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-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance2/context/00_test_list.txt10
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance2/context/constants-and-properties-2.html835
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance2/context/context-attributes-depth-stencil-antialias-obeyed.html89
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance2/context/context-mode.html56
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance2/context/context-resize-changes-buffer-binding-bug.html49
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance2/context/context-sharing-texture2darray-texture3d-data-bug.html150
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance2/context/context-type-test-2.html80
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance2/context/incorrect-context-object-behaviour.html230
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance2/context/methods-2.html268
-rw-r--r--dom/canvas/test/webgl-conf/checkout/conformance2/context/no-experimental-webgl2.html35
10 files changed, 1802 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/context/00_test_list.txt b/dom/canvas/test/webgl-conf/checkout/conformance2/context/00_test_list.txt
new file mode 100644
index 0000000000..fc4f8b8c07
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/context/00_test_list.txt
@@ -0,0 +1,10 @@
+constants-and-properties-2.html
+context-attributes-depth-stencil-antialias-obeyed.html
+--min-version 2.0.1 context-mode.html
+--min-version 2.0.1 context-sharing-texture2darray-texture3d-data-bug.html
+context-type-test-2.html
+--min-version 2.0.1 context-resize-changes-buffer-binding-bug.html
+--min-version 2.0.1 incorrect-context-object-behaviour.html
+methods-2.html
+--min-version 2.0.1 no-experimental-webgl2.html
+
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/context/constants-and-properties-2.html b/dom/canvas/test/webgl-conf/checkout/conformance2/context/constants-and-properties-2.html
new file mode 100644
index 0000000000..f4e2bfc30e
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/context/constants-and-properties-2.html
@@ -0,0 +1,835 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL2 Constants and Properties Test</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" style="width: 50px; height: 50px;"> </canvas>
+<script>
+"use strict";
+description("This test ensures that the WebGL context has all the constants and (non-function) properties in the specification.");
+
+var constants = {
+ /* ClearBufferMask */
+DEPTH_BUFFER_BIT : 0x00000100,
+STENCIL_BUFFER_BIT : 0x00000400,
+COLOR_BUFFER_BIT : 0x00004000,
+
+ /* BeginMode */
+POINTS : 0x0000,
+LINES : 0x0001,
+LINE_LOOP : 0x0002,
+LINE_STRIP : 0x0003,
+TRIANGLES : 0x0004,
+TRIANGLE_STRIP : 0x0005,
+TRIANGLE_FAN : 0x0006,
+
+ /* AlphaFunction (not supported in ES20) */
+ /* NEVER */
+ /* LESS */
+ /* EQUAL */
+ /* LEQUAL */
+ /* GREATER */
+ /* NOTEQUAL */
+ /* GEQUAL */
+ /* ALWAYS */
+
+ /* BlendingFactorDest */
+ZERO : 0,
+ONE : 1,
+SRC_COLOR : 0x0300,
+ONE_MINUS_SRC_COLOR : 0x0301,
+SRC_ALPHA : 0x0302,
+ONE_MINUS_SRC_ALPHA : 0x0303,
+DST_ALPHA : 0x0304,
+ONE_MINUS_DST_ALPHA : 0x0305,
+
+ /* BlendingFactorSrc */
+ /* ZERO */
+ /* ONE */
+DST_COLOR : 0x0306,
+ONE_MINUS_DST_COLOR : 0x0307,
+SRC_ALPHA_SATURATE : 0x0308,
+ /* SRC_ALPHA */
+ /* ONE_MINUS_SRC_ALPHA */
+ /* DST_ALPHA */
+ /* ONE_MINUS_DST_ALPHA */
+
+ /* BlendEquationSeparate */
+FUNC_ADD : 0x8006,
+BLEND_EQUATION : 0x8009,
+BLEND_EQUATION_RGB : 0x8009, /* same as BLEND_EQUATION */
+BLEND_EQUATION_ALPHA : 0x883D,
+
+ /* BlendSubtract */
+FUNC_SUBTRACT : 0x800A,
+FUNC_REVERSE_SUBTRACT : 0x800B,
+
+ /* Separate Blend Functions */
+BLEND_DST_RGB : 0x80C8,
+BLEND_SRC_RGB : 0x80C9,
+BLEND_DST_ALPHA : 0x80CA,
+BLEND_SRC_ALPHA : 0x80CB,
+CONSTANT_COLOR : 0x8001,
+ONE_MINUS_CONSTANT_COLOR : 0x8002,
+CONSTANT_ALPHA : 0x8003,
+ONE_MINUS_CONSTANT_ALPHA : 0x8004,
+BLEND_COLOR : 0x8005,
+
+ /* Buffer Objects */
+ARRAY_BUFFER : 0x8892,
+ELEMENT_ARRAY_BUFFER : 0x8893,
+ARRAY_BUFFER_BINDING : 0x8894,
+ELEMENT_ARRAY_BUFFER_BINDING : 0x8895,
+
+STREAM_DRAW : 0x88E0,
+STATIC_DRAW : 0x88E4,
+DYNAMIC_DRAW : 0x88E8,
+
+BUFFER_SIZE : 0x8764,
+BUFFER_USAGE : 0x8765,
+
+CURRENT_VERTEX_ATTRIB : 0x8626,
+
+ /* CullFaceMode */
+FRONT : 0x0404,
+BACK : 0x0405,
+FRONT_AND_BACK : 0x0408,
+
+ /* DepthFunction */
+ /* NEVER */
+ /* LESS */
+ /* EQUAL */
+ /* LEQUAL */
+ /* GREATER */
+ /* NOTEQUAL */
+ /* GEQUAL */
+ /* ALWAYS */
+
+ /* EnableCap */
+ /* TEXTURE_2D */
+CULL_FACE : 0x0B44,
+BLEND : 0x0BE2,
+DITHER : 0x0BD0,
+STENCIL_TEST : 0x0B90,
+DEPTH_TEST : 0x0B71,
+SCISSOR_TEST : 0x0C11,
+POLYGON_OFFSET_FILL : 0x8037,
+SAMPLE_ALPHA_TO_COVERAGE : 0x809E,
+SAMPLE_COVERAGE : 0x80A0,
+
+ /* ErrorCode */
+NO_ERROR : 0,
+INVALID_ENUM : 0x0500,
+INVALID_VALUE : 0x0501,
+INVALID_OPERATION : 0x0502,
+OUT_OF_MEMORY : 0x0505,
+
+ /* FrontFaceDirection */
+CW : 0x0900,
+CCW : 0x0901,
+
+ /* GetPName */
+LINE_WIDTH : 0x0B21,
+ALIASED_POINT_SIZE_RANGE : 0x846D,
+ALIASED_LINE_WIDTH_RANGE : 0x846E,
+CULL_FACE_MODE : 0x0B45,
+FRONT_FACE : 0x0B46,
+DEPTH_RANGE : 0x0B70,
+DEPTH_WRITEMASK : 0x0B72,
+DEPTH_CLEAR_VALUE : 0x0B73,
+DEPTH_FUNC : 0x0B74,
+STENCIL_CLEAR_VALUE : 0x0B91,
+STENCIL_FUNC : 0x0B92,
+STENCIL_FAIL : 0x0B94,
+STENCIL_PASS_DEPTH_FAIL : 0x0B95,
+STENCIL_PASS_DEPTH_PASS : 0x0B96,
+STENCIL_REF : 0x0B97,
+STENCIL_VALUE_MASK : 0x0B93,
+STENCIL_WRITEMASK : 0x0B98,
+STENCIL_BACK_FUNC : 0x8800,
+STENCIL_BACK_FAIL : 0x8801,
+STENCIL_BACK_PASS_DEPTH_FAIL : 0x8802,
+STENCIL_BACK_PASS_DEPTH_PASS : 0x8803,
+STENCIL_BACK_REF : 0x8CA3,
+STENCIL_BACK_VALUE_MASK : 0x8CA4,
+STENCIL_BACK_WRITEMASK : 0x8CA5,
+VIEWPORT : 0x0BA2,
+SCISSOR_BOX : 0x0C10,
+ /* SCISSOR_TEST */
+COLOR_CLEAR_VALUE : 0x0C22,
