| // 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.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(); |
| |
| Feature avoid1BitAlphaTextureFormats = { |
| "avoid_1_bit_alpha_texture_formats", |
| FeatureCategory::OpenGLWorkarounds, |
| "Issue with 1-bit alpha framebuffer formats", |
| &members, |
| }; |
| |
| Feature rgba4IsNotSupportedForColorRendering = { |
| "rgba4_is_not_supported_for_color_rendering", |
| FeatureCategory::OpenGLWorkarounds, |
| "GL_RGBA4 is not color renderable", |
| &members, |
| }; |
| |
| Feature allowEtcFormats = { |
| "allow_etc_formats", |
| FeatureCategory::OpenGLWorkarounds, |
| "Enable ETC2/EAC on desktop OpenGL", |
| &members, |
| }; |
| |
| Feature doesSRGBClearsOnLinearFramebufferAttachments = { |
| "does_srgb_clears_on_linear_framebuffer_attachments", |
| FeatureCategory::OpenGLWorkarounds, |
| "Issue clearing framebuffers with linear attachments when GL_FRAMEBUFFER_SRGB is enabled", |
| &members, |
| }; |
| |
| Feature doWhileGLSLCausesGPUHang = { |
| "do_while_glsl_causes_gpu_hang", FeatureCategory::OpenGLWorkarounds, |
| "Some GLSL constructs involving do-while loops cause GPU hangs", &members, |
| "http://crbug.com/644669"}; |
| |
| Feature addBaseVertexToVertexID = { |
| "vertex_id_does_not_include_base_vertex", |
| FeatureCategory::OpenGLWorkarounds, |
| "gl_VertexID in GLSL vertex shader doesn't include base vertex value", |
| &members, |
| }; |
| |
| Feature finishDoesNotCauseQueriesToBeAvailable = { |
| "finish_does_not_cause_queries_to_be_available", |
| FeatureCategory::OpenGLWorkarounds, |
| "glFinish doesn't cause all queries to report available result", |
| &members, |
| }; |
| |
| Feature alwaysCallUseProgramAfterLink = { |
| "always_call_use_program_after_link", FeatureCategory::OpenGLWorkarounds, |
| "Always call useProgram after a successful link to avoid a driver bug", &members, |
| "http://crbug.com/110263"}; |
| |
| Feature unpackOverlappingRowsSeparatelyUnpackBuffer = { |
| "unpack_overlapping_rows_separately_unpack_buffer", |
| FeatureCategory::OpenGLWorkarounds, |
| "In the case of unpacking from a pixel unpack buffer, unpack overlapping rows row by row", |
| &members, |
| }; |
| |
| Feature packOverlappingRowsSeparatelyPackBuffer = { |
| "pack_overlapping_rows_separately_pack_buffer", |
| FeatureCategory::OpenGLWorkarounds, |
| "In the case of packing to a pixel pack buffer, pack overlapping rows row by row", |
| &members, |
| }; |
| |
| Feature initializeCurrentVertexAttributes = { |
| "initialize_current_vertex_attributes", |
| FeatureCategory::OpenGLWorkarounds, |
| "During initialization, assign the current vertex attributes to the spec-mandated defaults", |
| &members, |
| }; |
| |
| Feature emulateAbsIntFunction = {"emulate_abs_int_function", FeatureCategory::OpenGLWorkarounds, |
| "abs(i) where i is an integer returns unexpected result", |
| &members, "http://crbug.com/642227"}; |
| |
| Feature addAndTrueToLoopCondition = { |
| "add_and_true_to_loop_condition", |
| FeatureCategory::OpenGLWorkarounds, |
| "Calculation of loop conditions in for and while loop has bug", |
| &members, |
| }; |
| |
| Feature unpackLastRowSeparatelyForPaddingInclusion = { |
| "unpack_last_row_separately_for_padding_inclusion", FeatureCategory::OpenGLWorkarounds, |
| "When uploading textures from an unpack buffer, some drivers count an extra row padding", |
| &members, "http://anglebug.com/1512"}; |
| |
| Feature packLastRowSeparatelyForPaddingInclusion = { |
| "pack_last_row_separately_for_padding_inclusion", FeatureCategory::OpenGLWorkarounds, |
| "When uploading textures from an pack buffer, some drivers count an extra row padding", |
