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-rw-r--r--gfx/config/gfxConfigManager.cpp353
1 files changed, 353 insertions, 0 deletions
diff --git a/gfx/config/gfxConfigManager.cpp b/gfx/config/gfxConfigManager.cpp
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+++ b/gfx/config/gfxConfigManager.cpp
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+/* -*- 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 "mozilla/gfx/gfxConfigManager.h"
+#include "mozilla/gfx/gfxVars.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/Components.h"
+#include "mozilla/StaticPrefs_gfx.h"
+#include "mozilla/StaticPrefs_layers.h"
+#include "gfxConfig.h"
+#include "gfxPlatform.h"
+#include "nsIGfxInfo.h"
+#include "nsPrintfCString.h"
+#include "nsXULAppAPI.h"
+
+#ifdef XP_WIN
+# include "mozilla/WindowsVersion.h"
+# include "mozilla/gfx/DeviceManagerDx.h"
+# include "mozilla/gfx/DisplayConfigWindows.h"
+#endif
+
+namespace mozilla {
+namespace gfx {
+
+void gfxConfigManager::Init() {
+ MOZ_ASSERT(XRE_IsParentProcess());
+
+ EmplaceUserPref("gfx.webrender.compositor", mWrCompositorEnabled);
+ mWrForceEnabled = gfxPlatform::WebRenderPrefEnabled();
+ mWrSoftwareForceEnabled = StaticPrefs::gfx_webrender_software_AtStartup();
+ mWrCompositorForceEnabled =
+ StaticPrefs::gfx_webrender_compositor_force_enabled_AtStartup();
+ mGPUProcessAllowSoftware =
+ StaticPrefs::layers_gpu_process_allow_software_AtStartup();
+ mWrForcePartialPresent =
+ StaticPrefs::gfx_webrender_force_partial_present_AtStartup();
+ mWrPartialPresent =
+ StaticPrefs::gfx_webrender_max_partial_present_rects_AtStartup() > 0;
+ EmplaceUserPref(StaticPrefs::GetPrefName_gfx_webrender_program_binary_disk(),
+ mWrShaderCache);
+ mWrOptimizedShaders =
+ StaticPrefs::gfx_webrender_use_optimized_shaders_AtStartup();
+ mWrScissoredCacheClearsEnabled =
+ StaticPrefs::gfx_webrender_scissored_cache_clears_enabled_AtStartup();
+ mWrScissoredCacheClearsForceEnabled = StaticPrefs::
+ gfx_webrender_scissored_cache_clears_force_enabled_AtStartup();
+#ifdef XP_WIN
+ mWrForceAngle = StaticPrefs::gfx_webrender_force_angle_AtStartup();
+ mWrForceAngleNoGPUProcess = StaticPrefs::
+ gfx_webrender_enabled_no_gpu_process_with_angle_win_AtStartup();
+ mWrDCompWinEnabled =
+ Preferences::GetBool("gfx.webrender.dcomp-win.enabled", false);
+#endif
+
+ mWrEnvForceEnabled = gfxPlatform::WebRenderEnvvarEnabled();
+
+#ifdef XP_WIN
+ DeviceManagerDx::Get()->CheckHardwareStretchingSupport(mHwStretchingSupport);
+ mScaledResolution = HasScaledResolution();
+ mIsWin10OrLater = IsWin10OrLater();
+ mIsWin11OrLater = IsWin11OrLater();
+ mWrCompositorDCompRequired = true;
+#else
+ ++mHwStretchingSupport.mBoth;
+#endif
+
+#ifdef MOZ_WIDGET_GTK
+ mDisableHwCompositingNoWr = true;
+#endif
+
+#ifdef NIGHTLY_BUILD
+ mIsNightly = true;
+#endif
+#ifdef EARLY_BETA_OR_EARLIER
+ mIsEarlyBetaOrEarlier = true;
+#endif
+ mSafeMode = gfxPlatform::InSafeMode();
+
+ mGfxInfo = components::GfxInfo::Service();
+
+ mFeatureWr = &gfxConfig::GetFeature(Feature::WEBRENDER);
+ mFeatureWrCompositor = &gfxConfig::GetFeature(Feature::WEBRENDER_COMPOSITOR);
+ mFeatureWrAngle = &gfxConfig::GetFeature(Feature::WEBRENDER_ANGLE);
+ mFeatureWrDComp = &gfxConfig::GetFeature(Feature::WEBRENDER_DCOMP_PRESENT);