+COLOR_WRITEMASK : 0x0C23,
+UNPACK_ALIGNMENT : 0x0CF5,
+PACK_ALIGNMENT : 0x0D05,
+MAX_TEXTURE_SIZE : 0x0D33,
+MAX_VIEWPORT_DIMS : 0x0D3A,
+SUBPIXEL_BITS : 0x0D50,
+RED_BITS : 0x0D52,
+GREEN_BITS : 0x0D53,
+BLUE_BITS : 0x0D54,
+ALPHA_BITS : 0x0D55,
+DEPTH_BITS : 0x0D56,
+STENCIL_BITS : 0x0D57,
+POLYGON_OFFSET_UNITS : 0x2A00,
+ /* POLYGON_OFFSET_FILL */
+POLYGON_OFFSET_FACTOR : 0x8038,
+TEXTURE_BINDING_2D : 0x8069,
+SAMPLE_BUFFERS : 0x80A8,
+SAMPLES : 0x80A9,
+SAMPLE_COVERAGE_VALUE : 0x80AA,
+SAMPLE_COVERAGE_INVERT : 0x80AB,
+
+ /* GetTextureParameter */
+ /* TEXTURE_MAG_FILTER */
+ /* TEXTURE_MIN_FILTER */
+ /* TEXTURE_WRAP_S */
+ /* TEXTURE_WRAP_T */
+
+COMPRESSED_TEXTURE_FORMATS : 0x86A3,
+
+ /* HintMode */
+DONT_CARE : 0x1100,
+FASTEST : 0x1101,
+NICEST : 0x1102,
+
+ /* HintTarget */
+GENERATE_MIPMAP_HINT : 0x8192,
+
+ /* DataType */
+BYTE : 0x1400,
+UNSIGNED_BYTE : 0x1401,
+SHORT : 0x1402,
+UNSIGNED_SHORT : 0x1403,
+INT : 0x1404,
+UNSIGNED_INT : 0x1405,
+FLOAT : 0x1406,
+
+ /* PixelFormat */
+DEPTH_COMPONENT : 0x1902,
+ALPHA : 0x1906,
+RGB : 0x1907,
+RGBA : 0x1908,
+LUMINANCE : 0x1909,
+LUMINANCE_ALPHA : 0x190A,
+
+ /* PixelType */
+ /* UNSIGNED_BYTE */
+UNSIGNED_SHORT_4_4_4_4 : 0x8033,
+UNSIGNED_SHORT_5_5_5_1 : 0x8034,
+UNSIGNED_SHORT_5_6_5 : 0x8363,
+
+ /* Shaders */
+FRAGMENT_SHADER : 0x8B30,
+VERTEX_SHADER : 0x8B31,
+MAX_VERTEX_ATTRIBS : 0x8869,
+MAX_VERTEX_UNIFORM_VECTORS : 0x8DFB,
+MAX_VARYING_VECTORS : 0x8DFC,
+MAX_COMBINED_TEXTURE_IMAGE_UNITS : 0x8B4D,
+MAX_VERTEX_TEXTURE_IMAGE_UNITS : 0x8B4C,
+MAX_TEXTURE_IMAGE_UNITS : 0x8872,
+MAX_FRAGMENT_UNIFORM_VECTORS : 0x8DFD,
+SHADER_TYPE : 0x8B4F,
+DELETE_STATUS : 0x8B80,
+LINK_STATUS : 0x8B82,
+VALIDATE_STATUS : 0x8B83,
+ATTACHED_SHADERS : 0x8B85,
+ACTIVE_UNIFORMS : 0x8B86,
+ACTIVE_ATTRIBUTES : 0x8B89,
+SHADING_LANGUAGE_VERSION : 0x8B8C,
+CURRENT_PROGRAM : 0x8B8D,
+
+ /* StencilFunction */
+NEVER : 0x0200,
+LESS : 0x0201,
+EQUAL : 0x0202,
+LEQUAL : 0x0203,
+GREATER : 0x0204,
+NOTEQUAL : 0x0205,
+GEQUAL : 0x0206,
+ALWAYS : 0x0207,
+
+ /* StencilOp */
+ /* ZERO */
+KEEP : 0x1E00,
+REPLACE : 0x1E01,
+INCR : 0x1E02,
+DECR : 0x1E03,
+INVERT : 0x150A,
+INCR_WRAP : 0x8507,
+DECR_WRAP : 0x8508,
+
+ /* StringName */
+VENDOR : 0x1F00,
+RENDERER : 0x1F01,
+VERSION : 0x1F02,
+
+ /* TextureMagFilter */
+NEAREST : 0x2600,
+LINEAR : 0x2601,
+
+ /* TextureMinFilter */
+ /* NEAREST */
+ /* LINEAR */
+NEAREST_MIPMAP_NEAREST : 0x2700,
+LINEAR_MIPMAP_NEAREST : 0x2701,
+NEAREST_MIPMAP_LINEAR : 0x2702,
+LINEAR_MIPMAP_LINEAR : 0x2703,
+
+ /* TextureParameterName */
+TEXTURE_MAG_FILTER : 0x2800,
+TEXTURE_MIN_FILTER : 0x2801,
+TEXTURE_WRAP_S : 0x2802,
+TEXTURE_WRAP_T : 0x2803,
+
+ /* TextureTarget */
+TEXTURE_2D : 0x0DE1,
+TEXTURE : 0x1702,
+
+TEXTURE_CUBE_MAP : 0x8513,
+TEXTURE_BINDING_CUBE_MAP : 0x8514,
+TEXTURE_CUBE_MAP_POSITIVE_X : 0x8515,
+TEXTURE_CUBE_MAP_NEGATIVE_X : 0x8516,
+TEXTURE_CUBE_MAP_POSITIVE_Y : 0x8517,
+TEXTURE_CUBE_MAP_NEGATIVE_Y : 0x8518,
+TEXTURE_CUBE_MAP_POSITIVE_Z : 0x8519,
+TEXTURE_CUBE_MAP_NEGATIVE_Z : 0x851A,
+MAX_CUBE_MAP_TEXTURE_SIZE : 0x851C,
+
+ /* TextureUnit */
+TEXTURE0 : 0x84C0,
+TEXTURE1 : 0x84C1,
+TEXTURE2 : 0x84C2,
+TEXTURE3 : 0x84C3,
+TEXTURE4 : 0x84C4,
+TEXTURE5 : 0x84C5,
+TEXTURE6 : 0x84C6,
+TEXTURE7 : 0x84C7,
+TEXTURE8 : 0x84C8,
+TEXTURE9 : 0x84C9,
+TEXTURE10 : 0x84CA,
+TEXTURE11 : 0x84CB,
+TEXTURE12 : 0x84CC,
+TEXTURE13 : 0x84CD,
+TEXTURE14 : 0x84CE,
+TEXTURE15 : 0x84CF,
+TEXTURE16 : 0x84D0,
+TEXTURE17 : 0x84D1,
+TEXTURE18 : 0x84D2,
+TEXTURE19 : 0x84D3,
+TEXTURE20 : 0x84D4,
+TEXTURE21 : 0x84D5,
+TEXTURE22 : 0x84D6,
+TEXTURE23 : 0x84D7,
+TEXTURE24 : 0x84D8,
+TEXTURE25 : 0x84D9,
+TEXTURE26 : 0x84DA,
+TEXTURE27 : 0x84DB,
+TEXTURE28 : 0x84DC,
+TEXTURE29 : 0x84DD,
+TEXTURE30 : 0x84DE,
+TEXTURE31 : 0x84DF,
+ACTIVE_TEXTURE : 0x84E0,
+
+ /* TextureWrapMode */
+REPEAT : 0x2901,
+CLAMP_TO_EDGE : 0x812F,
+MIRRORED_REPEAT : 0x8370,
+
+ /* Uniform Types */
+FLOAT_VEC2 : 0x8B50,
+FLOAT_VEC3 : 0x8B51,
+FLOAT_VEC4 : 0x8B52,
+INT_VEC2 : 0x8B53,
+INT_VEC3 : 0x8B54,
+INT_VEC4 : 0x8B55,
+BOOL : 0x8B56,
+BOOL_VEC2 : 0x8B57,
+BOOL_VEC3 : 0x8B58,
+BOOL_VEC4 : 0x8B59,
+FLOAT_MAT2 : 0x8B5A,
+FLOAT_MAT3 : 0x8B5B,
+FLOAT_MAT4 : 0x8B5C,
+SAMPLER_2D : 0x8B5E,
+SAMPLER_CUBE : 0x8B60,
+
+ /* Vertex Arrays */
+VERTEX_ATTRIB_ARRAY_ENABLED : 0x8622,
+VERTEX_ATTRIB_ARRAY_SIZE : 0x8623,
+VERTEX_ATTRIB_ARRAY_STRIDE : 0x8624,
+VERTEX_ATTRIB_ARRAY_TYPE : 0x8625,
+VERTEX_ATTRIB_ARRAY_NORMALIZED : 0x886A,
+VERTEX_ATTRIB_ARRAY_POINTER : 0x8645,
+VERTEX_ATTRIB_ARRAY_BUFFER_BINDING : 0x889F,
+
+ /* Shader Source */
+COMPILE_STATUS : 0x8B81,
+
+ /* Shader Precision-Specified Types */
+LOW_FLOAT : 0x8DF0,
+MEDIUM_FLOAT : 0x8DF1,
+HIGH_FLOAT : 0x8DF2,
+LOW_INT : 0x8DF3,
+MEDIUM_INT : 0x8DF4,
+HIGH_INT : 0x8DF5,
+
+ /* Framebuffer Object. */
+FRAMEBUFFER : 0x8D40,
+RENDERBUFFER : 0x8D41,
+
+RGBA4 : 0x8056,
+RGB5_A1 : 0x8057,
+RGB565 : 0x8D62,
+DEPTH_COMPONENT16 : 0x81A5,
+STENCIL_INDEX8 : 0x8D48,
+DEPTH_STENCIL : 0x84F9,
+
+RENDERBUFFER_WIDTH : 0x8D42,
+RENDERBUFFER_HEIGHT : 0x8D43,
+RENDERBUFFER_INTERNAL_FORMAT : 0x8D44,
+RENDERBUFFER_RED_SIZE : 0x8D50,
+RENDERBUFFER_GREEN_SIZE : 0x8D51,
+RENDERBUFFER_BLUE_SIZE : 0x8D52,
+RENDERBUFFER_ALPHA_SIZE : 0x8D53,
+RENDERBUFFER_DEPTH_SIZE : 0x8D54,
+RENDERBUFFER_STENCIL_SIZE : 0x8D55,
+
+FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE : 0x8CD0,
+FRAMEBUFFER_ATTACHMENT_OBJECT_NAME : 0x8CD1,
+FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL : 0x8CD2,
+FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE : 0x8CD3,
+
+COLOR_ATTACHMENT0 : 0x8CE0,
+DEPTH_ATTACHMENT : 0x8D00,
+STENCIL_ATTACHMENT : 0x8D20,
+DEPTH_STENCIL_ATTACHMENT : 0x821A,
+
+NONE : 0,
+
+FRAMEBUFFER_COMPLETE : 0x8CD5,
+FRAMEBUFFER_INCOMPLETE_ATTACHMENT : 0x8CD6,
+FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT : 0x8CD7,
