LayoutTests/webgl/2.0.0/resources/webgl_test_files/conformance2/attribs/gl-vertex-attrib-i-render.html - WebKit - Git at Google

 <!--

 /*
 ** Copyright (c) 2015 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">
 <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
 layout(location=0) in ivec2 p;
 layout(location=1) in ivec4 a;
 void main()
 {
     gl_Position = vec4(p.x + a.x + a.y + a.z + a.w, p.y, 0.0, 10.0);
 }
 </script>
 <script id='vshader_unsigned' type='x-shader/x-vertex'>#version 300 es
 layout(location=0) in ivec2 p;
 layout(location=1) in uvec4 a;
 void main()
 {
     gl_Position = vec4(p.x + int(a.x + a.y + a.z + a.w), p.y, 0.0, 10.0);
 }
 </script>
 <script id='fshader' type='x-shader/x-fragment'>#version 300 es
 precision mediump float;
 layout(location=0) out vec4 oColor;
 void main()
 {
     oColor = vec4(1.0, 0.0, 0.0, 1.0);
 }
 </script>
 <script>
 "use strict";
 function checkRedPortion(gl, w, low, high) {
     var buf = new Uint8Array(w * w * 4);
     gl.readPixels(0, 0, w, w, gl.RGBA, gl.UNSIGNED_BYTE, buf);
     var i = 0;
     for (; i < w; ++i) {
         if (buf[i * 4 + 0] == 255 && buf[i * 4 + 1] == 0 && buf[i * 4 + 2] == 0 && buf[i * 4 + 3] == 255) {
             break;
         }
     }
     return low <= i && i <= high;
 }

 function runTest() {
     var wtu = WebGLTestUtils;
     var gl = wtu.create3DContext('testbed', { preserveDrawingBuffer : true }, 2);
     if (!gl) {
         testFailed('could not create context');
         return;
     }
     var program = wtu.setupProgram(gl, ['vshader', 'fshader']);
     var program_unsigned = wtu.setupProgram(gl, ['vshader_unsigned', 'fshader']);

     gl.enableVertexAttribArray(0);
     var pos = gl.createBuffer();
     gl.bindBuffer(gl.ARRAY_BUFFER, pos);
     gl.bufferData(gl.ARRAY_BUFFER, new Int32Array([-10, -10, 10, -10, -10, 10, 10, 10]), gl.STATIC_DRAW);

     gl.vertexAttribIPointer(0, 2, gl.INT, 4 * 2, 0);

     debug('Test vertexAttribI4[ui][v] by setting different combinations that add up to 15 and use that when rendering.');
     var vals = [[2, -3, 6, 10], [1, 3, 1, 10], [-10, 3, 2, 20], [5, 6, 2, 2]];
     var tests = ['vertexAttribI4i', 'vertexAttribI4ui', 'vertexAttribI4iv', 'vertexAttribI4uiv'];

     for (var ii = 0; ii < 4; ++ii) {
         if (ii % 2 == 0) {
             gl.useProgram(program);
         } else {
             gl.useProgram(program_unsigned);
         }
         gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
         if (ii < 2) {
             gl[tests[ii]](1, vals[ii][0], vals[ii][1], vals[ii][2], vals[ii][3]);
         } else {
             gl[tests[ii]](1, vals[ii]);
         }
         gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);

         if (checkRedPortion(gl, 50, 50 * 0.7, 50 * 0.8)) {
             testPassed('Attribute of ' + tests[ii] + ' was set correctly');
         } else {
             testFailed('Attribute of ' + tests[ii] + ' was not set correctly');
         }
     }
 }
 </script>
 </head>
 <body>
 <canvas id="testbed" width="50" height="50"></canvas>
 <div id="description"></div>
 <div id="console"></div>
 <script>
 "use strict";
 description('Verify that using constant attributes for vertexAttribI* works.');
 runTest();
 var successfullyParsed = true;
 </script>
 <script src="../../js/js-test-post.js"></script>
 </body>
 </html>
	<!--

