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gecko/gfx/thebes/gfxWindowsPlatform.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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/Util.h"
#include "gfxWindowsPlatform.h"
#include "gfxImageSurface.h"
#include "gfxWindowsSurface.h"
#include "nsUnicharUtils.h"
#include "mozilla/Preferences.h"
#include "nsServiceManagerUtils.h"
#include "nsTArray.h"
#include "nsIWindowsRegKey.h"
#include "nsIFile.h"
#include "plbase64.h"
#include "nsIXULRuntime.h"
#include "nsIGfxInfo.h"
#include "gfxCrashReporterUtils.h"
#include "gfxGDIFontList.h"
#include "gfxGDIFont.h"
#ifdef CAIRO_HAS_DWRITE_FONT
#include "gfxDWriteFontList.h"
#include "gfxDWriteFonts.h"
#include "gfxDWriteCommon.h"
#include <dwrite.h>
#endif
#include "gfxUserFontSet.h"
#include <string>
using namespace mozilla;
using namespace mozilla::gfx;
#ifdef CAIRO_HAS_D2D_SURFACE
#include "gfxD2DSurface.h"
#include <d3d10_1.h>
#include <dxgi.h>
#include "mozilla/gfx/2D.h"
#include "nsMemory.h"
#endif
/*
* Required headers are not available in the current consumer preview Win8
* dev kit, disabling for now.
*/
#undef MOZ_WINSDK_TARGETVER
/**
* XXX below should be >= MOZ_NTDDI_WIN8 or such which is not defined yet
*/
#if MOZ_WINSDK_TARGETVER > MOZ_NTDDI_WIN7
#define ENABLE_GPU_MEM_REPORTER
#endif
#if defined CAIRO_HAS_D2D_SURFACE || defined ENABLE_GPU_MEM_REPORTER
#include "nsIMemoryReporter.h"
#endif
#ifdef ENABLE_GPU_MEM_REPORTER
#include <winternl.h>
/**
* XXX need to check that extern C is really needed with Win8 SDK.
* It was required for files I had available at push time.
*/
extern "C" {
#include <d3dkmthk.h>
}
#endif
using namespace mozilla;
#ifdef CAIRO_HAS_D2D_SURFACE
NS_MEMORY_REPORTER_IMPLEMENT(
D2DCache,
"gfx-d2d-surfacecache",
KIND_OTHER,
UNITS_BYTES,
cairo_d2d_get_image_surface_cache_usage,
"Memory used by the Direct2D internal surface cache.")
namespace
{
int64_t GetD2DSurfaceVramUsage() {
cairo_device_t *device =
gfxWindowsPlatform::GetPlatform()->GetD2DDevice();
if (device) {
return cairo_d2d_get_surface_vram_usage(device);
}
return 0;
}
} // anonymous namespace
NS_MEMORY_REPORTER_IMPLEMENT(
D2DVram,
"gfx-d2d-surfacevram",
KIND_OTHER,
UNITS_BYTES,
GetD2DSurfaceVramUsage,
"Video memory used by D2D surfaces.")
#endif
namespace
{
int64_t GetD2DVRAMUsageDrawTarget() {
return mozilla::gfx::Factory::GetD2DVRAMUsageDrawTarget();
}
int64_t GetD2DVRAMUsageSourceSurface() {
return mozilla::gfx::Factory::GetD2DVRAMUsageSourceSurface();
}
} // anonymous namespace
NS_MEMORY_REPORTER_IMPLEMENT(
D2DVRAMDT,
"gfx-d2d-vram-drawtarget",
KIND_OTHER,
UNITS_BYTES,
GetD2DVRAMUsageDrawTarget,
"Video memory used by D2D DrawTargets.")
NS_MEMORY_REPORTER_IMPLEMENT(
D2DVRAMSS,
"gfx-d2d-vram-sourcesurface",
KIND_OTHER,
UNITS_BYTES,
GetD2DVRAMUsageSourceSurface,
"Video memory used by D2D SourceSurfaces.")
#define GFX_USE_CLEARTYPE_ALWAYS "gfx.font_rendering.cleartype.always_use_for_content"
#define GFX_DOWNLOADABLE_FONTS_USE_CLEARTYPE "gfx.font_rendering.cleartype.use_for_downloadable_fonts"
#define GFX_CLEARTYPE_PARAMS "gfx.font_rendering.cleartype_params."
#define GFX_CLEARTYPE_PARAMS_GAMMA "gfx.font_rendering.cleartype_params.gamma"
#define GFX_CLEARTYPE_PARAMS_CONTRAST "gfx.font_rendering.cleartype_params.enhanced_contrast"
#define GFX_CLEARTYPE_PARAMS_LEVEL "gfx.font_rendering.cleartype_params.cleartype_level"
#define GFX_CLEARTYPE_PARAMS_STRUCTURE "gfx.font_rendering.cleartype_params.pixel_structure"
#define GFX_CLEARTYPE_PARAMS_MODE "gfx.font_rendering.cleartype_params.rendering_mode"
#ifdef CAIRO_HAS_DWRITE_FONT
// DirectWrite is not available on all platforms, we need to use the function
// pointer.
