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

 <!--
 /*
 ** Copyright (c) 2014 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>Passing a struct containing a sampler to a 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>
 </head>

 <body>
 <canvas id="output" style="border: none;" width="64" height="64"></canvas>
 <div id="description"></div>
 <div id="console"></div>

 <script id="shader-fs" type="x-shader/x-fragment">
     precision mediump float;

     struct SomeStruct{
         sampler2D source;
     };

     vec4 fun(SomeStruct s){
         return texture2D(s.source, vec2(0.5));
     }

     uniform SomeStruct green;
     void main(){
         gl_FragColor = fun(green);
     }
 </script>

 <script id="shader-fs-array" type="x-shader/x-fragment">
     precision mediump float;

     struct SomeStruct{
         sampler2D source;
     };

     vec4 fun(SomeStruct s[2]){
         return texture2D(s[0].source, vec2(0.5));
     }

     uniform SomeStruct green[2];
     void main(){
         gl_FragColor = fun(green);
     }
 </script>

 <script>
 "use strict";

 description();
 debug("If the test passes correctly the viewport will be green.");

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

 var textureGreen;

 var createGreenTexture = function() {
     var texture = gl.createTexture();
     gl.bindTexture(gl.TEXTURE_2D, texture);
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
     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, texture, 1, 1, [0, 255, 0, 255]);
     gl.bindTexture(gl.TEXTURE_2D, null);
     return texture;
 };

 var test = function(fragShaderId, texUniformName) {
     var program = wtu.setupProgram(gl, [wtu.simpleVertexShader, fragShaderId], ["a_position"], [0], true);

     if (!program) {
         testFailed("Shader compilation/link failed");
     } else {
         // Bind texture
         var uniformMap = wtu.getUniformMap(gl, program);
         gl.activeTexture(gl.TEXTURE0);
         gl.bindTexture(gl.TEXTURE_2D, textureGreen);
         gl.uniform1i(uniformMap[texUniformName].location, 0);

         // Draw
         wtu.clearAndDrawUnitQuad(gl);

         // Verify output
         wtu.checkCanvasRect(gl, 0, 128, 256, 128, [0, 255,0, 255], "should be green",  1);
     }
 };

 if (!gl) {
     testFailed("context does not exist");
 } else {
     wtu.setupUnitQuad(gl, 0, 1);
     textureGreen = createGreenTexture();
     test("shader-fs", "green.source");
     test("shader-fs-array", "green[0].source");
 }
 var successfullyParsed = true;
 </script>
 <script src="../../../js/js-test-post.js"></script>
 </body>
 </html>
	<!--
	/*
	** Copyright (c) 2014 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>Passing a struct containing a sampler to a 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>
	</head>

	<body>
	<canvas id="output" style="border: none;" width="64" height="64"></canvas>
	<div id="description"></div>
	<div id="console"></div>

	<script id="shader-fs" type="x-shader/x-fragment">
	precision mediump float;

	struct SomeStruct{
	sampler2D source;
	};

	vec4 fun(SomeStruct s){
	return texture2D(s.source, vec2(0.5));
	}

	uniform SomeStruct green;
	void main(){
	gl_FragColor = fun(green);
	}
	</script>

	<script id="shader-fs-array" type="x-shader/x-fragment">
	precision mediump float;

	struct SomeStruct{
	sampler2D source;
	};

	vec4 fun(SomeStruct s[2]){
	return texture2D(s[0].source, vec2(0.5));
	}

	uniform SomeStruct green[2];
	void main(){
	gl_FragColor = fun(green);
	}
	</script>

	<script>
	"use strict";

	description();
	debug("If the test passes correctly the viewport will be green.");

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

	var textureGreen;

	var createGreenTexture = function() {
	var texture = gl.createTexture();
	gl.bindTexture(gl.TEXTURE_2D, texture);
	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
	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, texture, 1, 1, [0, 255, 0, 255]);
	gl.bindTexture(gl.TEXTURE_2D, null);
	return texture;
	};

	var test = function(fragShaderId, texUniformName) {
	var program = wtu.setupProgram(gl, [wtu.simpleVertexShader, fragShaderId], ["a_position"], [0], true);

	if (!program) {
	testFailed("Shader compilation/link failed");
	} else {
	// Bind texture
	var uniformMap = wtu.getUniformMap(gl, program);
	gl.activeTexture(gl.TEXTURE0);
	gl.bindTexture(gl.TEXTURE_2D, textureGreen);
	gl.uniform1i(uniformMap[texUniformName].location, 0);

	// Draw
	wtu.clearAndDrawUnitQuad(gl);

	// Verify output
	wtu.checkCanvasRect(gl, 0, 128, 256, 128, [0, 255,0, 255], "should be green", 1);
	}
	};

	if (!gl) {
	testFailed("context does not exist");
	} else {
	wtu.setupUnitQuad(gl, 0, 1);
	textureGreen = createGreenTexture();
	test("shader-fs", "green.source");
	test("shader-fs-array", "green[0].source");
	}
	var successfullyParsed = true;
	</script>
	<script src="../../../js/js-test-post.js"></script>
	</body>
	</html>