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gecko-dev/gfx/config/gfxVars.h
Andrew Osmond 5a36e3dd85 Bug 1785366 - Blocklist backdrop filter on some Ivy/Sandybridge Intel Windows drivers. r=jrmuizel,emilio 
Backdrop filter crashes newer Intel drivers on Windows. This patch adds
support to the blocklist infrastructure for backdrop filter, and hooks
this up with the CSS property table.

Differential Revision: https://phabricator.services.mozilla.com/D154950
2022-08-18 12:29:20 +00:00

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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/. */
#ifndef mozilla_gfx_config_gfxVars_h
#define mozilla_gfx_config_gfxVars_h
#include <stdint.h>
#include "mozilla/Assertions.h"
#include "mozilla/StaticPtr.h"
#include "mozilla/gfx/GraphicsMessages.h"
#include "mozilla/gfx/Point.h"
#include "mozilla/gfx/Types.h"
#include "nsTArray.h"
#include "nsXULAppAPI.h"
namespace mozilla {
namespace gfx {
class gfxVarReceiver;
// Generator for graphics vars.
#define GFX_VARS_LIST(_) \
/* C++ Name, Data Type, Default Value */ \
_(AllowEglRbab, bool, true) \
_(AllowWebgl2, bool, true) \
_(AllowWebglAccelAngle, bool, true) \
_(AllowWebglOop, bool, true) \
_(BrowserTabsRemoteAutostart, bool, false) \
_(ContentBackend, BackendType, BackendType::NONE) \
_(SoftwareBackend, BackendType, BackendType::NONE) \
_(OffscreenFormat, gfxImageFormat, \
mozilla::gfx::SurfaceFormat::X8R8G8B8_UINT32) \
_(RequiresAcceleratedGLContextForCompositorOGL, bool, false) \
_(CanUseHardwareVideoDecoding, bool, false) \
_(DXInterop2Blocked, bool, false) \
_(DXNV12Blocked, bool, false) \
_(DXP010Blocked, bool, false) \
_(DXP016Blocked, bool, false) \
_(UseWebRender, bool, false) \
_(UseWebRenderANGLE, bool, false) \
_(UseWebRenderFlipSequentialWin, bool, false) \
_(UseWebRenderDCompWin, bool, false) \
_(UseWebRenderDCompVideoOverlayWin, bool, false) \
_(UseWebRenderTripleBufferingWin, bool, false) \
_(UseWebRenderCompositor, bool, false) \
_(UseWebRenderProgramBinaryDisk, bool, false) \
_(UseWebRenderOptimizedShaders, bool, false) \
_(UseWebRenderScissoredCacheClears, bool, true) \
_(WebRenderProfilerUI, nsCString, nsCString()) \
_(WebglAllowCoreProfile, bool, true) \
_(WebglAllowWindowsNativeGl, bool, false) \
_(WebRenderMaxPartialPresentRects, int32_t, 0) \
_(WebRenderDebugFlags, int32_t, 0) \
_(WebRenderBoolParameters, int32_t, 0) \
_(WebRenderBatchingLookback, int32_t, 10) \
_(WebRenderBlobTileSize, int32_t, 256) \
_(WebRenderBatchedUploadThreshold, int32_t, 512 * 512) \
_(UseSoftwareWebRender, bool, false) \
_(AllowSoftwareWebRenderD3D11, bool, false) \
_(ScreenDepth, int32_t, 0) \
_(GREDirectory, nsString, nsString()) \
_(ProfDirectory, nsString, nsString()) \
_(AllowD3D11KeyedMutex, bool, false) \
_(SwapIntervalGLX, bool, false) \
_(SwapIntervalEGL, bool, false) \
_(SystemTextQuality, int32_t, 5 /* CLEARTYPE_QUALITY */) \
_(SystemTextClearTypeLevel, float, 1.0f) \
_(SystemTextEnhancedContrast, float, 1.0f) \
_(SystemTextGamma, float, 2.2f) \
_(SystemTextPixelGeometry, int32_t, 1 /* pixel geometry RGB */) \
_(SystemTextRenderingMode, int32_t, 0) \
_(SystemGDIGamma, float, 1.4f) \
_(LayersWindowRecordingPath, nsCString, nsCString()) \
_(RemoteCanvasEnabled, bool, false) \
_(UseDoubleBufferingWithCompositor, bool, false) \
_(UseGLSwizzle, bool, true) \
_(ForceSubpixelAAWherePossible, bool, false) \
_(DwmCompositionEnabled, bool, true) \
_(FxREmbedded, bool, false) \
_(UseAHardwareBufferContent, bool, false) \
_(UseAHardwareBufferSharedSurface, bool, false) \
_(UseEGL, bool, false) \
_(DrmRenderDevice, nsCString, nsCString()) \
_(UseDMABuf, bool, false) \
_(CodecSupportInfo, nsCString, nsCString()) \
_(WebRenderRequiresHardwareDriver, bool, false) \
_(SupportsThreadsafeGL, bool, false) \
_(AllowWebGPU, bool, false) \
_(UseVP8HwDecode, bool, false) \
_(UseVP9HwDecode, bool, false) \
_(HwDecodedVideoZeroCopy, bool, false) \
_(UseDMABufSurfaceExport, bool, true) \
_(ReuseDecoderDevice, bool, false) \
_(UseCanvasRenderThread, bool, false) \
_(AllowBackdropFilter, bool, true)
/* Add new entries above this line. */
// Some graphics settings are computed on the UI process and must be
// communicated to content and GPU processes. gfxVars helps facilitate
// this. Its function is similar to StaticPrefs, except rather than hold
// user preferences, it holds dynamically computed values.