+FRAMEBUFFER_INCOMPLETE_DIMENSIONS : 0x8CD9,
+FRAMEBUFFER_UNSUPPORTED : 0x8CDD,
+
+FRAMEBUFFER_BINDING : 0x8CA6,
+RENDERBUFFER_BINDING : 0x8CA7,
+MAX_RENDERBUFFER_SIZE : 0x84E8,
+
+INVALID_FRAMEBUFFER_OPERATION : 0x0506,
+
+IMPLEMENTATION_COLOR_READ_TYPE : 0x8B9A,
+IMPLEMENTATION_COLOR_READ_FORMAT : 0x8B9B,
+
+/* WebGL-specific enums */
+UNPACK_FLIP_Y_WEBGL : 0x9240,
+UNPACK_PREMULTIPLY_ALPHA_WEBGL : 0x9241,
+CONTEXT_LOST_WEBGL : 0x9242,
+UNPACK_COLORSPACE_CONVERSION_WEBGL : 0x9243,
+BROWSER_DEFAULT_WEBGL : 0x9244,
+
+/* WebGL2 enums */
+READ_BUFFER : 0x0C02,
+UNPACK_ROW_LENGTH : 0x0CF2,
+UNPACK_SKIP_ROWS : 0x0CF3,
+UNPACK_SKIP_PIXELS : 0x0CF4,
+PACK_ROW_LENGTH : 0x0D02,
+PACK_SKIP_ROWS : 0x0D03,
+PACK_SKIP_PIXELS : 0x0D04,
+COLOR : 0x1800,
+DEPTH : 0x1801,
+STENCIL : 0x1802,
+RED : 0x1903,
+RGB8 : 0x8051,
+RGBA8 : 0x8058,
+RGB10_A2 : 0x8059,
+TEXTURE_BINDING_3D : 0x806A,
+UNPACK_SKIP_IMAGES : 0x806D,
+UNPACK_IMAGE_HEIGHT : 0x806E,
+TEXTURE_3D : 0x806F,
+TEXTURE_WRAP_R : 0x8072,
+MAX_3D_TEXTURE_SIZE : 0x8073,
+UNSIGNED_INT_2_10_10_10_REV : 0x8368,
+MAX_ELEMENTS_VERTICES : 0x80E8,
+MAX_ELEMENTS_INDICES : 0x80E9,
+TEXTURE_MIN_LOD : 0x813A,
+TEXTURE_MAX_LOD : 0x813B,
+TEXTURE_BASE_LEVEL : 0x813C,
+TEXTURE_MAX_LEVEL : 0x813D,
+MIN : 0x8007,
+MAX : 0x8008,
+DEPTH_COMPONENT24 : 0x81A6,
+MAX_TEXTURE_LOD_BIAS : 0x84FD,
+TEXTURE_COMPARE_MODE : 0x884C,
+TEXTURE_COMPARE_FUNC : 0x884D,
+CURRENT_QUERY : 0x8865,
+QUERY_RESULT : 0x8866,
+QUERY_RESULT_AVAILABLE : 0x8867,
+STREAM_READ : 0x88E1,
+STREAM_COPY : 0x88E2,
+STATIC_READ : 0x88E5,
+STATIC_COPY : 0x88E6,
+DYNAMIC_READ : 0x88E9,
+DYNAMIC_COPY : 0x88EA,
+MAX_DRAW_BUFFERS : 0x8824,
+DRAW_BUFFER0 : 0x8825,
+DRAW_BUFFER1 : 0x8826,
+DRAW_BUFFER2 : 0x8827,
+DRAW_BUFFER3 : 0x8828,
+DRAW_BUFFER4 : 0x8829,
+DRAW_BUFFER5 : 0x882A,
+DRAW_BUFFER6 : 0x882B,
+DRAW_BUFFER7 : 0x882C,
+DRAW_BUFFER8 : 0x882D,
+DRAW_BUFFER9 : 0x882E,
+DRAW_BUFFER10 : 0x882F,
+DRAW_BUFFER11 : 0x8830,
+DRAW_BUFFER12 : 0x8831,
+DRAW_BUFFER13 : 0x8832,
+DRAW_BUFFER14 : 0x8833,
+DRAW_BUFFER15 : 0x8834,
+MAX_FRAGMENT_UNIFORM_COMPONENTS : 0x8B49,
+MAX_VERTEX_UNIFORM_COMPONENTS : 0x8B4A,
+SAMPLER_3D : 0x8B5F,
+SAMPLER_2D_SHADOW : 0x8B62,
+FRAGMENT_SHADER_DERIVATIVE_HINT : 0x8B8B,
+PIXEL_PACK_BUFFER : 0x88EB,
+PIXEL_UNPACK_BUFFER : 0x88EC,
+PIXEL_PACK_BUFFER_BINDING : 0x88ED,
+PIXEL_UNPACK_BUFFER_BINDING : 0x88EF,
+FLOAT_MAT2x3 : 0x8B65,
+FLOAT_MAT2x4 : 0x8B66,
+FLOAT_MAT3x2 : 0x8B67,
+FLOAT_MAT3x4 : 0x8B68,
+FLOAT_MAT4x2 : 0x8B69,
+FLOAT_MAT4x3 : 0x8B6A,
+SRGB : 0x8C40,
+SRGB8 : 0x8C41,
+SRGB8_ALPHA8 : 0x8C43,
+COMPARE_REF_TO_TEXTURE : 0x884E,
+RGBA32F : 0x8814,
+RGB32F : 0x8815,
+RGBA16F : 0x881A,
+RGB16F : 0x881B,
+VERTEX_ATTRIB_ARRAY_INTEGER : 0x88FD,
+MAX_ARRAY_TEXTURE_LAYERS : 0x88FF,
+MIN_PROGRAM_TEXEL_OFFSET : 0x8904,
+MAX_PROGRAM_TEXEL_OFFSET : 0x8905,
+MAX_VARYING_COMPONENTS : 0x8B4B,
+TEXTURE_2D_ARRAY : 0x8C1A,
+TEXTURE_BINDING_2D_ARRAY : 0x8C1D,
+R11F_G11F_B10F : 0x8C3A,
+UNSIGNED_INT_10F_11F_11F_REV : 0x8C3B,
+RGB9_E5 : 0x8C3D,
+UNSIGNED_INT_5_9_9_9_REV : 0x8C3E,
+TRANSFORM_FEEDBACK_BUFFER_MODE : 0x8C7F,
+MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS : 0x8C80,
+TRANSFORM_FEEDBACK_VARYINGS : 0x8C83,
+TRANSFORM_FEEDBACK_BUFFER_START : 0x8C84,
+TRANSFORM_FEEDBACK_BUFFER_SIZE : 0x8C85,
+TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN : 0x8C88,
+RASTERIZER_DISCARD : 0x8C89,
+MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS : 0x8C8A,
+MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS : 0x8C8B,
+INTERLEAVED_ATTRIBS : 0x8C8C,
+SEPARATE_ATTRIBS : 0x8C8D,
+TRANSFORM_FEEDBACK_BUFFER : 0x8C8E,
+TRANSFORM_FEEDBACK_BUFFER_BINDING : 0x8C8F,
+RGBA32UI : 0x8D70,
+RGB32UI : 0x8D71,
+RGBA16UI : 0x8D76,
+RGB16UI : 0x8D77,
+RGBA8UI : 0x8D7C,
+RGB8UI : 0x8D7D,
+RGBA32I : 0x8D82,
+RGB32I : 0x8D83,
+RGBA16I : 0x8D88,
+RGB16I : 0x8D89,
+RGBA8I : 0x8D8E,
+RGB8I : 0x8D8F,
+RED_INTEGER : 0x8D94,
+RGB_INTEGER : 0x8D98,
+RGBA_INTEGER : 0x8D99,
+SAMPLER_2D_ARRAY : 0x8DC1,
+SAMPLER_2D_ARRAY_SHADOW : 0x8DC4,
+SAMPLER_CUBE_SHADOW : 0x8DC5,
+UNSIGNED_INT_VEC2 : 0x8DC6,
+UNSIGNED_INT_VEC3 : 0x8DC7,
+UNSIGNED_INT_VEC4 : 0x8DC8,
+INT_SAMPLER_2D : 0x8DCA,
+INT_SAMPLER_3D : 0x8DCB,
+INT_SAMPLER_CUBE : 0x8DCC,
+INT_SAMPLER_2D_ARRAY : 0x8DCF,
+UNSIGNED_INT_SAMPLER_2D : 0x8DD2,
+UNSIGNED_INT_SAMPLER_3D : 0x8DD3,
+UNSIGNED_INT_SAMPLER_CUBE : 0x8DD4,
+UNSIGNED_INT_SAMPLER_2D_ARRAY : 0x8DD7,
+DEPTH_COMPONENT32F : 0x8CAC,
+DEPTH32F_STENCIL8 : 0x8CAD,
+FLOAT_32_UNSIGNED_INT_24_8_REV : 0x8DAD,
+FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING : 0x8210,
+FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE : 0x8211,
+FRAMEBUFFER_ATTACHMENT_RED_SIZE : 0x8212,
+FRAMEBUFFER_ATTACHMENT_GREEN_SIZE : 0x8213,
+FRAMEBUFFER_ATTACHMENT_BLUE_SIZE : 0x8214,
+FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE : 0x8215,
+FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE : 0x8216,
+FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE : 0x8217,
+FRAMEBUFFER_DEFAULT : 0x8218,
+UNSIGNED_INT_24_8 : 0x84FA,
+DEPTH24_STENCIL8 : 0x88F0,
+UNSIGNED_NORMALIZED : 0x8C17,
+DRAW_FRAMEBUFFER_BINDING : 0x8CA6,
+READ_FRAMEBUFFER : 0x8CA8,
+DRAW_FRAMEBUFFER : 0x8CA9,
+READ_FRAMEBUFFER_BINDING : 0x8CAA,
+RENDERBUFFER_SAMPLES : 0x8CAB,
+FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER : 0x8CD4,
+MAX_COLOR_ATTACHMENTS : 0x8CDF,
+COLOR_ATTACHMENT1 : 0x8CE1,
+COLOR_ATTACHMENT2 : 0x8CE2,
+COLOR_ATTACHMENT3 : 0x8CE3,
+COLOR_ATTACHMENT4 : 0x8CE4,
+COLOR_ATTACHMENT5 : 0x8CE5,
+COLOR_ATTACHMENT6 : 0x8CE6,
+COLOR_ATTACHMENT7 : 0x8CE7,
+COLOR_ATTACHMENT8 : 0x8CE8,
+COLOR_ATTACHMENT9 : 0x8CE9,
+COLOR_ATTACHMENT10 : 0x8CEA,
+COLOR_ATTACHMENT11 : 0x8CEB,
+COLOR_ATTACHMENT12 : 0x8CEC,
+COLOR_ATTACHMENT13 : 0x8CED,
+COLOR_ATTACHMENT14 : 0x8CEE,
+COLOR_ATTACHMENT15 : 0x8CEF,
+FRAMEBUFFER_INCOMPLETE_MULTISAMPLE : 0x8D56,
