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-rw-r--r--gfx/config/gfxConfig.cpp287
1 files changed, 287 insertions, 0 deletions
diff --git a/gfx/config/gfxConfig.cpp b/gfx/config/gfxConfig.cpp
new file mode 100644
index 0000000000..39ecd30da5
--- /dev/null
+++ b/gfx/config/gfxConfig.cpp
@@ -0,0 +1,287 @@
+/* -*- 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/StaticPtr.h"
+#include "mozilla/Unused.h"
+#include "mozilla/gfx/GPUParent.h"
+#include "mozilla/gfx/GraphicsMessages.h"
+#include "plstr.h"
+
+namespace mozilla {
+namespace gfx {
+
+static StaticAutoPtr<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 = new gfxConfig(); }
+
+/* static */
+void gfxConfig::Shutdown() { sConfig = nullptr; }
+
+} // namespace gfx
+} // namespace mozilla