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@@ -0,0 +1,501 @@
+// GENERATED FILE - DO NOT EDIT.
+// Generated by gen_features.py using data from gl_features.json.
+//
+// Copyright 2022 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// FeaturesGL_autogen.h: angle::Features and workarounds for GL driver bugs and other issues.
+
+#ifndef ANGLE_PLATFORM_FEATURESGL_H_
+#define ANGLE_PLATFORM_FEATURESGL_H_
+
+#include "platform/Feature.h"
+
+namespace angle
+{
+
+struct FeaturesGL : FeatureSetBase
+{
+    FeaturesGL();
+    ~FeaturesGL();
+
+    FeatureInfo avoid1BitAlphaTextureFormats = {
+        "avoid1BitAlphaTextureFormats",
+        FeatureCategory::OpenGLWorkarounds,
+        "Issue with 1-bit alpha framebuffer formats",
+        &members,
+    };
+
+    FeatureInfo RGBA4IsNotSupportedForColorRendering = {
+        "RGBA4IsNotSupportedForColorRendering",
+        FeatureCategory::OpenGLWorkarounds,
+        "GL_RGBA4 is not color renderable",
+        &members,
+    };
+
+    FeatureInfo allowETCFormats = {
+        "allowETCFormats",
+        FeatureCategory::OpenGLWorkarounds,
+        "Enable ETC2/EAC on desktop OpenGL",
+        &members,
+    };
+
+    FeatureInfo allowAstcFormats = {
+        "allowAstcFormats",
+        FeatureCategory::OpenGLWorkarounds,
+        "Enable ASTC on desktop OpenGL",
+        &members,
+    };
+
+    FeatureInfo doesSRGBClearsOnLinearFramebufferAttachments = {
+        "doesSRGBClearsOnLinearFramebufferAttachments",
+        FeatureCategory::OpenGLWorkarounds,
+        "Issue clearing framebuffers with linear attachments when GL_FRAMEBUFFER_SRGB is enabled",
+        &members,
+    };
+
+    FeatureInfo doWhileGLSLCausesGPUHang = {
+        "doWhileGLSLCausesGPUHang", FeatureCategory::OpenGLWorkarounds,
+        "Some GLSL constructs involving do-while loops cause GPU hangs", &members,
+        "http://crbug.com/644669"};
+
+    FeatureInfo vertexIDDoesNotIncludeBaseVertex = {
+        "vertexIDDoesNotIncludeBaseVertex",
+        FeatureCategory::OpenGLWorkarounds,
+        "gl_VertexID in GLSL vertex shader doesn't include base vertex value",
+        &members,
+    };
+
+    FeatureInfo finishDoesNotCauseQueriesToBeAvailable = {
+        "finishDoesNotCauseQueriesToBeAvailable",
+        FeatureCategory::OpenGLWorkarounds,
+        "glFinish doesn't cause all queries to report available result",
+        &members,
+    };
+
+    FeatureInfo alwaysCallUseProgramAfterLink = {
+        "alwaysCallUseProgramAfterLink", FeatureCategory::OpenGLWorkarounds,
+        "Always call useProgram after a successful link to avoid a driver bug", &members,
+        "http://crbug.com/110263"};
+
+    FeatureInfo unpackOverlappingRowsSeparatelyUnpackBuffer = {
+        "unpackOverlappingRowsSeparatelyUnpackBuffer",
+        FeatureCategory::OpenGLWorkarounds,
+        "In the case of unpacking from a pixel unpack buffer, unpack overlapping rows row by row",
+        &members,
+    };
+
+    FeatureInfo packOverlappingRowsSeparatelyPackBuffer = {
+        "packOverlappingRowsSeparatelyPackBuffer",
+        FeatureCategory::OpenGLWorkarounds,
+        "In the case of packing to a pixel pack buffer, pack overlapping rows row by row",
+        &members,
+    };
+
+    FeatureInfo initializeCurrentVertexAttributes = {
+        "initializeCurrentVertexAttributes",
+        FeatureCategory::OpenGLWorkarounds,
