From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 .../checkout/conformance/state/00_test_list.txt    |   8 +
 .../checkout/conformance/state/diffs.txt           |  69 +++++++
 .../conformance/state/gl-enable-enum-test.html     | 161 +++++++++++++++
 .../checkout/conformance/state/gl-enum-tests.html  |  50 +++++
 .../checkout/conformance/state/gl-get-calls.html   | 219 +++++++++++++++++++++
 .../checkout/conformance/state/gl-geterror.html    |  99 ++++++++++
 .../checkout/conformance/state/gl-getstring.html   |  81 ++++++++
 .../conformance/state/gl-initial-state.html        |  79 ++++++++
 .../conformance/state/gl-object-get-calls.html     |  47 +++++
 .../state/state-uneffected-after-compositing.html  | 107 ++++++++++
 10 files changed, 920 insertions(+)
 create mode 100644 dom/canvas/test/webgl-conf/checkout/conformance/state/00_test_list.txt
 create mode 100644 dom/canvas/test/webgl-conf/checkout/conformance/state/diffs.txt
 create mode 100644 dom/canvas/test/webgl-conf/checkout/conformance/state/gl-enable-enum-test.html
 create mode 100644 dom/canvas/test/webgl-conf/checkout/conformance/state/gl-enum-tests.html
 create mode 100644 dom/canvas/test/webgl-conf/checkout/conformance/state/gl-get-calls.html
 create mode 100644 dom/canvas/test/webgl-conf/checkout/conformance/state/gl-geterror.html
 create mode 100644 dom/canvas/test/webgl-conf/checkout/conformance/state/gl-getstring.html
 create mode 100644 dom/canvas/test/webgl-conf/checkout/conformance/state/gl-initial-state.html
 create mode 100644 dom/canvas/test/webgl-conf/checkout/conformance/state/gl-object-get-calls.html
 create mode 100644 dom/canvas/test/webgl-conf/checkout/conformance/state/state-uneffected-after-compositing.html

(limited to 'dom/canvas/test/webgl-conf/checkout/conformance/state')

diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/state/00_test_list.txt b/dom/canvas/test/webgl-conf/checkout/conformance/state/00_test_list.txt
new file mode 100644
index 000000000..a76c2f09f
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/state/00_test_list.txt
@@ -0,0 +1,8 @@
+gl-enable-enum-test.html
+--max-version 1.9.9 gl-enum-tests.html
+gl-get-calls.html
+gl-geterror.html
+--max-version 1.9.9 gl-getstring.html
+--min-version 1.0.4 gl-initial-state.html
+--max-version 1.9.9 gl-object-get-calls.html
+--min-version 1.0.3 state-uneffected-after-compositing.html
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/state/diffs.txt b/dom/canvas/test/webgl-conf/checkout/conformance/state/diffs.txt
new file mode 100644
index 000000000..24a17204f
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/state/diffs.txt
@@ -0,0 +1,69 @@
+4c4
+< ** Copyright (c) 2012 The Khronos Group Inc.
+---
+> ** Copyright (c) 2015 The Khronos Group Inc.
