@pixi/core/lib/shader/utils/generateUniformsSync.js

Core PixiJS

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var uniformParsers = require('./uniformParsers.js');

const GLSL_TO_SINGLE_SETTERS_CACHED = {
  float: `
    if (cv !== v)
    {
        cu.value = v;
        gl.uniform1f(location, v);
    }`,
  vec2: `
    if (cv[0] !== v[0] || cv[1] !== v[1])
    {
        cv[0] = v[0];
        cv[1] = v[1];

        gl.uniform2f(location, v[0], v[1])
    }`,
  vec3: `
    if (cv[0] !== v[0] || cv[1] !== v[1] || cv[2] !== v[2])
    {
        cv[0] = v[0];
        cv[1] = v[1];
        cv[2] = v[2];

        gl.uniform3f(location, v[0], v[1], v[2])
    }`,
  vec4: `
    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(location, v[0], v[1], v[2], v[3]);
    }`,
  int: `
    if (cv !== v)
    {
        cu.value = v;

        gl.uniform1i(location, v);
    }`,
  ivec2: `
    if (cv[0] !== v[0] || cv[1] !== v[1])
    {
        cv[0] = v[0];
        cv[1] = v[1];

        gl.uniform2i(location, v[0], v[1]);
    }`,
  ivec3: `
    if (cv[0] !== v[0] || cv[1] !== v[1] || cv[2] !== v[2])
    {
        cv[0] = v[0];
        cv[1] = v[1];
        cv[2] = v[2];

        gl.uniform3i(location, v[0], v[1], v[2]);
    }`,
  ivec4: `
    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.uniform4i(location, v[0], v[1], v[2], v[3]);
    }`,
  uint: `
    if (cv !== v)
    {
        cu.value = v;

        gl.uniform1ui(location, v);
    }`,
  uvec2: `
    if (cv[0] !== v[0] || cv[1] !== v[1])
    {
        cv[0] = v[0];
        cv[1] = v[1];

        gl.uniform2ui(location, v[0], v[1]);
    }`,
  uvec3: `
    if (cv[0] !== v[0] || cv[1] !== v[1] || cv[2] !== v[2])
    {
        cv[0] = v[0];
        cv[1] = v[1];
        cv[2] = v[2];

        gl.uniform3ui(location, v[0], v[1], v[2]);
    }`,
  uvec4: `
    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.uniform4ui(location, v[0], v[1], v[2], v[3]);
    }`,
  bool: `
    if (cv !== v)
    {
        cu.value = v;
        gl.uniform1i(location, v);
    }`,
  bvec2: `
    if (cv[0] != v[0] || cv[1] != v[1])
    {
        cv[0] = v[0];
        cv[1] = v[1];

        gl.uniform2i(location, v[0], v[1]);
    }`,
  bvec3: `
    if (cv[0] !== v[0] || cv[1] !== v[1] || cv[2] !== v[2])
    {
        cv[0] = v[0];
        cv[1] = v[1];
        cv[2] = v[2];

        gl.uniform3i(location, v[0], v[1], v[2]);
    }`,
  bvec4: `
    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.uniform4i(location, v[0], v[1], v[2], v[3]);
    }`,
  mat2: "gl.uniformMatrix2fv(location, false, v)",
  mat3: "gl.uniformMatrix3fv(location, false, v)",
  mat4: "gl.uniformMatrix4fv(location, false, v)",
  sampler2D: `
    if (cv !== v)
    {
        cu.value = v;

        gl.uniform1i(location, v);
    }`,
  samplerCube: `
    if (cv !== v)
    {
        cu.value = v;

        gl.uniform1i(location, v);
    }`,
  sampler2DArray: `
    if (cv !== v)
    {
        cu.value = v;

        gl.uniform1i(location, v);
    }`
};
const GLSL_TO_ARRAY_SETTERS = {
  float: `gl.uniform1fv(location, v)`,
  vec2: `gl.uniform2fv(location, v)`,
  vec3: `gl.uniform3fv(location, v)`,
  vec4: "gl.uniform4fv(location, v)",
  mat4: "gl.uniformMatrix4fv(location, false, v)",
  mat3: "gl.uniformMatrix3fv(location, false, v)",
  mat2: "gl.uniformMatrix2fv(location, false, v)",
  int: "gl.uniform1iv(location, v)",
  ivec2: "gl.uniform2iv(location, v)",
  ivec3: "gl.uniform3iv(location, v)",
  ivec4: "gl.uniform4iv(location, v)",
  uint: "gl.uniform1uiv(location, v)",
  uvec2: "gl.uniform2uiv(location, v)",
  uvec3: "gl.uniform3uiv(location, v)",
  uvec4: "gl.uniform4uiv(location, v)",
  bool: "gl.uniform1iv(location, v)",
  bvec2: "gl.uniform2iv(location, v)",
  bvec3: "gl.uniform3iv(location, v)",
  bvec4: "gl.uniform4iv(location, v)",
  sampler2D: "gl.uniform1iv(location, v)",
  samplerCube: "gl.uniform1iv(location, v)",
  sampler2DArray: "gl.uniform1iv(location, v)"
};
function generateUniformsSync(group, uniformData) {
  const funcFragments = [`
        var v = null;
        var cv = null;
        var cu = null;
        var t = 0;
        var gl = renderer.gl;
    `];
  for (const i in group.uniforms) {
    const data = uniformData[i];
    if (!data) {
      if (group.uniforms[i]?.group) {
        if (group.uniforms[i].ubo) {
          funcFragments.push(`
                        renderer.shader.syncUniformBufferGroup(uv.${i}, '${i}');
                    `);
        } else {
          funcFragments.push(`
                        renderer.shader.syncUniformGroup(uv.${i}, syncData);
                    `);
        }
      }
      continue;
    }
    const uniform = group.uniforms[i];
    let parsed = false;
    for (let j = 0; j < uniformParsers.uniformParsers.length; j++) {
      if (uniformParsers.uniformParsers[j].test(data, uniform)) {
        funcFragments.push(uniformParsers.uniformParsers[j].code(i, uniform));
        parsed = true;
        break;
      }
    }
    if (!parsed) {
      const templateType = data.size === 1 && !data.isArray ? GLSL_TO_SINGLE_SETTERS_CACHED : GLSL_TO_ARRAY_SETTERS;
      const template = templateType[data.type].replace("location", `ud["${i}"].location`);
      funcFragments.push(`
            cu = ud["${i}"];
            cv = cu.value;
            v = uv["${i}"];
            ${template};`);
    }
  }
  return new Function("ud", "uv", "renderer", "syncData", funcFragments.join("\n"));
}

exports.generateUniformsSync = generateUniformsSync;
//# sourceMappingURL=generateUniformsSync.js.map