sdfsdfs

node_modules/pixi.js/lib/rendering/renderers/shared/renderTarget/RenderTarget.js

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+'use strict';
+
+var uid = require('../../../../utils/data/uid.js');
+var TextureSource = require('../texture/sources/TextureSource.js');
+var Texture = require('../texture/Texture.js');
+
+"use strict";
+const _RenderTarget = class _RenderTarget {
+  /**
+   * @param [descriptor] - Options for creating a render target.
+   */
+  constructor(descriptor = {}) {
+    /** unique id for this render target */
+    this.uid = uid.uid("renderTarget");
+    /**
+     * An array of textures that can be written to by the GPU - mostly this has one texture in Pixi, but you could
+     * write to multiple if required! (eg deferred lighting)
+     */
+    this.colorTextures = [];
+    this.dirtyId = 0;
+    this.isRoot = false;
+    this._size = new Float32Array(2);
+    /** if true, then when the render target is destroyed, it will destroy all the textures that were created for it. */
+    this._managedColorTextures = false;
+    descriptor = { ..._RenderTarget.defaultOptions, ...descriptor };
+    this.stencil = descriptor.stencil;
+    this.depth = descriptor.depth;
+    this.isRoot = descriptor.isRoot;
+    if (typeof descriptor.colorTextures === "number") {
+      this._managedColorTextures = true;
+      for (let i = 0; i < descriptor.colorTextures; i++) {
+        this.colorTextures.push(
+          new TextureSource.TextureSource({
+            width: descriptor.width,
+            height: descriptor.height,
+            resolution: descriptor.resolution,
+            antialias: descriptor.antialias
+          })
+        );
+      }
+    } else {
+      this.colorTextures = [...descriptor.colorTextures.map((texture) => texture.source)];
+      const colorSource = this.colorTexture.source;
+      this.resize(colorSource.width, colorSource.height, colorSource._resolution);
+    }
+    this.colorTexture.source.on("resize", this.onSourceResize, this);
+    if (descriptor.depthStencilTexture || this.stencil) {
+      if (descriptor.depthStencilTexture instanceof Texture.Texture || descriptor.depthStencilTexture instanceof TextureSource.TextureSource) {
+        this.depthStencilTexture = descriptor.depthStencilTexture.source;
+      } else {
+        this.ensureDepthStencilTexture();
+      }
+    }
+  }
+  get size() {
+    const _size = this._size;
+    _size[0] = this.pixelWidth;
+    _size[1] = this.pixelHeight;
+    return _size;
+  }
+  get width() {
+    return this.colorTexture.source.width;
+  }
+  get height() {
+    return this.colorTexture.source.height;
+  }
+  get pixelWidth() {
+    return this.colorTexture.source.pixelWidth;
+  }
+  get pixelHeight() {
+    return this.colorTexture.source.pixelHeight;
+  }
+  get resolution() {
+    return this.colorTexture.source._resolution;
+  }
+  get colorTexture() {
+    return this.colorTextures[0];
+  }
+  onSourceResize(source) {
+    this.resize(source.width, source.height, source._resolution, true);
+  }
+  /**
+   * This will ensure a depthStencil texture is created for this render target.
+   * Most likely called by the mask system to make sure we have stencil buffer added.
+   * @internal
+   * @ignore
+   */
+  ensureDepthStencilTexture() {
+    if (!this.depthStencilTexture) {
+      this.depthStencilTexture = new TextureSource.TextureSource({
+        width: this.width,
+        height: this.height,
+        resolution: this.resolution,
+        format: "depth24plus-stencil8",
+        autoGenerateMipmaps: false,
+        antialias: false,
+        mipLevelCount: 1
+        // sampleCount: handled by the render target system..
+      });
+    }
+  }
+  resize(width, height, resolution = this.resolution, skipColorTexture = false) {
+    this.dirtyId++;
+    this.colorTextures.forEach((colorTexture, i) => {
+      if (skipColorTexture && i === 0)
+        return;
+      colorTexture.source.resize(width, height, resolution);
+    });
+    if (this.depthStencilTexture) {
+      this.depthStencilTexture.source.resize(width, height, resolution);
+    }
+  }
+  destroy() {
+    this.colorTexture.source.off("resize", this.onSourceResize, this);
+    if (this._managedColorTextures) {
+      this.colorTextures.forEach((texture) => {
+        texture.destroy();
+      });
+    }
+    if (this.depthStencilTexture) {
+      this.depthStencilTexture.destroy();
+      delete this.depthStencilTexture;
+    }
+  }
+};
+/** The default options for a render target */
+_RenderTarget.defaultOptions = {
+  /** the width of the RenderTarget */
+  width: 0,
+  /** the height of the RenderTarget */
+  height: 0,
+  /** the resolution of the RenderTarget */
+  resolution: 1,
+  /** an array of textures, or a number indicating how many color textures there should be */
+  colorTextures: 1,
+  /** should this render target have a stencil buffer? */
+  stencil: false,
+  /** should this render target have a depth buffer? */
+  depth: false,
+  /** should this render target be antialiased? */
+  antialias: false,
+  // save on perf by default!
+  /** is this a root element, true if this is gl context owners render target */
+  isRoot: false
+};
+let RenderTarget = _RenderTarget;
+
+exports.RenderTarget = RenderTarget;
+//# sourceMappingURL=RenderTarget.js.map