playcanvas/build/playcanvas.dbg/src/extras/render-passes/render-pass-coc.js

Open-source WebGL/WebGPU 3D engine for the web

var __defProp = Object.defineProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __publicField = (obj, key, value) => __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
import { SEMANTIC_POSITION, SHADERLANGUAGE_GLSL, SHADERLANGUAGE_WGSL } from "../../platform/graphics/constants.js";
import { RenderPassShaderQuad } from "../../scene/graphics/render-pass-shader-quad.js";
import { ShaderUtils } from "../../scene/shader-lib/shader-utils.js";
import glslCocPS from "../../scene/shader-lib/glsl/chunks/render-pass/frag/coc.js";
import wgslCocPS from "../../scene/shader-lib/wgsl/chunks/render-pass/frag/coc.js";
import { ShaderChunks } from "../../scene/shader-lib/shader-chunks.js";
class RenderPassCoC extends RenderPassShaderQuad {
  constructor(device, cameraComponent, nearBlur) {
    super(device);
    __publicField(this, "focusDistance");
    __publicField(this, "focusRange");
    this.cameraComponent = cameraComponent;
    ShaderChunks.get(device, SHADERLANGUAGE_GLSL).set("cocPS", glslCocPS);
    ShaderChunks.get(device, SHADERLANGUAGE_WGSL).set("cocPS", wgslCocPS);
    const defines = /* @__PURE__ */ new Map();
    if (nearBlur) defines.set("NEAR_BLUR", "");
    ShaderUtils.addScreenDepthChunkDefines(device, cameraComponent.shaderParams, defines);
    this.shader = ShaderUtils.createShader(device, {
      uniqueName: `CocShader-${nearBlur}`,
      attributes: { aPosition: SEMANTIC_POSITION },
      vertexChunk: "quadVS",
      fragmentChunk: "cocPS",
      fragmentDefines: defines
    });
    this.paramsId = device.scope.resolve("params");
    this.paramsValue = new Float32Array(3);
    this.cameraParams = new Float32Array(4);
    this.cameraParamsId = device.scope.resolve("camera_params");
  }
  execute() {
    const { paramsValue, focusRange } = this;
    paramsValue[0] = this.focusDistance + 1e-3;
    paramsValue[1] = focusRange;
    paramsValue[2] = 1 / focusRange;
    this.paramsId.setValue(paramsValue);
    const camera = this.cameraComponent.camera;
    this.cameraParamsId.setValue(camera.fillShaderParams(this.cameraParams));
    super.execute();
  }
}
export {
  RenderPassCoC
};