| &members, "http://anglebug.com/1512"}; |
| |
| Feature emulateIsnanFloat = {"emulate_isnan_float", FeatureCategory::OpenGLWorkarounds, |
| "Using isnan() on highp float will get wrong answer", &members, |
| "http://crbug.com/650547"}; |
| |
| Feature useUnusedBlocksWithStandardOrSharedLayout = { |
| "use_unused_blocks_with_standard_or_shared_layout", |
| FeatureCategory::OpenGLWorkarounds, |
| "Unused std140 or shared uniform blocks will be treated as inactive", |
| &members, |
| }; |
| |
| Feature removeInvariantAndCentroidForESSL3 = { |
| "remove_invarient_and_centroid_for_essl3", |
| FeatureCategory::OpenGLWorkarounds, |
| "Fix spec difference between GLSL 4.1 or lower and ESSL3", |
| &members, |
| }; |
| |
| Feature rewriteFloatUnaryMinusOperator = { |
| "rewrite_float_unary_minus_operator", FeatureCategory::OpenGLWorkarounds, |
| "Using '-<float>' will get wrong answer", &members, "http://crbug.com/308366"}; |
| |
| Feature emulateAtan2Float = {"emulate_atan_2_float", FeatureCategory::OpenGLWorkarounds, |
| "atan(y, x) may return a wrong answer", &members, |
| "http://crbug.com/672380"}; |
| |
| Feature reapplyUBOBindingsAfterUsingBinaryProgram = { |
| "reapply_ubo_bindings_after_using_binary_program", FeatureCategory::OpenGLWorkarounds, |
| "Some drivers forget about UBO bindings when using program binaries", &members, |
| "http://anglebug.com/1637"}; |
| |
| Feature emulateMaxVertexAttribStride = { |
| "emulate_max_vertex_attrib_stride", FeatureCategory::OpenGLWorkarounds, |
| "Some drivers return 0 when MAX_VERTEX_ATTRIB_STRIED queried", &members, |
| "http://anglebug.com/1936"}; |
| |
| Feature dontInitializeUninitializedLocals = { |
| "dont_initialize_uninitialized_locals", FeatureCategory::OpenGLWorkarounds, |
| "Initializing uninitialized locals caused odd behavior in a few WebGL 2 tests", &members, |
| "http://anglebug.com/2046"}; |
| |
| Feature clampPointSize = { |
| "clamp_point_size", |
| FeatureCategory::OpenGLWorkarounds, |
| "The point size range reported from the API is inconsistent with the actual behavior", |
| &members, |
| }; |
| |
| Feature dontUseLoopsToInitializeVariables = { |
| "dont_use_loops_to_initialize_variables", FeatureCategory::OpenGLWorkarounds, |
| "For loops used to initialize variables hit native GLSL compiler bugs", &members, |
| "http://crbug.com/809422"}; |
| |
| Feature clampFragDepth = { |
| "clamp_frag_depth", |
| FeatureCategory::OpenGLWorkarounds, |
| "gl_FragDepth is not clamped correctly when rendering to a floating point depth buffer", |
| &members, |
| }; |
| |
| Feature rewriteRepeatedAssignToSwizzled = { |
| "rewrite_repeated_assign_to_swizzled", |
| FeatureCategory::OpenGLWorkarounds, |
| "Repeated assignment to swizzled values inside a " |
| "GLSL user-defined function have incorrect results", |
| &members, |
| }; |
| |
| Feature disableBlendFuncExtended = { |
| "disable_blend_func_extended", FeatureCategory::OpenGLWorkarounds, |
| "ARB_blend_func_extended does not pass the tests", &members, "http://anglebug.com/1085"}; |
| |
| Feature unsizedsRGBReadPixelsDoesntTransform = { |
| "unsized_srgb_read_pixels_doesnt_transform", 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"}; |
| |
| Feature queryCounterBitsGeneratesErrors = { |
| "query_counter_bits_generates_errors", FeatureCategory::OpenGLWorkarounds, |
| "Drivers generate errors when querying the number of bits in timer queries", &members, |
| "http://anglebug.com/3027"}; |
| |
| Feature dontRelinkProgramsInParallel = { |
| "dont_relink_programs_in_parallel", FeatureCategory::OpenGLWorkarounds, |
| "Relinking a program in parallel is buggy", &members, "http://anglebug.com/3045"}; |