typedef HRESULT (WINAPI*DWriteCreateFactoryFunc)(
DWRITE_FACTORY_TYPE factoryType,
REFIID iid,
IUnknown **factory
);
#endif
#ifdef CAIRO_HAS_D2D_SURFACE
typedef HRESULT (WINAPI*D3D10CreateDevice1Func)(
IDXGIAdapter *pAdapter,
D3D10_DRIVER_TYPE DriverType,
HMODULE Software,
UINT Flags,
D3D10_FEATURE_LEVEL1 HardwareLevel,
UINT SDKVersion,
ID3D10Device1 **ppDevice
);
typedef HRESULT(WINAPI*CreateDXGIFactory1Func)(
REFIID riid,
void **ppFactory
);
#endif
#ifdef ENABLE_GPU_MEM_REPORTER
class GPUAdapterMultiReporter : public nsIMemoryMultiReporter {
// Callers must Release the DXGIAdapter after use or risk mem-leak
static bool GetDXGIAdapter(__out IDXGIAdapter **DXGIAdapter)
{
ID3D10Device1 *D2D10Device;
IDXGIDevice *DXGIDevice;
bool result = false;
if (D2D10Device = mozilla::gfx::Factory::GetDirect3D10Device()) {
if (D2D10Device->QueryInterface(__uuidof(IDXGIDevice), (void **)&DXGIDevice) == S_OK) {
result = (DXGIDevice->GetAdapter(DXGIAdapter) == S_OK);
DXGIDevice->Release();
}
}
return result;
}
public:
NS_DECL_ISUPPORTS
// nsIMemoryMultiReporter abstract method implementation
NS_IMETHOD
CollectReports(nsIMemoryMultiReporterCallback* aCb,
nsISupports* aClosure)
{
int32_t winVers, buildNum;
HANDLE ProcessHandle = GetCurrentProcess();
int64_t dedicatedBytesUsed = 0;
int64_t sharedBytesUsed = 0;
int64_t committedBytesUsed = 0;
IDXGIAdapter *DXGIAdapter;
HMODULE gdi32Handle;
PFND3DKMT_QUERYSTATISTICS queryD3DKMTStatistics;
winVers = gfxWindowsPlatform::WindowsOSVersion(&buildNum);
// GPU memory reporting is not available before Windows 7
if (winVers < gfxWindowsPlatform::kWindows7)
return NS_OK;
if (gdi32Handle = LoadLibrary(TEXT("gdi32.dll")))
queryD3DKMTStatistics = (PFND3DKMT_QUERYSTATISTICS)GetProcAddress(gdi32Handle, "D3DKMTQueryStatistics");
if (queryD3DKMTStatistics && GetDXGIAdapter(&DXGIAdapter)) {
// Most of this block is understood thanks to wj32's work on Process Hacker
DXGI_ADAPTER_DESC adapterDesc;
D3DKMT_QUERYSTATISTICS queryStatistics;
DXGIAdapter->GetDesc(&adapterDesc);
DXGIAdapter->Release();
memset(&queryStatistics, 0, sizeof(D3DKMT_QUERYSTATISTICS));
queryStatistics.Type = D3DKMT_QUERYSTATISTICS_PROCESS;
queryStatistics.AdapterLuid = adapterDesc.AdapterLuid;
queryStatistics.hProcess = ProcessHandle;
if (NT_SUCCESS(queryD3DKMTStatistics(&queryStatistics))) {
committedBytesUsed = queryStatistics.QueryResult.ProcessInformation.SystemMemory.BytesAllocated;
}
memset(&queryStatistics, 0, sizeof(D3DKMT_QUERYSTATISTICS));
queryStatistics.Type = D3DKMT_QUERYSTATISTICS_ADAPTER;
queryStatistics.AdapterLuid = adapterDesc.AdapterLuid;
if (NT_SUCCESS(queryD3DKMTStatistics(&queryStatistics))) {
ULONG i;
ULONG segmentCount = queryStatistics.QueryResult.AdapterInformation.NbSegments;
for (i = 0; i < segmentCount; i++) {
memset(&queryStatistics, 0, sizeof(D3DKMT_QUERYSTATISTICS));
queryStatistics.Type = D3DKMT_QUERYSTATISTICS_SEGMENT;
queryStatistics.AdapterLuid = adapterDesc.AdapterLuid;
queryStatistics.QuerySegment.SegmentId = i;
if (NT_SUCCESS(queryD3DKMTStatistics(&queryStatistics))) {
bool aperture;
// SegmentInformation has a different definition in Win7 than later versions
if (winVers > gfxWindowsPlatform::kWindows7)
aperture = queryStatistics.QueryResult.SegmentInformation.Aperture;
else
aperture = queryStatistics.QueryResult.SegmentInformationV1.Aperture;
memset(&queryStatistics, 0, sizeof(D3DKMT_QUERYSTATISTICS));
queryStatistics.Type = D3DKMT_QUERYSTATISTICS_PROCESS_SEGMENT;
queryStatistics.AdapterLuid = adapterDesc.AdapterLuid;
queryStatistics.hProcess = ProcessHandle;
queryStatistics.QueryProcessSegment.SegmentId = i;
if (NT_SUCCESS(queryD3DKMTStatistics(&queryStatistics))) {
if (aperture)
sharedBytesUsed += queryStatistics.QueryResult
.ProcessSegmentInformation
.BytesCommitted;
else
dedicatedBytesUsed += queryStatistics.QueryResult
.ProcessSegmentInformation
.BytesCommitted;
}
}
}
}
}
FreeLibrary(gdi32Handle);
#define REPORT(_path, _amount, _desc) \
do { \
nsresult rv; \
rv = aCb->Callback(EmptyCString(), NS_LITERAL_CSTRING(_path), \
nsIMemoryReporter::KIND_OTHER, \
nsIMemoryReporter::UNITS_BYTES, _amount, \
NS_LITERAL_CSTRING(_desc), aClosure); \
NS_ENSURE_SUCCESS(rv, rv); \
} while (0)
REPORT("gpu-committed", committedBytesUsed,
"Memory committed by the Windows graphics system.");
REPORT("gpu-dedicated", dedicatedBytesUsed,
"Out-of-process memory allocated for this process in a "
"physical GPU adapter's memory.");
REPORT("gpu-shared", sharedBytesUsed,
"In-process memory that is shared with the GPU.");
#undef REPORT
return NS_OK;
}
// nsIMemoryMultiReporter abstract method implementation
NS_IMETHOD
GetExplicitNonHeap(int64_t *aExplicitNonHeap)
{
// This reporter doesn't do any non-heap measurements.
