Adding upstream version 115.7.0esr.upstream/115.7.0esr

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

1 files changed, 286 insertions, 0 deletions

diff --git a/gfx/config/gfxConfig.cpp b/gfx/config/gfxConfig.cpp
new file mode 100644
index 0000000000..6281ffbbb9
--- /dev/null
+++ b/gfx/config/gfxConfig.cpp
@@ -0,0 +1,286 @@
+/* -*- 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/. */
+#include "gfxConfig.h"
+#include "mozilla/UniquePtr.h"
+#include "mozilla/Unused.h"
+#include "mozilla/gfx/GPUParent.h"
+#include "mozilla/gfx/GraphicsMessages.h"
+#include "plstr.h"
+
+namespace mozilla {
+namespace gfx {
+
+static UniquePtr<gfxConfig> sConfig;
+
+/* static */ FeatureState& gfxConfig::GetFeature(Feature aFeature) {
+  return sConfig->GetState(aFeature);
+}
+
+/* static */
+bool gfxConfig::IsEnabled(Feature aFeature) {
+  const FeatureState& state = sConfig->GetState(aFeature);
+  return state.IsEnabled();
+}
+
+/* static */
+bool gfxConfig::IsDisabledByDefault(Feature aFeature) {
+  const FeatureState& state = sConfig->GetState(aFeature);
+  return state.DisabledByDefault();
+}
+
+/* static */
+bool gfxConfig::IsForcedOnByUser(Feature aFeature) {
+  const FeatureState& state = sConfig->GetState(aFeature);
+  return state.IsForcedOnByUser();
+}
+
+/* static */
+FeatureStatus gfxConfig::GetValue(Feature aFeature) {
+  const FeatureState& state = sConfig->GetState(aFeature);
+  return state.GetValue();
+}
+
+/* static */
+bool gfxConfig::SetDefault(Feature aFeature, bool aEnable,
+                           FeatureStatus aDisableStatus,
+                           const char* aDisableMessage) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  return state.SetDefault(aEnable, aDisableStatus, aDisableMessage);
+}
+
+/* static */
+void gfxConfig::DisableByDefault(Feature aFeature, FeatureStatus aDisableStatus,
+                                 const char* aDisableMessage,
+                                 const nsACString& aFailureId) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  state.DisableByDefault(aDisableStatus, aDisableMessage, aFailureId);
+}
+
+/* static */
+void gfxConfig::EnableByDefault(Feature aFeature) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  state.EnableByDefault();
+}
+
+/* static */
+void gfxConfig::SetDefaultFromPref(Feature aFeature, const char* aPrefName,
+                                   bool aIsEnablePref, bool aDefaultValue) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  return state.SetDefaultFromPref(aPrefName, aIsEnablePref, aDefaultValue);
+}
+
+/* static */
+bool gfxConfig::InitOrUpdate(Feature aFeature, bool aEnable,
+                             FeatureStatus aDisableStatus,
+                             const char* aDisableMessage) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  return state.InitOrUpdate(aEnable, aDisableStatus, aDisableMessage);
+}
+
+/* static */
+void gfxConfig::SetFailed(Feature aFeature, FeatureStatus aStatus,
+                          const char* aMessage, const nsACString& aFailureId) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  state.SetFailed(aStatus, aMessage, aFailureId);
+}
+
+/* static */
+void gfxConfig::Disable(Feature aFeature, FeatureStatus aStatus,
+                        const char* aMessage, const nsACString& aFailureId) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  state.Disable(aStatus, aMessage, aFailureId);
+}
+
+/* static */
+void gfxConfig::UserEnable(Feature aFeature, const char* aMessage) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  state.UserEnable(aMessage);
+}
+
+/* static */
+void gfxConfig::UserForceEnable(Feature aFeature, const char* aMessage) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  state.UserForceEnable(aMessage);
+}
+
+/* static */
+void gfxConfig::UserDisable(Feature aFeature, const char* aMessage,
+                            const nsACString& aFailureId) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  state.UserDisable(aMessage, aFailureId);
+}
+
+/* static */
+void gfxConfig::Reenable(Feature aFeature, Fallback aFallback) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  MOZ_ASSERT(IsFeatureStatusFailure(state.GetValue()));
+
+  const char* message = state.GetRuntimeMessage();
+  EnableFallback(aFallback, message);
+  state.SetRuntime(FeatureStatus::Available, nullptr, nsCString());
+}
+
+/* static */
+void gfxConfig::Reset(Feature aFeature) {
+  FeatureState& state = sConfig->GetState(aFeature);
+  state.Reset();
+}
+
+/* static */
+void gfxConfig::Inherit(Feature aFeature, FeatureStatus aStatus) {
