| <!-- |
| |
| /* |
| ** Copyright (c) 2012 The Khronos Group Inc. |
| ** |
| ** Permission is hereby granted, free of charge, to any person obtaining a |
| ** copy of this software and/or associated documentation files (the |
| ** "Materials"), to deal in the Materials without restriction, including |
| ** without limitation the rights to use, copy, modify, merge, publish, |
| ** distribute, sublicense, and/or sell copies of the Materials, and to |
| ** permit persons to whom the Materials are furnished to do so, subject to |
| ** the following conditions: |
| ** |
| ** The above copyright notice and this permission notice shall be included |
| ** in all copies or substantial portions of the Materials. |
| ** |
| ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| */ |
| |
| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="../resources/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <canvas id="example" width="4" height="4"></canvas> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script> |
| "use strict"; |
| description('Verifies that GL texture bindings do not change when canvas is resized'); |
| |
| var err; |
| var wtu = WebGLTestUtils; |
| var canvas = document.getElementById("example"); |
| var gl = wtu.create3DContext(canvas); |
| var program = wtu.setupTexturedQuad(gl); |
| |
| var green = [0, 255, 0, 255]; |
| var blue = [0, 0, 255, 255]; |
| var tex0 = gl.createTexture(); |
| wtu.fillTexture(gl, tex0, 1, 1, blue, 0); |
| gl.activeTexture(gl.TEXTURE1) |
| var tex1 = gl.createTexture(); |
| wtu.fillTexture(gl, tex1, 1, 1, green, 0); |
| |
| var loc = gl.getUniformLocation(program, "tex"); |
| |
| function test() { |
| gl.viewport(0, 0, canvas.width, canvas.height); |
| gl.uniform1i(loc, 0); |
| wtu.clearAndDrawUnitQuad(gl); |
| wtu.checkCanvas(gl, blue, "should be blue"); |
| gl.uniform1i(loc, 1); |
| wtu.clearAndDrawUnitQuad(gl); |
| wtu.checkCanvas(gl, green, "should be green"); |
| } |
| |
| debug("test before resizing canvas"); |
| test(); |
| debug("test after resizing canvas"); |
| canvas.width = 8; |
| test(); |
| debug("test after resizing canvas and waiting for compositing"); |
| canvas.width = 16; |
| wtu.waitForComposite(function() { |
| test(); |
| finishTest(); |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors."); |
| }); |
| |
| var successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
| |
