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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/canvas/test/webgl-conf/checkout/conformance/renderbuffers/renderbuffer-initialization.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/renderbuffers/renderbuffer-initialization.html')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/renderbuffers/renderbuffer-initialization.html | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/renderbuffers/renderbuffer-initialization.html b/dom/canvas/test/webgl-conf/checkout/conformance/renderbuffers/renderbuffer-initialization.html new file mode 100644 index 000000000..5e55bd048 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/renderbuffers/renderbuffer-initialization.html @@ -0,0 +1,120 @@ +<!-- + +/* +** 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="../../js/js-test-pre.js"></script> +<script src="../../js/webgl-test-utils.js"></script> +</head> +<body> +<canvas id="testbed" width="400" height="400" style="width: 40px; height: 40px;"></canvas> +<div id="description"></div> +<div id="console"></div> +<script> +"use strict"; +var wtu = WebGLTestUtils; +description('Verify renderbuffers are initialized to 0 before being read in WebGL'); + +var gl = wtu.create3DContext("testbed"); +if (!gl) { + testFailed('canvas.getContext() failed'); +} else { + // Set the clear color to green. It should never show up. + gl.clearColor(0, 1, 0, 1); + + runTest(gl, gl.canvas.width, gl.canvas.height, 0); + runTest(gl, gl.canvas.width, gl.canvas.height, 1); + runTest(gl, gl.canvas.width, gl.canvas.height, 0); + runTest(gl, gl.canvas.width, gl.canvas.height, 1); + + // Testing buffer clearing won't change the clear values. + var clearColor = gl.getParameter(gl.COLOR_CLEAR_VALUE); + shouldBe("clearColor", "[0, 1, 0, 1]"); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, 'should be no errors'); +} + +function runTest(gl, width, height, order) +{ + wtu.checkCanvasRect(gl, 0, 0, width, height, [0,0,0,0], + "internal buffers have been initialized to 0"); + + // fill the back buffer so we know that reading below happens from + // the renderbuffer. + gl.clear(gl.COLOR_BUFFER_BIT); + + var fbo = gl.createFramebuffer(); + gl.bindFramebuffer(gl.FRAMEBUFFER, fbo); + var colorbuffer = gl.createRenderbuffer(); + gl.bindRenderbuffer(gl.RENDERBUFFER, colorbuffer); + switch (order) { + case 0: + allocStorage(width, height); + attachBuffer(colorbuffer); + break; + case 1: + attachBuffer(colorbuffer); + allocStorage(width, height); + break; + } + + function allocStorage(width, height) { + gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, width, height); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, 'should be no error after renderbufferStorage(internalformat = RGBA4).'); + } + + function attachBuffer(colorbuffer) { + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, colorbuffer); + } + + if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE) { + testFailed('Framebuffer incomplete.'); + return; + } + + wtu.checkCanvasRect(gl, 0, 0, width, height, [0,0,0,0], + "user buffers have been initialized to 0"); + + gl.deleteFramebuffer(fbo); + gl.deleteRenderbuffer(colorbuffer); + + // this clear should not matter we are about to resize + gl.clear(gl.COLOR_BUFFER_BIT); + + gl.canvas.width += 1; + gl.canvas.height += 1; + + debug(''); +} + +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> +</body> +</html> |