LayoutTests/webgl/1.0.3/resources/webgl_test_files/conformance/programs/gl-get-active-uniform.html - WebKit - 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 getActiveUniform conformance test.</title>
 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
 <script src="../../resources/js-test-pre.js"></script>
 <script src="../resources/webgl-test-utils.js"> </script>
 </head>
 <body>
 <canvas id="example" width="16" height="16"></canvas>
 <div id="description"></div>
 <div id="console"></div>
 <script id="vshader" type="x-shader/x-vertex">
 void main()
 {
     gl_Position = vec4(0, 0, 0, 1);
 }
 </script>
 <script id="fshader" type="x-shader/x-fragment">
 precision mediump float;
 uniform $type uniform0;
 void main()
 {
     gl_FragColor = vec4(0,$access,0,1);
 }
 </script>
 <script id="fshaderA" type="x-shader/x-fragment">
 precision mediump float;
 uniform float uniform0;
 void main()
 {
     gl_FragColor = vec4(0,uniform0,0,1);
 }
 </script>
 <script id="fshaderB" type="x-shader/x-fragment">
 precision mediump float;
 uniform float uniform0;
 uniform float uniform1;
 void main()
 {
     gl_FragColor = vec4(0,uniform0,uniform1,1);
 }
 </script>
 <script>
 "use strict";
 description("Tests getActiveUniform for various types");

 var wtu = WebGLTestUtils;
 var gl = wtu.create3DContext("example");

 var tests = [
 { glType: gl.FLOAT,      size: 1, type: 'float', access: 'uniform0'},
 { glType: gl.FLOAT_VEC2, size: 1, type: 'vec2',  access: 'uniform0[1]'},
 { glType: gl.FLOAT_VEC3, size: 1, type: 'vec3',  access: 'uniform0[2]'},
 { glType: gl.FLOAT_VEC4, size: 1, type: 'vec4',  access: 'uniform0[3]'},
 { glType: gl.FLOAT_MAT2, size: 1, type: 'mat2',  access: 'uniform0[1][1]'},
 { glType: gl.FLOAT_MAT3, size: 1, type: 'mat3',  access: 'uniform0[2][2]'},
 { glType: gl.FLOAT_MAT3, size: 1, type: 'mat3',  access: 'uniform0[2][2]'},
 { glType: gl.FLOAT_MAT4, size: 1, type: 'mat4',  access: 'uniform0[3][3]'},
 { glType: gl.INT,        size: 1, type: 'int',   access: 'float(uniform0)'},
 { glType: gl.INT_VEC2,   size: 1, type: 'ivec2', access: 'float(uniform0[1])'},
 { glType: gl.INT_VEC3,   size: 1, type: 'ivec3', access: 'float(uniform0[2])'},
 { glType: gl.INT_VEC4,   size: 1, type: 'ivec4', access: 'float(uniform0[3])'},
 { glType: gl.BOOL,       size: 1, type: 'bool',  access: 'float(uniform0)'},
 { glType: gl.BOOL_VEC2,  size: 1, type: 'bvec2', access: 'float(uniform0[1])'},
 { glType: gl.BOOL_VEC3,  size: 1, type: 'bvec3', access: 'float(uniform0[2])'},
 { glType: gl.BOOL_VEC4,  size: 1, type: 'bvec4', access: 'float(uniform0[3])'},
 { glType: gl.SAMPLER_2D,
   size: 1,
   type: 'sampler2D',
   access: 'texture2D(uniform0, vec2(0,0)).x'
 },
 { glType: gl.SAMPLER_CUBE,
   size: 1,
   type: 'samplerCube',
   access: 'textureCube(uniform0, vec3(0,1,0)).x'
 }
 ];

 var vs = wtu.loadShaderFromScript(gl, 'vshader', gl.VERTEX_SHADER);
 var source = document.getElementById('fshader').text;

 function createProgram(type, access) {
   var fs = wtu.loadShader(
       gl,
       source.replace('$type', type).replace('$access', access),
       gl.FRAGMENT_SHADER);
   var program = wtu.setupProgram(gl, [vs, fs]);
   wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors from setup");
   return program;
 }

 for (var tt = 0; tt < tests.length; ++tt) {
   var t = tests[tt];
   var program = createProgram(t.type, t.access);
   var numUniforms = gl.getProgramParameter(program, gl.ACTIVE_UNIFORMS);
   var found = false;
   for (var ii = 0; ii < numUniforms; ++ii) {
     var info = gl.getActiveUniform(program, ii);
     if (info.name == 'uniform0') {
       found = true;
       assertMsg(info.type == t.glType,
                 "type must be " + wtu.glEnumToString(gl, t.glType) + " was " +
                 wtu.glEnumToString(gl, info.type));
       assertMsg(info.size == t.size,
                 "size must be " + t.size + ' was ' + info.size);
     }
   }
   if (!found) {
     testFailed("uniform 'uniform0' not found");
   }
 }

 var p1 = wtu.setupProgram(gl, [vs, 'fshaderA']);
 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors from program A");
 var p2 = wtu.setupProgram(gl, [vs, 'fshaderB']);
 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors from program B");
 var l1 = gl.getUniformLocation(p1, 'uniform0');
 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors getting location of uniform0 p1");
 var l2 = gl.getUniformLocation(p2, 'uniform0');
 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors getting location of uniform0 p2");

 gl.useProgram(p2);
 gl.uniform1f(l2, 1);
 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors setting uniform 0");
 gl.uniform1f(l1, 2);
 wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION,
                 "setting a uniform using a location from another program");