| |
| Feature disableWorkerContexts = {"disable_worker_contexts", FeatureCategory::OpenGLWorkarounds, |
| "Some tests have been seen to fail using worker contexts", |
| &members, "http://crbug.com/849576"}; |
| |
| Feature limitMaxTextureSizeTo4096 = {"max_texture_size_limit_4096", |
| FeatureCategory::OpenGLWorkarounds, |
| "Limit max texture size to 4096 to avoid frequent " |
| "out-of-memory errors", |
| &members, "http://crbug.com/927470"}; |
| |
| Feature limitMaxMSAASamplesTo4 = { |
| "max_msaa_sample_count_4", FeatureCategory::OpenGLWorkarounds, |
| "Various rendering bugs have been observed when using higher MSAA counts", &members, |
| "http://crbug.com/797243"}; |
| |
| Feature allowClearForRobustResourceInit = { |
| "allow_clear_for_robust_resource_init", 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"}; |
| |
| Feature clampArrayAccess = {"clamp_array_access", FeatureCategory::OpenGLWorkarounds, |
| "Clamp uniform array access to avoid reading invalid memory.", |
| &members, "http://anglebug.com/2978"}; |
| |
| Feature resetTexImage2DBaseLevel = {"reset_teximage2d_base_level", |
| FeatureCategory::OpenGLWorkarounds, |
| "Reset texture base level before calling glTexImage2D to " |
| "work around pixel comparison failure.", |
| &members, "https://crbug.com/705865"}; |
| |
| Feature clearToZeroOrOneBroken = { |
| "clear_to_zero_or_one_broken", FeatureCategory::OpenGLWorkarounds, |
| "Clears when the clear color is all zeros or ones do not work.", &members, |
| "https://crbug.com/710443"}; |
| |
| Feature limitMax3dArrayTextureSizeTo1024 = { |
| "max_3d_array_texture_size_1024", FeatureCategory::OpenGLWorkarounds, |
| "Limit max 3d texture size and max array texture layers to 1024 to avoid system hang", |
| &members, "http://crbug.com/927470"}; |
| |
| Feature adjustSrcDstRegionBlitFramebuffer = { |
| "adjust_src_dst_region_for_blitframebuffer", FeatureCategory::OpenGLWorkarounds, |
| "Many platforms have issues with blitFramebuffer when the parameters are large.", &members, |
| "http://crbug.com/830046"}; |
| |
| Feature clipSrcRegionBlitFramebuffer = { |
| "clip_src_region_for_blitframebuffer", FeatureCategory::OpenGLWorkarounds, |
| "Issues with blitFramebuffer when the parameters don't match the framebuffer size.", |
| &members, "http://crbug.com/830046"}; |
| |
| Feature rgbDXT1TexturesSampleZeroAlpha = { |
| "rgb_dxt1_textures_sample_zero_alpha", FeatureCategory::OpenGLWorkarounds, |
| "Sampling BLACK texels from RGB DXT1 textures returns transparent black on Mac.", &members, |
| "http://anglebug.com/3729"}; |
| |
| Feature unfoldShortCircuits = { |
| "unfold_short_circuits", FeatureCategory::OpenGLWorkarounds, |
| "Mac incorrectly executes both sides of && and || expressions when they should " |
| "short-circuit.", |
| &members, "http://anglebug.com/482"}; |
| |
| Feature emulatePrimitiveRestartFixedIndex = { |
| "emulate_primitive_restart_fixed_index", FeatureCategory::OpenGLWorkarounds, |
| "When GL_PRIMITIVE_RESTART_FIXED_INDEX is not available, emulate it with " |
| "GL_PRIMITIVE_RESTART and glPrimitiveRestartIndex.", |
| &members, "http://anglebug.com/3997"}; |
| |
| Feature setPrimitiveRestartFixedIndexForDrawArrays = { |
| "set_primitive_restart_fixed_index_for_draw_arrays", 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"}; |
| |
| Feature removeDynamicIndexingOfSwizzledVector = { |
| "remove_dynamic_indexing_of_swizzled_vector", FeatureCategory::OpenGLWorkarounds, |
| "Dynamic indexing of swizzled l-values doesn't work correctly on various platforms.", |
| &members, "http://crbug.com/709351"}; |
| |