+34c34
+< <script src="../resources/webgl-test-utils.js"></script>
+---
+> <script src="../../conformance/resources/webgl-test-utils.js"></script>
+45,62c45
+< function sizeInBytes(type) {
+<   switch (type) {
+<   case gl.BYTE:
+<   case gl.UNSIGNED_BYTE:
+<     return 1;
+<   case gl.SHORT:
+<   case gl.UNSIGNED_SHORT:
+<     return 2;
+<   case gl.INT:
+<   case gl.UNSIGNED_INT:
+<   case gl.FLOAT:
+<     return 4;
+<   default:
+<     throw "unknown type";
+<   }
+< }
+< 
+< var gl = wtu.create3DContext();
+---
+> var gl = wtu.create3DContext(null, null, 2);
+191a175,178
+> var validArray = new Array(gl.COLOR_ATTACHMENT0, gl.DEPTH_ATTACHMENT, gl.STENCIL_ATTACHMENT, gl.DEPTH_STENCIL_ATTACHMENT);
+> for (var ii = 1; ii < gl.getParameter(gl.MAX_COLOR_ATTACHMENTS); ++ii) {
+>   validArray[validArray.length] = gl.COLOR_ATTACHMENT0 + ii;
+> }
+195,199c182
+<     [ gl.COLOR_ATTACHMENT0,
+<       gl.DEPTH_ATTACHMENT,
+<       gl.STENCIL_ATTACHMENT,
+<       gl.DEPTH_STENCIL_ATTACHMENT
+<     ],
+---
+>     validArray,
+257a241
+>       gl.RENDERBUFFER_SAMPLES,
+325c309
+< var boolProgram = wtu.loadProgramFromFile(gl, "../resources/boolUniformShader.vert", "../resources/noopUniformShader.frag");
+---
+> var boolProgram = wtu.loadProgramFromFile(gl, "../../conformance/resources/boolUniformShader.vert", "../../conformance/resources/noopUniformShader.frag");
+342c326
+< var intProgram = wtu.loadProgramFromFile(gl, "../resources/intUniformShader.vert", "../resources/noopUniformShader.frag");
+---
+> var intProgram = wtu.loadProgramFromFile(gl, "../../conformance/resources/intUniformShader.vert", "../../conformance/resources/noopUniformShader.frag");
+359c343
+< var floatProgram = wtu.loadProgramFromFile(gl, "../resources/floatUniformShader.vert", "../resources/noopUniformShader.frag");
+---
+> var floatProgram = wtu.loadProgramFromFile(gl, "../../conformance/resources/floatUniformShader.vert", "../../conformance/resources/noopUniformShader.frag");
+376c360
+< var samplerProgram = wtu.loadProgramFromFile(gl, "../resources/noopUniformShader.vert", "../resources/samplerUniformShader.frag");
+---
+> var samplerProgram = wtu.loadProgramFromFile(gl, "../../conformance/resources/noopUniformShader.vert", "../../conformance/resources/samplerUniformShader.frag");
+387c371
+< var matProgram = wtu.loadProgramFromFile(gl, "../resources/matUniformShader.vert", "../resources/noopUniformShader.frag");
+---
+> var matProgram = wtu.loadProgramFromFile(gl, "../../conformance/resources/matUniformShader.vert", "../../conformance/resources/noopUniformShader.frag");
+438c422,423
+<       gl.CURRENT_VERTEX_ATTRIB
+---
+>       gl.CURRENT_VERTEX_ATTRIB,
+>       gl.VERTEX_ATTRIB_ARRAY_DIVISOR
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-enable-enum-test.html b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-enable-enum-test.html
new file mode 100644
index 000000000..c58b26e15
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-enable-enum-test.html
@@ -0,0 +1,161 @@
+<!--
+
+/*
+** 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 gl.ENABLE enums Conformance Tests</title>
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../js/desktop-gl-constants.js"></script>
+<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="2" height="2"> </canvas>
+<script>
+"use strict";
+description("This test ensures WebGL implementations allow OpenGL ES 2.0 features to be turned on but not non OpenGL ES 2.0 features.");
+
+debug("");
+debug("Canvas.getContext");
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("canvas");