*aExplicitNonHeap = 0;
return NS_OK;
}
};
NS_IMPL_ISUPPORTS1(GPUAdapterMultiReporter, nsIMemoryMultiReporter)
#endif // ENABLE_GPU_MEM_REPORTER
static __inline void
BuildKeyNameFromFontName(nsAString &aName)
{
if (aName.Length() >= LF_FACESIZE)
aName.Truncate(LF_FACESIZE - 1);
ToLowerCase(aName);
}
gfxWindowsPlatform::gfxWindowsPlatform()
{
mPrefFonts.Init(50);
mUseClearTypeForDownloadableFonts = UNINITIALIZED_VALUE;
mUseClearTypeAlways = UNINITIALIZED_VALUE;
mUsingGDIFonts = false;
/*
* Initialize COM
*/
CoInitialize(NULL);
mScreenDC = GetDC(NULL);
#ifdef CAIRO_HAS_D2D_SURFACE
NS_RegisterMemoryReporter(new NS_MEMORY_REPORTER_NAME(D2DCache));
NS_RegisterMemoryReporter(new NS_MEMORY_REPORTER_NAME(D2DVram));
mD2DDevice = nullptr;
#endif
NS_RegisterMemoryReporter(new NS_MEMORY_REPORTER_NAME(D2DVRAMDT));
NS_RegisterMemoryReporter(new NS_MEMORY_REPORTER_NAME(D2DVRAMSS));
UpdateRenderMode();
#ifdef ENABLE_GPU_MEM_REPORTER
mGPUAdapterMultiReporter = new GPUAdapterMultiReporter();
NS_RegisterMemoryMultiReporter(mGPUAdapterMultiReporter);
#endif
}
gfxWindowsPlatform::~gfxWindowsPlatform()
{
#ifdef ENABLE_GPU_MEM_REPORTER
NS_UnregisterMemoryMultiReporter(mGPUAdapterMultiReporter);
#endif
::ReleaseDC(NULL, mScreenDC);
// not calling FT_Done_FreeType because cairo may still hold references to
// these FT_Faces. See bug 458169.
#ifdef CAIRO_HAS_D2D_SURFACE
if (mD2DDevice) {
cairo_release_device(mD2DDevice);
}
#endif
/*
* Uninitialize COM
*/
CoUninitialize();
}
/* static */ bool
gfxWindowsPlatform::IsRunningInWindows8Metro()
{
static bool alreadyChecked = false;
static bool isMetro = false;
if (alreadyChecked) {
return isMetro;
}
HMODULE user32DLL = LoadLibraryW(L"user32.dll");
if (!user32DLL) {
return false;
}
typedef BOOL (WINAPI* IsImmersiveProcessFunc)(HANDLE process);
IsImmersiveProcessFunc IsImmersiveProcessPtr =
(IsImmersiveProcessFunc)GetProcAddress(user32DLL,
"IsImmersiveProcess");
FreeLibrary(user32DLL);
if (!IsImmersiveProcessPtr) {
// isMetro is already set to false.
alreadyChecked = true;
return false;
}
isMetro = IsImmersiveProcessPtr(GetCurrentProcess());
alreadyChecked = true;
return isMetro;
}
void
gfxWindowsPlatform::UpdateRenderMode()
{
/* Pick the default render mode for
* desktop.
*/
mRenderMode = RENDER_GDI;
OSVERSIONINFOA versionInfo;
versionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
::GetVersionExA(&versionInfo);
bool isVistaOrHigher = versionInfo.dwMajorVersion >= 6;
bool safeMode = false;
nsCOMPtr<nsIXULRuntime> xr = do_GetService("@mozilla.org/xre/runtime;1");
if (xr)
xr->GetInSafeMode(&safeMode);
mUseDirectWrite = Preferences::GetBool("gfx.font_rendering.directwrite.enabled", false);
#ifdef CAIRO_HAS_D2D_SURFACE
bool d2dDisabled = false;
bool d2dForceEnabled = false;
bool d2dBlocked = false;
nsCOMPtr<nsIGfxInfo> gfxInfo = do_GetService("@mozilla.org/gfx/info;1");
if (gfxInfo) {
int32_t status;
if (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_DIRECT2D, &status))) {
if (status != nsIGfxInfo::FEATURE_NO_INFO) {
d2dBlocked = true;
}
}
}
d2dDisabled = Preferences::GetBool("gfx.direct2d.disabled", false);
d2dForceEnabled = Preferences::GetBool("gfx.direct2d.force-enabled", false);
// In Metro mode there is no fallback available
d2dForceEnabled |= IsRunningInWindows8Metro();
bool tryD2D = !d2dBlocked || d2dForceEnabled;
// Do not ever try if d2d is explicitly disabled,
// or if we're not using DWrite fonts.
if (d2dDisabled || mUsingGDIFonts) {
tryD2D = false;
}
if (isVistaOrHigher && !safeMode && tryD2D) {
VerifyD2DDevice(d2dForceEnabled);
if (mD2DDevice) {
mRenderMode = RENDER_DIRECT2D;
mUseDirectWrite = true;
}
} else {
mD2DDevice = nullptr;
}
#endif
#ifdef CAIRO_HAS_DWRITE_FONT
// Enable when it's preffed on -and- we're using Vista or higher. Or when
// we're going to use D2D.
if (!mDWriteFactory && (mUseDirectWrite && isVistaOrHigher)) {
mozilla::ScopedGfxFeatureReporter reporter("DWrite");
DWriteCreateFactoryFunc createDWriteFactory = (DWriteCreateFactoryFunc)
GetProcAddress(LoadLibraryW(L"dwrite.dll"), "DWriteCreateFactory");
if (createDWriteFactory) {
/**
* I need a direct pointer to be able to cast to IUnknown**, I also
* need to remember to release this because the nsRefPtr will
* AddRef it.
