LayoutTests/webgl/2.0.0/resources/webgl_test_files/conformance2/uniforms/uniform-blocks-with-arrays.html - WebKit - 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>WebGL uniform blocks containing arrays conformance tests</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 id="vshader" type="x-shader/x-vertex">#version 300 es
 in vec4 vPosition;
 void main() {
     gl_Position = vPosition;
 }
 </script>
 <script id="fshaderArraysOfStructs" type="x-shader/x-fragment">#version 300 es
 precision highp float;
 out vec4 my_FragColor;
 struct light_t {
     vec4 intensity;
 };
 const int maxLights = 2;
 layout(std140) uniform lightData { light_t lights[maxLights]; };
 vec4 processLight(vec4 lighting, light_t light)
 {
     return lighting + light.intensity;
 }
 void main()
 {
     vec4 lighting = vec4(0, 1, 0, 1);
     for (int n = 0; n < maxLights; n++)
         lighting = processLight(lighting, lights[n]);
     my_FragColor = lighting;
 }
 </script>
 <script id="fshaderArraysOfStructsContainingArrays" type="x-shader/x-fragment">#version 300 es
 precision highp float;
 out vec4 my_FragColor;
 struct light_t {
     vec4 intensity[3];
 };
 const int maxLights = 2;
 layout(std140) uniform lightData { light_t lights[maxLights]; };
 vec4 processLight(vec4 lighting, light_t light)
 {
     return lighting + light.intensity[1];
 }
 void main()
 {
     vec4 lighting = vec4(0, 1, 0, 1);
     for (int n = 0; n < maxLights; n++)
         lighting = processLight(lighting, lights[n]);
     my_FragColor = lighting;
 }
 </script>
 </head>
 <body>
 <div id="description"></div>
 <div id="console"></div>
 <script>
 "use strict";
 description();

 // GLSL ES 3.00.6 section 4.3.7:
 // "Otherwise, built-in types, previously declared structures, and arrays of these are allowed as the type of a declarator in the same manner they are allowed outside a block."

 var wtu = WebGLTestUtils;
 var gl = wtu.create3DContext(undefined, undefined, 2);

 function runTest(fragShader, bufferFloatCount, shaderBlockDescription) {
     debug('');
     debug('Testing fragment shader with an uniform block containing ' + shaderBlockDescription);
     var program = wtu.setupProgram(gl, ['vshader', fragShader], ['vPosition'], undefined, true);
     if (!program) {
         testFailed("Loading program failed");
         return;
     }
     var blockIndex = gl.getUniformBlockIndex(program, "lightData");

     var uniformBuffer = gl.createBuffer();
     gl.bindBuffer(gl.UNIFORM_BUFFER, uniformBuffer);
     gl.bufferData(gl.UNIFORM_BUFFER, new Float32Array(bufferFloatCount), gl.DYNAMIC_READ);

     gl.bindBufferBase(gl.UNIFORM_BUFFER, 0, uniformBuffer);
     gl.uniformBlockBinding(program, blockIndex, 0);

     wtu.glErrorShouldBe(gl, gl.NO_ERROR, "No errors from uniform buffer setup");

     wtu.clearAndDrawUnitQuad(gl);

     wtu.glErrorShouldBe(gl, gl.NO_ERROR, "No errors from draw");

     wtu.checkCanvas(gl, [0, 255, 0, 255], 'should be green', 1);
 }

 if (!gl) {
     testFailed("WebGL context creation failed");
 } else {
     wtu.setupUnitQuad(gl);
     runTest("fshaderArraysOfStructs", 2 * 4, 'arrays of structs');
     runTest("fshaderArraysOfStructsContainingArrays", 2 * 3 * 4, 'arrays of structs containing arrays');
 }

 debug("");
 var successfullyParsed = true;
 </script>
 <script src="../../js/js-test-post.js"></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>WebGL uniform blocks containing arrays conformance tests</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 id="vshader" type="x-shader/x-vertex">#version 300 es
	in vec4 vPosition;
	void main() {
	gl_Position = vPosition;
	}
	</script>
	<script id="fshaderArraysOfStructs" type="x-shader/x-fragment">#version 300 es
	precision highp float;
	out vec4 my_FragColor;
	struct light_t {
	vec4 intensity;
	};
	const int maxLights = 2;
	layout(std140) uniform lightData { light_t lights[maxLights]; };
	vec4 processLight(vec4 lighting, light_t light)
	{
	return lighting + light.intensity;
	}
	void main()
	{
	vec4 lighting = vec4(0, 1, 0, 1);
	for (int n = 0; n < maxLights; n++)
	lighting = processLight(lighting, lights[n]);
	my_FragColor = lighting;
	}
	</script>
	<script id="fshaderArraysOfStructsContainingArrays" type="x-shader/x-fragment">#version 300 es
	precision highp float;
	out vec4 my_FragColor;
	struct light_t {
	vec4 intensity[3];
	};
	const int maxLights = 2;
	layout(std140) uniform lightData { light_t lights[maxLights]; };
	vec4 processLight(vec4 lighting, light_t light)
	{
	return lighting + light.intensity[1];
	}
	void main()
	{
	vec4 lighting = vec4(0, 1, 0, 1);
	for (int n = 0; n < maxLights; n++)
	lighting = processLight(lighting, lights[n]);
	my_FragColor = lighting;
	}
	</script>
	</head>
	<body>
	<div id="description"></div>
	<div id="console"></div>
	<script>
	"use strict";
	description();

	// GLSL ES 3.00.6 section 4.3.7:
	// "Otherwise, built-in types, previously declared structures, and arrays of these are allowed as the type of a declarator in the same manner they are allowed outside a block."

	var wtu = WebGLTestUtils;
	var gl = wtu.create3DContext(undefined, undefined, 2);

	function runTest(fragShader, bufferFloatCount, shaderBlockDescription) {
	debug('');
	debug('Testing fragment shader with an uniform block containing ' + shaderBlockDescription);
	var program = wtu.setupProgram(gl, ['vshader', fragShader], ['vPosition'], undefined, true);
	if (!program) {
	testFailed("Loading program failed");
	return;
	}
	var blockIndex = gl.getUniformBlockIndex(program, "lightData");

	var uniformBuffer = gl.createBuffer();
	gl.bindBuffer(gl.UNIFORM_BUFFER, uniformBuffer);
	gl.bufferData(gl.UNIFORM_BUFFER, new Float32Array(bufferFloatCount), gl.DYNAMIC_READ);

	gl.bindBufferBase(gl.UNIFORM_BUFFER, 0, uniformBuffer);
	gl.uniformBlockBinding(program, blockIndex, 0);

	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "No errors from uniform buffer setup");

	wtu.clearAndDrawUnitQuad(gl);

	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "No errors from draw");

	wtu.checkCanvas(gl, [0, 255, 0, 255], 'should be green', 1);
	}

	if (!gl) {
	testFailed("WebGL context creation failed");
	} else {
	wtu.setupUnitQuad(gl);
	runTest("fshaderArraysOfStructs", 2 * 4, 'arrays of structs');
	runTest("fshaderArraysOfStructsContainingArrays", 2 * 3 * 4, 'arrays of structs containing arrays');
	}

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

	</body>
	</html>