pixi.js/lib/scene/mesh/shared/MeshPipe.mjs

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import { ExtensionType } from '../../../extensions/Extensions.mjs';
import { Matrix } from '../../../maths/matrix/Matrix.mjs';
import { BindGroup } from '../../../rendering/renderers/gpu/shader/BindGroup.mjs';
import { UniformGroup } from '../../../rendering/renderers/shared/shader/UniformGroup.mjs';
import { getAdjustedBlendModeBlend } from '../../../rendering/renderers/shared/state/getAdjustedBlendModeBlend.mjs';
import { color32BitToUniform } from '../../graphics/gpu/colorToUniform.mjs';
import { BatchableMesh } from './BatchableMesh.mjs';

"use strict";
class MeshGpuData {
  destroy() {
  }
}
class MeshPipe {
  constructor(renderer, adaptor) {
    this.localUniforms = new UniformGroup({
      uTransformMatrix: { value: new Matrix(), type: "mat3x3<f32>" },
      uColor: { value: new Float32Array([1, 1, 1, 1]), type: "vec4<f32>" },
      uRound: { value: 0, type: "f32" }
    });
    this.localUniformsBindGroup = new BindGroup({
      0: this.localUniforms
    });
    this.renderer = renderer;
    this._adaptor = adaptor;
    this._adaptor.init();
  }
  validateRenderable(mesh) {
    const meshData = this._getMeshData(mesh);
    const wasBatched = meshData.batched;
    const isBatched = mesh.batched;
    meshData.batched = isBatched;
    if (wasBatched !== isBatched) {
      return true;
    } else if (isBatched) {
      const geometry = mesh._geometry;
      if (geometry.indices.length !== meshData.indexSize || geometry.positions.length !== meshData.vertexSize) {
        meshData.indexSize = geometry.indices.length;
        meshData.vertexSize = geometry.positions.length;
        return true;
      }
      const batchableMesh = this._getBatchableMesh(mesh);
      if (batchableMesh.texture.uid !== mesh._texture.uid) {
        batchableMesh._textureMatrixUpdateId = -1;
      }
      return !batchableMesh._batcher.checkAndUpdateTexture(
        batchableMesh,
        mesh._texture
      );
    }
    return false;
  }
  addRenderable(mesh, instructionSet) {
    const batcher = this.renderer.renderPipes.batch;
    const { batched } = this._getMeshData(mesh);
    if (batched) {
      const gpuBatchableMesh = this._getBatchableMesh(mesh);
      gpuBatchableMesh.setTexture(mesh._texture);
      gpuBatchableMesh.geometry = mesh._geometry;
      batcher.addToBatch(gpuBatchableMesh, instructionSet);
    } else {
      batcher.break(instructionSet);
      instructionSet.add(mesh);
    }
  }
  updateRenderable(mesh) {
    if (mesh.batched) {
      const gpuBatchableMesh = this._getBatchableMesh(mesh);
      gpuBatchableMesh.setTexture(mesh._texture);
      gpuBatchableMesh.geometry = mesh._geometry;
      gpuBatchableMesh._batcher.updateElement(gpuBatchableMesh);
    }
  }
  execute(mesh) {
    if (!mesh.isRenderable)
      return;
    mesh.state.blendMode = getAdjustedBlendModeBlend(mesh.groupBlendMode, mesh.texture._source);
    const localUniforms = this.localUniforms;
    localUniforms.uniforms.uTransformMatrix = mesh.groupTransform;
    localUniforms.uniforms.uRound = this.renderer._roundPixels | mesh._roundPixels;
    localUniforms.update();
    color32BitToUniform(
      mesh.groupColorAlpha,
      localUniforms.uniforms.uColor,
      0
    );
    this._adaptor.execute(this, mesh);
  }
  _getMeshData(mesh) {
    var _a, _b;
    (_a = mesh._gpuData)[_b = this.renderer.uid] || (_a[_b] = new MeshGpuData());
    return mesh._gpuData[this.renderer.uid].meshData || this._initMeshData(mesh);
  }
  _initMeshData(mesh) {
    mesh._gpuData[this.renderer.uid].meshData = {
      batched: mesh.batched,
      indexSize: mesh._geometry.indices?.length,
      vertexSize: mesh._geometry.positions?.length
    };
    return mesh._gpuData[this.renderer.uid].meshData;
  }
  _getBatchableMesh(mesh) {
    var _a, _b;
    (_a = mesh._gpuData)[_b = this.renderer.uid] || (_a[_b] = new MeshGpuData());
    return mesh._gpuData[this.renderer.uid].batchableMesh || this._initBatchableMesh(mesh);
  }
  _initBatchableMesh(mesh) {
    const gpuMesh = new BatchableMesh();
    gpuMesh.renderable = mesh;
    gpuMesh.setTexture(mesh._texture);
    gpuMesh.transform = mesh.groupTransform;
    gpuMesh.roundPixels = this.renderer._roundPixels | mesh._roundPixels;
    mesh._gpuData[this.renderer.uid].batchableMesh = gpuMesh;
    return gpuMesh;
  }
  destroy() {
    this.localUniforms = null;
    this.localUniformsBindGroup = null;
    this._adaptor.destroy();
    this._adaptor = null;
    this.renderer = null;
  }
}
/** @ignore */
MeshPipe.extension = {
  type: [
    ExtensionType.WebGLPipes,
    ExtensionType.WebGPUPipes,
    ExtensionType.CanvasPipes
  ],
  name: "mesh"
};

export { MeshGpuData, MeshPipe };
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