texR) + halfCR) /\n                     vec2(${p}.0, ${h}.0);\n          return sampleTexture(${n}, uv);\n        }\n      `;if(p===s&&null==d)return`\n    float ${r}(int row, int col, int depth) {\n      float texR = dot(vec2(row, col), vec2(${e[1]}, 1));\n      float texC = float(depth);\n      vec2 uv = (vec2(texC, texR) + halfCR) / vec2(${p}.0, ${h}.0);\n      return sampleTexture(${n}, uv);\n    }\n  `;const f=Wt(n);return`\n      float ${r}(int row, int col, int depth) {\n        // Explicitly use integer operations as dot() only works on floats.\n        int index = row * ${i} + col * ${s} + depth + ${f};\n        vec2 uv = uvFromFlat(${h}, ${p}, index);\n        return sampleTexture(${n}, uv);\n      }\n  `}(t);case 4:return function(t){const e=t.shapeInfo.logicalShape,n=t.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),i=e[3],s=e[2]*i,a=e[1]*s,{newShape:u,keptDims:c}=o.ZSL.squeezeShape(e);if(u.length<e.length){const e=["row","col","depth","depth2"];return`\n      ${Bt(Yt(t,u))}\n      float ${r}(int row, int col, int depth, int depth2) {\n        return ${r}(${Qt(e,c)});\n      }\n    `}if(t.shapeInfo.isUniform)return`\n      float ${r}(int row, int col, int depth, int depth2) {\n        int index = round(dot(vec4(row, col, depth, depth2),\n                          vec4(${a}, ${s}, ${i}, 1)