*/
IDWriteFactory *factory;
HRESULT hr = createDWriteFactory(
DWRITE_FACTORY_TYPE_SHARED,
__uuidof(IDWriteFactory),
reinterpret_cast<IUnknown**>(&factory));
if (SUCCEEDED(hr) && factory) {
mDWriteFactory = factory;
factory->Release();
hr = mDWriteFactory->CreateTextAnalyzer(
getter_AddRefs(mDWriteAnalyzer));
}
SetupClearTypeParams();
if (hr == S_OK)
reporter.SetSuccessful();
}
}
#endif
uint32_t canvasMask = 1 << BACKEND_CAIRO;
uint32_t contentMask = 0;
if (mRenderMode == RENDER_DIRECT2D) {
canvasMask |= 1 << BACKEND_DIRECT2D;
contentMask |= 1 << BACKEND_DIRECT2D;
} else {
canvasMask |= 1 << BACKEND_SKIA;
}
InitBackendPrefs(canvasMask, contentMask);
}
void
gfxWindowsPlatform::VerifyD2DDevice(bool aAttemptForce)
{
#ifdef CAIRO_HAS_D2D_SURFACE
if (mD2DDevice) {
ID3D10Device1 *device = cairo_d2d_device_get_device(mD2DDevice);
if (SUCCEEDED(device->GetDeviceRemovedReason())) {
return;
}
mD2DDevice = nullptr;
}
mozilla::ScopedGfxFeatureReporter reporter("D2D", aAttemptForce);
HMODULE d3d10module = LoadLibraryA("d3d10_1.dll");
D3D10CreateDevice1Func createD3DDevice = (D3D10CreateDevice1Func)
GetProcAddress(d3d10module, "D3D10CreateDevice1");
nsRefPtr<ID3D10Device1> device;
if (createD3DDevice) {
HMODULE dxgiModule = LoadLibraryA("dxgi.dll");
CreateDXGIFactory1Func createDXGIFactory1 = (CreateDXGIFactory1Func)
GetProcAddress(dxgiModule, "CreateDXGIFactory1");
// Try to use a DXGI 1.1 adapter in order to share resources
// across processes.
nsRefPtr<IDXGIAdapter1> adapter1;
if (createDXGIFactory1) {
nsRefPtr<IDXGIFactory1> factory1;
HRESULT hr = createDXGIFactory1(__uuidof(IDXGIFactory1),
getter_AddRefs(factory1));
if (FAILED(hr) || !factory1) {
// This seems to happen with some people running the iZ3D driver.
// They won't get acceleration.
return;
}
hr = factory1->EnumAdapters1(0, getter_AddRefs(adapter1));
if (SUCCEEDED(hr) && adapter1) {
hr = adapter1->CheckInterfaceSupport(__uuidof(ID3D10Device),
nullptr);
if (FAILED(hr)) {
// We should return and not accelerate if we don't have
// D3D 10.0 support.
return;
}
}
}
// It takes a lot of time (5-10% of startup time or ~100ms) to do both
// a createD3DDevice on D3D10_FEATURE_LEVEL_10_0 and
// D3D10_FEATURE_LEVEL_10_1. Therefore we set a pref if we ever get
// 10.1 to work and we use that first if the pref is set.
// Going direct to a 10.1 check only takes 20-30ms.
// The initialization of hr doesn't matter here because it will get
// overwritten whether or not the preference is set.
// - If the preferD3D10_1 pref is set it gets overwritten immediately.
// - If the preferD3D10_1 pref is not set, the if condition after
// the one that follows us immediately will short circuit before
// checking FAILED(hr) and will again get overwritten immediately.
// We initialize it here just so it does not appear to be an
// uninitialized value.
HRESULT hr = E_FAIL;
bool preferD3D10_1 =
Preferences::GetBool("gfx.direct3d.prefer_10_1", false);
if (preferD3D10_1) {
hr = createD3DDevice(
adapter1,
D3D10_DRIVER_TYPE_HARDWARE,
NULL,
D3D10_CREATE_DEVICE_BGRA_SUPPORT |
D3D10_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS,
D3D10_FEATURE_LEVEL_10_1,
D3D10_1_SDK_VERSION,
getter_AddRefs(device));
// If we fail here, the DirectX version or video card probably
// changed. We previously could use 10.1 but now we can't
// anymore. Revert back to doing a 10.0 check first before
// the 10.1 check.
if (FAILED(hr)) {
Preferences::SetBool("gfx.direct3d.prefer_10_1", false);
} else {
mD2DDevice = cairo_d2d_create_device_from_d3d10device(device);
}
}
if (!preferD3D10_1 || FAILED(hr)) {
// If preferD3D10_1 is set and 10.1 failed, fall back to 10.0.
// if preferD3D10_1 is not yet set, then first try to create
// a 10.0 D3D device, then try to see if 10.1 works.
nsRefPtr<ID3D10Device1> device1;
hr = createD3DDevice(
adapter1,
D3D10_DRIVER_TYPE_HARDWARE,
NULL,
D3D10_CREATE_DEVICE_BGRA_SUPPORT |
D3D10_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS,
D3D10_FEATURE_LEVEL_10_0,
D3D10_1_SDK_VERSION,
getter_AddRefs(device1));
if (SUCCEEDED(hr)) {
device = device1;
if (preferD3D10_1) {
mD2DDevice =
cairo_d2d_create_device_from_d3d10device(device);
}
}
}
// If preferD3D10_1 is not yet set and 10.0 succeeded
if (!preferD3D10_1 && SUCCEEDED(hr)) {
// We have 10.0, let's try 10.1. This second check will only
// ever be done once if it succeeds. After that an option
// will be set to prefer using 10.1 before trying 10.0.
