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//
// Copyright (c) 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 Qualcomm 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 Windows Intel OpenGL 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/398694"};
};
inline FrontendFeatures::FrontendFeatures() = default;
inline FrontendFeatures::~FrontendFeatures() = default;
} // namespace angle
#endif // ANGLE_PLATFORM_FRONTENDFEATURES_H_
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