+if (!gl) {
+  testFailed("context does not exist");
+} else {
+  testPassed("context exists");
+
+  debug("");
+  debug("Checking gl.ENABLE enums.");
+
+  var invalidEnums = [
+    'ALPHA_TEST',
+    'AUTO_NORMAL',
+    'CLIP_PLANE0',
+    'CLIP_PLANE1',
+    'COLOR_LOGIC_OP',
+    'COLOR_MATERIAL',
+    'COLOR_SUM',
+    'COLOR_TABLE',
+ //   'CONVOLUTION_1D',
+ //   'CONVOLUTION_2D',
+    'FOG',
+    'HISTOGRAM',
+    'INDEX_LOGIC_OP',
+    'LIGHT0',
+    'LIGHT1',
+    'LIGHTING',
+    'LINE_SMOOTH',
+    'LINE_STIPPLE',
+    'MAP1_COLOR_4',
+    'MAP1_INDEX',
+    'MAP1_NORMAL',
+    'MAP1_TEXTURE_COORD_1',
+    'MAP1_TEXTURE_COORD_2',
+    'MAP1_TEXTURE_COORD_3',
+    'MAP1_TEXTURE_COORD_4',
+    'MAP1_VERTEX_3',
+    'MAP1_VERTEX_4',
+    'MAP2_COLOR_4',
+    'MAP2_INDEX',
+    'MAP2_NORMAL',
+    'MAP2_TEXTURE_COORD_1',
+    'MAP2_TEXTURE_COORD_2',
+    'MAP2_TEXTURE_COORD_3',
+    'MAP2_TEXTURE_COORD_4',
+    'MAP2_VERTEX_3',
+    'MAP2_VERTEX_4',
+    'MINMAX',
+    'MULTISAMPLE',
+    'NORMALIZE',
+    'POINT_SMOOTH',
+    'POINT_SPRITE',
+    'POLYGON_OFFSET_LINE',
+    'POLYGON_OFFSET_POINT',
+    'POLYGON_SMOOTH',
+    'POLYGON_STIPPLE',
+    'POST_COLOR_MATRIX_COLOR_TABLE',
+    'POST_CONVOLUTION_COLOR_TABLE',
+    'RESCALE_NORMAL',
+    'SAMPLE_ALPHA_TO_ONE',
+ //   'SEPARABLE_2D',
+    'TEXTURE_1D',
+    'TEXTURE_2D',
+    'TEXTURE_3D',
+    'TEXTURE_CUBE_MAP',
+    'TEXTURE_GEN_Q',
+    'TEXTURE_GEN_R',
+    'TEXTURE_GEN_S',
+    'TEXTURE_GEN_T',
+    'VERTEX_PROGRAM_POINT_SIZE',
+    'VERTEX_PROGRAM_TWO_SIDE'
+  ];
+
+  for (var ii = 0; ii < invalidEnums.length; ++ii) {
+    var name = invalidEnums[ii];
+    gl.enable(desktopGL[name]);
+    wtu.glErrorShouldBe(gl, gl.INVALID_ENUM,
+              "gl.enable must set INVALID_ENUM when passed GL_" + name );
+  }
+
+  var validEnums = [
+    'BLEND',
+    'CULL_FACE',
+    'DEPTH_TEST',
+    'DITHER',
+    'POLYGON_OFFSET_FILL',
+    'SAMPLE_ALPHA_TO_COVERAGE',
+    'SAMPLE_COVERAGE',
+    'SCISSOR_TEST',
+    'STENCIL_TEST'
+  ];
+
+  for (var ii = 0; ii < validEnums.length; ++ii) {
+    var name = validEnums[ii];
+    gl.enable(gl[name]);
+    wtu.glErrorShouldBe(gl, gl.NO_ERROR,
+              "gl.enable must succeed when passed gl." + name );
+        shouldBe('gl.isEnabled(gl.' + name + ')', 'true');
+        gl.disable(gl[name]);
+        shouldBe('gl.isEnabled(gl.' + name + ')', 'false');
+  }
+
+  wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors");
+}
+
+debug("");
+var successfullyParsed = true;
+
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-enum-tests.html b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-enum-tests.html
new file mode 100644
index 000000000..96fac1276
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-enum-tests.html
@@ -0,0 +1,50 @@
+<!--
+
+/*
+** 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 gl enums Conformance Tests</title>
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../js/desktop-gl-constants.js"></script>
+<script src="../../js/js-test-pre.js"></script>
+<script src="../../js/webgl-test-utils.js"></script>
+<script src="../../js/test-eval.js"></script>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<canvas id="canvas" width="2" height="2"> </canvas>
+<script>
+var contextVersion = 1;
+</script>
+<script src="../../js/tests/gl-enum-tests.js"></script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-get-calls.html b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-get-calls.html
new file mode 100644
