sdk/tests/conformance/glsl/bugs/sampler-array-struct-function-arg.html - external/khronosgroup/webgl - Git at Google

 <!--

 /*
 ** Copyright (c) 2017 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>GLSL struct containing an array of samplers passed into a user-defined function</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>
 <script src="../../../js/glsl-conformance-test.js"></script>
 </head>
 <body>

 <canvas id="output" style="border: none;" width="64" height="64"></canvas>
 <div id="description"></div>
 <div id="console"></div>
 <script id="fshaderSampler" type="x-shader/x-fragment">
 precision mediump float;

 struct S {
     sampler2D sam[2];
 };

 uniform S uni;

 vec4 useSampler(S arg)
 {
     return texture2D(arg.sam[0], vec2(0.0, 0.0));
 }

 void main() {
     gl_FragColor = vec4(useSampler(uni));
 }
 </script>
 <script type="application/javascript">
 "use strict";
 description();

 var wtu = WebGLTestUtils;
 var canvas = document.getElementById("output");
 var gl = wtu.create3DContext(canvas, undefined, 2);

 if (!gl) {
     testFailed("Could not create a GL context.");
 } else {
     debug("Drawing with a shader that uses a sampler array in a struct passed into a function.");
     var program = wtu.setupProgram(
         gl, [wtu.simpleVertexShader, 'fshaderSampler'], ['a_position'], [0], true);
     wtu.setupUnitQuad(gl);

     var tex = gl.createTexture();
     gl.bindTexture(gl.TEXTURE_2D, tex);
     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);
     wtu.fillTexture(gl, tex, 1, 1, [0, 255, 0, 255]);

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

 var successfullyParsed = true;
 </script>
 </body>
 </html>
	<!--

	/*
	** Copyright (c) 2017 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>GLSL struct containing an array of samplers passed into a user-defined function</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>
	<script src="../../../js/glsl-conformance-test.js"></script>
	</head>
	<body>

	<canvas id="output" style="border: none;" width="64" height="64"></canvas>
	<div id="description"></div>
	<div id="console"></div>
	<script id="fshaderSampler" type="x-shader/x-fragment">
	precision mediump float;

	struct S {
	sampler2D sam[2];
	};

	uniform S uni;

	vec4 useSampler(S arg)
	{
	return texture2D(arg.sam[0], vec2(0.0, 0.0));
	}

	void main() {
	gl_FragColor = vec4(useSampler(uni));
	}
	</script>
	<script type="application/javascript">
	"use strict";
	description();

	var wtu = WebGLTestUtils;
	var canvas = document.getElementById("output");
	var gl = wtu.create3DContext(canvas, undefined, 2);

	if (!gl) {
	testFailed("Could not create a GL context.");
	} else {
	debug("Drawing with a shader that uses a sampler array in a struct passed into a function.");
	var program = wtu.setupProgram(
	gl, [wtu.simpleVertexShader, 'fshaderSampler'], ['a_position'], [0], true);
	wtu.setupUnitQuad(gl);

	var tex = gl.createTexture();
	gl.bindTexture(gl.TEXTURE_2D, tex);
	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);
	wtu.fillTexture(gl, tex, 1, 1, [0, 255, 0, 255]);

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

	var successfullyParsed = true;
	</script>
	</body>
	</html>