+        "During initialization, assign the current vertex attributes to the spec-mandated defaults",
+        &members,
+    };
+
+    FeatureInfo emulateAbsIntFunction = {"emulateAbsIntFunction",
+                                         FeatureCategory::OpenGLWorkarounds,
+                                         "abs(i) where i is an integer returns unexpected result",
+                                         &members, "http://crbug.com/642227"};
+
+    FeatureInfo addAndTrueToLoopCondition = {
+        "addAndTrueToLoopCondition",
+        FeatureCategory::OpenGLWorkarounds,
+        "Calculation of loop conditions in for and while loop has bug",
+        &members,
+    };
+
+    FeatureInfo unpackLastRowSeparatelyForPaddingInclusion = {
+        "unpackLastRowSeparatelyForPaddingInclusion", FeatureCategory::OpenGLWorkarounds,
+        "When uploading textures from an unpack buffer, some drivers count an extra row padding",
+        &members, "http://anglebug.com/1512"};
+
+    FeatureInfo packLastRowSeparatelyForPaddingInclusion = {
+        "packLastRowSeparatelyForPaddingInclusion", FeatureCategory::OpenGLWorkarounds,
+        "When uploading textures from an pack buffer, some drivers count an extra row padding",
+        &members, "http://anglebug.com/1512"};
+
+    FeatureInfo emulateIsnanFloat = {"emulateIsnanFloat", FeatureCategory::OpenGLWorkarounds,
+                                     "Using isnan() on highp float will get wrong answer", &members,
+                                     "http://crbug.com/650547"};
+
+    FeatureInfo useUnusedBlocksWithStandardOrSharedLayout = {
+        "useUnusedBlocksWithStandardOrSharedLayout",
+        FeatureCategory::OpenGLWorkarounds,
+        "Unused std140 or shared uniform blocks will be treated as inactive",
+        &members,
+    };
+
+    FeatureInfo removeInvariantAndCentroidForESSL3 = {
+        "removeInvariantAndCentroidForESSL3",
+        FeatureCategory::OpenGLWorkarounds,
+        "Fix spec difference between GLSL 4.1 or lower and ESSL3",
+        &members,
+    };
+
+    FeatureInfo rewriteFloatUnaryMinusOperator = {
+        "rewriteFloatUnaryMinusOperator", FeatureCategory::OpenGLWorkarounds,
+        "Using '-<float>' will get wrong answer", &members, "http://crbug.com/308366"};
+
+    FeatureInfo emulateAtan2Float = {"emulateAtan2Float", FeatureCategory::OpenGLWorkarounds,
+                                     "atan(y, x) may return a wrong answer", &members,
+                                     "http://crbug.com/672380"};
+
+    FeatureInfo reapplyUBOBindingsAfterUsingBinaryProgram = {
+        "reapplyUBOBindingsAfterUsingBinaryProgram", FeatureCategory::OpenGLWorkarounds,
+        "Some drivers forget about UBO bindings when using program binaries", &members,
+        "http://anglebug.com/1637"};
+
+    FeatureInfo emulateMaxVertexAttribStride = {
+        "emulateMaxVertexAttribStride", FeatureCategory::OpenGLWorkarounds,
+        "Some drivers return 0 when MAX_VERTEX_ATTRIB_STRIED queried", &members,
+        "http://anglebug.com/1936"};
+
+    FeatureInfo dontInitializeUninitializedLocals = {
+        "dontInitializeUninitializedLocals", FeatureCategory::OpenGLWorkarounds,
+        "Initializing uninitialized locals caused odd behavior in a few WebGL 2 tests", &members,
+        "http://anglebug.com/2046"};
+
+    FeatureInfo clampPointSize = {
+        "clampPointSize",
+        FeatureCategory::OpenGLWorkarounds,