index 000000000..46677de1f
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-get-calls.html
@@ -0,0 +1,219 @@
+<!--
+
+/*
+** 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 gl calls 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>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<canvas id="canvas" width="2" height="2"> </canvas>
+<script>
+"use strict";
+description("This test ensures basic functionality of the underlying graphics library");
+
+debug("");
+debug("Canvas.getContext");
+
+var minimumRequiredStencilMask = 0;
+var wtu = WebGLTestUtils;
+var context = wtu.create3DContext("canvas");
+if (!context)
+    testFailed("context does not exist");
+else {
+    testPassed("context exists");
+
+    debug("");
+    debug("Context contains getError");
+    if ("getError" in context)
+      testPassed("context contains getError");
+    else
+      testFailed("context does not contains getError");
+
+    debug("");
+    debug("Check default values");
+    shouldBe('context.getParameter(context.ACTIVE_TEXTURE)', 'context.TEXTURE0');
+    shouldBe('(context.getParameter(context.ALIASED_LINE_WIDTH_RANGE)[0] <= 1) && (context.getParameter(context.ALIASED_LINE_WIDTH_RANGE)[0] > 0) && (context.getParameter(context.ALIASED_LINE_WIDTH_RANGE)[1] >= 1)', 'true');
+    shouldBe('(context.getParameter(context.ALIASED_POINT_SIZE_RANGE)[0] <= 1) && (context.getParameter(context.ALIASED_POINT_SIZE_RANGE)[0] > 0) && (context.getParameter(context.ALIASED_POINT_SIZE_RANGE)[1] >= 1)', 'true');
+    shouldBeType('context.getParameter(context.ALIASED_LINE_WIDTH_RANGE)', 'Float32Array');
+    shouldBeType('context.getParameter(context.ALIASED_POINT_SIZE_RANGE)', 'Float32Array');
+    shouldBe('context.getParameter(context.ARRAY_BUFFER_BINDING)', 'null');
+    shouldBe('context.getParameter(context.BLEND)', 'false');
+    shouldBe('context.getParameter(context.BLEND_COLOR)', '[0, 0, 0, 0]');
+    shouldBeType('context.getParameter(context.BLEND_COLOR)', 'Float32Array');
+    shouldBe('context.getParameter(context.BLEND_DST_ALPHA)', '0');
+    shouldBe('context.getParameter(context.BLEND_DST_RGB)', '0');
+    shouldBe('context.getParameter(context.BLEND_EQUATION_ALPHA)', 'context.FUNC_ADD');
+    shouldBe('context.getParameter(context.BLEND_EQUATION_RGB)', 'context.FUNC_ADD');
+    shouldBe('context.getParameter(context.BLEND_SRC_ALPHA)', '1');
+    shouldBe('context.getParameter(context.BLEND_SRC_RGB)', '1');
+    shouldBe('context.getParameter(context.COLOR_CLEAR_VALUE)', '[0, 0, 0, 0]');
+    shouldBeType('context.getParameter(context.COLOR_CLEAR_VALUE)', 'Float32Array');
+    shouldBe('context.getParameter(context.COLOR_WRITEMASK)', '[true, true, true, true]');
+    shouldBeType('context.getParameter(context.COMPRESSED_TEXTURE_FORMATS)', 'Uint32Array');
+    shouldBe('context.getParameter(context.CULL_FACE)', 'false');
+    shouldBe('context.getParameter(context.CULL_FACE_MODE)', 'context.BACK');
+    shouldBe('context.getParameter(context.CURRENT_PROGRAM)', 'null');
+    shouldBe('context.getParameter(context.DEPTH_CLEAR_VALUE)', '1');
+    shouldBe('context.getParameter(context.DEPTH_FUNC)', 'context.LESS');
+    shouldBe('context.getParameter(context.DEPTH_RANGE)', '[0, 1]');
+    shouldBeType('context.getParameter(context.DEPTH_RANGE)', 'Float32Array');
+    shouldBe('context.getParameter(context.DEPTH_TEST)', 'false');
+    shouldBe('context.getParameter(context.DEPTH_WRITEMASK)', 'true');
+    shouldBe('context.getParameter(context.DITHER)', 'true');
