LayoutTests/http/tests/webgl/1.0.2/resources/webgl_test_files/conformance/textures/texparameter-test.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 TexParameter 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.js"> </script>
     <script src="../resources/webgl-test-utils.js"> </script>
 </head>
 <body>
 <canvas id="example" width="24" height="24"></canvas>
 <canvas id="canvas2d" width="2" height="2"></canvas>
 <div id="description"></div>
 <div id="console"></div>
 <script id="vshader" type="x-shader/x-vertex">
 uniform mat4 world;
 attribute vec3 vPosition;
 attribute vec2 texCoord0;
 varying vec2 texCoord;
 void main()
 {
   gl_Position = world * vec4(vPosition, 1);
   texCoord = texCoord0;
 }
 </script>

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

 uniform sampler2D tex;
 varying vec2 texCoord;
 void main()
 {
   gl_FragColor = texture2D(tex, texCoord);
 }
 </script>

 <script>
 "use strict";
 function init()
 {
   description("Tests TexParameter works as expected");
   debug("");

   var canvas2d = document.getElementById("canvas2d");
   var ctx2d = canvas2d.getContext("2d");

   var wtu = WebGLTestUtils;
   var gl = wtu.create3DContext("example");
   var program = wtu.setupProgram(gl, ["vshader", "fshader"], ["vPosition", "texCoord0"]);

   var vertexObject = gl.createBuffer();
   gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
   gl.bufferData(
       gl.ARRAY_BUFFER,
       new Float32Array([-1, 1,0, 1,1,0, -1,-1,0,
                            -1,-1,0, 1,1,0,  1,-1,0]),
       gl.STATIC_DRAW);
   gl.enableVertexAttribArray(0);
   gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);

   var vertexObject = gl.createBuffer();
   gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
   gl.bufferData(
       gl.ARRAY_BUFFER,
       new Float32Array([ -2.5,-2.5, 3.5,-2.5, -2.5,3.5,
                             -2.5,3.5, 3.5,-2.5, 3.5,3.5]),
       gl.STATIC_DRAW);
   gl.enableVertexAttribArray(1);
   gl.vertexAttribPointer(1, 2, gl.FLOAT, false, 0, 0);

   var colors = [
       [0,255,128,255],
       [128,64,255,255],
       [192,255,64,255],
       [200,0,255,255]];
   var texParam = [
     gl.REPEAT,
     gl.CLAMP_TO_EDGE,
     gl.MIRRORED_REPEAT,
     gl.REPEAT];

   // Make textures setting the texture parameters differently each time..
   // This verifies both that the render correct AND that texture parameters
   // are associated with the textures, not with the texture-units.
   var textures = [];
   for (var ii = 0; ii < colors.length; ++ii) {
     var c = colors[ii];
     ctx2d.fillStyle =
         "rgba(" + c[0] + "," + c[1] + "," + c[2] + "," + c[3] + ")";
     ctx2d.fillRect(0, 0, 1, 1);
     var tex = gl.createTexture();
     gl.bindTexture(gl.TEXTURE_2D, tex);
     gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d);
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, texParam[ii]);
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, texParam[ii]);
     textures[ii] = tex;
   }

   var textureLoc = gl.getUniformLocation(program, "tex");
   var worldLoc = gl.getUniformLocation(program, "world");

   gl.clearColor(1,1,1,1);
   gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);

   for (var ii = 0; ii < colors.length; ++ii) {
     var x = ii % 2;
     var y = Math.floor(ii / 2);
     gl.bindTexture(gl.TEXTURE_2D, textures[ii]);
     gl.uniformMatrix4fv(
         worldLoc, false,
         [0.5, 0, 0, 0,
          0, 0.5, 0, 0,
          0, 0, 1, 0,
          -0.5 + x, -0.5 + y, 0, 1]);
     gl.drawArrays(gl.TRIANGLES, 0, 6);
   }

   var buf = new Uint8Array(24 * 24 * 4);
   gl.readPixels(0, 0, 24, 24, gl.RGBA, gl.UNSIGNED_BYTE, buf);
   var passed = true;
   for (var ii = 0; ii < colors.length; ++ii) {
     var x = ii % 2;
     var y = Math.floor(ii / 2);
     var c = colors[ii];
     for (var yy = 0; yy < 12; ++yy) {
       for (var xx = 0; xx < 12; ++xx) {
         var ec = [0,0,0,0];
         switch (texParam[ii]) {
           case gl.REPEAT:
             if (xx % 2 == 1 && yy % 2 == 0) {
               ec = c;
             }
             break;
           case gl.CLAMP_TO_EDGE:
             if (xx < 6 && yy >= 6) {
               ec = c;
             }
             break;
           case gl.MIRRORED_REPEAT:
             if (xx % 4 < 2 && yy % 4 >= 2) {
               ec = c;
             }
             break;
         }
         var off = ((y * 12 + yy) * 24 + x * 12 + xx) * 4;
         if (buf[off + 0] != ec[0] ||
             buf[off + 1] != ec[1] ||
             buf[off + 2] != ec[2] ||
             buf[off + 3] != ec[3]) {
           var msg = 'at (' + (x * 12 + xx) + ', ' + (y * 12 + yy) +
               ') expected: ' +
               ec[0] + ', ' + ec[1] + ', ' + ec[2] + ', ' + ec[3] + ' found: ' +
               buf[off + 0] + ', ' +
               buf[off + 1] + ', ' +
               buf[off + 2] + ', ' +
               buf[off + 3];
           testFailed(msg);
           passed = false;
         }
       }
     }
   }
   if (passed) {
     testPassed("rendered as expected");
    }
 }

 init();
 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 TexParameter 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.js"> </script>
	<script src="../resources/webgl-test-utils.js"> </script>
	</head>
	<body>
	<canvas id="example" width="24" height="24"></canvas>
	<canvas id="canvas2d" width="2" height="2"></canvas>
	<div id="description"></div>
	<div id="console"></div>
	<script id="vshader" type="x-shader/x-vertex">
	uniform mat4 world;
	attribute vec3 vPosition;
	attribute vec2 texCoord0;
	varying vec2 texCoord;
	void main()
	{
	gl_Position = world * vec4(vPosition, 1);
	texCoord = texCoord0;
	}
	</script>

