conformance/programs/gl-bind-attrib-location-long-names-test.html - chromium/deps/webgl/sdk/tests - Git at Google

 <!--

 /*
 ** 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">
 <title>WebGL BindAttribLocation Long Names Conformance Tests</title>
 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
 <script src="../../resources/js-test-pre.js"></script>
 <script src="../resources/webgl-test.js"></script>
 <script src="../resources/webgl-test-utils.js"></script>
 </head>
 <body>
 <div id="description"></div>
 <div id="console"></div>
 <canvas style="border: 1px solid black;" id="canvas" width="50" height="50"></canvas>
 <script id="vshader" type="text/something-not-javascript">
 attribute vec4 vPosition$(suffix);
 attribute vec4 vColor$(suffix);
 varying vec4 color;
 void main()
 {
   gl_Position = vPosition$(suffix);
   color = vColor$(suffix);
 }
 </script>
 <script id="fshader" type="text/something-not-javascript">
 precision mediump float;

 varying vec4 color;
 void main()
 {
   gl_FragColor = color;
 }
 </script>
 <script>
 "use strict";
 description("This test checks using long names with bindAttribLocation work.");

 debug("");
 debug("Canvas.getContext");

 var wtu = WebGLTestUtils;
 var gl = wtu.create3DContext("canvas");
 shouldBeNonNull("gl");

 function fail(x,y, buf, shouldBe)
 {
   var i = (y*50+x) * 4;
   var reason = "pixel at ("+x+","+y+") is ("+buf[i]+","+buf[i+1]+","+buf[i+2]+","+buf[i+3]+"), should be "+shouldBe;
   testFailed(reason);
 }

 function pass()
 {
   testPassed("drawing is correct");
 }

 debug("");
 debug("Checking gl.bindAttribLocation with long names.");

 var program = gl.createProgram();

 var suffix = "long";
 for (var ii = 0; ii < 5; ++ii) {
   suffix = suffix + suffix;
 }
 var replacements = {
   suffix: suffix
 };

 var vsrc = wtu.replaceParams(wtu.getScript("vshader"), replacements);
 var fsrc = wtu.replaceParams(wtu.getScript("fshader"), replacements);

 var vs = wtu.loadShader(gl, vsrc, gl.VERTEX_SHADER);
 var fs = wtu.loadShader(gl, fsrc, gl.FRAGMENT_SHADER);

 var attribs = {
   vPosition: "vPosition" + suffix,
   vColor: "vColor" + suffix
 };

 gl.attachShader(program, vs);
 gl.attachShader(program, fs);

 var positions = gl.createBuffer();
 gl.bindBuffer(gl.ARRAY_BUFFER, positions);
 gl.bufferData(
   gl.ARRAY_BUFFER,
   new Float32Array(
       [ 1.0,  1.0, 0.0,
        -1.0,  1.0, 0.0,
        -1.0, -1.0, 0.0,
         1.0,  1.0, 0.0,
        -1.0, -1.0, 0.0,
         1.0, -1.0, 0.0]),
   gl.STATIC_DRAW);

 var colors = gl.createBuffer();
 gl.bindBuffer(gl.ARRAY_BUFFER, colors);
 gl.bufferData(
   gl.ARRAY_BUFFER,
   new Float32Array(
       [ 0,1,0,1,
         0,1,0,1,
         0,1,0,1,
         0,1,0,1,
         0,1,0,1,
         0,1,0,1]),
   gl.STATIC_DRAW);

 function setBindLocations(colorLocation, positionLocation) {
   gl.bindAttribLocation(program, positionLocation, attribs.vPosition);
   gl.bindAttribLocation(program, colorLocation, attribs.vColor);
   gl.linkProgram(program);
   gl.useProgram(program);
   var linked = (gl.getProgramParameter(program, gl.LINK_STATUS) != 0);
   assertMsg(linked, "program linked successfully");

   debug("vPosition:" + gl.getAttribLocation(program, attribs.vPosition))
   debug("vColor   :" + gl.getAttribLocation(program, attribs.vColor))
   assertMsg(gl.getAttribLocation(program, attribs.vPosition) == positionLocation,
             "location of vPosition should be " + positionLocation);
   assertMsg(gl.getAttribLocation(program, attribs.vColor) == colorLocation,
             "location of vColor should be " + colorLocation);

   var ploc = gl.getAttribLocation(program, attribs.vPosition);
   var cloc = gl.getAttribLocation(program, attribs.vColor);
   gl.bindBuffer(gl.ARRAY_BUFFER, positions);
   gl.enableVertexAttribArray(positionLocation);
   gl.vertexAttribPointer(positionLocation, 3, gl.FLOAT, false, 0, 0);
   gl.bindBuffer(gl.ARRAY_BUFFER, colors);
   gl.enableVertexAttribArray(colorLocation);
   gl.vertexAttribPointer(colorLocation, 4, gl.FLOAT, false, 0, 0);
 }

 function checkDraw(colorLocation, positionLocation, r, g, b, a) {
   wtu.clearAndDrawUnitQuad(gl);
   wtu.checkCanvas(gl, [r, g, b, a], "should be green");

   gl.disableVertexAttribArray(positionLocation);
   gl.disableVertexAttribArray(colorLocation);
 }

 setBindLocations(2, 3);
 checkDraw(2, 3, 0, 255, 0, 255);

 setBindLocations(0, 3);
 gl.disableVertexAttribArray(0);
 gl.vertexAttrib4f(0, 1, 0, 0, 1);
 checkDraw(0, 3, 255, 0, 0, 255);

 glErrorShouldBe(gl, gl.NO_ERROR);

 debug("");
 var successfullyParsed = true;