+    shouldBe('context.getParameter(context.ELEMENT_ARRAY_BUFFER_BINDING)', 'null');
+    shouldBe('context.getParameter(context.FRONT_FACE)', 'context.CCW');
+    shouldBe('context.getParameter(context.GENERATE_MIPMAP_HINT)', 'context.DONT_CARE');
+    shouldBe('context.getParameter(context.LINE_WIDTH)', '1');
+    shouldBe('context.getParameter(context.PACK_ALIGNMENT)', '4');
+    shouldBe('context.getParameter(context.POLYGON_OFFSET_FACTOR)', '0');
+    shouldBe('context.getParameter(context.POLYGON_OFFSET_FILL)', 'false');
+    shouldBe('context.getParameter(context.POLYGON_OFFSET_UNITS)', '0');
+    shouldBe('context.getParameter(context.RENDERBUFFER_BINDING)', 'null');
+    shouldBe('context.getParameter(context.SAMPLE_COVERAGE_INVERT)', 'false');
+    shouldBe('context.getParameter(context.SAMPLE_COVERAGE_VALUE)', '1');
+    shouldBe('context.getParameter(context.SCISSOR_BOX)[0]', '0');
+    shouldBe('context.getParameter(context.SCISSOR_BOX)[1]', '0');
+    shouldBe('context.getParameter(context.SCISSOR_BOX)[2]', 'context.getParameter(context.VIEWPORT)[2]');
+    shouldBe('context.getParameter(context.SCISSOR_BOX)[3]', 'context.getParameter(context.VIEWPORT)[3]');
+    shouldBeType('context.getParameter(context.SCISSOR_BOX)', Int32Array);
+    shouldBe('context.getParameter(context.SCISSOR_TEST)', 'false');
+    shouldBe('context.getParameter(context.STENCIL_BACK_FAIL)', 'context.KEEP');
+    shouldBe('context.getParameter(context.STENCIL_BACK_FUNC)', 'context.ALWAYS');
+    shouldBe('context.getParameter(context.STENCIL_BACK_PASS_DEPTH_FAIL)', 'context.KEEP');
+    shouldBe('context.getParameter(context.STENCIL_BACK_PASS_DEPTH_PASS)', 'context.KEEP');
+    shouldBe('context.getParameter(context.STENCIL_BACK_REF)', '0');
+
+    // WebGL 1.0.2 - 5.14.3 types / ES 2.0.25 - 6.2 State tables - 6.18 page 152
+    shouldBeType('context.getParameter(context.SUBPIXEL_BITS)', 'Number');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.SUBPIXEL_BITS)', '4');
+
+    shouldBeType('context.getParameter(context.SAMPLE_BUFFERS)', 'Number');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.SAMPLE_BUFFERS)', '0');
+
+    shouldBeType('context.getParameter(context.SAMPLES)', 'Number');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.SAMPLES)', '0');
+
+    shouldBeType('context.getParameter(context.DEPTH_BITS)', 'Number');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.DEPTH_BITS)', '0');
+    shouldBeType('context.getParameter(context.RED_BITS)', 'Number');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.RED_BITS)', '0');
+    shouldBeType('context.getParameter(context.GREEN_BITS)', 'Number');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.GREEN_BITS)', '0');
+    shouldBeType('context.getParameter(context.BLUE_BITS)', 'Number');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.BLUE_BITS)', '0');
+    shouldBeType('context.getParameter(context.ALPHA_BITS)', 'Number');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.ALPHA_BITS)', '0');
+    shouldBeType('context.getParameter(context.STENCIL_BITS)', 'Number');
+
+    var stencilBits = context.getParameter(context.STENCIL_BITS);
+    minimumRequiredStencilMask = (1 << stencilBits) - 1;
+
+    shouldBe('context.getParameter(context.STENCIL_BACK_VALUE_MASK) & minimumRequiredStencilMask', 'minimumRequiredStencilMask');
+    shouldBe('context.getParameter(context.STENCIL_BACK_WRITEMASK) & minimumRequiredStencilMask', 'minimumRequiredStencilMask');
+
+    // If EXT_packed_depth_stencil is supported, STENCIL_BITS > 0; otherwise, STENCIL_BITS == 0.
