src/third_party/webgl/src/conformance-suites/1.0.1/conformance/misc/webgl-specific.html

   1 <!--
   2 Copyright (c) 2011 The Chromium Authors. All rights reserved.
   3 Use of this source code is governed by a BSD-style license that can be
   4 found in the LICENSE file.
   5  -->
   6 <!DOCTYPE html>
   7 <html>
   8 <head>
   9 <meta charset="utf-8">
  10 <title>WebGL GLES2 difference test.</title>
  11 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
  12 <script src="../../resources/js-test-pre.js"></script>
  13 <script src="../resources/webgl-test.js"></script>
  14 <script src="../resources/webgl-test-utils.js"></script>
  15 </head>
  16 <body>
  17 <div id="description"></div>
  18 <div id="console"></div>
  19
  20 <script>
  21 var wtu = WebGLTestUtils;
  22 description("Tests the a few differences between WebGL and GLES2");
  23
  24 var gl = wtu.create3DContext();
  25 var program = wtu.loadStandardProgram(gl);
  26 gl.useProgram(program);
  27 var vertexObject = gl.createBuffer();
  28 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
  29 gl.enableVertexAttribArray(0);
  30 glErrorShouldBe(gl, gl.NO_ERROR, "Setup should succeed");
  31
  32 debug("");
  33 debug("Verify that constant color and constant alpha cannot be used together as source and destination factors in the blend function");
  34 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_COLOR, gl.CONSTANT_ALPHA)");
  35 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_COLOR, gl.CONSTANT_ALPHA)");
  36 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA)");
  37 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA)");
  38 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_ALPHA, gl.CONSTANT_COLOR)");
  39 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR)");
  40 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_ALPHA, gl.CONSTANT_COLOR)");
  41 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFunc(gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR)");
  42
  43 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_COLOR, gl.CONSTANT_ALPHA, gl.ONE, gl.ZERO)");
  44 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_COLOR, gl.CONSTANT_ALPHA, gl.ONE, gl.ZERO)");
  45 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE, gl.ZERO)");
  46 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE, gl.ZERO)");
  47 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_ALPHA, gl.CONSTANT_COLOR, gl.ONE, gl.ZERO)");
  48 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE, gl.ZERO)");
  49 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_ALPHA, gl.CONSTANT_COLOR, gl.ONE, gl.ZERO)");
  50 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.blendFuncSeparate(gl.ONE_MINUS_CONSTANT_ALPHA, gl.ONE_MINUS_CONSTANT_COLOR, gl.ONE, gl.ZERO)");
  51
  52 debug("");
  53 debug("Verify that in depthRange zNear <= zFar");
  54 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.depthRange(20, 10)");
  55
  56 debug("");
  57 debug("Verify that front/back settings should be the same for stenclMask and stencilFunc");
  58 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilMask(255)");
  59 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  60 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilMaskSeparate(gl.FRONT, 1)");
  61 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  62 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilMaskSeparate(gl.BACK, 1)");
  63 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  64
  65 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFunc(gl.ALWAYS, 0, 255)");
  66 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  67 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.BACK, gl.ALWAYS, 1, 255)");
  68 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  69 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.FRONT, gl.ALWAYS, 1, 255)");
  70 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  71 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.BACK, gl.ALWAYS, 1, 1)");
  72 shouldGenerateGLError(gl, gl.INVALID_OPERATION, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  73 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.stencilFuncSeparate(gl.FRONT, gl.ALWAYS, 1, 1)");
  74 shouldGenerateGLError(gl, gl.NO_ERROR, "gl.drawArrays(gl.TRIANGLES, 0, 0)");
  75
  76 // Added in 1.0.3 version of spec.
  77 // debug("");
  78 // debug("Verify that IMPLEMENTATION_COLOR_READ_FORMAT and IMPLEMENTATION_COLOR_READ_TYPE are undefined");
  79 // shouldBeUndefined(gl.IMPLEMENTATION_COLOR_READ_FORMAT);
  80 // shouldBeUndefined(gl.IMPLEMENTATION_COLOR_READ_TYPE);
  81
  82 debug("");
  83 debug("Verify that *LENGTH are undefined");
  84 shouldBeUndefined(gl.INFO_LOG_LENGTH);
  85 shouldBeUndefined(gl.SHADER_SOURCE_LENGTH);
  86 shouldBeUndefined(gl.ACTIVE_UNIFORM_MAX_LENGTH);
  87 shouldBeUndefined(gl.ACTIVE_ATTRIB_MAX_LENGTH);
  88
  89 debug("");
  90 debug("Verify that UNPACK_COLORSPACE_CONVERSION_WEBGL is supported");
  91 shouldBe("gl.getParameter(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL)", "gl.BROWSER_DEFAULT_WEBGL");
  92 gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);
  93 shouldBe("gl.getParameter(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL)", "gl.NONE");
  94 glErrorShouldBe(gl, gl.NO_ERROR, "set/get UNPACK_COLORSPACE_CONVERSION_WEBGL should generate no error");
  95
  96 debug("");
  97 debug("Verify that drawingBufferWidth and drawingBufferHeights are implemented");
  98 shouldBeTrue("gl.drawingBufferWidth >= 0 && gl.drawingBufferHeight >= 0");
  99
 100 successfullyParsed = true;
 101 </script>
 102
 103 <script src="../../resources/js-test-post.js"></script>
 104 </body>
 105 </html>