+        "The point size range reported from the API is inconsistent with the actual behavior",
+        &members,
+    };
+
+    FeatureInfo dontUseLoopsToInitializeVariables = {
+        "dontUseLoopsToInitializeVariables", FeatureCategory::OpenGLWorkarounds,
+        "For loops used to initialize variables hit native GLSL compiler bugs", &members,
+        "http://crbug.com/809422"};
+
+    FeatureInfo clampFragDepth = {
+        "clampFragDepth",
+        FeatureCategory::OpenGLWorkarounds,
+        "gl_FragDepth is not clamped correctly when rendering to a floating point depth buffer",
+        &members,
+    };
+
+    FeatureInfo rewriteRepeatedAssignToSwizzled = {
+        "rewriteRepeatedAssignToSwizzled",
+        FeatureCategory::OpenGLWorkarounds,
+        "Repeated assignment to swizzled values inside a "
+        "GLSL user-defined function have incorrect results",
+        &members,
+    };
+
+    FeatureInfo disableBlendFuncExtended = {
+        "disableBlendFuncExtended", FeatureCategory::OpenGLWorkarounds,
+        "ARB_blend_func_extended does not pass the tests", &members, "http://anglebug.com/1085"};
+
+    FeatureInfo unsizedSRGBReadPixelsDoesntTransform = {
+        "unsizedSRGBReadPixelsDoesntTransform", FeatureCategory::OpenGLWorkarounds,
+        "Drivers returning raw sRGB values instead of linearized values when calling glReadPixels "
+        "on unsized sRGB texture formats",
+        &members, "http://crbug.com/550292 http://crbug.com/565179"};
+
+    FeatureInfo queryCounterBitsGeneratesErrors = {
+        "queryCounterBitsGeneratesErrors", FeatureCategory::OpenGLWorkarounds,
+        "Drivers generate errors when querying the number of bits in timer queries", &members,
+        "http://anglebug.com/3027"};
+
+    FeatureInfo dontRelinkProgramsInParallel = {
+        "dontRelinkProgramsInParallel", FeatureCategory::OpenGLWorkarounds,
+        "Relinking a program in parallel is buggy", &members, "http://anglebug.com/3045"};
+
+    FeatureInfo disableWorkerContexts = {"disableWorkerContexts",
+                                         FeatureCategory::OpenGLWorkarounds,
+                                         "Some tests have been seen to fail using worker contexts",
+                                         &members, "http://crbug.com/849576"};
+
+    FeatureInfo limitWebglMaxTextureSizeTo4096 = {
+        "limitWebglMaxTextureSizeTo4096", FeatureCategory::OpenGLWorkarounds,
+        "Limit webgl max texture size to 4096 to avoid frequent "
+        "out-of-memory errors",
+        &members, "http://crbug.com/927470"};
+
+    FeatureInfo limitMaxMSAASamplesTo4 = {
+        "limitMaxMSAASamplesTo4", FeatureCategory::OpenGLWorkarounds,
+        "Various rendering bugs have been observed when using higher MSAA counts", &members,
+        "http://crbug.com/797243"};
+
+    FeatureInfo allowClearForRobustResourceInit = {
+        "allowClearForRobustResourceInit", FeatureCategory::OpenGLWorkarounds,
+        "Using glClear for robust resource initialization is buggy on some drivers and leads to "
+        "texture corruption. Default to data uploads except on MacOS where it is very slow.",
+        &members, "https://crbug.com/848952 http://crbug.com/883276"};
+
+    FeatureInfo clampArrayAccess = {"clampArrayAccess", FeatureCategory::OpenGLWorkarounds,
+                                    "Clamp uniform array access to avoid reading invalid memory.",