// In the case that 10.1 fails, it won't be a long operation
// like it is when 10.1 succeeds, so we don't need to optimize
// the case where 10.1 is not supported, but 10.0 is supported.
nsRefPtr<ID3D10Device1> device1;
hr = createD3DDevice(
adapter1,
D3D10_DRIVER_TYPE_HARDWARE,
NULL,
D3D10_CREATE_DEVICE_BGRA_SUPPORT |
D3D10_CREATE_DEVICE_PREVENT_INTERNAL_THREADING_OPTIMIZATIONS,
D3D10_FEATURE_LEVEL_10_1,
D3D10_1_SDK_VERSION,
getter_AddRefs(device1));
if (SUCCEEDED(hr)) {
device = device1;
Preferences::SetBool("gfx.direct3d.prefer_10_1", true);
}
mD2DDevice = cairo_d2d_create_device_from_d3d10device(device);
}
}
if (!mD2DDevice && aAttemptForce) {
mD2DDevice = cairo_d2d_create_device();
}
if (mD2DDevice) {
reporter.SetSuccessful();
mozilla::gfx::Factory::SetDirect3D10Device(cairo_d2d_device_get_device(mD2DDevice));
}
#endif
}
// bug 630201 - older pre-RTM versions of Direct2D/DirectWrite cause odd
// crashers so blacklist them altogether
#ifdef CAIRO_HAS_DWRITE_FONT
#define WINDOWS7_RTM_BUILD 7600
static bool
AllowDirectWrite()
{
int32_t winVers, buildNum;
winVers = gfxWindowsPlatform::WindowsOSVersion(&buildNum);
if (winVers == gfxWindowsPlatform::kWindows7 &&
buildNum < WINDOWS7_RTM_BUILD)
{
// don't use Direct2D/DirectWrite on older versions of Windows 7
return false;
}
return true;
}
#endif
gfxPlatformFontList*
gfxWindowsPlatform::CreatePlatformFontList()
{
mUsingGDIFonts = false;
gfxPlatformFontList *pfl;
#ifdef CAIRO_HAS_DWRITE_FONT
if (AllowDirectWrite() && GetDWriteFactory()) {
pfl = new gfxDWriteFontList();
if (NS_SUCCEEDED(pfl->InitFontList())) {
return pfl;
}
// DWrite font initialization failed! Don't know why this would happen,
// but apparently it can - see bug 594865.
// So we're going to fall back to GDI fonts & rendering.
gfxPlatformFontList::Shutdown();
SetRenderMode(RENDER_GDI);
}
#endif
pfl = new gfxGDIFontList();
mUsingGDIFonts = true;
if (NS_SUCCEEDED(pfl->InitFontList())) {
return pfl;
}
gfxPlatformFontList::Shutdown();
return nullptr;
}
already_AddRefed<gfxASurface>
gfxWindowsPlatform::CreateOffscreenSurface(const gfxIntSize& size,
gfxASurface::gfxContentType contentType)
{
nsRefPtr<gfxASurface> surf = nullptr;
#ifdef CAIRO_HAS_WIN32_SURFACE
if (mRenderMode == RENDER_GDI)
surf = new gfxWindowsSurface(size, OptimalFormatForContent(contentType));
#endif
#ifdef CAIRO_HAS_D2D_SURFACE
if (mRenderMode == RENDER_DIRECT2D)
surf = new gfxD2DSurface(size, OptimalFormatForContent(contentType));
#endif
if (!surf || surf->CairoStatus()) {
surf = new gfxImageSurface(size, OptimalFormatForContent(contentType));
}
return surf.forget();
}
already_AddRefed<gfxASurface>
gfxWindowsPlatform::CreateOffscreenImageSurface(const gfxIntSize& aSize,
gfxASurface::gfxContentType aContentType)
{
#ifdef CAIRO_HAS_D2D_SURFACE
if (mRenderMode == RENDER_DIRECT2D) {
return new gfxImageSurface(aSize, OptimalFormatForContent(aContentType));
}
#endif
nsRefPtr<gfxASurface> surface = CreateOffscreenSurface(aSize, aContentType);
#ifdef DEBUG
nsRefPtr<gfxImageSurface> imageSurface = surface->GetAsImageSurface();
NS_ASSERTION(imageSurface, "Surface cannot be converted to a gfxImageSurface");
#endif
return surface.forget();
}
RefPtr<ScaledFont>
gfxWindowsPlatform::GetScaledFontForFont(DrawTarget* aTarget, gfxFont *aFont)
{
if (aFont->GetType() == gfxFont::FONT_TYPE_DWRITE) {
gfxDWriteFont *font = static_cast<gfxDWriteFont*>(aFont);
NativeFont nativeFont;
nativeFont.mType = NATIVE_FONT_DWRITE_FONT_FACE;
nativeFont.mFont = font->GetFontFace();
if (aTarget->GetType() == BACKEND_CAIRO) {
return Factory::CreateScaledFontWithCairo(nativeFont,
font->GetAdjustedSize(),
font->GetCairoScaledFont());
}
return Factory::CreateScaledFontForNativeFont(nativeFont,
font->GetAdjustedSize());
}
NS_ASSERTION(aFont->GetType() == gfxFont::FONT_TYPE_GDI,
"Fonts on windows should be GDI or DWrite!");
NativeFont nativeFont;
nativeFont.mType = NATIVE_FONT_GDI_FONT_FACE;
LOGFONT lf;
GetObject(static_cast<gfxGDIFont*>(aFont)->GetHFONT(), sizeof(LOGFONT), &lf);
nativeFont.mFont = &lf;
if (aTarget->GetType() == BACKEND_CAIRO) {
return Factory::CreateScaledFontWithCairo(nativeFont,
aFont->GetAdjustedSize(),
aFont->GetCairoScaledFont());
}
return Factory::CreateScaledFontForNativeFont(nativeFont, aFont->GetAdjustedSize());
}
already_AddRefed<gfxASurface>
gfxWindowsPlatform::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
{
#ifdef XP_WIN
if (aTarget->GetType() == BACKEND_DIRECT2D) {
if (!GetD2DDevice()) {
// We no longer have a D2D device, can't do this.