	/*
	** Copyright (c) 2015 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">
	<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
	layout(location=0) in ivec2 p;
	layout(location=1) in ivec4 a;
	void main()
	{
	gl_Position = vec4(p.x + a.x + a.y + a.z + a.w, p.y, 0.0, 10.0);
	}
	</script>
	<script id='vshader_unsigned' type='x-shader/x-vertex'>#version 300 es
	layout(location=0) in ivec2 p;
	layout(location=1) in uvec4 a;
	void main()
	{
	gl_Position = vec4(p.x + int(a.x + a.y + a.z + a.w), p.y, 0.0, 10.0);
	}
	</script>
	<script id='fshader' type='x-shader/x-fragment'>#version 300 es
	precision mediump float;
	layout(location=0) out vec4 oColor;
	void main()
	{
	oColor = vec4(1.0, 0.0, 0.0, 1.0);
	}
	</script>
	<script>
	"use strict";
	function checkRedPortion(gl, w, low, high) {
	var buf = new Uint8Array(w * w * 4);
	gl.readPixels(0, 0, w, w, gl.RGBA, gl.UNSIGNED_BYTE, buf);
	var i = 0;
	for (; i < w; ++i) {
	if (buf[i * 4 + 0] == 255 && buf[i * 4 + 1] == 0 && buf[i * 4 + 2] == 0 && buf[i * 4 + 3] == 255) {
	break;
	}
	}
	return low <= i && i <= high;
	}

	function runTest() {
	var wtu = WebGLTestUtils;
	var gl = wtu.create3DContext('testbed', { preserveDrawingBuffer : true }, 2);
	if (!gl) {
	testFailed('could not create context');
	return;
	}
	var program = wtu.setupProgram(gl, ['vshader', 'fshader']);
	var program_unsigned = wtu.setupProgram(gl, ['vshader_unsigned', 'fshader']);

	gl.enableVertexAttribArray(0);
	var pos = gl.createBuffer();
	gl.bindBuffer(gl.ARRAY_BUFFER, pos);
	gl.bufferData(gl.ARRAY_BUFFER, new Int32Array([-10, -10, 10, -10, -10, 10, 10, 10]), gl.STATIC_DRAW);

	gl.vertexAttribIPointer(0, 2, gl.INT, 4 * 2, 0);

	debug('Test vertexAttribI4[ui][v] by setting different combinations that add up to 15 and use that when rendering.');
	var vals = [[2, -3, 6, 10], [1, 3, 1, 10], [-10, 3, 2, 20], [5, 6, 2, 2]];
	var tests = ['vertexAttribI4i', 'vertexAttribI4ui', 'vertexAttribI4iv', 'vertexAttribI4uiv'];

	for (var ii = 0; ii < 4; ++ii) {
	if (ii % 2 == 0) {
	gl.useProgram(program);
	} else {
	gl.useProgram(program_unsigned);
	}
	gl.clear(gl.COLOR_BUFFER_BIT \| gl.DEPTH_BUFFER_BIT);
	if (ii < 2) {
	gl[tests[ii]](1, vals[ii][0], vals[ii][1], vals[ii][2], vals[ii][3]);
	} else {
	gl[tests[ii]](1, vals[ii]);
	}
	gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);

	if (checkRedPortion(gl, 50, 50 * 0.7, 50 * 0.8)) {
	testPassed('Attribute of ' + tests[ii] + ' was set correctly');
	} else {
	testFailed('Attribute of ' + tests[ii] + ' was not set correctly');
	}
	}
	}
	</script>
	</head>
	<body>
	<canvas id="testbed" width="50" height="50"></canvas>
	<div id="description"></div>
	<div id="console"></div>
	<script>
	"use strict";
	description('Verify that using constant attributes for vertexAttribI* works.');
	runTest();
	var successfullyParsed = true;
	</script>
	<script src="../../js/js-test-post.js"></script>
	</body>
	</html>