+                                    &members, "http://anglebug.com/2978"};
+
+    FeatureInfo resetTexImage2DBaseLevel = {
+        "resetTexImage2DBaseLevel", FeatureCategory::OpenGLWorkarounds,
+        "Reset texture base level before calling glTexImage2D to "
+        "work around pixel comparison failure.",
+        &members, "https://crbug.com/705865"};
+
+    FeatureInfo clearToZeroOrOneBroken = {
+        "clearToZeroOrOneBroken", FeatureCategory::OpenGLWorkarounds,
+        "Clears when the clear color is all zeros or ones do not work.", &members,
+        "https://crbug.com/710443"};
+
+    FeatureInfo limitMax3dArrayTextureSizeTo1024 = {
+        "limitMax3dArrayTextureSizeTo1024", FeatureCategory::OpenGLWorkarounds,
+        "Limit max 3d texture size and max array texture layers to 1024 to avoid system hang",
+        &members, "http://crbug.com/927470"};
+
+    FeatureInfo adjustSrcDstRegionForBlitFramebuffer = {
+        "adjustSrcDstRegionForBlitFramebuffer", FeatureCategory::OpenGLWorkarounds,
+        "Many platforms have issues with blitFramebuffer when the parameters are large.", &members,
+        "http://crbug.com/830046"};
+
+    FeatureInfo clipSrcRegionForBlitFramebuffer = {
+        "clipSrcRegionForBlitFramebuffer", FeatureCategory::OpenGLWorkarounds,
+        "Issues with blitFramebuffer when the parameters don't match the framebuffer size.",
+        &members, "http://crbug.com/830046"};
+
+    FeatureInfo RGBDXT1TexturesSampleZeroAlpha = {
+        "RGBDXT1TexturesSampleZeroAlpha", FeatureCategory::OpenGLWorkarounds,
+        "Sampling BLACK texels from RGB DXT1 textures returns transparent black on Mac.", &members,
+        "http://anglebug.com/3729"};
+
+    FeatureInfo unfoldShortCircuits = {
+        "unfoldShortCircuits", FeatureCategory::OpenGLWorkarounds,
+        "Mac incorrectly executes both sides of && and || expressions when they should "
+        "short-circuit.",
+        &members, "http://anglebug.com/482"};
+
+    FeatureInfo emulatePrimitiveRestartFixedIndex = {
+        "emulatePrimitiveRestartFixedIndex", FeatureCategory::OpenGLWorkarounds,
+        "When GL_PRIMITIVE_RESTART_FIXED_INDEX is not available, emulate it with "
+        "GL_PRIMITIVE_RESTART and glPrimitiveRestartIndex.",
+        &members, "http://anglebug.com/3997"};
+
+    FeatureInfo setPrimitiveRestartFixedIndexForDrawArrays = {
+        "setPrimitiveRestartFixedIndexForDrawArrays", FeatureCategory::OpenGLWorkarounds,
+        "Some drivers discard vertex data in DrawArrays calls when the fixed primitive restart "
+        "index is within the number of primitives being drawn.",
+        &members, "http://anglebug.com/3997"};
+
+    FeatureInfo removeDynamicIndexingOfSwizzledVector = {
+        "removeDynamicIndexingOfSwizzledVector", FeatureCategory::OpenGLWorkarounds,
+        "Dynamic indexing of swizzled l-values doesn't work correctly on various platforms.",
+        &members, "http://crbug.com/709351"};
+
+    FeatureInfo preAddTexelFetchOffsets = {
+        "preAddTexelFetchOffsets", FeatureCategory::OpenGLWorkarounds,
+        "Intel Mac drivers mistakenly consider the parameter position of nagative vaule as invalid "
+        "even if the sum of position and offset is in range, so we need to add workarounds by "
+        "rewriting texelFetchOffset(sampler, position, lod, offset) into texelFetch(sampler, "
+        "position + offset, lod).",