+  FeatureState& state = sConfig->GetState(aFeature);
+
+  state.Reset();
+
+  switch (aStatus) {
+    case FeatureStatus::Unused:
+      break;
+    case FeatureStatus::Available:
+      gfxConfig::EnableByDefault(aFeature);
+      break;
+    case FeatureStatus::ForceEnabled:
+      gfxConfig::EnableByDefault(aFeature);
+      gfxConfig::UserForceEnable(aFeature, "Inherited from parent process");
+      break;
+    default:
+      gfxConfig::SetDefault(aFeature, false, aStatus,
+                            "Disabled in parent process");
+      break;
+  }
+}
+
+/* static */
+void gfxConfig::Inherit(EnumSet<Feature> aFeatures,
+                        const DevicePrefs& aDevicePrefs) {
+  for (Feature feature : aFeatures) {
+    FeatureStatus status = FeatureStatus::Unused;
+    switch (feature) {
+      case Feature::HW_COMPOSITING:
+        status = aDevicePrefs.hwCompositing();
+        break;
+      case Feature::D3D11_COMPOSITING:
+        status = aDevicePrefs.d3d11Compositing();
+        break;
+      case Feature::OPENGL_COMPOSITING:
+        status = aDevicePrefs.oglCompositing();
+        break;
+      case Feature::DIRECT2D:
+        status = aDevicePrefs.useD2D1();
+        break;
+      default:
+        break;
+    }
+    gfxConfig::Inherit(feature, status);
+  }
+}
+
+/* static */
+bool gfxConfig::UseFallback(Fallback aFallback) {
+  return sConfig->UseFallbackImpl(aFallback);
+}
+
+/* static */
+void gfxConfig::EnableFallback(Fallback aFallback, const char* aMessage) {
+  if (!NS_IsMainThread()) {
+    nsCString message(aMessage);
+    NS_DispatchToMainThread(
+        NS_NewRunnableFunction("gfxConfig::EnableFallback", [=]() -> void {
+          gfxConfig::EnableFallback(aFallback, message.get());
+        }));
+    return;
+  }
+
+  if (XRE_IsGPUProcess()) {
+    nsCString message(aMessage);
+    Unused << GPUParent::GetSingleton()->SendUsedFallback(aFallback, message);
+    return;
+  }
+
+  sConfig->EnableFallbackImpl(aFallback, aMessage);
+}
+
+bool gfxConfig::UseFallbackImpl(Fallback aFallback) const {
+  return !!(mFallbackBits & (uint64_t(1) << uint64_t(aFallback)));
+}
+
+void gfxConfig::EnableFallbackImpl(Fallback aFallback, const char* aMessage) {
+  if (!UseFallbackImpl(aFallback)) {
+    MOZ_ASSERT(mNumFallbackLogEntries < kNumFallbacks);
+
+    FallbackLogEntry& entry = mFallbackLog[mNumFallbackLogEntries];
+    mNumFallbackLogEntries++;
+
+    entry.mFallback = aFallback;
+    PL_strncpyz(entry.mMessage, aMessage, sizeof(entry.mMessage));
+  }
+  mFallbackBits |= (uint64_t(1) << uint64_t(aFallback));
+}
+
+struct FeatureInfo {
+  const char* name;
+  const char* description;
+};
+static const FeatureInfo sFeatureInfo[] = {
+#define FOR_EACH_FEATURE(name, type, desc) {#name, desc},
+    GFX_FEATURE_MAP(FOR_EACH_FEATURE)
+#undef FOR_EACH_FEATURE
+        {nullptr, nullptr}};
+
+/* static */
+void gfxConfig::ForEachFeature(const FeatureIterCallback& aCallback) {
+  for (size_t i = 0; i < kNumFeatures; i++) {
+    FeatureState& state = GetFeature(static_cast<Feature>(i));
+    if (!state.IsInitialized()) {
+      continue;
+    }
+
+    aCallback(sFeatureInfo[i].name, sFeatureInfo[i].description, state);
+  }
+}
+
+static const char* sFallbackNames[] = {
+#define FOR_EACH_FALLBACK(name) #name,
+    GFX_FALLBACK_MAP(FOR_EACH_FALLBACK)
+#undef FOR_EACH_FALLBACK
+        nullptr};
+
+/* static  */
+void gfxConfig::ForEachFallback(const FallbackIterCallback& aCallback) {
+  sConfig->ForEachFallbackImpl(aCallback);
+}
+
+void gfxConfig::ForEachFallbackImpl(const FallbackIterCallback& aCallback) {
+  for (size_t i = 0; i < mNumFallbackLogEntries; i++) {
+    const FallbackLogEntry& entry = mFallbackLog[i];
+    aCallback(sFallbackNames[size_t(entry.mFallback)], entry.mMessage);
+  }
+}
+
+/* static */ const nsCString& gfxConfig::GetFailureId(Feature aFeature) {
+  const FeatureState& state = sConfig->GetState(aFeature);
+  return state.GetFailureId();
+}
+
+/* static */
+void gfxConfig::ImportChange(Feature aFeature,
+                             const Maybe<FeatureFailure>& aChange) {
+  if (aChange.isNothing()) {
+    return;
+  }
+
+  const FeatureFailure& failure = aChange.ref();
+  gfxConfig::SetFailed(aFeature, failure.status(), failure.message().get(),
+                       failure.failureId());
+}
+
+/* static */
+void gfxConfig::Init() { sConfig = mozilla::MakeUnique<gfxConfig>(); }
+
+/* static */
+void gfxConfig::Shutdown() { sConfig = nullptr; }
+
+}  // namespace gfx
+}  // namespace mozilla