+ mFeatureWrPartial = &gfxConfig::GetFeature(Feature::WEBRENDER_PARTIAL);
+ mFeatureWrShaderCache =
+ &gfxConfig::GetFeature(Feature::WEBRENDER_SHADER_CACHE);
+ mFeatureWrOptimizedShaders =
+ &gfxConfig::GetFeature(Feature::WEBRENDER_OPTIMIZED_SHADERS);
+ mFeatureWrScissoredCacheClears =
+ &gfxConfig::GetFeature(Feature::WEBRENDER_SCISSORED_CACHE_CLEARS);
+
+ mFeatureHwCompositing = &gfxConfig::GetFeature(Feature::HW_COMPOSITING);
+#ifdef XP_WIN
+ mFeatureD3D11HwAngle = &gfxConfig::GetFeature(Feature::D3D11_HW_ANGLE);
+ mFeatureD3D11Compositing = &gfxConfig::GetFeature(Feature::D3D11_COMPOSITING);
+#endif
+ mFeatureGPUProcess = &gfxConfig::GetFeature(Feature::GPU_PROCESS);
+}
+
+void gfxConfigManager::EmplaceUserPref(const char* aPrefName,
+ Maybe<bool>& aValue) {
+ if (Preferences::HasUserValue(aPrefName)) {
+ aValue.emplace(Preferences::GetBool(aPrefName, false));
+ }
+}
+
+void gfxConfigManager::ConfigureFromBlocklist(long aFeature,
+ FeatureState* aFeatureState) {
+ MOZ_ASSERT(aFeatureState);
+
+ nsCString blockId;
+ int32_t status;
+ if (!NS_SUCCEEDED(mGfxInfo->GetFeatureStatus(aFeature, blockId, &status))) {
+ aFeatureState->Disable(FeatureStatus::BlockedNoGfxInfo, "gfxInfo is broken",
+ "FEATURE_FAILURE_NO_GFX_INFO"_ns);
+ return;
+ }
+
+ switch (status) {
+ case nsIGfxInfo::FEATURE_STATUS_OK:
+ case nsIGfxInfo::FEATURE_ALLOW_ALWAYS:
+ break;
+ case nsIGfxInfo::FEATURE_ALLOW_QUALIFIED:
+ MOZ_ASSERT_UNREACHABLE("Allowing only qualified, but needs experiment?");
+ break;
+ case nsIGfxInfo::FEATURE_DENIED:
+ aFeatureState->Disable(FeatureStatus::Denied, "Not on allowlist",
+ blockId);
+ break;
+ default:
+ aFeatureState->Disable(FeatureStatus::Blocklisted,
+ "Blocklisted by gfxInfo", blockId);
+ break;
+ }
+}
+
+void gfxConfigManager::ConfigureWebRender() {
+ MOZ_ASSERT(XRE_IsParentProcess());
+ MOZ_ASSERT(mFeatureWr);
+ MOZ_ASSERT(mFeatureWrCompositor);
+ MOZ_ASSERT(mFeatureWrAngle);
+ MOZ_ASSERT(mFeatureWrDComp);
+ MOZ_ASSERT(mFeatureWrPartial);
+ MOZ_ASSERT(mFeatureWrShaderCache);
+ MOZ_ASSERT(mFeatureWrOptimizedShaders);
+ MOZ_ASSERT(mFeatureWrScissoredCacheClears);
+ MOZ_ASSERT(mFeatureHwCompositing);
+ MOZ_ASSERT(mFeatureGPUProcess);
+
+ // Initialize WebRender native compositor usage
+ mFeatureWrCompositor->SetDefaultFromPref("gfx.webrender.compositor", true,
+ false, mWrCompositorEnabled);
+
+ if (mWrCompositorForceEnabled) {
+ mFeatureWrCompositor->UserForceEnable("Force enabled by pref");
+ }
+
+ ConfigureFromBlocklist(nsIGfxInfo::FEATURE_WEBRENDER_COMPOSITOR,
+ mFeatureWrCompositor);
+
+ // Disable native compositor when hardware stretching is not supported. It is
+ // for avoiding a problem like Bug 1618370.
+ // XXX Is there a better check for Bug 1618370?
+ if (!mHwStretchingSupport.IsFullySupported() && mScaledResolution) {
+ nsPrintfCString failureId(
+ "FEATURE_FAILURE_NO_HARDWARE_STRETCHING_B%uW%uF%uN%uE%u",
+ mHwStretchingSupport.mBoth, mHwStretchingSupport.mWindowOnly,
+ mHwStretchingSupport.mFullScreenOnly, mHwStretchingSupport.mNone,
+ mHwStretchingSupport.mError);
+ mFeatureWrCompositor->Disable(FeatureStatus::Unavailable,
+ "No hardware stretching support", failureId);
+ }
+
+ mFeatureWr->EnableByDefault();
+
+ // envvar works everywhere; note that we need this for testing in CI.