| Feature preAddTexelFetchOffsets = { |
| "pre_add_texel_fetch_offsets", 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"}; |
| |
| Feature regenerateStructNames = { |
| "regenerate_struct_names", 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"}; |
| |
| Feature readPixelsUsingImplementationColorReadFormatForNorm16 = { |
| "read_pixels_using_implementation_color_read_format", 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"}; |
| |
| Feature flushBeforeDeleteTextureIfCopiedTo = { |
| "flush_before_delete_texture_if_copied_to", FeatureCategory::OpenGLWorkarounds, |
| "Some drivers track CopyTex{Sub}Image texture dependencies incorrectly. Flush" |
| " before glDeleteTextures in this case", |
| &members, "http://anglebug.com/4267"}; |
| |
| Feature rewriteRowMajorMatrices = { |
| "rewrite_row_major_matrices", FeatureCategory::OpenGLWorkarounds, |
| "Rewrite row major matrices in shaders as column major as a driver bug workaround", |
| &members, "http://anglebug.com/2273"}; |
| |
| Feature disableDrawBuffersIndexed = { |
| "disable_draw_buffers_indexed", |
| FeatureCategory::OpenGLWorkarounds, |
| "Disable OES_draw_buffers_indexed extension.", |
| &members, |
| }; |
| |
| Feature disableSemaphoreFd = {"disable_semaphore_fd", FeatureCategory::OpenGLWorkarounds, |
| "Disable GL_EXT_semaphore_fd extension", &members, |
| "https://crbug.com/1046462"}; |
| |
| Feature disableTimestampQueries = { |
| "disable_timestamp_queries", FeatureCategory::OpenGLWorkarounds, |
| "Disable GL_EXT_disjoint_timer_query extension", &members, "https://crbug.com/811661"}; |
| |
| Feature encodeAndDecodeSRGBForGenerateMipmap = { |
| "decode_encode_srgb_for_generatemipmap", FeatureCategory::OpenGLWorkarounds, |
| "Decode and encode before generateMipmap for srgb format textures.", &members, |
| "http://anglebug.com/4646"}; |
| |
| Feature emulateCopyTexImage2DFromRenderbuffers = { |
| "emulate_copyteximage2d_from_renderbuffers", FeatureCategory::OpenGLWorkarounds, |
| "CopyTexImage2D spuriously returns errors on iOS when copying from renderbuffers.", |
| &members, "https://anglebug.com/4674"}; |
| |
| Feature disableGPUSwitchingSupport = { |
| "disable_gpu_switching_support", FeatureCategory::OpenGLWorkarounds, |
| "Disable GPU switching support (use only the low-power GPU) on older MacBook Pros.", |
| &members, "https://crbug.com/1091824"}; |
| |
| Feature disableNativeParallelCompile = { |
| "disable_native_parallel_compile", FeatureCategory::OpenGLWorkarounds, |
| "Do not use native KHR_parallel_shader_compile even when available.", &members, |
| "http://crbug.com/1094869"}; |
| |
| Feature emulatePackSkipRowsAndPackSkipPixels = { |
| "emulate_pack_skip_rows_and_pack_skip_pixels", FeatureCategory::OpenGLWorkarounds, |
| "GL_PACK_SKIP_ROWS and GL_PACK_SKIP_PIXELS are ignored in Apple's OpenGL driver.", &members, |
| "https://anglebug.com/4849"}; |
| |
| Feature clampMscRate = { |
| "clamp_msc_rate", FeatureCategory::OpenGLWorkarounds, |
| "Some drivers return bogus values for GetMscRate, so we clamp it to 30Hz", &members, |
| "https://crbug.com/1042393"}; |
| |
| Feature bindTransformFeedbackBufferBeforeBindBufferRange = { |
| "bind_transform_feedback_buffer_before_bind_buffer_range", |
| FeatureCategory::OpenGLWorkarounds, |
| "Bind transform feedback buffers to the generic binding point before calling " |
| "glBindBufferBase or glBindBufferRange.", |
| &members, "https://anglebug.com/5140"}; |
| |
| Feature disableSyncControlSupport = { |
| "disable_sync_control_support", FeatureCategory::OpenGLWorkarounds, |
| "Speculative fix for issues on Linux/Wayland where exposing GLX_OML_sync_control renders " |