+MAX_SAMPLES : 0x8D57,
+HALF_FLOAT : 0x140B,
+RG : 0x8227,
+RG_INTEGER : 0x8228,
+R8 : 0x8229,
+RG8 : 0x822B,
+R16F : 0x822D,
+R32F : 0x822E,
+RG16F : 0x822F,
+RG32F : 0x8230,
+R8I : 0x8231,
+R8UI : 0x8232,
+R16I : 0x8233,
+R16UI : 0x8234,
+R32I : 0x8235,
+R32UI : 0x8236,
+RG8I : 0x8237,
+RG8UI : 0x8238,
+RG16I : 0x8239,
+RG16UI : 0x823A,
+RG32I : 0x823B,
+RG32UI : 0x823C,
+VERTEX_ARRAY_BINDING : 0x85B5,
+R8_SNORM : 0x8F94,
+RG8_SNORM : 0x8F95,
+RGB8_SNORM : 0x8F96,
+RGBA8_SNORM : 0x8F97,
+SIGNED_NORMALIZED : 0x8F9C,
+COPY_READ_BUFFER : 0x8F36,
+COPY_WRITE_BUFFER : 0x8F37,
+COPY_READ_BUFFER_BINDING : 0x8F36,
+COPY_WRITE_BUFFER_BINDING : 0x8F37,
+UNIFORM_BUFFER : 0x8A11,
+UNIFORM_BUFFER_BINDING : 0x8A28,
+UNIFORM_BUFFER_START : 0x8A29,
+UNIFORM_BUFFER_SIZE : 0x8A2A,
+MAX_VERTEX_UNIFORM_BLOCKS : 0x8A2B,
+MAX_FRAGMENT_UNIFORM_BLOCKS : 0x8A2D,
+MAX_COMBINED_UNIFORM_BLOCKS : 0x8A2E,
+MAX_UNIFORM_BUFFER_BINDINGS : 0x8A2F,
+MAX_UNIFORM_BLOCK_SIZE : 0x8A30,
+MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS : 0x8A31,
+MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS : 0x8A33,
+UNIFORM_BUFFER_OFFSET_ALIGNMENT : 0x8A34,
+ACTIVE_UNIFORM_BLOCKS : 0x8A36,
+UNIFORM_TYPE : 0x8A37,
+UNIFORM_SIZE : 0x8A38,
+UNIFORM_BLOCK_INDEX : 0x8A3A,
+UNIFORM_OFFSET : 0x8A3B,
+UNIFORM_ARRAY_STRIDE : 0x8A3C,
+UNIFORM_MATRIX_STRIDE : 0x8A3D,
+UNIFORM_IS_ROW_MAJOR : 0x8A3E,
+UNIFORM_BLOCK_BINDING : 0x8A3F,
+UNIFORM_BLOCK_DATA_SIZE : 0x8A40,
+UNIFORM_BLOCK_ACTIVE_UNIFORMS : 0x8A42,
+UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES : 0x8A43,
+UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER : 0x8A44,
+UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER : 0x8A46,
+INVALID_INDEX : 0xFFFFFFFF,
+MAX_VERTEX_OUTPUT_COMPONENTS : 0x9122,
+MAX_FRAGMENT_INPUT_COMPONENTS : 0x9125,
+MAX_SERVER_WAIT_TIMEOUT : 0x9111,
+OBJECT_TYPE : 0x9112,
+SYNC_CONDITION : 0x9113,
+SYNC_STATUS : 0x9114,
+SYNC_FLAGS : 0x9115,
+SYNC_FENCE : 0x9116,
+SYNC_GPU_COMMANDS_COMPLETE : 0x9117,
+UNSIGNALED : 0x9118,
+SIGNALED : 0x9119,
+ALREADY_SIGNALED : 0x911A,
+TIMEOUT_EXPIRED : 0x911B,
+CONDITION_SATISFIED : 0x911C,
+WAIT_FAILED : 0x911D,
+SYNC_FLUSH_COMMANDS_BIT : 0x00000001,
+TIMEOUT_IGNORED : -1,
+VERTEX_ATTRIB_ARRAY_DIVISOR : 0x88FE,
+ANY_SAMPLES_PASSED : 0x8C2F,
+ANY_SAMPLES_PASSED_CONSERVATIVE : 0x8D6A,
+SAMPLER_BINDING : 0x8919,
+RGB10_A2UI : 0x906F,
+INT_2_10_10_10_REV : 0x8D9F,
+TRANSFORM_FEEDBACK : 0x8E22,
+TRANSFORM_FEEDBACK_PAUSED : 0x8E23,
+TRANSFORM_FEEDBACK_ACTIVE : 0x8E24,
+TRANSFORM_FEEDBACK_BINDING : 0x8E25,
+TEXTURE_IMMUTABLE_FORMAT : 0x912F,
+MAX_ELEMENT_INDEX : 0x8D6B,
+TEXTURE_IMMUTABLE_LEVELS : 0x82DF,
+
+/* WebGL-specific enums */
+MAX_CLIENT_WAIT_TIMEOUT_WEBGL: 0x9247
+};
+
+// Other non-function properties on the WebGL object
+var otherProperties = {
+drawingBufferWidth : "number",
+drawingBufferHeight : "number",
+drawingBufferColorSpace : "string",
+unpackColorSpace : "string",
+canvas : "implementation-dependent"
+};
+
+// Properties to be ignored (as a list of strings) because they were
+// added in versions of the spec that are backward-compatible with
+// this version
+var ignoredProperties = [
+];
+
+// Constants removed from the WebGL spec compared to ES 3.0
+var removedConstants = {
+BUFFER_ACCESS_FLAGS : 0x911F,
+BUFFER_MAP_LENGTH : 0x9120,
+BUFFER_MAP_OFFSET : 0x9121,
+NUM_COMPRESSED_TEXTURE_FORMATS : 0x86A2,
+FIXED : 0x140C,
+ACTIVE_UNIFORM_MAX_LENGTH : 0x8B87,
+ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH : 0x8A35,
+ACTIVE_ATTRIBUTE_MAX_LENGTH : 0x8B8A,
+EXTENSIONS : 0x1F03,
+UNIFORM_NAME_LENGTH : 0x8A39,
+UNIFORM_BLOCK_NAME_LENGTH : 0x8A41,
+INFO_LOG_LENGTH : 0x8B84,
+MAP_READ_BIT : 0x0001,
+MAP_WRITE_BIT : 0x0002,
+MAP_INVALIDATE_RANGE_BIT : 0x0004,
+MAP_INVALIDATE_BUFFER_BIT : 0x0008,
+MAP_FLUSH_EXPLICIT_BIT : 0x0010,
+MAP_UNSYNCHRONIZED_BIT : 0x0020,
+SHADER_SOURCE_LENGTH : 0x8B88,
+SHADER_COMPILER : 0x8DFA,
+SHADER_BINARY_FORMATS : 0x8DF8,
+NUM_SHADER_BINARY_FORMATS : 0x8DF9,
+TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH : 0x8C76,
+FRAMEBUFFER_UNDEFINED : 0x8219,
+PROGRAM_BINARY_RETRIEVABLE_HINT : 0x8257,
+PROGRAM_BINARY_LENGTH : 0x8741,
+PROGRAM_BINARY_FORMATS : 0x87FE,
+NUM_PROGRAM_BINARY_FORMATS : 0x87FF,
+TEXTURE_SWIZZLE_A : 0x8E45,
+TEXTURE_SWIZZLE_B : 0x8E44,
+TEXTURE_SWIZZLE_G : 0x8E43,
+TEXTURE_SWIZZLE_R : 0x8E42,
+PRIMITIVE_RESTART_FIXED_INDEX : 0x8D69,
+};
+
+function assertProperty(v, p) {
+ if (p in v) {
+ return true;
+ } else {
+ testFailed("Property does not exist: " + p)
+ return false;
+ }
+}
+
+function assertNoProperty(v, p) {
+ if (p in v) {
+ testFailed("Property is defined and should not be: " + p)
+ return false;
+ } else {
+ return true;
+ }
+}
+
+function assertMsg_(bool, msg) {
+ if (!bool) // show only failures to avoid spamming result list
+ assertMsg(bool, msg);
+ return bool;
+}
+
+debug("");
+debug("Canvas.getContext");
+
+var canvas = document.getElementById("canvas");
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext(canvas, null, 2);
+var passed = true;
+for (var i in constants) {
+ var r = assertProperty(gl, i) && assertMsg_(gl[i] == constants[i], "Property "+i+" value test "+gl[i]+" == "+constants[i]);
+ passed = passed && r;
+}
+if (passed) {
+ testPassed("All WebGL constants found to have correct values.");
+}
+passed = true;
+for (var i in removedConstants) {
+ var r = assertNoProperty(gl, i);
+ passed = passed && r;
+}
+if (passed) {
+ testPassed("All constants removed from WebGL spec were absent from WebGL context.");
+}
+var extended = false;
+for (var i in gl) {
+ if (constants[i] !== undefined) {
+ // OK; known constant
+ } else if (ignoredProperties.indexOf(i) != -1) {
+ // OK; constant that should be ignored because it was added in a later version of the spec
