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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/config/gfxFeature.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/gfx/config/gfxFeature.h b/gfx/config/gfxFeature.h
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+/* -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set sts=2 ts=8 sw=2 tw=99 et: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#ifndef mozilla_gfx_config_gfxFeature_h
+#define mozilla_gfx_config_gfxFeature_h
+
+#include <stdint.h>
+#include "gfxTelemetry.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/Function.h"
+#include "nsString.h"
+
+namespace mozilla {
+namespace gfx {
+
+#define GFX_FEATURE_MAP(_) \
+ /* Name, Type, Description */ \
+ _(HW_COMPOSITING, Feature, "Compositing") \
+ _(D3D11_COMPOSITING, Feature, "Direct3D11 Compositing") \
+ _(D3D9_COMPOSITING, Feature, "Direct3D9 Compositing") \
+ _(OPENGL_COMPOSITING, Feature, "OpenGL Compositing") \
+ _(DIRECT2D, Feature, "Direct2D") \
+ _(D3D11_HW_ANGLE, Feature, "Direct3D11 hardware ANGLE") \
+ _(DIRECT_DRAW, Feature, "DirectDraw") \
+ _(GPU_PROCESS, Feature, "GPU Process") \
+ /* Add new entries above this comment */
+
+enum class Feature : uint32_t {
+#define MAKE_ENUM(name, type, desc) name,
+ GFX_FEATURE_MAP(MAKE_ENUM)
+#undef MAKE_ENUM
+ NumValues
+};
+
+class FeatureState
+{
+ friend class gfxConfig;
+
+ public:
+ bool IsEnabled() const;
+ FeatureStatus GetValue() const;
+
+ void EnableByDefault();
+ void DisableByDefault(FeatureStatus aStatus, const char* aMessage, const nsACString& aFailureId);
+ bool SetDefault(bool aEnable, FeatureStatus aDisableStatus, const char* aDisableMessage);
+ bool InitOrUpdate(bool aEnable,
+ FeatureStatus aDisableStatus,
+ const char* aMessage);
+ void SetDefaultFromPref(const char* aPrefName,
+ bool aIsEnablePref,
+ bool aDefaultValue);
+ void UserEnable(const char* aMessage);
+ void UserForceEnable(const char* aMessage);
+ void UserDisable(const char* aMessage, const nsACString& aFailureId);
+ void Disable(FeatureStatus aStatus, const char* aMessage, const nsACString& aFailureId);
+ void ForceDisable(FeatureStatus aStatus, const char* aMessage, const nsACString& aFailureId) {
+ SetFailed(aStatus, aMessage, aFailureId);
+ }
+ void SetFailed(FeatureStatus aStatus, const char* aMessage, const nsACString& aFailureId);
+ bool MaybeSetFailed(bool aEnable, FeatureStatus aStatus, const char* aMessage, const nsACString& aFailureId);
+ bool MaybeSetFailed(FeatureStatus aStatus, const char* aMessage, const nsACString& aFailureId);
+
+ // aType is "base", "user", "env", or "runtime".
+ // aMessage may be null.
+ typedef mozilla::function<void(const char* aType,
+ FeatureStatus aStatus,
+ const char* aMessage)> StatusIterCallback;
+ void ForEachStatusChange(const StatusIterCallback& aCallback) const;
+
+ const char* GetFailureMessage() const;
+ const nsCString& GetFailureId() const;
+
+ bool DisabledByDefault() const;
+
+ private:
+ void SetUser(FeatureStatus aStatus, const char* aMessage);
+ void SetEnvironment(FeatureStatus aStatus, const char* aMessage);
+ void SetRuntime(FeatureStatus aStatus, const char* aMessage);
+ bool IsForcedOnByUser() const;
+ const char* GetRuntimeMessage() const;
+ bool IsInitialized() const {
+ return mDefault.IsInitialized();
+ }
+
+ void AssertInitialized() const {
+ MOZ_ASSERT(IsInitialized());
+ }
+
+ // Clear all state.
+ void Reset();
+
+ private:
+ void SetFailureId(const nsACString& aFailureId);
+
+ struct Instance {
+ char mMessage[64];
+ FeatureStatus mStatus;
+
+ void Set(FeatureStatus aStatus, const char* aMessage = nullptr);
+ bool IsInitialized() const {
+ return mStatus != FeatureStatus::Unused;
+ }
+ const char* MessageOrNull() const {
+ return mMessage[0] != '\0' ? mMessage : nullptr;
+ }
+ const char* Message() const {
+ MOZ_ASSERT(MessageOrNull());
+ return mMessage;
+ }
+ };
+
+ // The default state is the state we decide on startup, based on the operating
+ // system or a base preference.
+ //
+ // The user state factors in any changes to preferences that the user made.
+ //
+ // The environment state factors in any additional decisions made, such as
+ // availability or blacklisting.
+ //
+ // The runtime state factors in any problems discovered at runtime.
+ Instance mDefault;
+ Instance mUser;
+ Instance mEnvironment;
+ Instance mRuntime;
+
+ // Store the first reported failureId for now but we might want to track this
+ // by instance later if we need a specific breakdown.
+ nsCString mFailureId;
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif // mozilla_gfx_config_gfxFeature_h