+        &members, "http://crbug.com/642605"};
+
+    FeatureInfo regenerateStructNames = {
+        "regenerateStructNames", FeatureCategory::OpenGLWorkarounds,
+        "All Mac drivers do not handle struct scopes correctly. This workaround overwrites a struct"
+        "name with a unique prefix.",
+        &members, "http://crbug.com/403957"};
+
+    FeatureInfo readPixelsUsingImplementationColorReadFormatForNorm16 = {
+        "readPixelsUsingImplementationColorReadFormatForNorm16", FeatureCategory::OpenGLWorkarounds,
+        "Quite some OpenGL ES drivers don't implement readPixels for RGBA/UNSIGNED_SHORT from "
+        "EXT_texture_norm16 correctly",
+        &members, "http://anglebug.com/4214"};
+
+    FeatureInfo flushBeforeDeleteTextureIfCopiedTo = {
+        "flushBeforeDeleteTextureIfCopiedTo", FeatureCategory::OpenGLWorkarounds,
+        "Some drivers track CopyTex{Sub}Image texture dependencies incorrectly. Flush"
+        " before glDeleteTextures in this case",
+        &members, "http://anglebug.com/4267"};
+
+    FeatureInfo rewriteRowMajorMatrices = {
+        "rewriteRowMajorMatrices", FeatureCategory::OpenGLWorkarounds,
+        "Rewrite row major matrices in shaders as column major as a driver bug workaround",
+        &members, "http://anglebug.com/2273"};
+
+    FeatureInfo disableDrawBuffersIndexed = {
+        "disableDrawBuffersIndexed",
+        FeatureCategory::OpenGLWorkarounds,
+        "Disable OES_draw_buffers_indexed extension.",
+        &members,
+    };
+
+    FeatureInfo disableSemaphoreFd = {"disableSemaphoreFd", FeatureCategory::OpenGLWorkarounds,
+                                      "Disable GL_EXT_semaphore_fd extension", &members,
+                                      "https://crbug.com/1046462"};
+
+    FeatureInfo disableTimestampQueries = {
+        "disableTimestampQueries", FeatureCategory::OpenGLWorkarounds,
+        "Disable GL_EXT_disjoint_timer_query extension", &members, "https://crbug.com/811661"};
+
+    FeatureInfo decodeEncodeSRGBForGenerateMipmap = {
+        "decodeEncodeSRGBForGenerateMipmap", FeatureCategory::OpenGLWorkarounds,
+        "Decode and encode before generateMipmap for srgb format textures.", &members,
+        "http://anglebug.com/4646"};
+
+    FeatureInfo emulateCopyTexImage2D = {
+        "emulateCopyTexImage2D",
+        FeatureCategory::OpenGLWorkarounds,
+        "Replace CopyTexImage2D with TexImage2D + CopyTexSubImage2D.",
+        &members,
+    };
+
+    FeatureInfo emulateCopyTexImage2DFromRenderbuffers = {
+        "emulateCopyTexImage2DFromRenderbuffers", FeatureCategory::OpenGLWorkarounds,
+        "CopyTexImage2D spuriously returns errors on iOS when copying from renderbuffers.",
+        &members, "https://anglebug.com/4674"};
+
+    FeatureInfo disableGPUSwitchingSupport = {
+        "disableGPUSwitchingSupport", FeatureCategory::OpenGLWorkarounds,
+        "Disable GPU switching support (use only the low-power GPU) on older MacBook Pros.",
+        &members, "https://crbug.com/1091824"};
+
+    FeatureInfo disableNativeParallelCompile = {
+        "disableNativeParallelCompile", FeatureCategory::OpenGLWorkarounds,
+        "Do not use native KHR_parallel_shader_compile even when available.", &members,
+        "http://crbug.com/1094869"};
+
+    FeatureInfo emulatePackSkipRowsAndPackSkipPixels = {
+        "emulatePackSkipRowsAndPackSkipPixels", FeatureCategory::OpenGLWorkarounds,