 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 getActiveUniform conformance test.</title>
	<link rel="stylesheet" href="../../resources/js-test-style.css"/>
	<script src="../../resources/js-test-pre.js"></script>
	<script src="../resources/webgl-test-utils.js"> </script>
	</head>
	<body>
	<canvas id="example" width="16" height="16"></canvas>
	<div id="description"></div>
	<div id="console"></div>
	<script id="vshader" type="x-shader/x-vertex">
	void main()
	{
	gl_Position = vec4(0, 0, 0, 1);
	}
	</script>
	<script id="fshader" type="x-shader/x-fragment">
	precision mediump float;
	uniform $type uniform0;
	void main()
	{
	gl_FragColor = vec4(0,$access,0,1);
	}
	</script>
	<script id="fshaderA" type="x-shader/x-fragment">
	precision mediump float;
	uniform float uniform0;
	void main()
	{
	gl_FragColor = vec4(0,uniform0,0,1);
	}
	</script>
	<script id="fshaderB" type="x-shader/x-fragment">
	precision mediump float;
	uniform float uniform0;
	uniform float uniform1;
	void main()
	{
	gl_FragColor = vec4(0,uniform0,uniform1,1);
	}
	</script>
	<script>
	"use strict";
	description("Tests getActiveUniform for various types");

	var wtu = WebGLTestUtils;
	var gl = wtu.create3DContext("example");

	var tests = [
	{ glType: gl.FLOAT, size: 1, type: 'float', access: 'uniform0'},
	{ glType: gl.FLOAT_VEC2, size: 1, type: 'vec2', access: 'uniform0[1]'},
	{ glType: gl.FLOAT_VEC3, size: 1, type: 'vec3', access: 'uniform0[2]'},
	{ glType: gl.FLOAT_VEC4, size: 1, type: 'vec4', access: 'uniform0[3]'},
	{ glType: gl.FLOAT_MAT2, size: 1, type: 'mat2', access: 'uniform0[1][1]'},
	{ glType: gl.FLOAT_MAT3, size: 1, type: 'mat3', access: 'uniform0[2][2]'},
	{ glType: gl.FLOAT_MAT3, size: 1, type: 'mat3', access: 'uniform0[2][2]'},
	{ glType: gl.FLOAT_MAT4, size: 1, type: 'mat4', access: 'uniform0[3][3]'},
	{ glType: gl.INT, size: 1, type: 'int', access: 'float(uniform0)'},
	{ glType: gl.INT_VEC2, size: 1, type: 'ivec2', access: 'float(uniform0[1])'},
	{ glType: gl.INT_VEC3, size: 1, type: 'ivec3', access: 'float(uniform0[2])'},
	{ glType: gl.INT_VEC4, size: 1, type: 'ivec4', access: 'float(uniform0[3])'},
	{ glType: gl.BOOL, size: 1, type: 'bool', access: 'float(uniform0)'},
	{ glType: gl.BOOL_VEC2, size: 1, type: 'bvec2', access: 'float(uniform0[1])'},
	{ glType: gl.BOOL_VEC3, size: 1, type: 'bvec3', access: 'float(uniform0[2])'},
	{ glType: gl.BOOL_VEC4, size: 1, type: 'bvec4', access: 'float(uniform0[3])'},
	{ glType: gl.SAMPLER_2D,
	size: 1,
	type: 'sampler2D',
	access: 'texture2D(uniform0, vec2(0,0)).x'
	},
	{ glType: gl.SAMPLER_CUBE,
	size: 1,
	type: 'samplerCube',
	access: 'textureCube(uniform0, vec3(0,1,0)).x'
	}
	];

	var vs = wtu.loadShaderFromScript(gl, 'vshader', gl.VERTEX_SHADER);
	var source = document.getElementById('fshader').text;

	function createProgram(type, access) {
	var fs = wtu.loadShader(
	gl,
	source.replace('$type', type).replace('$access', access),
	gl.FRAGMENT_SHADER);
	var program = wtu.setupProgram(gl, [vs, fs]);
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors from setup");
	return program;
	}

	for (var tt = 0; tt < tests.length; ++tt) {
	var t = tests[tt];
	var program = createProgram(t.type, t.access);
	var numUniforms = gl.getProgramParameter(program, gl.ACTIVE_UNIFORMS);
	var found = false;
	for (var ii = 0; ii < numUniforms; ++ii) {
	var info = gl.getActiveUniform(program, ii);
	if (info.name == 'uniform0') {
	found = true;
	assertMsg(info.type == t.glType,
	"type must be " + wtu.glEnumToString(gl, t.glType) + " was " +
	wtu.glEnumToString(gl, info.type));
	assertMsg(info.size == t.size,
	"size must be " + t.size + ' was ' + info.size);
	}
	}
	if (!found) {
	testFailed("uniform 'uniform0' not found");
	}
	}

	var p1 = wtu.setupProgram(gl, [vs, 'fshaderA']);
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors from program A");
	var p2 = wtu.setupProgram(gl, [vs, 'fshaderB']);
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors from program B");
	var l1 = gl.getUniformLocation(p1, 'uniform0');
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors getting location of uniform0 p1");
	var l2 = gl.getUniformLocation(p2, 'uniform0');
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors getting location of uniform0 p2");

	gl.useProgram(p2);
	gl.uniform1f(l2, 1);
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors setting uniform 0");
	gl.uniform1f(l1, 2);
	wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION,
	"setting a uniform using a location from another program");

	var successfullyParsed = true;
	</script>
	<script src="../../resources/js-test-post.js"></script>

	</body>
	</html>