//
// Each variable in GFX_VARS_LIST exposes the following static methods:
//
// const DataType& CxxName();
// void SetCxxName(const DataType& aValue);
//
// Note that the setter may only be called in the UI process; a gfxVar must be
// a variable that is determined in the UI process and pushed to child
// processes.
class gfxVars final {
public:
// These values will be used during the Initialize() call if set. Any
// updates that come before initialization will get added to this array.
static void SetValuesForInitialize(
const nsTArray<GfxVarUpdate>& aInitUpdates);
static void Initialize();
static void Shutdown();
static void ApplyUpdate(const GfxVarUpdate& aUpdate);
static void AddReceiver(gfxVarReceiver* aReceiver);
static void RemoveReceiver(gfxVarReceiver* aReceiver);
// Return a list of updates for all variables with non-default values.
static nsTArray<GfxVarUpdate> FetchNonDefaultVars();
public:
// Each variable must expose Set and Get methods for IPDL.
class VarBase {
public:
VarBase();
virtual void SetValue(const GfxVarValue& aValue) = 0;
virtual void GetValue(GfxVarValue* aOutValue) = 0;
virtual bool HasDefaultValue() const = 0;
size_t Index() const { return mIndex; }
private:
size_t mIndex;
};
private:
static StaticAutoPtr<gfxVars> sInstance;
static StaticAutoPtr<nsTArray<VarBase*>> sVarList;
template <typename T, T Default(), T GetFrom(const GfxVarValue& aValue)>
class VarImpl final : public VarBase {
public:
VarImpl() : mValue(Default()) {}
void SetValue(const GfxVarValue& aValue) override {
mValue = GetFrom(aValue);
if (mListener) {
mListener();
}
}
void GetValue(GfxVarValue* aOutValue) override {
*aOutValue = GfxVarValue(mValue);
}
bool HasDefaultValue() const override { return mValue == Default(); }
const T& Get() const { return mValue; }
// Return true if the value changed, false otherwise.
bool Set(const T& aValue) {
MOZ_ASSERT(XRE_IsParentProcess());
if (mValue == aValue) {
return false;
}
mValue = aValue;
if (mListener) {
mListener();
}
return true;
}
void SetListener(const std::function<void()>& aListener) {
mListener = aListener;
}
private:
T mValue;
std::function<void()> mListener;
};
#define GFX_VAR_DECL(CxxName, DataType, DefaultValue) \
private: \
static DataType Get##CxxName##Default() { return DefaultValue; } \
static DataType Get##CxxName##From(const GfxVarValue& aValue) { \
return aValue.get_##DataType(); \
} \
VarImpl<DataType, Get##CxxName##Default, Get##CxxName##From> mVar##CxxName; \
\
public: \
static const DataType& CxxName() { return sInstance->mVar##CxxName.Get(); } \
static DataType Get##CxxName##OrDefault() { \
if (!sInstance) { \
return DefaultValue; \
} \
return sInstance->mVar##CxxName.Get(); \
} \
static void Set##CxxName(const DataType& aValue) { \
if (sInstance->mVar##CxxName.Set(aValue)) { \
sInstance->NotifyReceivers(&sInstance->mVar##CxxName); \
} \
} \
\
static void Set##CxxName##Listener(const std::function<void()>& aListener) { \
sInstance->mVar##CxxName.SetListener(aListener); \
}
GFX_VARS_LIST(GFX_VAR_DECL)
#undef GFX_VAR_DECL
private:
gfxVars();
void NotifyReceivers(VarBase* aVar);
private:
nsTArray<gfxVarReceiver*> mReceivers;
};
#undef GFX_VARS_LIST
} // namespace gfx
} // namespace mozilla
#endif // mozilla_gfx_config_gfxVars_h
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