41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
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define([
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'Core/defined',
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'Core/destroyObject',
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'Renderer/Pass',
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'Renderer/RenderState'
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], function(
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defined,
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destroyObject,
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Pass,
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RenderState) {
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'use strict';
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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 = 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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return ViewportPrimitive;
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});
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