+ } else if (otherProperties[i] !== undefined &&
+ (otherProperties[i] == "implementation-dependent" || typeof gl[i] == otherProperties[i])) {
+ // OK; known property of known type
+ } else if (typeof gl[i] != "function" && removedConstants[i] === undefined) {
+ if (!extended) {
+ extended = true;
+ testFailed("Also found the following extra properties:");
+ }
+ testFailed(i);
+ }
+}
+
+if (!extended) {
+ testPassed("No extra properties found on WebGL context.");
+}
+
+debug("");
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-attributes-depth-stencil-antialias-obeyed.html b/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-attributes-depth-stencil-antialias-obeyed.html
new file mode 100644
index 0000000000..7cd91959f0
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-attributes-depth-stencil-antialias-obeyed.html
@@ -0,0 +1,89 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!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>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<script>
+"use strict";
+
+function getWebGL(attribs) {
+ var canvas = document.createElement("canvas");
+ if (!canvas)
+ return null;
+
+ // We can't use wtu.create3DContext because it defaults to antialias=false.
+ var names = ["webgl2"];
+ var gl = null;
+ for (var i = 0; i < names.length; ++i) {
+ try {
+ gl = canvas.getContext(names[i], attribs);
+ } catch (e) {
+ }
+ if (gl) {
+ break;
+ }
+ }
+ if (!gl)
+ return null;
+ return gl;
+}
+
+function testAttribs(attribs) {
+ var antialias, depth, stencil;
+ if (!attribs) {
+ antialias = true;
+ depth = true;
+ stencil = false;
+ debug("Testing default attributes: { antialias: true, depth: true, stencil:false }");
+ } else {
+ antialias = attribs.antialias;
+ depth = attribs.depth;
+ stencil = attribs.stencil;
+ debug("Testing specified attributes: { antialias: " + antialias + ", depth: " + depth + ", stencil: " + stencil + " }");
+ }
+ var gl = getWebGL(attribs);
+ if (!gl) {
+ testFailed("Fail to create a context");
+ return;
+ }
+ var actual_attribs = gl.getContextAttributes();
+ if (antialias != actual_attribs.antialias)
+ testFailed("antialias = " + antialias + " is not obeyed")
+ if (depth != actual_attribs.depth)
+ testFailed("depth = " + depth + " is not obeyed")
+ if (stencil != actual_attribs.stencil)
+ testFailed("stencil = " + stencil + " is not obeyed")
+ if (antialias == actual_attribs.antialias &&
+ depth == actual_attribs.depth &&
+ stencil == actual_attribs.stencil) {
+ testPassed("Context created with the correct antialias, depth, and stencil.");
+ }
+}
+
+description('Verify WebGLContextAttributes are working as specified, including depth, stencil, antialias');
+testAttribs(null); // Default attribs
+testAttribs({antialias: true, depth: true, stencil: true});
+testAttribs({antialias: false, depth: true, stencil: true});
+testAttribs({antialias: true, depth: false, stencil: true});
+testAttribs({antialias: false, depth: false, stencil: true});
+testAttribs({antialias: true, depth: true, stencil: false});
+testAttribs({antialias: false, depth: true, stencil: false});
+testAttribs({antialias: true, depth: false, stencil: false});
+testAttribs({antialias: false, depth: false, stencil: false});
+
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-mode.html b/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-mode.html
new file mode 100644
index 0000000000..d896604c50
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-mode.html
@@ -0,0 +1,56 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL2 Canvas Context Mode 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>
+<script>
+"use strict";
+description("This test ensures WebGL 2.0 implementations respect the canvas's context mode.");
+
+debug("");
+
+assertMsg(window.WebGLRenderingContext,
+ "WebGL2RenderingContext should be a member of window");
+assertMsg('WebGL2RenderingContext' in window,
+ "WebGL2RenderingContext should be 'in' window");
+
+function testContextMode(mode, altMode) {
+ debug("Testing " + mode + " context type");
+
+ let c = document.createElement('canvas');
+ c.width = 2;
+ c.height = 2;
+ let gl = c.getContext(mode);
+ assertMsg(c.getContext(mode) == gl,
+ "Canvas.getContext('" + mode + "') should return the same value every time");
+ try {
+ assertMsg(c.getContext(altMode) == null,
+ "Canvas.getContext('" + altMode + "') after getContext('" + mode + "') should return null");
+ } catch (e) {
+ testFailed("Canvas.getContext('" + altMode + "') after getContext('" + mode + "') should not throw an exception");
+ }
+}
+
+testContextMode('webgl2', 'webgl');
+testContextMode('webgl', 'webgl2');
+
+debug("");
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-resize-changes-buffer-binding-bug.html b/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-resize-changes-buffer-binding-bug.html
new file mode 100644
index 0000000000..e6682295a4
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-resize-changes-buffer-binding-bug.html
@@ -0,0 +1,49 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL2 Context Resize Bug Test</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="test"></canvas>
+<script>
+"use strict";
+description("This test verifies canvas resize does not affect PIXEL_UNPACK_BUFFER binding.");
+
+var wtu = WebGLTestUtils;
+var canvas = document.getElementById("test");
+var gl = wtu.create3DContext(canvas, null, 2);
+if (!gl) {
+ testFailed("context does not exist");
+} else {
+ testPassed("context exists");
+ var texture1= gl.createTexture();
+ gl.bindTexture(gl.TEXTURE_3D, texture1);
+ var buffer0= gl.createBuffer();
+ gl.bindBuffer(gl.PIXEL_UNPACK_BUFFER, buffer0);
+
+ canvas.width = 682;
+ // Resizing canvas incorrectly cleared the PIXEL_UNPACK_BUFFER binding to 0
+ // and caused a crash from the following line in Chrome. crbug.com/673929.