return NULL;
}
RefPtr<ID3D10Texture2D> texture =
static_cast<ID3D10Texture2D*>(aTarget->GetNativeSurface(NATIVE_SURFACE_D3D10_TEXTURE));
if (!texture) {
return gfxPlatform::GetThebesSurfaceForDrawTarget(aTarget);
}
aTarget->Flush();
nsRefPtr<gfxASurface> surf =
new gfxD2DSurface(texture, ContentForFormat(aTarget->GetFormat()));
// shouldn't this hold a reference?
surf->SetData(&kDrawTarget, aTarget, NULL);
return surf.forget();
}
#endif
return gfxPlatform::GetThebesSurfaceForDrawTarget(aTarget);
}
nsresult
gfxWindowsPlatform::GetFontList(nsIAtom *aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts)
{
gfxPlatformFontList::PlatformFontList()->GetFontList(aLangGroup, aGenericFamily, aListOfFonts);
return NS_OK;
}
static void
RemoveCharsetFromFontSubstitute(nsAString &aName)
{
int32_t comma = aName.FindChar(PRUnichar(','));
if (comma >= 0)
aName.Truncate(comma);
}
nsresult
gfxWindowsPlatform::UpdateFontList()
{
gfxPlatformFontList::PlatformFontList()->UpdateFontList();
return NS_OK;
}
static const char kFontArabicTypesetting[] = "Arabic Typesetting";
static const char kFontArial[] = "Arial";
static const char kFontArialUnicodeMS[] = "Arial Unicode MS";
static const char kFontCambria[] = "Cambria";
static const char kFontCambriaMath[] = "Cambria Math";
static const char kFontEbrima[] = "Ebrima";
static const char kFontEstrangeloEdessa[] = "Estrangelo Edessa";
static const char kFontEuphemia[] = "Euphemia";
static const char kFontGabriola[] = "Gabriola";
static const char kFontKhmerUI[] = "Khmer UI";
static const char kFontLaoUI[] = "Lao UI";
static const char kFontLucidaSansUnicode[] = "Lucida Sans Unicode";
static const char kFontMVBoli[] = "MV Boli";
static const char kFontMalgunGothic[] = "Malgun Gothic";
static const char kFontMicrosoftJhengHei[] = "Microsoft JhengHei";
static const char kFontMicrosoftNewTaiLue[] = "Microsoft New Tai Lue";
static const char kFontMicrosoftPhagsPa[] = "Microsoft PhagsPa";
static const char kFontMicrosoftTaiLe[] = "Microsoft Tai Le";
static const char kFontMicrosoftUighur[] = "Microsoft Uighur";
static const char kFontMicrosoftYaHei[] = "Microsoft YaHei";
static const char kFontMicrosoftYiBaiti[] = "Microsoft Yi Baiti";
static const char kFontMeiryo[] = "Meiryo";
static const char kFontMongolianBaiti[] = "Mongolian Baiti";
static const char kFontNyala[] = "Nyala";
static const char kFontPlantagenetCherokee[] = "Plantagenet Cherokee";
static const char kFontSegoeUI[] = "Segoe UI";
static const char kFontSegoeUISymbol[] = "Segoe UI Symbol";
static const char kFontSylfaen[] = "Sylfaen";
static const char kFontTraditionalArabic[] = "Traditional Arabic";
void
gfxWindowsPlatform::GetCommonFallbackFonts(const uint32_t aCh,
int32_t aRunScript,
nsTArray<const char*>& aFontList)
{
// Arial is used as the default fallback for system fallback
aFontList.AppendElement(kFontArial);
if (!IS_IN_BMP(aCh)) {
uint32_t p = aCh >> 16;
if (p == 1) { // SMP plane
aFontList.AppendElement(kFontSegoeUISymbol);
aFontList.AppendElement(kFontEbrima);
aFontList.AppendElement(kFontCambriaMath);
}
} else {
uint32_t b = (aCh >> 8) & 0xff;
switch (b) {
case 0x05:
aFontList.AppendElement(kFontEstrangeloEdessa);
aFontList.AppendElement(kFontCambria);
break;
case 0x06:
aFontList.AppendElement(kFontMicrosoftUighur);
break;
case 0x07:
aFontList.AppendElement(kFontEstrangeloEdessa);
aFontList.AppendElement(kFontMVBoli);
aFontList.AppendElement(kFontEbrima);
break;
case 0x0e:
aFontList.AppendElement(kFontLaoUI);
break;
case 0x12:
case 0x13:
aFontList.AppendElement(kFontNyala);
aFontList.AppendElement(kFontPlantagenetCherokee);
break;
case 0x14:
case 0x15:
case 0x16:
aFontList.AppendElement(kFontEuphemia);
aFontList.AppendElement(kFontSegoeUISymbol);
break;
case 0x17:
aFontList.AppendElement(kFontKhmerUI);
break;
case 0x18: // Mongolian
aFontList.AppendElement(kFontMongolianBaiti);
break;
case 0x19:
aFontList.AppendElement(kFontMicrosoftTaiLe);
aFontList.AppendElement(kFontMicrosoftNewTaiLue);
aFontList.AppendElement(kFontKhmerUI);
break;
break;
case 0x20: // Symbol ranges
case 0x21:
case 0x22:
case 0x23:
case 0x24:
case 0x25:
case 0x26:
case 0x27:
case 0x29:
case 0x2a:
case 0x2b:
case 0x2c:
aFontList.AppendElement(kFontSegoeUI);
aFontList.AppendElement(kFontSegoeUISymbol);
aFontList.AppendElement(kFontCambria);
aFontList.AppendElement(kFontMeiryo);
aFontList.AppendElement(kFontArial);