+    shouldBe('context.getParameter(context.STENCIL_BITS) >= 0', 'true');
+    shouldBe('context.getParameter(context.STENCIL_CLEAR_VALUE)', '0');
+    shouldBe('context.getParameter(context.STENCIL_FAIL)', 'context.KEEP');
+    shouldBe('context.getParameter(context.STENCIL_FUNC)', 'context.ALWAYS');
+    shouldBe('context.getParameter(context.STENCIL_PASS_DEPTH_FAIL)', 'context.KEEP');
+    shouldBe('context.getParameter(context.STENCIL_PASS_DEPTH_PASS)', 'context.KEEP');
+    shouldBe('context.getParameter(context.STENCIL_REF)', '0');
+    shouldBe('context.getParameter(context.STENCIL_TEST)', 'false');
+
+    shouldBe('context.getParameter(context.STENCIL_VALUE_MASK) & minimumRequiredStencilMask', 'minimumRequiredStencilMask');
+    shouldBe('context.getParameter(context.STENCIL_WRITEMASK) & minimumRequiredStencilMask', 'minimumRequiredStencilMask');
+
+    shouldBe('context.getParameter(context.TEXTURE_BINDING_2D)', 'null');
+    shouldBe('context.getParameter(context.TEXTURE_BINDING_CUBE_MAP)', 'null');
+    shouldBe('context.getParameter(context.UNPACK_ALIGNMENT)', '4');
+    shouldBe('context.getParameter(context.UNPACK_FLIP_Y_WEBGL)', 'false');
+    shouldBe('context.getParameter(context.UNPACK_PREMULTIPLY_ALPHA_WEBGL)', 'false');
+    shouldBe('context.getParameter(context.VIEWPORT)', '[0, 0, 2, 2]');
+    shouldBeType('context.getParameter(context.VIEWPORT)', 'Int32Array');
+
+    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_COMBINED_TEXTURE_IMAGE_UNITS)', '8');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_CUBE_MAP_TEXTURE_SIZE)', '16');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_FRAGMENT_UNIFORM_VECTORS)', '16');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_RENDERBUFFER_SIZE)', '1');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_TEXTURE_IMAGE_UNITS)', '8');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_TEXTURE_SIZE)', '64');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VARYING_VECTORS)', '8');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VERTEX_ATTRIBS)', '8');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VERTEX_TEXTURE_IMAGE_UNITS)', '0');
+    shouldBeGreaterThanOrEqual('context.getParameter(context.MAX_VERTEX_UNIFORM_VECTORS)', '128');
+    // Note: This requirement should be removed from the spec IMO. Many impelementations
+    // will be based on FBOs and FBOs might have a restriction smaller than the current screen size.
+    // especially if there are multiple screens.
+    shouldBeTrue('context.getParameter(context.MAX_VIEWPORT_DIMS)[0] >= window.screen.width');
+    shouldBeTrue('context.getParameter(context.MAX_VIEWPORT_DIMS)[1] >= window.screen.height');
+    shouldBeType('context.getParameter(context.MAX_VIEWPORT_DIMS)', 'Int32Array');
+
+    debug("");
+    debug("check texture values");
+    var maxTextures = context.getParameter(context.MAX_TEXTURE_IMAGE_UNITS);
+    for (var ii = 0; ii < maxTextures; ++ii) {
+      context.activeTexture(context.TEXTURE0 + ii);
+      debug("check texture unit: " + ii);
+      shouldBe('context.getParameter(context.TEXTURE_BINDING_2D)', 'null');
+      shouldBe('context.getParameter(context.TEXTURE_BINDING_CUBE_MAP)', 'null');
+    }
+
+    debug("");
+    debug("check attrib values");
+    var maxAttribs = context.getParameter(context.MAX_VERTEX_ATTRIBS);
+    for (var ii = 0; ii < maxAttribs; ++ii) {
+      debug("check attrib: " + ii);
+      shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_BUFFER_BINDING)', 'null');
+      shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_ENABLED)', 'false');
+      shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_SIZE)', '4');
+      shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_STRIDE)', '0');
+      shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_TYPE)', 'context.FLOAT');
+      shouldBe('context.getVertexAttrib(ii, context.VERTEX_ATTRIB_ARRAY_NORMALIZED)', 'false');
+      shouldBe('context.getVertexAttrib(ii, context.CURRENT_VERTEX_ATTRIB)', '[0, 0, 0, 1]');
+      shouldBeType('context.getVertexAttrib(ii, context.CURRENT_VERTEX_ATTRIB)', 'Float32Array');
+      shouldBe('context.getVertexAttribOffset(ii, context.VERTEX_ATTRIB_ARRAY_POINTER)', '0');
+    }
+
+    shouldBe('context.getError()', 'context.NO_ERROR');
+}
+
+debug("");
+var successfullyParsed = true;
+
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-geterror.html b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-geterror.html
new file mode 100644
index 000000000..037abca8f
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-geterror.html
@@ -0,0 +1,99 @@
+<!--
+
+/*
+** 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 get error conformance test.</title>
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../js/desktop-gl-constants.js"></script>
+<script src="../../js/js-test-pre.js"></script>
+<script src="../../js/webgl-test-utils.js"> </script>
+</head>
+<body>
+<canvas id="example" width="1" height="1" style="width: 256px; height: 48px;"></canvas>
+<div id="description"></div><div id="console"></div>
+<script>
+"use strict";
+description("Test getError.");
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("example");
+var tex = gl.createTexture();
+gl.bindTexture(gl.TEXTURE_2D, tex);
+
+gl.enable(desktopGL.ALPHA_TEST);
+wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, "should generate INVALID_ENUM");
+gl.viewport(-1, -1, -1, -1);
+wtu.glErrorShouldBe(gl, gl.INVALID_VALUE, "should generate INVALID_VALUE");
+gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
+wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "should generate INVALID_OPERATION");
+
+// Generate 2 errors of each type for 6 total possible errors.