+        "GL_PACK_SKIP_ROWS and GL_PACK_SKIP_PIXELS are ignored in Apple's OpenGL driver.", &members,
+        "https://anglebug.com/4849"};
+
+    FeatureInfo clampMscRate = {
+        "clampMscRate", FeatureCategory::OpenGLWorkarounds,
+        "Some drivers return bogus values for GetMscRate, so we clamp it to 30Hz", &members,
+        "https://crbug.com/1042393"};
+
+    FeatureInfo bindTransformFeedbackBufferBeforeBindBufferRange = {
+        "bindTransformFeedbackBufferBeforeBindBufferRange", FeatureCategory::OpenGLWorkarounds,
+        "Bind transform feedback buffers to the generic binding point before calling "
+        "glBindBufferBase or glBindBufferRange.",
+        &members, "https://anglebug.com/5140"};
+
+    FeatureInfo disableSyncControlSupport = {
+        "disableSyncControlSupport", FeatureCategory::OpenGLWorkarounds,
+        "Speculative fix for issues on Linux/Wayland where exposing GLX_OML_sync_control renders "
+        "Chrome unusable",
+        &members, "https://crbug.com/1137851"};
+
+    FeatureInfo keepBufferShadowCopy = {
+        "keepBufferShadowCopy",
+        FeatureCategory::OpenGLWorkarounds,
+        "Maintain a shadow copy of buffer data when the GL API does not permit reading data back.",
+        &members,
+    };
+
+    FeatureInfo setZeroLevelBeforeGenerateMipmap = {
+        "setZeroLevelBeforeGenerateMipmap",
+        FeatureCategory::OpenGLWorkarounds,
+        "glGenerateMipmap fails if the zero texture level is not set on some Mac drivers.",
+        &members,
+    };
+
+    FeatureInfo promotePackedFormatsTo8BitPerChannel = {
+        "promotePackedFormatsTo8BitPerChannel", FeatureCategory::OpenGLWorkarounds,
+        "Packed color formats are buggy on Macs with AMD GPUs", &members,
+        "http://anglebug.com/5469"};
+
+    FeatureInfo initFragmentOutputVariables = {
+        "initFragmentOutputVariables", FeatureCategory::OpenGLWorkarounds,
+        "No init gl_FragColor causes context lost", &members, "http://crbug.com/1171371"};
+
+    FeatureInfo shiftInstancedArrayDataWithOffset = {
+        "shiftInstancedArrayDataWithOffset", FeatureCategory::OpenGLWorkarounds,
+        "glDrawArraysInstanced is buggy on certain new Mac Intel GPUs", &members,
+        "http://crbug.com/1144207"};
+
+    FeatureInfo syncVertexArraysToDefault = {
+        "syncVertexArraysToDefault", FeatureCategory::OpenGLWorkarounds,
+        "Only use the default VAO because of missing support or driver bugs", &members,
+        "http://anglebug.com/5577"};
+
+    FeatureInfo sanitizeAMDGPURendererString = {
+        "sanitizeAMDGPURendererString", FeatureCategory::OpenGLWorkarounds,
+        "Strip precise kernel and DRM version information from amdgpu renderer strings.", &members,
+        "http://crbug.com/1181193"};
+
+    FeatureInfo unbindFBOBeforeSwitchingContext = {
+        "unbindFBOBeforeSwitchingContext", FeatureCategory::OpenGLWorkarounds,
+        "Imagination GL drivers are buggy with context switching.", &members,
+        "http://crbug.com/1181193"};
+
+    FeatureInfo flushOnFramebufferChange = {"flushOnFramebufferChange",
+                                            FeatureCategory::OpenGLWorkarounds,
+                                            "Switching framebuffers without a flush can lead to "
+                                            "crashes on Intel 9th Generation GPU Macs.",
