| <!-- |
| Copyright (c) 2019 The Khronos Group Inc. |
| Use of this source code is governed by an MIT-style license that can be |
| found in the LICENSE.txt file. |
| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL Delayed Drawing test.</title> |
| <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| <script src="../../js/js-test-pre.js"></script> |
| <script src="../../js/webgl-test-utils.js"> </script> |
| </head> |
| <body> |
| <canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| "use strict"; |
| enableJSTestPreVerboseLogging(); |
| description(document.title); |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext("example"); |
| var program = wtu.setupTexturedQuad(gl); |
| |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| |
| var tex = gl.createTexture(); |
| wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255]); |
| |
| var loc = gl.getUniformLocation(program, "tex"); |
| gl.uniform1i(loc, 0); |
| |
| gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
| gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); |
| gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); |
| gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); |
| |
| |
| drawAndCheck(); |
| |
| setTimeout(step2, 1000); |
| |
| function step2() { |
| drawAndCheck(); |
| finishTest(); |
| } |
| |
| function drawAndCheck() { |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors before drawing."); |
| wtu.clearAndDrawUnitQuad(gl); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from drawing."); |
| wtu.checkCanvas( |
| gl, [0, 192, 128, 255], |
| "draw should be 0, 192, 128, 255"); |
| } |
| |
| var successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
| |