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+//
+// Copyright 2016 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.
+//
+
+// FrontendFeatures.h: Features/workarounds for driver bugs and other behaviors seen
+// on all platforms.
+
+#ifndef ANGLE_PLATFORM_FRONTENDFEATURES_H_
+#define ANGLE_PLATFORM_FRONTENDFEATURES_H_
+
+#include "platform/Feature.h"
+
+namespace angle
+{
+
+struct FrontendFeatures : angle::FeatureSetBase
+{
+ FrontendFeatures();
+ ~FrontendFeatures();
+
+ // Force the context to be lost (via KHR_robustness) if a GL_OUT_OF_MEMORY error occurs. The
+ // driver may be in an inconsistent state if this happens, and some users of ANGLE rely on this
+ // notification to prevent further execution.
+ angle::Feature loseContextOnOutOfMemory = {
+ "lose_context_on_out_of_memory", angle::FeatureCategory::FrontendWorkarounds,
+ "Some users rely on a lost context notification if a GL_OUT_OF_MEMORY "
+ "error occurs",
+ &members};
+
+ // Program binaries don't contain transform feedback varyings on Qualcomm GPUs.
+ // Work around this by disabling the program cache for programs with transform feedback.
+ angle::Feature disableProgramCachingForTransformFeedback = {
+ "disable_program_caching_for_transform_feedback",
+ angle::FeatureCategory::FrontendWorkarounds,
+ "On some GPUs, program binaries don't contain transform feedback varyings", &members};
+
+ // On Windows Intel OpenGL drivers TexImage sometimes seems to interact with the Framebuffer.
+ // Flaky crashes can occur unless we sync the Framebuffer bindings. The workaround is to add
+ // Framebuffer binding dirty bits to TexImage updates. See http://anglebug.com/2906
+ angle::Feature syncFramebufferBindingsOnTexImage = {
+ "sync_framebuffer_bindings_on_tex_image", angle::FeatureCategory::FrontendWorkarounds,
+ "On some drivers TexImage sometimes seems to interact "
+ "with the Framebuffer",
+ &members};
+
+ angle::Feature scalarizeVecAndMatConstructorArgs = {
+ "scalarize_vec_and_mat_constructor_args", angle::FeatureCategory::FrontendWorkarounds,
+ "Always rewrite vec/mat constructors to be consistent", &members,
+ "http://crbug.com/1165751"};
+
+ // Disable support for GL_OES_get_program_binary
+ angle::Feature disableProgramBinary = {
+ "disable_program_binary", angle::FeatureCategory::FrontendFeatures,
+ "Disable support for GL_OES_get_program_binary", &members, "http://anglebug.com/5007"};
+
+ // Allow disabling of GL_EXT_texture_filter_anisotropic through a runtime feature for
+ // performance comparisons.
+ angle::Feature disableAnisotropicFiltering = {
+ "disable_anisotropic_filtering", angle::FeatureCategory::FrontendWorkarounds,
+ "Disable support for anisotropic filtering", &members};
+
+ // We can use this feature to override compressed format support for portability.
+ angle::Feature allowCompressedFormats = {"allow_compressed_formats",
+ angle::FeatureCategory::FrontendWorkarounds,
+ "Allow compressed formats", &members};
+
+ angle::Feature captureLimits = {"enable_capture_limits",
+ angle::FeatureCategory::FrontendFeatures,
+ "Set the context limits like frame capturing was enabled",
+ &members, "http://anglebug.com/5750"};
+
+ // Whether we should compress pipeline cache in thread pool before it's stored in blob cache.
+ // http://anglebug.com/4722
+ angle::Feature enableCompressingPipelineCacheInThreadPool = {
+ "enableCompressingPipelineCacheInThreadPool", angle::FeatureCategory::FrontendWorkarounds,
+ "Enable compressing pipeline cache in thread pool.", &members, "http://anglebug.com/4722"};
+};
+
+inline FrontendFeatures::FrontendFeatures() = default;
+inline FrontendFeatures::~FrontendFeatures() = default;
+
+} // namespace angle
+
+#endif // ANGLE_PLATFORM_FRONTENDFEATURES_H_