aFontList.AppendElement(kFontLucidaSansUnicode);
aFontList.AppendElement(kFontEbrima);
break;
case 0x2d:
case 0x2e:
case 0x2f:
aFontList.AppendElement(kFontEbrima);
aFontList.AppendElement(kFontNyala);
aFontList.AppendElement(kFontMeiryo);
break;
case 0x28: // Braille
aFontList.AppendElement(kFontSegoeUISymbol);
break;
case 0x30:
case 0x31:
aFontList.AppendElement(kFontMicrosoftYaHei);
break;
case 0x32:
aFontList.AppendElement(kFontMalgunGothic);
break;
case 0x4d:
aFontList.AppendElement(kFontSegoeUISymbol);
break;
case 0xa0: // Yi
case 0xa1:
case 0xa2:
case 0xa3:
case 0xa4:
aFontList.AppendElement(kFontMicrosoftYiBaiti);
break;
case 0xa5:
case 0xa6:
case 0xa7:
aFontList.AppendElement(kFontEbrima);
aFontList.AppendElement(kFontCambriaMath);
break;
case 0xa8:
aFontList.AppendElement(kFontMicrosoftPhagsPa);
break;
case 0xfb:
aFontList.AppendElement(kFontMicrosoftUighur);
aFontList.AppendElement(kFontGabriola);
aFontList.AppendElement(kFontSylfaen);
break;
case 0xfc:
case 0xfd:
aFontList.AppendElement(kFontTraditionalArabic);
aFontList.AppendElement(kFontArabicTypesetting);
break;
case 0xfe:
aFontList.AppendElement(kFontTraditionalArabic);
aFontList.AppendElement(kFontMicrosoftJhengHei);
break;
case 0xff:
aFontList.AppendElement(kFontMicrosoftJhengHei);
break;
default:
break;
}
}
// Arial Unicode MS has lots of glyphs for obscure characters,
// use it as a last resort
aFontList.AppendElement(kFontArialUnicodeMS);
}
struct ResolveData {
ResolveData(gfxPlatform::FontResolverCallback aCallback,
gfxWindowsPlatform *aCaller, const nsAString *aFontName,
void *aClosure) :
mFoundCount(0), mCallback(aCallback), mCaller(aCaller),
mFontName(aFontName), mClosure(aClosure) {}
uint32_t mFoundCount;
gfxPlatform::FontResolverCallback mCallback;
gfxWindowsPlatform *mCaller;
const nsAString *mFontName;
void *mClosure;
};
nsresult
gfxWindowsPlatform::ResolveFontName(const nsAString& aFontName,
FontResolverCallback aCallback,
void *aClosure,
bool& aAborted)
{
nsAutoString resolvedName;
if (!gfxPlatformFontList::PlatformFontList()->
ResolveFontName(aFontName, resolvedName)) {
aAborted = false;
return NS_OK;
}
aAborted = !(*aCallback)(resolvedName, aClosure);
return NS_OK;
}
nsresult
gfxWindowsPlatform::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
{
gfxPlatformFontList::PlatformFontList()->GetStandardFamilyName(aFontName, aFamilyName);
return NS_OK;
}
gfxFontGroup *
gfxWindowsPlatform::CreateFontGroup(const nsAString &aFamilies,
const gfxFontStyle *aStyle,
gfxUserFontSet *aUserFontSet)
{
return new gfxFontGroup(aFamilies, aStyle, aUserFontSet);
}
gfxFontEntry*
gfxWindowsPlatform::LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
const nsAString& aFontName)
{
return gfxPlatformFontList::PlatformFontList()->LookupLocalFont(aProxyEntry,
aFontName);
}
gfxFontEntry*
gfxWindowsPlatform::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
const uint8_t *aFontData, uint32_t aLength)
{
return gfxPlatformFontList::PlatformFontList()->MakePlatformFont(aProxyEntry,
aFontData,
aLength);
}
bool
gfxWindowsPlatform::IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags)
{
// check for strange format flags
NS_ASSERTION(!(aFormatFlags & gfxUserFontSet::FLAG_FORMAT_NOT_USED),
"strange font format hint set");
// accept supported formats
if (aFormatFlags & (gfxUserFontSet::FLAG_FORMAT_WOFF |
gfxUserFontSet::FLAG_FORMAT_OPENTYPE |
gfxUserFontSet::FLAG_FORMAT_TRUETYPE)) {
return true;
}
// reject all other formats, known and unknown
if (aFormatFlags != 0) {
return false;
}
// no format hint set, need to look at data
return true;
}
gfxFontFamily *
gfxWindowsPlatform::FindFontFamily(const nsAString& aName)
{
return gfxPlatformFontList::PlatformFontList()->FindFamily(aName);
}
gfxFontEntry *
gfxWindowsPlatform::FindFontEntry(const nsAString& aName, const gfxFontStyle& aFontStyle)
{
nsRefPtr<gfxFontFamily> ff = FindFontFamily(aName);
if (!ff)
return nullptr;
bool aNeedsBold;
return ff->FindFontForStyle(aFontStyle, aNeedsBold);
}
qcms_profile*
gfxWindowsPlatform::GetPlatformCMSOutputProfile()
{
WCHAR str[MAX_PATH];
DWORD size = MAX_PATH;
BOOL res;
HDC dc = GetDC(nullptr);
if (!dc)
return nullptr;
#if _MSC_VER
__try {
res = GetICMProfileW(dc, &size, (LPWSTR)&str);
} __except(GetExceptionCode() == EXCEPTION_ILLEGAL_INSTRUCTION) {
res = FALSE;
}
#else
res = GetICMProfileW(dc, &size, (LPWSTR)&str);
#endif
ReleaseDC(nullptr, dc);
if (!res)
return nullptr;