+ // Prior to bug 1523788, the `prefEnabled` check was only done on Nightly,
+ // so as to prevent random users from easily enabling WebRender on
+ // unqualified hardware in beta/release.
+ if (mWrSoftwareForceEnabled) {
+ mFeatureWr->UserDisable("User force-enabled software WR",
+ "FEATURE_FAILURE_USER_FORCE_ENABLED_SW_WR"_ns);
+ } else if (mWrEnvForceEnabled) {
+ mFeatureWr->UserForceEnable("Force enabled by envvar");
+ } else if (mWrForceEnabled) {
+ mFeatureWr->UserForceEnable("Force enabled by pref");
+ }
+
+ ConfigureFromBlocklist(nsIGfxInfo::FEATURE_WEBRENDER, mFeatureWr);
+
+ // HW_COMPOSITING being disabled implies interfacing with the GPU might break
+ if (!mFeatureHwCompositing->IsEnabled()) {
+ mFeatureWr->ForceDisable(FeatureStatus::UnavailableNoHwCompositing,
+ "Hardware compositing is disabled",
+ "FEATURE_FAILURE_WEBRENDER_NEED_HWCOMP"_ns);
+ }
+
+ if (mSafeMode) {
+ mFeatureWr->ForceDisable(FeatureStatus::UnavailableInSafeMode,
+ "Safe-mode is enabled",
+ "FEATURE_FAILURE_SAFE_MODE"_ns);
+ }
+
+ mFeatureWrAngle->EnableByDefault();
+ if (mFeatureD3D11HwAngle) {
+ if (mWrForceAngle) {
+ if (!mFeatureD3D11HwAngle->IsEnabled()) {
+ mFeatureWrAngle->ForceDisable(FeatureStatus::UnavailableNoAngle,
+ "ANGLE is disabled",
+ mFeatureD3D11HwAngle->GetFailureId());
+ } else if (!mFeatureGPUProcess->IsEnabled() &&
+ !mWrForceAngleNoGPUProcess) {
+ // WebRender with ANGLE relies on the GPU process when on Windows
+ mFeatureWrAngle->ForceDisable(
+ FeatureStatus::UnavailableNoGpuProcess, "GPU Process is disabled",
+ "FEATURE_FAILURE_GPU_PROCESS_DISABLED"_ns);
+ }
+ } else {
+ mFeatureWrAngle->Disable(FeatureStatus::Disabled, "ANGLE is not forced",
+ "FEATURE_FAILURE_ANGLE_NOT_FORCED"_ns);
+ }
+ } else {
+ mFeatureWrAngle->Disable(FeatureStatus::Unavailable, "OS not supported",
+ "FEATURE_FAILURE_OS_NOT_SUPPORTED"_ns);
+ }
+
+ if (mWrForceAngle && mFeatureWr->IsEnabled() &&
+ !mFeatureWrAngle->IsEnabled()) {
+ // Ensure we disable WebRender if ANGLE is unavailable and it is required.
+ mFeatureWr->ForceDisable(FeatureStatus::UnavailableNoAngle,
+ "ANGLE is disabled",
+ mFeatureWrAngle->GetFailureId());
+ }
+
+ if (!mFeatureWr->IsEnabled() && mDisableHwCompositingNoWr) {
+ if (mFeatureHwCompositing->IsEnabled()) {
+ // Hardware compositing should be disabled by default if we aren't using
+ // WebRender. We had to check if it is enabled at all, because it may
+ // already have been forced disabled (e.g. safe mode, headless). It may
+ // still be forced on by the user, and if so, this should have no effect.
+ mFeatureHwCompositing->Disable(FeatureStatus::Blocked,
+ "Acceleration blocked by platform", ""_ns);
+ }
+
+ if (!mFeatureHwCompositing->IsEnabled() &&
+ mFeatureGPUProcess->IsEnabled() && !mGPUProcessAllowSoftware) {
+ // We have neither WebRender nor OpenGL, we don't allow the GPU process
+ // for basic compositor, and it wasn't disabled already.
+ mFeatureGPUProcess->Disable(FeatureStatus::Unavailable,
+ "Hardware compositing is unavailable.",
+ ""_ns);
+ }
+ }
+
+ mFeatureWrDComp->EnableByDefault();
+ if (!mWrDCompWinEnabled) {
+ mFeatureWrDComp->UserDisable("User disabled via pref",
+ "FEATURE_FAILURE_DCOMP_PREF_DISABLED"_ns);
+ }
+
+ if (!mIsWin10OrLater) {
+ // XXX relax win version to windows 8.
