LayoutTests/webgl/2.0.0/resources/webgl_test_files/conformance2/rendering/clearbuffer-sub-source.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>Test clearBuffer functions with optional srcOffset argument</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>
 <div id="description"></div>
 <div id="console"></div>
 <canvas id="canvas" width="20" height="20"> </canvas>
 <script>
 "use strict";
 description("This tests clearBuffer* functions with optional srcOffset argument");

 function verifyOnePixel(readFormat, readType, arrayType, expectedColor) {
   var buffer = new arrayType(4);
   gl.readPixels(0, 0, 1, 1, readFormat, readType, buffer);
   if (buffer[0] == expectedColor[0] &&
       buffer[1] == expectedColor[1] &&
       buffer[2] == expectedColor[2] &&
       buffer[3] == expectedColor[3]) {
     testPassed("clearBuffer sets the renderbuffer with the correct data");
   } else {
     testFailed("clearBuffer fails to work. Expected: " + expectedColor + ", got: " + buffer);
   }
 }

 function testClearBuffer(func, format, arrayType, readFormat, readType) {
   debug("");
   debug("Testing " + func);

   var fb = gl.createFramebuffer();
   gl.bindFramebuffer(gl.FRAMEBUFFER, fb);

   var renderbuffer = gl.createRenderbuffer();
   gl.bindRenderbuffer(gl.RENDERBUFFER, renderbuffer);
   gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, renderbuffer);
   gl.renderbufferStorage(gl.RENDERBUFFER, format, canvas.width, canvas.height);
   shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE');

   var srcData = new arrayType([1, 2, 3, 4, 5, 6]);
   gl[func](gl.COLOR, 0, srcData);
   wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearBuffer with no srcOffset should succeed");
   verifyOnePixel(readFormat, readType, arrayType, [1,2,3,4]);

   gl[func](gl.COLOR, 0, srcData, 0);
   wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearBuffer with srcOffset = 0 should succeed");
   verifyOnePixel(readFormat, readType, arrayType, [1,2,3,4]);

   gl[func](gl.COLOR, 0, srcData, 2);
   wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearBuffer with srcOffset = 2 should succeed");
   verifyOnePixel(readFormat, readType, arrayType, [3,4, 5, 6]);

   gl[func](gl.COLOR, 0, srcData, 4);
   wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "clearBuffer with srcOffset = 4 should fail: out of bounds");

   gl.deleteFramebuffer(fb);
   gl.deleteRenderbuffer(renderbuffer);
 }

 var wtu = WebGLTestUtils;
 var canvas = document.getElementById("canvas");
 var gl = wtu.create3DContext(canvas, undefined, 2);
 if (!gl) {
   testFailed("context does not exist");
 } else {
   testPassed("context exists");

   var testCases = [
     {
       func: "clearBufferiv", format: gl.RGBA32I, arrayType: Int32Array,
       readFormat: gl.RGBA_INTEGER, readType: gl.INT,
     },
     {
       func: "clearBufferuiv", format: gl.RGBA32UI, arrayType: Uint32Array,
       readFormat: gl.RGBA_INTEGER, readType: gl.UNSIGNED_INT,
     },
     {
       func: "clearBufferfv", format: gl.RGBA32F, arrayType: Float32Array,
       readFormat: gl.RGBA, readType: gl.FLOAT,
       extension: "EXT_color_buffer_float",
     },
   ];

   for (var tt = 0; tt < testCases.length; ++tt) {
     var test = testCases[tt];
     if (test.extension && !gl.getExtension(test.extension))
       continue;
     testClearBuffer(test.func, test.format, test.arrayType, test.readFormat, test.readType);
   }
 }

 debug("");
 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no error");
 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>Test clearBuffer functions with optional srcOffset argument</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>
	<div id="description"></div>
	<div id="console"></div>
	<canvas id="canvas" width="20" height="20"> </canvas>
	<script>
	"use strict";
	description("This tests clearBuffer* functions with optional srcOffset argument");

	function verifyOnePixel(readFormat, readType, arrayType, expectedColor) {
	var buffer = new arrayType(4);
	gl.readPixels(0, 0, 1, 1, readFormat, readType, buffer);
	if (buffer[0] == expectedColor[0] &&
	buffer[1] == expectedColor[1] &&
	buffer[2] == expectedColor[2] &&
	buffer[3] == expectedColor[3]) {
	testPassed("clearBuffer sets the renderbuffer with the correct data");
	} else {
	testFailed("clearBuffer fails to work. Expected: " + expectedColor + ", got: " + buffer);
	}
	}

	function testClearBuffer(func, format, arrayType, readFormat, readType) {
	debug("");
	debug("Testing " + func);

	var fb = gl.createFramebuffer();
	gl.bindFramebuffer(gl.FRAMEBUFFER, fb);

	var renderbuffer = gl.createRenderbuffer();
	gl.bindRenderbuffer(gl.RENDERBUFFER, renderbuffer);
	gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, renderbuffer);
	gl.renderbufferStorage(gl.RENDERBUFFER, format, canvas.width, canvas.height);
	shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE');

	var srcData = new arrayType([1, 2, 3, 4, 5, 6]);
	gl[func](gl.COLOR, 0, srcData);
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearBuffer with no srcOffset should succeed");
	verifyOnePixel(readFormat, readType, arrayType, [1,2,3,4]);

	gl[func](gl.COLOR, 0, srcData, 0);
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearBuffer with srcOffset = 0 should succeed");
	verifyOnePixel(readFormat, readType, arrayType, [1,2,3,4]);

	gl[func](gl.COLOR, 0, srcData, 2);
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearBuffer with srcOffset = 2 should succeed");
	verifyOnePixel(readFormat, readType, arrayType, [3,4, 5, 6]);

	gl[func](gl.COLOR, 0, srcData, 4);
	wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "clearBuffer with srcOffset = 4 should fail: out of bounds");

	gl.deleteFramebuffer(fb);
	gl.deleteRenderbuffer(renderbuffer);
	}

	var wtu = WebGLTestUtils;
	var canvas = document.getElementById("canvas");
	var gl = wtu.create3DContext(canvas, undefined, 2);
	if (!gl) {
	testFailed("context does not exist");
	} else {
	testPassed("context exists");

	var testCases = [
	{
	func: "clearBufferiv", format: gl.RGBA32I, arrayType: Int32Array,
	readFormat: gl.RGBA_INTEGER, readType: gl.INT,
	},
	{
	func: "clearBufferuiv", format: gl.RGBA32UI, arrayType: Uint32Array,
	readFormat: gl.RGBA_INTEGER, readType: gl.UNSIGNED_INT,
	},
	{
	func: "clearBufferfv", format: gl.RGBA32F, arrayType: Float32Array,
	readFormat: gl.RGBA, readType: gl.FLOAT,
	extension: "EXT_color_buffer_float",
	},
	];

	for (var tt = 0; tt < testCases.length; ++tt) {
	var test = testCases[tt];
	if (test.extension && !gl.getExtension(test.extension))
	continue;
	testClearBuffer(test.func, test.format, test.arrayType, test.readFormat, test.readType);
	}
	}

	debug("");
	wtu.glErrorShouldBe(gl, gl.NO_ERROR, "should be no error");
	var successfullyParsed = true;

	</script>
	<script src="../../js/js-test-post.js"></script>

	</body>
	</html>