+ gl.texImage3D(gl.TEXTURE_3D, 1, gl.R8, 225,664 , 143, 0,
+ gl.LUMINANCE_ALPHA, gl.UNSIGNED_SHORT_4_4_4_4, 0x41414141);
+ testPassed("no crash from texImage3D");
+}
+debug("");
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-sharing-texture2darray-texture3d-data-bug.html b/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-sharing-texture2darray-texture3d-data-bug.html
new file mode 100644
index 0000000000..8ef6dd74b3
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-sharing-texture2darray-texture3d-data-bug.html
@@ -0,0 +1,150 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>Multiple WebGL2 Context sharing texture2darray/texture3d data bug test</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>
+<canvas id="canvas1" width="64" height="64"> </canvas>
+<canvas id="canvas2" width="64" height="64"> </canvas>
+<div id="console"></div>
+
+<!-- WebGL 2 Shaders -->
+<script id="vs" type="x-shader/x-vertex">#version 300 es
+precision mediump float;
+in vec4 a_position;
+in vec2 a_coord;
+out vec2 v_coord;
+void main() {
+ gl_Position = a_position;
+ v_coord = a_coord;
+}
+</script>
+
+<script id="fs_texture_3d" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+in vec2 v_coord;
+uniform mediump sampler3D u_sampler;
+out vec4 o_color;
+void main () {
+ o_color = texture(u_sampler, vec3(v_coord, 0.0));
+}
+</script>
+
+<script id="fs_texture_2d_array" type="x-shader/x-fragment">#version 300 es
+precision mediump float;
+in vec2 v_coord;
+uniform mediump sampler2DArray u_sampler;
+out vec4 o_color;
+void main () {
+ o_color = texture(u_sampler, vec3(v_coord, 0.0));
+}
+</script>
+
+<script>
+"use strict";
+description("This test verifies that 2 different contexts both using 2d array texture or 3d texture does not share the texture data among them due to context save/restore bug. https://bugs.chromium.org/p/chromium/issues/detail?id=788448");
+debug("");
+
+function render(gl, width, height, expectedColor, msg) {
+ wtu.setupUnitQuad(gl, 0, 1);
+ wtu.clearAndDrawUnitQuad(gl);
+ wtu.checkCanvasRect(gl, 0, 0, width, height, expectedColor, msg);
+}
+
+function StateSetup(gl, texture_type, texture_color, width, height) {
+
+ // create a buffer to hold texture data
+ const depth = 4;
+ var size = width * height * depth * 4;
+ var buf = new Uint8Array(size);
+ for (var i = 0; i < size; i += 4) {
+ buf[i + 0] = texture_color[0];
+ buf[i + 1] = texture_color[1];
+ buf[i + 2] = texture_color[2];
+ buf[i + 3] = texture_color[3];
+ }
+ gl.viewport(0, 0, width, height);
+
+ // choose texture type and fragment shader type
+ var tex_type = gl.TEXTURE_2D;
+ var fragment_shader = "", vertex_shader = "vs";
+ if(texture_type === "3d") {
+ tex_type = gl.TEXTURE_3D, fragment_shader = "fs_texture_3d";
+ } else if(texture_type === "2d_array") {
+ tex_type = gl.TEXTURE_2D_ARRAY, fragment_shader = "fs_texture_2d_array";
+ } else {
+ testFailed("Texture type must be 3d or 2darray");
+ }
+
+ var program = wtu.setupProgram(gl, [vertex_shader, fragment_shader], ['a_position', 'a_coord'], [0, 1]);
+
+ // create a texture
+ var texture = gl.createTexture();
+ gl.activeTexture(gl.TEXTURE0);
+
+ // program texture parameters
+ gl.activeTexture(gl.TEXTURE0);
+ gl.bindTexture(tex_type, texture);
+ gl.texImage3D(tex_type, 0, gl.RGBA, width, height, depth, 0, gl.RGBA, gl.UNSIGNED_BYTE, buf);
+ gl.texParameteri(tex_type, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+ gl.texParameteri(tex_type, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+
+ // bind sampler to the texture
+ var samplerLoc = gl.getUniformLocation(program, "u_sampler");
+ gl.uniform1i(samplerLoc, 0);
+
+ // flush all gl commands
+ gl.flush();
+}
+
+var wtu = WebGLTestUtils;
+var canvas1 = document.getElementById("canvas1");
+var gl1 = wtu.create3DContext(canvas1, null, 2); //context1
+
+var canvas2 = document.getElementById("canvas2");
+var gl2 = wtu.create3DContext(canvas2, null, 2); // context2
+
+if (gl1 && gl2)
+{
+ testPassed("Created 2 WebGL2 context successfully");
+ var red = [255, 0, 0, 255], green = [0,255,0,255], blue = [0,0,255,255];
+ var width = 64, height = 64;
+ var texture_type = "3d", texture_color = green;
+ StateSetup(gl1,texture_type, texture_color, width, height);// context1 state setup
+ texture_color = red;
+ StateSetup(gl2, texture_type, texture_color, width, height);// context2 state setup
+ render(gl1, width, height, green, "Result pixels rendering from context1 with 3d texture should be green");// render context1
+
+ texture_type = "2d_array", texture_color = blue;
+ StateSetup(gl1, texture_type, texture_color, width, height);// context1 state setup
+ texture_color = green;
+ StateSetup(gl2, texture_type, texture_color, width, height);// context2 state setup
+ render(gl1, width, height, blue, "Result pixels rendering from context1 with 2darray texture should be blue");//render context1
+}
+else if(!gl1)
+{
+ testFailed("Fail to get 1st WebGL2 context");
+}
+else
+{
+ testFailed("Fail to get 2nd WebGL2 context");
+}
+
+debug("");
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-type-test-2.html b/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-type-test-2.html
new file mode 100644
index 0000000000..42ca0f3742
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/context/context-type-test-2.html
@@ -0,0 +1,80 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL2 Canvas 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="canvas1" style="width: 50px; height: 50px;"> </canvas>
+<canvas id="canvas2" style="width: 50px; height: 50px;"> </canvas>
+<script>
+"use strict";
+description("This test ensures WebGL2 implementations interact correctly with the canvas tag.");
+
+debug("");
+debug("Canvas.getContext");
+
+function runTest() {
+ assertMsg(window.WebGL2RenderingContext,
+ "WebGL2RenderingContext should be a member of window");
+ assertMsg('WebGL2RenderingContext' in window,
+ "WebGL2RenderingContext should be 'in' window");
+
+ const wtu = WebGLTestUtils;
+ let canvas2 = document.getElementById("canvas2");
+ let gl2 = wtu.create3DContext(canvas2, null, 2);
+ if (!gl2) {
+ testFailed("Could not fetch WebGL 2.0 context");
+ return;
+ }
+ testPassed("Fetched WebGL2 context successfully");
+
+ debug("Checking WebGL2 context type");
+ assertMsg(gl2 instanceof WebGL2RenderingContext,
+ "context type should be WebGL2RenderingContext");
+
+ // WebGL1 contexts do not respond to the WebGL2 context type, and vice versa.
+ let canvas1 = document.getElementById("canvas1");
+ let gl1 = wtu.create3DContext(canvas1, null, 1);
+ if (!gl1) {
+ testFailed("Could not fetch WebGL 1.0 context");
+ return;
+ }
+
+ debug("Checking WebGL1 context type");
+ assertMsg(gl1 instanceof WebGLRenderingContext,
+ "context type should be WebGLRenderingContext");
+
+ let msg1 = "A canvas which has created a WebGL 1.0 context should not return it for a 'webgl2' context request";
+ if (canvas1.getContext("webgl2"))
+ testFailed(msg1);
+ else
+ testPassed(msg1);
+
+ let msg2 = "A canvas which has created a WebGL 2.0 context should not return it for a 'webgl' context request";
+ if (canvas2.getContext("webgl"))
+ testFailed(msg2);
+ else
+ testPassed(msg2);
+}
+
+runTest();
+debug("");
+
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/context/incorrect-context-object-behaviour.html b/dom/canvas/test/webgl-conf/checkout/conformance2/context/incorrect-context-object-behaviour.html
new file mode 100644
index 0000000000..3f0b54fc6e
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/context/incorrect-context-object-behaviour.html
@@ -0,0 +1,230 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!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 id="tf-vshader" type="x-shader/x-vertex">#version 300 es
+in uint in_data;
+flat out uint out_data;
+void main() {
+ out_data = in_data;
+}
+</script>
+<script id="tf-fshader" type="x-shader/x-fragment">#version 300 es
+void main() {}
+</script>
+
+<script>
+"use strict";
+description("Tests calling WebGL 2.0 APIs with objects from other contexts");
+
+function loadTFProgram(context) {
+ const tfProgram = wtu.setupTransformFeedbackProgram(context, ["tf-vshader", "tf-fshader"],
+ ["out_data"], context.SEPARATE_ATTRIBS,
+ ["in_data"]);
+ wtu.glErrorShouldBe(context, context.NO_ERROR, "linking transform feedback shader should not set an error");
+ return tfProgram;
+}
+
+function create2DTextureArray4x4x4(context) {
+ const texture = context.createTexture();
+ context.bindTexture(context.TEXTURE_2D_ARRAY, texture);
+ context.texImage3D(context.TEXTURE_2D_ARRAY, 0, context.RGBA8, 4, 4, 4, 0, context.RGBA, context.UNSIGNED_BYTE, null);
+ wtu.glErrorShouldBe(context, context.NO_ERROR, "allocating 2D texture array should not set an error");
+ return texture;
+}
+
+var wtu = WebGLTestUtils;
+var contextA = wtu.create3DContext(undefined, undefined, 2);
+var contextB = wtu.create3DContext(undefined, undefined, 2);
+var bufferA = contextA.createBuffer();
+var bufferB = contextB.createBuffer();
+var frameBufferA = contextA.createFramebuffer();
+var frameBufferB = contextB.createFramebuffer();
+var programB = wtu.loadStandardProgram(contextB);
+var queryB = contextB.createQuery();
+var samplerA = contextA.createSampler();
+var samplerB = contextB.createSampler();
+var syncB = contextB.fenceSync(contextB.SYNC_GPU_COMMANDS_COMPLETE, 0);
+var transformFeedbackA = contextA.createTransformFeedback();
+var transformFeedbackB = contextB.createTransformFeedback();
+var vertexArrayA = contextA.createVertexArray();
+var vertexArrayB = contextB.createVertexArray();
+var tfProgramB = loadTFProgram(contextB);
+var texture2DArrayA = create2DTextureArray4x4x4(contextA);
+var texture2DArrayB = create2DTextureArray4x4x4(contextB);
+var locationB = contextB.getUniformLocation(programB, 'u_modelViewProjMatrix');
+var uniformData = [];
+
+function generateFloat32Array(length) {
+ uniformData = new Float32Array(length);
+}
+
+function generateFloatArray(length) {
+ uniformData = new Array(length);
+ for (var i = 0; i < length; i++) {
+ uniformData[i] = 0.0;
+ }
+}
+
+function generateInt32Array(length) {
+ uniformData = new Int32Array(length);
+}
+
+function generateIntArray(length) {
+ uniformData = new Array(length);
+ for (var i = 0; i < length; i++) {
+ uniformData[i] = 0;
+ }
+}
+
+function generateUint32Array(length) {
+ uniformData = new Uint32Array(length);
+}
+
+// Make the bindable objects valid in both contexts first.