+ mFeatureWrDComp->Disable(FeatureStatus::Unavailable,
+ "Requires Windows 10 or later",
+ "FEATURE_FAILURE_DCOMP_NOT_WIN10"_ns);
+ }
+
+ if (!mFeatureGPUProcess->IsEnabled()) {
+ mFeatureWrDComp->Disable(FeatureStatus::Unavailable, "Requires GPU process",
+ "FEATURE_FAILURE_NO_GPU_PROCESS"_ns);
+ }
+
+ if (mIsWin10OrLater && !mIsWin11OrLater) {
+ // Disable DirectComposition for NVIDIA users on Windows 10 with high/mixed
+ // refresh rate monitors due to rendering artifacts. (See bug 1638709.)
+ nsAutoString adapterVendorID;
+ mGfxInfo->GetAdapterVendorID(adapterVendorID);
+ if (adapterVendorID == u"0x10de") {
+ bool mixed = false;
+ int32_t maxRefreshRate = mGfxInfo->GetMaxRefreshRate(&mixed);
+ if (maxRefreshRate > 60 && mixed) {
+ mFeatureWrDComp->Disable(FeatureStatus::Blocked,
+ "Monitor refresh rate too high/mixed",
+ "NVIDIA_REFRESH_RATE_MIXED"_ns);
+ }
+ }
+ }
+
+ mFeatureWrDComp->MaybeSetFailed(
+ mFeatureWr->IsEnabled(), FeatureStatus::Unavailable, "Requires WebRender",
+ "FEATURE_FAILURE_DCOMP_NOT_WR"_ns);
+ mFeatureWrDComp->MaybeSetFailed(mFeatureWrAngle->IsEnabled(),
+ FeatureStatus::Unavailable, "Requires ANGLE",
+ "FEATURE_FAILURE_DCOMP_NOT_ANGLE"_ns);
+
+ if (!mFeatureWrDComp->IsEnabled() && mWrCompositorDCompRequired) {
+ mFeatureWrCompositor->ForceDisable(FeatureStatus::Unavailable,
+ "No DirectComposition usage",
+ mFeatureWrDComp->GetFailureId());
+ }
+
+ // Initialize WebRender partial present config.
+ // Partial present is used only when WebRender compositor is not used.
+ mFeatureWrPartial->SetDefault(mWrPartialPresent, FeatureStatus::Disabled,
+ "User disabled via pref");
+ if (mWrForcePartialPresent) {
+ mFeatureWrPartial->UserForceEnable("Force enabled by pref");
+ }
+
+ ConfigureFromBlocklist(nsIGfxInfo::FEATURE_WEBRENDER_PARTIAL_PRESENT,
+ mFeatureWrPartial);
+
+ mFeatureWrShaderCache->SetDefaultFromPref(
+ StaticPrefs::GetPrefName_gfx_webrender_program_binary_disk(), true,
+ StaticPrefs::GetPrefDefault_gfx_webrender_program_binary_disk(),
+ mWrShaderCache);
+ ConfigureFromBlocklist(nsIGfxInfo::FEATURE_WEBRENDER_SHADER_CACHE,
+ mFeatureWrShaderCache);
+ if (!mFeatureWr->IsEnabled()) {
+ mFeatureWrShaderCache->ForceDisable(FeatureStatus::Unavailable,
+ "WebRender disabled",
+ "FEATURE_FAILURE_WR_DISABLED"_ns);
+ }
+
+ mFeatureWrOptimizedShaders->EnableByDefault();
+ if (!mWrOptimizedShaders) {
+ mFeatureWrOptimizedShaders->UserDisable("User disabled via pref",
+ "FEATURE_FAILURE_PREF_DISABLED"_ns);
+ }
+ ConfigureFromBlocklist(nsIGfxInfo::FEATURE_WEBRENDER_OPTIMIZED_SHADERS,
+ mFeatureWrOptimizedShaders);
+ if (!mFeatureWr->IsEnabled()) {
+ mFeatureWrOptimizedShaders->ForceDisable(FeatureStatus::Unavailable,
+ "WebRender disabled",
+ "FEATURE_FAILURE_WR_DISABLED"_ns);
+ }
+
+ mFeatureWrScissoredCacheClears->SetDefault(mWrScissoredCacheClearsEnabled,
+ FeatureStatus::Disabled,
+ "User disabled via pref");
+ if (mWrScissoredCacheClearsForceEnabled) {
+ mFeatureWrScissoredCacheClears->UserForceEnable("Force enabled by pref");
+ }
+ ConfigureFromBlocklist(nsIGfxInfo::FEATURE_WEBRENDER_SCISSORED_CACHE_CLEARS,
+ mFeatureWrScissoredCacheClears);
+}
+
+} // namespace gfx
+} // namespace mozilla