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Feature.h


products/Sources/formale Sprachen/C/Firefox/gfx/angle/checkout/include/platform/Feature.h

// // Copyright 2019 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. // // Feature.h: Definition of structs to hold feature/workaround information. // #ifndef ANGLE_PLATFORM_FEATURE_H_ #define ANGLE_PLATFORM_FEATURE_H_ #include #include #include #define ANGLE_FEATURE_CONDITION(set, feature, cond) \ do \ { \ (set)->feature.enabled = cond; \ (set)->feature.condition = ANGLE_STRINGIFY(cond); \ } while (0) namespace angle { enum class FeatureCategory { FrontendFeatures, FrontendWorkarounds, OpenGLWorkarounds, OpenGLFeatures, D3DWorkarounds, VulkanFeatures, VulkanWorkarounds, VulkanAppWorkarounds, MetalFeatures, MetalWorkarounds, }; constexpr char kFeatureCategoryFrontendWorkarounds[] = "Frontend workarounds"; constexpr char kFeatureCategoryFrontendFeatures[] = "Frontend features"; constexpr char kFeatureCategoryOpenGLWorkarounds[] = "OpenGL workarounds"; constexpr char kFeatureCategoryOpenGLFeatures[] = "OpenGL features"; constexpr char kFeatureCategoryD3DWorkarounds[] = "D3D workarounds"; constexpr char kFeatureCategoryVulkanAppWorkarounds[] = "Vulkan app workarounds"; constexpr char kFeatureCategoryVulkanWorkarounds[] = "Vulkan workarounds"; constexpr char kFeatureCategoryVulkanFeatures[] = "Vulkan features"; constexpr char kFeatureCategoryMetalFeatures[] = "Metal features"; constexpr char kFeatureCategoryMetalWorkarounds[] = "Metal workarounds"; constexpr char kFeatureCategoryUnknown[] = "Unknown"; inline const char *FeatureCategoryToString(const FeatureCategory &fc) { switch (fc) { case FeatureCategory::FrontendFeatures: return kFeatureCategoryFrontendFeatures; break; case FeatureCategory::FrontendWorkarounds: return kFeatureCategoryFrontendWorkarounds; break; case FeatureCategory::OpenGLWorkarounds: return kFeatureCategoryOpenGLWorkarounds; break; case FeatureCategory::OpenGLFeatures: return kFeatureCategoryOpenGLFeatures; break; case FeatureCategory::D3DWorkarounds: return kFeatureCategoryD3DWorkarounds; break; case FeatureCategory::VulkanFeatures: return kFeatureCategoryVulkanFeatures; break; case FeatureCategory::VulkanWorkarounds: return kFeatureCategoryVulkanWorkarounds; break; case FeatureCategory::VulkanAppWorkarounds: return kFeatureCategoryVulkanAppWorkarounds; break; case FeatureCategory::MetalFeatures: return kFeatureCategoryMetalFeatures; break; case FeatureCategory::MetalWorkarounds: return kFeatureCategoryMetalWorkarounds; break; default: return kFeatureCategoryUnknown; break; } } constexpr char kFeatureStatusEnabled[] = "enabled"; constexpr char kFeatureStatusDisabled[] = "disabled"; inline const char *FeatureStatusToString(const bool &status) { if (status) { return kFeatureStatusEnabled; } return kFeatureStatusDisabled; } struct FeatureInfo; using FeatureMap = std::map; using FeatureList = std::vector; struct FeatureInfo { FeatureInfo(const FeatureInfo &other); FeatureInfo(const char *name, const FeatureCategory &category, const char *description, FeatureMap *const mapPtr, const char *bug); ~FeatureInfo(); // The name of the workaround, lowercase, camel_case const char *const name; // The category that the workaround belongs to. Eg. "Vulkan workarounds" const FeatureCategory category; // A short description to be read by the user. const char *const description; // A link to the bug, if any const char *const bug; // Whether the workaround is enabled or not. Determined by heuristics like vendor ID and // version, but may be overriden to any value. bool enabled = false; // A stringified version of the condition used to set 'enabled'. ie "IsNvidia() && IsApple()" const char *condition; }; inline FeatureInfo::FeatureInfo(const FeatureInfo &other) = default; inline FeatureInfo::FeatureInfo(const char *name, const FeatureCategory &category, const char *description, FeatureMap *const mapPtr, const char *bug = "") : name(name), category(category), description(description), bug(bug), enabled(false), condition("") { if (mapPtr != nullptr) { (*mapPtr)[std::string(name)] = this; } } inline FeatureInfo::~FeatureInfo() = default; struct FeatureSetBase { public: FeatureSetBase(); ~FeatureSetBase(); private: // Non-copyable FeatureSetBase(const FeatureSetBase &other) = delete; FeatureSetBase &operator=(const FeatureSetBase &other) = delete; protected: FeatureMap members = FeatureMap(); public: void overrideFeatures(const std::vector &featureNames, bool enabled); void populateFeatureList(FeatureList *features) const; const FeatureMap &getFeatures() const { return members; } }; inline FeatureSetBase::FeatureSetBase() = default; inline FeatureSetBase::~FeatureSetBase() = default; } // namespace angle #endif // ANGLE_PLATFORM_WORKAROUND_H_

                                                                                                                                                                                                                                                                                                                                                                                                     

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