+// The OpenGL ES 2.0 spec section 2.5 says the implementation is allowed to
+// either return the first error or many errors in an unspecied order.
+gl.viewport(-1, -1, -1, -1);
+gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
+gl.enable(desktopGL.ALPHA_TEST);
+gl.viewport(-1, -1, -1, -1);
+gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
+// Note: This error is specifically last because we know it will be synthasized
+// by WebGL at least when implemented on top of Desktop OpenGL
+gl.enable(desktopGL.ALPHA_TEST);
+
+var err1 = gl.getError();
+var err2 = gl.getError();
+var err3 = gl.getError();
+var err4 = gl.getError();
+var err5 = gl.getError();
+var err6 = gl.getError();
+
+debug("");
+if (err2 == gl.NO_ERROR) {
+  debug("This WebGL implementation looks like it uses the 'first error' method");
+  debug("There should be 1 error, the first one generated");
+  shouldBeTrue('err1 == gl.INVALID_VALUE && err2 == gl.NO_ERROR && err3 == gl.NO_ERROR');
+} else {
+  debug("This WebGL implementation looks like it uses the many error method");
+  debug("Check is that at least one of the errors is the first error");
+  shouldBeTrue('err1 == gl.INVALID_VALUE || ' +
+               'err2 == gl.INVALID_VALUE || ' +
+               'err3 == gl.INVALID_VALUE || ' +
+               'err4 == gl.INVALID_VALUE || ' +
+               'err5 == gl.INVALID_VALUE || ' +
+               'err6 == gl.INVALID_VALUE');
+  shouldBeTrue('gl.getError() == gl.NO_ERROR');
+}
+
+debug("");
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
+
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-getstring.html b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-getstring.html
new file mode 100644
index 000000000..9e1bb26d0
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-getstring.html
@@ -0,0 +1,81 @@
+<!--
+
+/*
+** 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 gl.getParameter Strings 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>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<canvas id="canvas" width="2" height="2"> </canvas>
+<script>
+"use strict";
+description("This test checks getParameter returns strings in the correct format");
+
+debug("");
+debug("Canvas.getContext");
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("canvas");
+if (!gl) {
+  testFailed("context does not exist");
+} else {
+  testPassed("context exists");
+
+  debug("");
+  checkPrefix("WebGL 1.0", "VERSION");
+  checkPrefix("WebGL GLSL ES 1.0", "SHADING_LANGUAGE_VERSION");
+  shouldBeNonNull("gl.getParameter(gl.VENDOR)");
+  shouldBeNonNull("gl.getParameter(gl.RENDERER)");
+  shouldBe("gl.getError()", "gl.NO_ERROR");
+}
+
+function checkPrefix(expected, enum_val) {
+  var s = gl.getParameter(gl[enum_val]);
+  if (s != null &&
+      s.length >= expected.length &&
+      s.substring(0, expected.length) == expected) {
+    testPassed("getParameter(gl." + enum_val + ") correctly started with " + expected);
+  } else {
+    testFailed("getParameter(gl." + enum_val + ") did not start with " + expected);
+  }
+}
+
+debug("");
+var successfullyParsed = true;
+
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-initial-state.html b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-initial-state.html
new file mode 100644
index 000000000..5968299d0
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-initial-state.html
@@ -0,0 +1,79 @@
+<!--
+
+/*
+** Copyright (c) 2016 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 gl.getParameter initial values 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>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<canvas id="canvas" width="2" height="2"> </canvas>
+<script>
+"use strict";
+description("This test checks the initial value of the OpenGL state");
+
+debug("");
+debug("Canvas.getContext");
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("canvas");
+if (!gl) {
+  testFailed("context does not exist");