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

	uniform sampler2D tex;
	varying vec2 texCoord;
	void main()
	{
	gl_FragColor = texture2D(tex, texCoord);
	}
	</script>

	<script>
	"use strict";
	function init()
	{
	description("Tests TexParameter works as expected");
	debug("");

	var canvas2d = document.getElementById("canvas2d");
	var ctx2d = canvas2d.getContext("2d");

	var wtu = WebGLTestUtils;
	var gl = wtu.create3DContext("example");
	var program = wtu.setupProgram(gl, ["vshader", "fshader"], ["vPosition", "texCoord0"]);

	var vertexObject = gl.createBuffer();
	gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
	gl.bufferData(
	gl.ARRAY_BUFFER,
	new Float32Array([-1, 1,0, 1,1,0, -1,-1,0,
	-1,-1,0, 1,1,0, 1,-1,0]),
	gl.STATIC_DRAW);
	gl.enableVertexAttribArray(0);
	gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);

	var vertexObject = gl.createBuffer();
	gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
	gl.bufferData(
	gl.ARRAY_BUFFER,
	new Float32Array([ -2.5,-2.5, 3.5,-2.5, -2.5,3.5,
	-2.5,3.5, 3.5,-2.5, 3.5,3.5]),
	gl.STATIC_DRAW);
	gl.enableVertexAttribArray(1);
	gl.vertexAttribPointer(1, 2, gl.FLOAT, false, 0, 0);

	var colors = [
	[0,255,128,255],
	[128,64,255,255],
	[192,255,64,255],
	[200,0,255,255]];
	var texParam = [
	gl.REPEAT,
	gl.CLAMP_TO_EDGE,
	gl.MIRRORED_REPEAT,
	gl.REPEAT];

	// Make textures setting the texture parameters differently each time..
	// This verifies both that the render correct AND that texture parameters
	// are associated with the textures, not with the texture-units.
	var textures = [];
	for (var ii = 0; ii < colors.length; ++ii) {
	var c = colors[ii];
	ctx2d.fillStyle =
	"rgba(" + c[0] + "," + c[1] + "," + c[2] + "," + c[3] + ")";
	ctx2d.fillRect(0, 0, 1, 1);
	var tex = gl.createTexture();
	gl.bindTexture(gl.TEXTURE_2D, tex);
	gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d);
	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, texParam[ii]);
	gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, texParam[ii]);
	textures[ii] = tex;
	}

	var textureLoc = gl.getUniformLocation(program, "tex");
	var worldLoc = gl.getUniformLocation(program, "world");

	gl.clearColor(1,1,1,1);
	gl.clear(gl.COLOR_BUFFER_BIT \| gl.DEPTH_BUFFER_BIT);

	for (var ii = 0; ii < colors.length; ++ii) {
	var x = ii % 2;
	var y = Math.floor(ii / 2);
	gl.bindTexture(gl.TEXTURE_2D, textures[ii]);
	gl.uniformMatrix4fv(
	worldLoc, false,
	[0.5, 0, 0, 0,
	0, 0.5, 0, 0,
	0, 0, 1, 0,
	-0.5 + x, -0.5 + y, 0, 1]);
	gl.drawArrays(gl.TRIANGLES, 0, 6);
	}

	var buf = new Uint8Array(24 * 24 * 4);
	gl.readPixels(0, 0, 24, 24, gl.RGBA, gl.UNSIGNED_BYTE, buf);
	var passed = true;
	for (var ii = 0; ii < colors.length; ++ii) {
	var x = ii % 2;
	var y = Math.floor(ii / 2);
	var c = colors[ii];
	for (var yy = 0; yy < 12; ++yy) {
	for (var xx = 0; xx < 12; ++xx) {
	var ec = [0,0,0,0];
	switch (texParam[ii]) {
	case gl.REPEAT:
	if (xx % 2 == 1 && yy % 2 == 0) {
	ec = c;
	}
	break;
	case gl.CLAMP_TO_EDGE:
	if (xx < 6 && yy >= 6) {
	ec = c;
	}
	break;
	case gl.MIRRORED_REPEAT:
	if (xx % 4 < 2 && yy % 4 >= 2) {
	ec = c;
	}
	break;
	}
	var off = ((y * 12 + yy) * 24 + x * 12 + xx) * 4;
	if (buf[off + 0] != ec[0] \|\|
	buf[off + 1] != ec[1] \|\|
	buf[off + 2] != ec[2] \|\|
	buf[off + 3] != ec[3]) {
	var msg = 'at (' + (x * 12 + xx) + ', ' + (y * 12 + yy) +
	') expected: ' +
	ec[0] + ', ' + ec[1] + ', ' + ec[2] + ', ' + ec[3] + ' found: ' +
	buf[off + 0] + ', ' +
	buf[off + 1] + ', ' +
	buf[off + 2] + ', ' +
	buf[off + 3];
	testFailed(msg);
	passed = false;
	}
	}
	}
	}
	if (passed) {
	testPassed("rendered as expected");
	}
	}

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

	</body>
	</html>