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.bindBuffer(contextA.ARRAY_BUFFER, bufferA)");
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.bindBuffer(contextA.ARRAY_BUFFER, null)");
+wtu.shouldGenerateGLError(contextB, contextB.NO_ERROR, "contextB.bindBuffer(contextB.ARRAY_BUFFER, bufferB)");
+wtu.shouldGenerateGLError(contextB, contextB.NO_ERROR, "contextB.bindBuffer(contextB.ARRAY_BUFFER, null)");
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.bindTransformFeedback(contextA.TRANSFORM_FEEDBACK, transformFeedbackA)");
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.bindTransformFeedback(contextA.TRANSFORM_FEEDBACK, null)");
+wtu.shouldGenerateGLError(contextB, contextB.NO_ERROR, "contextB.bindTransformFeedback(contextB.TRANSFORM_FEEDBACK, transformFeedbackB)");
+wtu.shouldGenerateGLError(contextB, contextB.NO_ERROR, "contextB.bindTransformFeedback(contextB.TRANSFORM_FEEDBACK, null)");
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.bindVertexArray(vertexArrayA)");
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.bindVertexArray(null)");
+wtu.shouldGenerateGLError(contextB, contextB.NO_ERROR, "contextB.bindVertexArray(vertexArrayB)");
+wtu.shouldGenerateGLError(contextB, contextB.NO_ERROR, "contextB.bindVertexArray(null)");
+
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.bindFramebuffer(contextA.FRAMEBUFFER, frameBufferA)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.framebufferTextureLayer(contextA.FRAMEBUFFER, contextA.COLOR_ATTACHMENT0, texture2DArrayB, 0, 0)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.getFragDataLocation(tfProgramB, 'nonexistent_variable')");
+// Unsigned int uniforms
+ wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform1ui(locationB, 0)");
+generateUint32Array(1); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform1uiv(locationB, uniformData)");
+generateIntArray(1); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform1uiv(locationB, uniformData)");
+ wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform2ui(locationB, 0, 0)");
+generateUint32Array(2); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform2uiv(locationB, uniformData)");
+generateIntArray(2); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform2uiv(locationB, uniformData)");
+ wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform3ui(locationB, 0, 0, 0)");
+generateUint32Array(3); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform3uiv(locationB, uniformData)");
+generateIntArray(3); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform3uiv(locationB, uniformData)");
+ wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform4ui(locationB, 0, 0, 0, 0)");
+generateUint32Array(4); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform4uiv(locationB, uniformData)");
+generateIntArray(4); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform4uiv(locationB, uniformData)");
+// New uniform entry points with offsets
+generateFloat32Array(2); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform1fv(locationB, uniformData, 1)");
+generateFloatArray(2); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform1fv(locationB, uniformData, 1)");
+generateInt32Array(2); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform1iv(locationB, uniformData, 1)");
+generateIntArray(2); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform1iv(locationB, uniformData, 1)");
+generateFloat32Array(3); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform2fv(locationB, uniformData, 1)");
+generateFloatArray(3); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform2fv(locationB, uniformData, 1)");
+generateInt32Array(3); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform2iv(locationB, uniformData, 1)");
+generateIntArray(3); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform2iv(locationB, uniformData, 1)");
+generateFloat32Array(4); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform3fv(locationB, uniformData, 1)");
+generateFloatArray(4); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform3fv(locationB, uniformData, 1)");
+generateInt32Array(4); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform3iv(locationB, uniformData, 1)");
+generateIntArray(4); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform3iv(locationB, uniformData, 1)");
+generateFloat32Array(5); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform4fv(locationB, uniformData, 1)");
+generateFloatArray(5); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform4fv(locationB, uniformData, 1)");
+generateInt32Array(5); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform4iv(locationB, uniformData, 1)");
+generateIntArray(5); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniform4iv(locationB, uniformData, 1)");
+generateFloat32Array(5); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix2fv(locationB, false, uniformData, 1)");
+generateFloatArray(5); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix2fv(locationB, false, uniformData, 1)");
+generateFloat32Array(10); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix3fv(locationB, false, uniformData, 1)");
+generateFloatArray(10); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix3fv(locationB, false, uniformData, 1)");
+generateFloat32Array(17); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix4fv(locationB, false, uniformData, 1)");
+generateFloatArray(17); wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix4fv(locationB, false, uniformData, 1)");
+// Non-rectangular matrix uniform entry points
+generateFloat32Array(6);
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix3x2fv(locationB, false, uniformData)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix2x3fv(locationB, false, uniformData)");
+generateFloatArray(6);
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix3x2fv(locationB, false, uniformData)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix2x3fv(locationB, false, uniformData)");
+generateFloat32Array(8);
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix4x2fv(locationB, false, uniformData)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix2x4fv(locationB, false, uniformData)");
+generateFloatArray(8);
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix4x2fv(locationB, false, uniformData)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix2x4fv(locationB, false, uniformData)");
+generateFloat32Array(12);
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix4x3fv(locationB, false, uniformData)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix3x4fv(locationB, false, uniformData)");
+generateFloatArray(12);
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix4x3fv(locationB, false, uniformData)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformMatrix3x4fv(locationB, false, uniformData)");
+
+// Query objects
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.deleteQuery(queryB)");
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.isQuery(queryB)");
+shouldBeFalse("contextA.isQuery(queryB)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.beginQuery(contextA.ANY_SAMPLES_PASSED, queryB)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.getQueryParameter(queryB, contextA.QUERY_RESULT_AVAILABLE)");
+
+// Sampler objects
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.deleteSampler(samplerB)");
+wtu.shouldGenerateGLError(contextB, contextB.INVALID_OPERATION, "contextB.deleteSampler(samplerA)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.bindSampler(0, samplerB)");
+wtu.shouldGenerateGLError(contextB, contextB.INVALID_OPERATION, "contextB.bindSampler(0, samplerA)");
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.isSampler(samplerB)");
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextB.isSampler(samplerA)");
+shouldBeFalse("contextA.isSampler(samplerB)");
+shouldBeFalse("contextB.isSampler(samplerA)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.samplerParameteri(samplerB, contextA.TEXTURE_WRAP_S, contextA.CLAMP_TO_EDGE)");
+wtu.shouldGenerateGLError(contextB, contextB.INVALID_OPERATION, "contextB.samplerParameteri(samplerA, contextB.TEXTURE_WRAP_S, contextB.CLAMP_TO_EDGE)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.samplerParameterf(samplerB, contextA.TEXTURE_MIN_LOD, -500.5)");
+wtu.shouldGenerateGLError(contextB, contextB.INVALID_OPERATION, "contextB.samplerParameterf(samplerA, contextB.TEXTURE_MIN_LOD, -500.5)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.getSamplerParameter(samplerB, contextA.TEXTURE_WRAP_S)");
+wtu.shouldGenerateGLError(contextB, contextB.INVALID_OPERATION, "contextB.getSamplerParameter(samplerA, contextB.TEXTURE_WRAP_S)");
+
+// Sync objects
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.deleteSync(syncB)");
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.isSync(syncB)");