+} else {
+  testPassed("context exists");
+
+  debug("");
+  checkParameterInitialValue("ONE", "BLEND_SRC_RGB");
+  checkParameterInitialValue("ONE", "BLEND_SRC_ALPHA");
+  checkParameterInitialValue("ZERO", "BLEND_DST_RGB");
+  checkParameterInitialValue("ZERO", "BLEND_DST_ALPHA");
+  shouldBe("gl.getError()", "gl.NO_ERROR");
+}
+
+function checkParameterInitialValue(expected, enum_val) {
+  var s = gl.getParameter(gl[enum_val]);
+  if (s === gl[expected]) {
+    testPassed("getParameter(gl." + enum_val + ") returned " + expected + " which is " + gl[expected]);
+  } else {
+    testFailed("getParameter(gl." + enum_val + ") returned " + s + " expected: " + expected + " which is " + gl[expected]);
+  }
+}
+
+debug("");
+var successfullyParsed = true;
+
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-object-get-calls.html b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-object-get-calls.html
new file mode 100644
index 000000000..0b3db6642
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/state/gl-object-get-calls.html
@@ -0,0 +1,47 @@
+<!--
+
+/*
+** 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">
+<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>
+
+<script>
+var contextVersion = 1;
+</script>
+<script src="../../js/tests/gl-object-get-calls.js"></script>
+
+<script src="../../js/js-test-post.js"></script>
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/state/state-uneffected-after-compositing.html b/dom/canvas/test/webgl-conf/checkout/conformance/state/state-uneffected-after-compositing.html
new file mode 100644
index 000000000..e477734a9
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/state/state-uneffected-after-compositing.html
@@ -0,0 +1,107 @@
+<!--
+
+/*
+** Copyright (c) 2013 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: Check that state is not lost by compositing</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>
+<canvas id="testbed" width="16" height="16" style="width:50px; height:50px"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script>
+"use strict";
+description();
+var wtu = WebGLTestUtils;
+
+function runTest()
+{
+  var gl = wtu.create3DContext('testbed', { antialias: false });
+  if (!gl) {
+    testFailed('could not create context');
+    return;
+  }
+
+  var program = wtu.setupTexturedQuad(gl);
+  var tex = gl.createTexture();
+  var fb = gl.createFramebuffer();
+
+  var step1 = function() {
+    wtu.fillTexture(gl, tex, 1, 1, [0, 255, 0, 255]);
+    wtu.clearAndDrawUnitQuad(gl);
+    wtu.checkCanvas(gl, [0, 255, 0, 255], "drawing with texture should be green");
+  };
+
+  var step2 = function() {
+    wtu.clearAndDrawUnitQuad(gl);
+    wtu.checkCanvas(gl, [0, 255, 0, 255], "drawing with texture after composite without rebinding should be green");
+
+    // Clear background to red
+    gl.clearColor(1, 0, 0, 1);
+    gl.clear(gl.COLOR_BUFFER_BIT);
+
+    // Bind framebuffer with green texture.
+    gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
+    gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0);
+    wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0, 255, 0, 255], "reading from fbo with attached texture should be green");
+  };
+
+  var step3 = function() {
+    // Should still have fb bound and reading should be green
+    wtu.checkCanvasRect(gl, 0, 0, 1, 1, [0, 255, 0, 255], "reading from fbo after composite without rebinding should be green");
+  };
+
+  var steps = [
+    step1,
+    step2,
+    step3,
+  ];
+
+  var stepIndex = 0;
+  var runNextStep = function() {
+    steps[stepIndex++]();
+    if (stepIndex == steps.length) {
+      wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors");
+      finishTest();
+      return;
+    }
+    wtu.waitForComposite(runNextStep);
+  };
+  runNextStep();
+}
+
+runTest();
+var successfullyParsed = true;
+</script>
+</body>
+</html>
+
-- 
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