third_party/webgl/sdk/tests/conformance/renderbuffers/framebuffer-state-restoration.html - Issue 10399113: Roll webgl conformance tests to r17874: part 2, adding r17874

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Issue 10399113: Roll webgl conformance tests to r17874: part 2, adding r17874 (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/

Patch Set: Created 8 years, 7 months ago

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	1 <!--

	2

	3 /*

	4 ** Copyright (c) 2012 The Khronos Group Inc.

	5 **

	6 ** Permission is hereby granted, free of charge, to any person obtaining a

	7 ** copy of this software and/or associated documentation files (the

	8 ** "Materials"), to deal in the Materials without restriction, including

	9 ** without limitation the rights to use, copy, modify, merge, publish,

	10 ** distribute, sublicense, and/or sell copies of the Materials, and to

	11 ** permit persons to whom the Materials are furnished to do so, subject to

	12 ** the following conditions:

	13 **

	14 ** The above copyright notice and this permission notice shall be included

	15 ** in all copies or substantial portions of the Materials.

	16 **

	17 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

	18 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

	19 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

	20 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

	21 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

	22 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

	23 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.

	24 */

	25

	26 -->

	27

	28 <!DOCTYPE html>

	29 <html>

	30 <head>

	31 <meta charset="utf-8">

	32 <title>WebGL Framebuffer state restoration Test</title>

	33 <link rel="stylesheet" href="../../resources/js-test-style.css"/>

	34 <script src="../../resources/js-test-pre.js"></script>

	35 <script src="../resources/webgl-test.js"> </script>

	36 <script src="../resources/webgl-test-utils.js"> </script>

	37 </head>

	38 <body>

	39 <canvas id="example" width="50" height="50">

	40 </canvas>

	41 <div id="description"></div>

	42 <div id="console"></div>

	43 <script>

	44 var wtu = WebGLTestUtils;

	45 description();

	46

	47 function test() {

	48 gl = wtu.create3DContext("example", {preserveDrawingBuffer: true});

	49 var program = wtu.setupColorQuad(gl);

	50 var colorLoc = gl.getUniformLocation(program, "u_color");

	51 gl.enable(gl.DEPTH_TEST);

	52 gl.depthFunc(gl.LESS);

	53

	54 var testDrawToBackBuffer = function(label) {

	55 debug("");

	56 debug("drawing to backbuffer " + label);

	57 gl.clear(gl.COLOR_BUFFER_BIT \| gl.DEPTH_BUFFER_BIT);

	58 // Draw in green

	59 gl.uniform4fv(colorLoc, [0, 1, 0, 1]);

	60 gl.drawArrays(gl.TRIANGLES, 0, 6);

	61 wtu.checkCanvas(gl, [0, 255, 0, 255], "should be green");

	62 // Draw in red, should not draw because of depth test.

	63 gl.uniform4fv(colorLoc, [1, 0, 0, 1]);

	64 gl.drawArrays(gl.TRIANGLES, 0, 6);

	65 wtu.checkCanvas(gl, [0, 255, 0, 255], "should still be green");

	66 }

	67

	68 var testDrawToFBO = function(label ) {

	69 debug("");

	70 debug("drawing to framebuffer " + label);

	71 // Draw in green

	72 gl.uniform4fv(colorLoc, [0, 1, 0, 1]);

	73 gl.drawArrays(gl.TRIANGLES, 0, 6);

	74 wtu.checkCanvas(gl, [0, 255, 0, 255], "should be green");

	75 // Draw in red as there is not depth buffer.

	76 gl.uniform4fv(colorLoc, [1, 0, 0, 1]);

	77 gl.drawArrays(gl.TRIANGLES, 0, 6);

	78 wtu.checkCanvas(gl, [255, 0, 0, 255], "should be red");

	79 }

	80

	81 testDrawToBackBuffer("start");

	82

	83 var fbo = gl.createFramebuffer();

	84 var tex = gl.createTexture();

	85 gl.bindTexture(gl.TEXTURE_2D, tex);

	86 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 50, 50, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);

	87 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);

	88 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);

	89 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);

	90 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);

	91 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);

	92 gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, t ex, 0);

	93 if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE) {

	94 finishTest();

	95 return;

	96 }

	97

	98 wtu.checkCanvas(gl, [0, 0, 0, 0], "should be zero");

	99 testDrawToFBO("start");

	100

	101 gl.bindFramebuffer(gl.FRAMEBUFFER, null);

	102 testDrawToBackBuffer("after drawing to framebuffer");

	103

	104 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);

	105 testDrawToFBO("after drawing to backbuffer");

	106

	107 gl.bindFramebuffer(gl.FRAMEBUFFER, null);

	108 wtu.waitFrames(5, function() {

	109 testDrawToBackBuffer("after composite");

	110 gl.bindFramebuffer(gl.FRAMEBUFFER, fbo);

	111 testDrawToFBO("after drawing to backbuffer after composite");

	112 wtu.waitFrames(5, function() {

	113 testDrawToFBO("after composite");

	114 gl.bindFramebuffer(gl.FRAMEBUFFER, null);

	115 testDrawToBackBuffer("after drawing to framebuffer after composite");

	116

	117 glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");

	118 finishTest();

	119 });

	120 });

	121 }

	122 test();

	123

	124 successfullyParsed = true;

	125 </script>

	126 </body>

	127 </html>

	128

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