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

 </body>
 </html>
	<!--

	/*
	** 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">
	<title>WebGL BindAttribLocation Long Names Conformance Tests</title>
	<link rel="stylesheet" href="../../resources/js-test-style.css"/>
	<script src="../../resources/js-test-pre.js"></script>
	<script src="../resources/webgl-test.js"></script>
	<script src="../resources/webgl-test-utils.js"></script>
	</head>
	<body>
	<div id="description"></div>
	<div id="console"></div>
	<canvas style="border: 1px solid black;" id="canvas" width="50" height="50"></canvas>
	<script id="vshader" type="text/something-not-javascript">
	attribute vec4 vPosition$(suffix);
	attribute vec4 vColor$(suffix);
	varying vec4 color;
	void main()
	{
	gl_Position = vPosition$(suffix);
	color = vColor$(suffix);
	}
	</script>
	<script id="fshader" type="text/something-not-javascript">
	precision mediump float;

	varying vec4 color;
	void main()
	{
	gl_FragColor = color;
	}
	</script>
	<script>
	"use strict";
	description("This test checks using long names with bindAttribLocation work.");

	debug("");
	debug("Canvas.getContext");

	var wtu = WebGLTestUtils;
	var gl = wtu.create3DContext("canvas");
	shouldBeNonNull("gl");

	function fail(x,y, buf, shouldBe)
	{
	var i = (y50+x) 4;
	var reason = "pixel at ("+x+","+y+") is ("+buf[i]+","+buf[i+1]+","+buf[i+2]+","+buf[i+3]+"), should be "+shouldBe;
	testFailed(reason);
	}

	function pass()
	{
	testPassed("drawing is correct");
	}

	debug("");
	debug("Checking gl.bindAttribLocation with long names.");

	var program = gl.createProgram();

	var suffix = "long";
	for (var ii = 0; ii < 5; ++ii) {
	suffix = suffix + suffix;
	}
	var replacements = {
	suffix: suffix
	};

	var vsrc = wtu.replaceParams(wtu.getScript("vshader"), replacements);
	var fsrc = wtu.replaceParams(wtu.getScript("fshader"), replacements);

	var vs = wtu.loadShader(gl, vsrc, gl.VERTEX_SHADER);
	var fs = wtu.loadShader(gl, fsrc, gl.FRAGMENT_SHADER);

	var attribs = {
	vPosition: "vPosition" + suffix,
	vColor: "vColor" + suffix
	};

	gl.attachShader(program, vs);
	gl.attachShader(program, fs);

	var positions = gl.createBuffer();
	gl.bindBuffer(gl.ARRAY_BUFFER, positions);
	gl.bufferData(
	gl.ARRAY_BUFFER,
	new Float32Array(
	[ 1.0, 1.0, 0.0,
	-1.0, 1.0, 0.0,
	-1.0, -1.0, 0.0,
	1.0, 1.0, 0.0,
	-1.0, -1.0, 0.0,
	1.0, -1.0, 0.0]),
	gl.STATIC_DRAW);

	var colors = gl.createBuffer();
	gl.bindBuffer(gl.ARRAY_BUFFER, colors);
	gl.bufferData(
	gl.ARRAY_BUFFER,
	new Float32Array(
	[ 0,1,0,1,
	0,1,0,1,
	0,1,0,1,
	0,1,0,1,
	0,1,0,1,
	0,1,0,1]),
	gl.STATIC_DRAW);

	function setBindLocations(colorLocation, positionLocation) {
	gl.bindAttribLocation(program, positionLocation, attribs.vPosition);
	gl.bindAttribLocation(program, colorLocation, attribs.vColor);
	gl.linkProgram(program);
	gl.useProgram(program);
	var linked = (gl.getProgramParameter(program, gl.LINK_STATUS) != 0);
	assertMsg(linked, "program linked successfully");

	debug("vPosition:" + gl.getAttribLocation(program, attribs.vPosition))
	debug("vColor :" + gl.getAttribLocation(program, attribs.vColor))
	assertMsg(gl.getAttribLocation(program, attribs.vPosition) == positionLocation,
	"location of vPosition should be " + positionLocation);
	assertMsg(gl.getAttribLocation(program, attribs.vColor) == colorLocation,
	"location of vColor should be " + colorLocation);

	var ploc = gl.getAttribLocation(program, attribs.vPosition);
	var cloc = gl.getAttribLocation(program, attribs.vColor);
	gl.bindBuffer(gl.ARRAY_BUFFER, positions);
	gl.enableVertexAttribArray(positionLocation);
	gl.vertexAttribPointer(positionLocation, 3, gl.FLOAT, false, 0, 0);
	gl.bindBuffer(gl.ARRAY_BUFFER, colors);
	gl.enableVertexAttribArray(colorLocation);
	gl.vertexAttribPointer(colorLocation, 4, gl.FLOAT, false, 0, 0);
	}

	function checkDraw(colorLocation, positionLocation, r, g, b, a) {
	wtu.clearAndDrawUnitQuad(gl);
	wtu.checkCanvas(gl, [r, g, b, a], "should be green");

	gl.disableVertexAttribArray(positionLocation);
	gl.disableVertexAttribArray(colorLocation);
	}

	setBindLocations(2, 3);
	checkDraw(2, 3, 0, 255, 0, 255);

	setBindLocations(0, 3);
	gl.disableVertexAttribArray(0);
	gl.vertexAttrib4f(0, 1, 0, 0, 1);
	checkDraw(0, 3, 255, 0, 0, 255);

	glErrorShouldBe(gl, gl.NO_ERROR);

	debug("");
	var successfullyParsed = true;

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

	</body>
	</html>