import { defined } from "../Source/Cesium.js";
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import { destroyObject } from "../Source/Cesium.js";
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import { Pass } from "../Source/Cesium.js";
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import { RenderState } from "../Source/Cesium.js";
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var ViewportPrimitive = function (fragmentShader) {
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this._fs = fragmentShader;
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this._command = undefined;
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};
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ViewportPrimitive.prototype.update = function (frameState) {
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if (!defined(this._command)) {
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this._command = frameState.context.createViewportQuadCommand(this._fs, {
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renderState: RenderState.fromCache(),
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pass: Pass.OPAQUE,
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});
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}
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frameState.commandList.push(this._command);
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};
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ViewportPrimitive.prototype.isDestroyed = function () {
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return false;
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};
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ViewportPrimitive.prototype.destroy = function () {
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if (defined(this._command)) {
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this._command.shaderProgram =
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this._command.shaderProgram && this._command.shaderProgram.destroy();
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}
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return destroyObject(this);
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};
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export default ViewportPrimitive;
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