+                                            &members, "http://crbug.com/1181068"};
+
+    FeatureInfo disableMultisampledRenderToTexture = {
+        "disableMultisampledRenderToTexture", FeatureCategory::OpenGLWorkarounds,
+        "Many drivers have bugs when using GL_EXT_multisampled_render_to_texture", &members,
+        "http://anglebug.com/2894"};
+
+    FeatureInfo uploadTextureDataInChunks = {
+        "uploadTextureDataInChunks", FeatureCategory::OpenGLWorkarounds,
+        "Upload texture data in <120kb chunks to work around Mac driver hangs and crashes.",
+        &members, "http://crbug.com/1181068"};
+
+    FeatureInfo emulateImmutableCompressedTexture3D = {
+        "emulateImmutableCompressedTexture3D", FeatureCategory::OpenGLWorkarounds,
+        "Use non-immutable texture allocation to work around a driver bug.", &members,
+        "https://crbug.com/1060012"};
+
+    FeatureInfo emulateRGB10 = {"emulateRGB10", FeatureCategory::OpenGLWorkarounds,
+                                "Emulate RGB10 support using RGB10_A2.", &members,
+                                "https://crbug.com/1300575"};
+
+    FeatureInfo alwaysUnbindFramebufferTexture2D = {
+        "alwaysUnbindFramebufferTexture2D", FeatureCategory::OpenGLWorkarounds,
+        "Force unbind framebufferTexture2D before binding renderbuffer to work around driver bug.",
+        &members, "https://anglebug.com/5536"};
+
+    FeatureInfo disableTextureClampToBorder = {
+        "disableTextureClampToBorder", FeatureCategory::OpenGLWorkarounds,
+        "Imagination devices generate INVALID_ENUM when setting the texture border color.",
+        &members, "https://anglebug.com/7405"};
+
+    FeatureInfo passHighpToPackUnormSnormBuiltins = {
+        "passHighpToPackUnormSnormBuiltins", FeatureCategory::OpenGLWorkarounds,
+        "packUnorm4x8 fails on Pixel 4 if it is not passed a highp vec4.", &members,
+        "http://anglebug.com/7527"};
+
+    FeatureInfo supportsFragmentShaderInterlockNV = {
+        "supportsFragmentShaderInterlockNV", FeatureCategory::OpenGLFeatures,
+        "Backend GL context supports NV_fragment_shader_interlock extension", &members,
+        "http://anglebug.com/7279"};
+
+    FeatureInfo supportsFragmentShaderOrderingINTEL = {
+        "supportsFragmentShaderOrderingINTEL", FeatureCategory::OpenGLFeatures,
+        "Backend GL context supports GL_INTEL_fragment_shader_ordering extension", &members,
+        "http://anglebug.com/7279"};
+
+    FeatureInfo supportsFragmentShaderInterlockARB = {
+        "supportsFragmentShaderInterlockARB", FeatureCategory::OpenGLFeatures,
+        "Backend GL context supports ARB_fragment_shader_interlock extension", &members,
+        "http://anglebug.com/7279"};
+
+    FeatureInfo supportsShaderFramebufferFetchEXT = {
+        "supportsShaderFramebufferFetchEXT", FeatureCategory::OpenGLFeatures,
+        "Backend GL context supports EXT_shader_framebuffer_fetch extension", &members,
+        "http://anglebug.com/7279"};
+
+    FeatureInfo supportsShaderFramebufferFetchNonCoherentEXT = {
+        "supportsShaderFramebufferFetchNonCoherentEXT", FeatureCategory::OpenGLFeatures,
+        "Backend GL context supports EXT_shader_framebuffer_fetch_non_coherent extension", &members,
+        "http://anglebug.com/7279"};
+};
+
+inline FeaturesGL::FeaturesGL()  = default;
+inline FeaturesGL::~FeaturesGL() = default;
+
+}  // namespace angle
+
+#endif  // ANGLE_PLATFORM_FEATURESGL_H_