Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 167 insertions, 0 deletions

diff --git a/gfx/config/gfxFeature.h b/gfx/config/gfxFeature.h
new file mode 100644
index 0000000000..edebb5759d
--- /dev/null
+++ b/gfx/config/gfxFeature.h
@@ -0,0 +1,167 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 <functional>
+#include <stdint.h>
+#include "gfxTelemetry.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/Maybe.h"
+#include "nsString.h"
+
+namespace mozilla {
+namespace gfx {
+
+#define GFX_FEATURE_MAP(_)                                                   \
+  /* Name,                        Type,         Description */               \
+  _(HW_COMPOSITING, Feature, "Compositing")                                  \
+  _(D3D11_COMPOSITING, Feature, "Direct3D11 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")                                     \
+  _(WEBRENDER, Feature, "WebRender")                                         \
+  _(WEBRENDER_COMPOSITOR, Feature, "WebRender native compositor")            \
+  _(WEBRENDER_PARTIAL, Feature, "WebRender partial present")                 \
+  _(WEBRENDER_SHADER_CACHE, Feature, "WebRender shader disk cache")          \
+  _(WEBRENDER_OPTIMIZED_SHADERS, Feature, "WebRender optimized shaders")     \
+  _(WEBRENDER_ANGLE, Feature, "WebRender ANGLE")                             \
+  _(WEBRENDER_DCOMP_PRESENT, Feature, "WebRender DirectComposition")         \
+  _(WEBRENDER_SCISSORED_CACHE_CLEARS, Feature,                               \
+    "WebRender scissored cache clears")                                      \
+  _(OMTP, Feature, "Off Main Thread Painting")                               \
+  _(WEBGPU, Feature, "WebGPU")                                               \
+  _(X11_EGL, Feature, "X11 EGL")                                             \
+  _(DMABUF, Feature, "DMABUF")                                               \
+  _(WINDOW_OCCLUSION, Feature, "WINDOW_OCCLUSION")                           \
+  _(HARDWARE_VIDEO_DECODING, Feature, "Hardware video decoding")             \
+  _(VIDEO_OVERLAY, Feature, "video overlay")                                 \
+  _(HW_DECODED_VIDEO_ZERO_COPY, Feature, "Hardware decoded video zero copy") \
+  _(VP8_HW_DECODE, Feature, "VP8 hardware decoding")                         \
+  _(VP9_HW_DECODE, Feature, "VP9 hardware decoding")                         \
+  _(DMABUF_SURFACE_EXPORT, Feature, "WebGL DMABuf surface export")           \
+  _(REUSE_DECODER_DEVICE, Feature, "Reuse decoder device")                   \
+  _(BACKDROP_FILTER, Feature, "Backdrop filter")                             \
+  _(CANVAS_RENDERER_THREAD, Feature, "canvas renderer thread")               \
+  _(ACCELERATED_CANVAS2D, Feature, "Accelerated Canvas2D")                   \
+  _(H264_HW_DECODE, Feature, "H.264 hardware decoding")                      \
+  _(AV1_HW_DECODE, Feature, "AV1 hardware decoding")                         \
+  /* 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;
+  friend class GfxConfigManager;  // for testing
+
+ public:
+  FeatureState() { Reset(); }
+
+  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, Maybe<bool> aUserValue);
+  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 std::function<void(const char* aType, FeatureStatus aStatus,
+                             const char* aMessage, const nsCString& aFailureId)>
+      StatusIterCallback;
+  void ForEachStatusChange(const StatusIterCallback& aCallback) const;
+
+  const char* GetFailureMessage() const;
+  const nsCString& GetFailureId() const;
+  nsCString GetStatusAndFailureIdString() const;
+
+  bool DisabledByDefault() const;
+
+  // Clear all state.
+  void Reset();
+
+ private:
+  void SetUser(FeatureStatus aStatus, const char* aMessage,
+               const nsACString& aFailureId);
+  void SetEnvironment(FeatureStatus aStatus, const char* aMessage,
+                      const nsACString& aFailureId);
+  void SetRuntime(FeatureStatus aStatus, const char* aMessage,
+                  const nsACString& aFailureId);
+  bool IsForcedOnByUser() const;
+  const char* GetRuntimeMessage() const;
+  bool IsInitialized() const { return mDefault.IsInitialized(); }
+
+  void AssertInitialized() const { MOZ_ASSERT(IsInitialized()); }
+
+ private:
+  struct Instance {
+    char mMessage[64];
+    FeatureStatus mStatus;
+    nsCString mFailureId;
+
+    void Set(FeatureStatus aStatus);
+    void Set(FeatureStatus aStatus, const char* aMessage,
+             const nsACString& aFailureId);
+    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;
+    }
+    const nsCString& FailureId() const { return mFailureId; }
+  };
+
+  // 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 blocklisting.
+  //
+  // The runtime state factors in any problems discovered at runtime.
+  Instance mDefault;
+  Instance mUser;
+  Instance mEnvironment;
+  Instance mRuntime;
+};
+
+}  // namespace gfx
+}  // namespace mozilla
+
+#endif  // mozilla_gfx_config_gfxFeature_h