| "Chrome unusable", |
| &members, "https://crbug.com/1137851"}; |
| |
| Feature keepBufferShadowCopy = { |
| "keep_buffer_shadow_copy", |
| FeatureCategory::OpenGLWorkarounds, |
| "Maintain a shadow copy of buffer data when the GL API does not permit reading data back.", |
| &members, |
| }; |
| |
| Feature setZeroLevelBeforeGenerateMipmap = { |
| "set_zero_level_before_generating_mipmap", |
| FeatureCategory::OpenGLWorkarounds, |
| "glGenerateMipmap fails if the zero texture level is not set on some Mac drivers.", |
| &members, |
| }; |
| |
| Feature promotePackedFormatsTo8BitPerChannel = { |
| "promote_packed_formats_to_8_bit_per_channel", FeatureCategory::OpenGLWorkarounds, |
| "Packed color formats are buggy on Macs with AMD GPUs", &members, |
| "http://anglebug.com/5469"}; |
| |
| Feature initFragmentOutputVariables = { |
| "init_fragment_output_variables", FeatureCategory::OpenGLWorkarounds, |
| "No init gl_FragColor causes context lost", &members, "http://crbug.com/1171371"}; |
| |
| Feature shiftInstancedArrayDataWithExtraOffset = { |
| "shift_instanced_array_data_with_offset", FeatureCategory::OpenGLWorkarounds, |
| "glDrawArraysInstanced is buggy on certain new Mac Intel GPUs", &members, |
| "http://crbug.com/1144207"}; |
| |
| Feature syncVertexArraysToDefault = { |
| "sync_vertex_arrays_to_default", FeatureCategory::OpenGLWorkarounds, |
| "Only use the default VAO because of missing support or driver bugs", &members, |
| "http://anglebug.com/5577"}; |
| |
| Feature sanitizeAmdGpuRendererString = { |
| "sanitize_amdgpu_renderer_string", FeatureCategory::OpenGLWorkarounds, |
| "Strip precise kernel and DRM version information from amdgpu renderer strings.", &members, |
| "http://crbug.com/1181193"}; |
| |
| Feature unbindFBOOnContextSwitch = {"unbind_fbo_before_switching_context", |
| FeatureCategory::OpenGLWorkarounds, |
| "Imagination GL drivers are buggy with context switching.", |
| &members, "http://crbug.com/1181193"}; |
| |
| Feature flushOnFramebufferChange = {"flush_on_framebuffer_change", |
| FeatureCategory::OpenGLWorkarounds, |
| "Switching framebuffers without a flush can lead to " |
| "crashes on Intel 9th Generation GPU Macs.", |
| &members, "http://crbug.com/1181068"}; |
| |
| Feature disableMultisampledRenderToTexture = { |
| "disable_mutlisampled_render_to_texture", FeatureCategory::OpenGLWorkarounds, |
| "Many drivers have bugs when using GL_EXT_multisampled_render_to_texture", &members, |
| "http://anglebug.com/2894"}; |
| |
| Feature uploadTextureDataInChunks = { |
| "chunked_texture_upload", FeatureCategory::OpenGLWorkarounds, |
| "Upload texture data in <120kb chunks to work around Mac driver hangs and crashes.", |
| &members, "http://crbug.com/1181068"}; |
| |
| Feature emulateImmutableCompressedTexture3D = { |
| "emulate_immutable_compressed_texture_3d", FeatureCategory::OpenGLWorkarounds, |
| "Use non-immutable texture allocation to work around a driver bug.", &members, |
| "https://crbug.com/1060012"}; |
| |
| Feature emulateRGB10 = {"emulate_rgb10", FeatureCategory::OpenGLWorkarounds, |
| "Emulate RGB10 support using RGB10_A2.", &members, |
| "https://crbug.com/1300575"}; |
| |
| Feature alwaysUnbindFramebufferTexture2D = { |
| "always_unbind_framebuffer_texture_2d", FeatureCategory::OpenGLWorkarounds, |
| "Force unbind framebufferTexture2D before binding renderbuffer to work around driver bug.", |
| &members, "https://anglebug.com/5536"}; |
| }; |
| |
| inline FeaturesGL::FeaturesGL() = default; |
| inline FeaturesGL::~FeaturesGL() = default; |
| |
| } // namespace angle |
| |
| #endif // ANGLE_PLATFORM_FEATURESGL_H_ |