+shouldBeFalse("contextA.isSync(syncB)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.clientWaitSync(syncB, 0, 0)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.waitSync(syncB, 0, contextA.TIMEOUT_IGNORED)");
+
+// Transform feedback
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.deleteTransformFeedback(transformFeedbackB)");
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.isTransformFeedback(transformFeedbackB)");
+shouldBeFalse("contextA.isTransformFeedback(transformFeedbackB)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.bindTransformFeedback(contextA.TRANSFORM_FEEDBACK, transformFeedbackB)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.transformFeedbackVaryings(tfProgramB, ['out_data'], contextA.SEPARATE_ATTRIBS)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.getTransformFeedbackVarying(tfProgramB, 0)");
+
+// Uniform buffer objects and transform feedback buffers
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.bindBufferBase(contextA.UNIFORM_BUFFER, 0, bufferB)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.bindBufferRange(contextA.UNIFORM_BUFFER, 0, bufferB, 0, 4)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.getUniformIndices(programB, ['u_modelViewProjMatrix'])");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.getActiveUniforms(programB, [0], contextA.UNIFORM_TYPE)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.getUniformBlockIndex(programB, 'nonexistent_uniform_block_name')");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.getActiveUniformBlockParameter(programB, 0, contextA.UNIFORM_BLOCK_BINDING)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.getActiveUniformBlockName(programB, 0)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.uniformBlockBinding(programB, 0, 0)");
+
+// Vertex Array objects
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.deleteVertexArray(vertexArrayB)");
+wtu.shouldGenerateGLError(contextA, contextA.NO_ERROR, "contextA.isVertexArray(vertexArrayB)");
+shouldBeFalse("contextA.isVertexArray(vertexArrayB)");
+wtu.shouldGenerateGLError(contextA, contextA.INVALID_OPERATION, "contextA.bindVertexArray(vertexArrayB)");
+
+var successfullyParsed = true;
+</script>
+
+<script src="../../js/js-test-post.js"></script>
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/context/methods-2.html b/dom/canvas/test/webgl-conf/checkout/conformance2/context/methods-2.html
new file mode 100644
index 0000000000..a389329aa3
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/context/methods-2.html
@@ -0,0 +1,268 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL2 Methods Test</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>
+<script src="../../js/tests/context-methods.js"></script>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<canvas id="canvas" style="width: 50px; height: 50px;"> </canvas>
+<script>
+"use strict";
+description("This test ensures that the WebGL context has all the methods in the specification.");
+
+const methods = [
+ "getContextAttributes",
+ "activeTexture",
+ "attachShader",
+ "bindAttribLocation",
+ "bindBuffer",
+ "bindFramebuffer",
+ "bindRenderbuffer",
+ "bindTexture",
+ "blendColor",
+ "blendEquation",
+ "blendEquationSeparate",
+ "blendFunc",
+ "blendFuncSeparate",
+ "bufferData",
+ "bufferSubData",
+ "checkFramebufferStatus",
+ "clear",
+ "clearColor",
+ "clearDepth",
+ "clearStencil",
+ "colorMask",
+ "compileShader",
+ "compressedTexImage2D",
+ "compressedTexSubImage2D",
+ "copyTexImage2D",
+ "copyTexSubImage2D",
+ "createBuffer",
+ "createFramebuffer",
+ "createProgram",
+ "createRenderbuffer",
+ "createShader",
+ "createTexture",
+ "cullFace",
+ "deleteBuffer",
+ "deleteFramebuffer",
+ "deleteProgram",
+ "deleteRenderbuffer",
+ "deleteShader",
+ "deleteTexture",
+ "depthFunc",
+ "depthMask",
+ "depthRange",
+ "detachShader",
+ "disable",
+ "disableVertexAttribArray",
+ "drawArrays",
+ "drawElements",
+ "enable",
+ "enableVertexAttribArray",
+ "finish",
+ "flush",
+ "framebufferRenderbuffer",
+ "framebufferTexture2D",
+ "frontFace",
+ "generateMipmap",
+ "getActiveAttrib",
+ "getActiveUniform",
+ "getAttachedShaders",
+ "getAttribLocation",
+ "getParameter",
+ "getBufferParameter",
+ "getError",
+ "getExtension",
+ "getFramebufferAttachmentParameter",
+ "getProgramParameter",
+ "getProgramInfoLog",
+ "getRenderbufferParameter",
+ "getShaderParameter",
+ "getShaderInfoLog",
+ "getShaderPrecisionFormat",
+ "getShaderSource",
+ "getSupportedExtensions",
+ "getTexParameter",
+ "getUniform",
+ "getUniformLocation",
+ "getVertexAttrib",
+ "getVertexAttribOffset",
+ "hint",
+ "isBuffer",
+ "isContextLost",
+ "isEnabled",
+ "isFramebuffer",
+ "isProgram",
+ "isRenderbuffer",
+ "isShader",
+ "isTexture",
+ "lineWidth",
+ "linkProgram",
+ "pixelStorei",
+ "polygonOffset",
+ "readPixels",
+ "renderbufferStorage",
+ "sampleCoverage",
+ "scissor",
+ "shaderSource",
+ "stencilFunc",
+ "stencilFuncSeparate",
+ "stencilMask",
+ "stencilMaskSeparate",
+ "stencilOp",
+ "stencilOpSeparate",
+ "texImage2D",
+ "texParameterf",
+ "texParameteri",
+ "texSubImage2D",
+ "uniform1f",
+ "uniform1fv",
+ "uniform1i",
+ "uniform1iv",
+ "uniform2f",
+ "uniform2fv",
+ "uniform2i",
+ "uniform2iv",
+ "uniform3f",
+ "uniform3fv",
+ "uniform3i",
+ "uniform3iv",
+ "uniform4f",
+ "uniform4fv",
+ "uniform4i",
+ "uniform4iv",
+ "uniformMatrix2fv",
+ "uniformMatrix3fv",
+ "uniformMatrix4fv",
+ "useProgram",
+ "validateProgram",
+ "vertexAttrib1f",
+ "vertexAttrib1fv",
+ "vertexAttrib2f",
+ "vertexAttrib2fv",
+ "vertexAttrib3f",
+ "vertexAttrib3fv",
+ "vertexAttrib4f",
+ "vertexAttrib4fv",
+ "vertexAttribPointer",
+ "viewport",
+
+ // WebGL2 methods
+ "getBufferSubData",
+ "copyBufferSubData",
+ "blitFramebuffer",
+ "framebufferTextureLayer",
+ "getInternalformatParameter",
+ "invalidateFramebuffer",
+ "invalidateSubFramebuffer",
+ "readBuffer",
+ "renderbufferStorageMultisample",
+ "texImage3D",
+ "texStorage2D",
+ "texStorage3D",
+ "texSubImage3D",
+ "copyTexSubImage3D",
+ "compressedTexImage3D",
+ "compressedTexSubImage3D",
+ "getFragDataLocation",
+ "uniform1ui",
+ "uniform2ui",
+ "uniform3ui",
+ "uniform4ui",
+ "uniform1uiv",
+ "uniform2uiv",
+ "uniform3uiv",
+ "uniform4uiv",
+ "uniformMatrix2x3fv",
+ "uniformMatrix3x2fv",
+ "uniformMatrix2x4fv",
+ "uniformMatrix4x2fv",
+ "uniformMatrix3x4fv",
+ "uniformMatrix4x3fv",
+ "vertexAttribI4i",
+ "vertexAttribI4iv",
+ "vertexAttribI4ui",
+ "vertexAttribI4uiv",
+ "vertexAttribIPointer",
+ "vertexAttribDivisor",
+ "drawArraysInstanced",
+ "drawElementsInstanced",
+ "drawRangeElements",
+ "drawBuffers",
+ "clearBufferiv",
+ "clearBufferuiv",
+ "clearBufferfv",
+ "clearBufferfi",
+ "createQuery",
+ "deleteQuery",
+ "isQuery",
+ "beginQuery",
+ "endQuery",
+ "getQuery",
+ "getQueryParameter",
+ "createSampler",
+ "deleteSampler",
+ "isSampler",
+ "bindSampler",
+ "samplerParameteri",
+ "samplerParameterf",
+ "getSamplerParameter",
+ "fenceSync",
+ "isSync",
+ "deleteSync",
+ "clientWaitSync",
+ "waitSync",
+ "getSyncParameter",
+ "createTransformFeedback",
+ "deleteTransformFeedback",
+ "isTransformFeedback",
+ "bindTransformFeedback",
+ "beginTransformFeedback",
+ "endTransformFeedback",
+ "transformFeedbackVaryings",
+ "getTransformFeedbackVarying",
+ "pauseTransformFeedback",
+ "resumeTransformFeedback",
+ "bindBufferBase",
+ "bindBufferRange",
+ "getIndexedParameter",
+ "getUniformIndices",
+ "getActiveUniforms",
+ "getUniformBlockIndex",
+ "getActiveUniformBlockParameter",
+ "getActiveUniformBlockName",
+ "uniformBlockBinding",
+ "createVertexArray",
+ "deleteVertexArray",
+ "isVertexArray",
+ "bindVertexArray",
+];
+
+debug("");
+debug("Canvas.getContext");
+
+const wtu = WebGLTestUtils;
+const canvas = document.getElementById("canvas");
+const gl = wtu.create3DContext(canvas, null, 2);
+
+testContextMethods(gl, methods);
+
+debug("");
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/context/no-experimental-webgl2.html b/dom/canvas/test/webgl-conf/checkout/conformance2/context/no-experimental-webgl2.html
new file mode 100644
index 0000000000..65aa9cb16d
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance2/context/no-experimental-webgl2.html
@@ -0,0 +1,35 @@
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL2 Canvas 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" style="width: 50px; height: 50px;"> </canvas>
+<canvas id="canvas2d" width="40" height="40"> </canvas>
+<script>
+"use strict";
+description("This test ensures WebGL2 implementations do not respond to experimental-webgl2.");
+
+debug("");
+
+var canvas = document.getElementById("canvas");
+shouldBeNull('canvas.getContext("experimental-webgl2")');
+debug("");
+var successfullyParsed = true;
+</script>
+<script src="../../js/js-test-post.js"></script>
+
+</body>
+</html>