qcms_profile* profile = qcms_profile_from_unicode_path(str);
#ifdef DEBUG_tor
if (profile)
fprintf(stderr,
"ICM profile read from %s successfully\n",
NS_ConvertUTF16toUTF8(str).get());
#endif
return profile;
}
bool
gfxWindowsPlatform::GetPrefFontEntries(const nsCString& aKey, nsTArray<nsRefPtr<gfxFontEntry> > *array)
{
return mPrefFonts.Get(aKey, array);
}
void
gfxWindowsPlatform::SetPrefFontEntries(const nsCString& aKey, nsTArray<nsRefPtr<gfxFontEntry> >& array)
{
mPrefFonts.Put(aKey, array);
}
bool
gfxWindowsPlatform::UseClearTypeForDownloadableFonts()
{
if (mUseClearTypeForDownloadableFonts == UNINITIALIZED_VALUE) {
mUseClearTypeForDownloadableFonts = Preferences::GetBool(GFX_DOWNLOADABLE_FONTS_USE_CLEARTYPE, true);
}
return mUseClearTypeForDownloadableFonts;
}
bool
gfxWindowsPlatform::UseClearTypeAlways()
{
if (mUseClearTypeAlways == UNINITIALIZED_VALUE) {
mUseClearTypeAlways = Preferences::GetBool(GFX_USE_CLEARTYPE_ALWAYS, false);
}
return mUseClearTypeAlways;
}
int32_t
gfxWindowsPlatform::WindowsOSVersion(int32_t *aBuildNum)
{
static int32_t winVersion = UNINITIALIZED_VALUE;
static int32_t buildNum = UNINITIALIZED_VALUE;
OSVERSIONINFO vinfo;
if (winVersion == UNINITIALIZED_VALUE) {
vinfo.dwOSVersionInfoSize = sizeof (vinfo);
if (!GetVersionEx(&vinfo)) {
winVersion = kWindowsUnknown;
buildNum = 0;
} else {
winVersion = int32_t(vinfo.dwMajorVersion << 16) + vinfo.dwMinorVersion;
buildNum = int32_t(vinfo.dwBuildNumber);
}
}
if (aBuildNum) {
*aBuildNum = buildNum;
}
return winVersion;
}
void
gfxWindowsPlatform::GetDLLVersion(const PRUnichar *aDLLPath, nsAString& aVersion)
{
DWORD versInfoSize, vers[4] = {0};
// version info not available case
aVersion.Assign(NS_LITERAL_STRING("0.0.0.0"));
versInfoSize = GetFileVersionInfoSizeW(aDLLPath, NULL);
nsAutoTArray<BYTE,512> versionInfo;
if (versInfoSize == 0 ||
!versionInfo.AppendElements(uint32_t(versInfoSize)))
{
return;
}
if (!GetFileVersionInfoW(aDLLPath, 0, versInfoSize,
LPBYTE(versionInfo.Elements())))
{
return;
}
UINT len = 0;
VS_FIXEDFILEINFO *fileInfo = nullptr;
if (!VerQueryValue(LPBYTE(versionInfo.Elements()), TEXT("\\"),
(LPVOID *)&fileInfo, &len) ||
len == 0 ||
fileInfo == nullptr)
{
return;
}
DWORD fileVersMS = fileInfo->dwFileVersionMS;
DWORD fileVersLS = fileInfo->dwFileVersionLS;
vers[0] = HIWORD(fileVersMS);
vers[1] = LOWORD(fileVersMS);
vers[2] = HIWORD(fileVersLS);
vers[3] = LOWORD(fileVersLS);
char buf[256];
sprintf(buf, "%d.%d.%d.%d", vers[0], vers[1], vers[2], vers[3]);
aVersion.Assign(NS_ConvertUTF8toUTF16(buf));
}
void
gfxWindowsPlatform::GetCleartypeParams(nsTArray<ClearTypeParameterInfo>& aParams)
{
HKEY hKey, subKey;
DWORD i, rv, size, type;
WCHAR displayName[256], subkeyName[256];
aParams.Clear();
// construct subkeys based on HKLM subkeys, assume they are same for HKCU
rv = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
L"Software\\Microsoft\\Avalon.Graphics",
0, KEY_READ, &hKey);
if (rv != ERROR_SUCCESS) {
return;
}
// enumerate over subkeys
for (i = 0, rv = ERROR_SUCCESS; rv != ERROR_NO_MORE_ITEMS; i++) {
size = ArrayLength(displayName);
rv = RegEnumKeyExW(hKey, i, displayName, &size, NULL, NULL, NULL, NULL);
if (rv != ERROR_SUCCESS) {
continue;
}
ClearTypeParameterInfo ctinfo;
ctinfo.displayName.Assign(displayName);
DWORD subrv, value;
bool foundData = false;
swprintf_s(subkeyName, ArrayLength(subkeyName),
L"Software\\Microsoft\\Avalon.Graphics\\%s", displayName);
// subkey for gamma, pixel structure
subrv = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
subkeyName, 0, KEY_QUERY_VALUE, &subKey);
if (subrv == ERROR_SUCCESS) {
size = sizeof(value);
subrv = RegQueryValueExW(subKey, L"GammaLevel", NULL, &type,
(LPBYTE)&value, &size);
if (subrv == ERROR_SUCCESS && type == REG_DWORD) {
foundData = true;
ctinfo.gamma = value;
}
size = sizeof(value);
subrv = RegQueryValueExW(subKey, L"PixelStructure", NULL, &type,
(LPBYTE)&value, &size);
if (subrv == ERROR_SUCCESS && type == REG_DWORD) {
foundData = true;
ctinfo.pixelStructure = value;
}
RegCloseKey(subKey);
}
// subkey for cleartype level, enhanced contrast
subrv = RegOpenKeyExW(HKEY_CURRENT_USER,
subkeyName, 0, KEY_QUERY_VALUE, &subKey);
if (subrv == ERROR_SUCCESS) {
size = sizeof(value);
subrv = RegQueryValueExW(subKey, L"ClearTypeLevel", NULL, &type,
(LPBYTE)&value, &size);
if (subrv == ERROR_SUCCESS && type == REG_DWORD) {
foundData = true;
ctinfo.clearTypeLevel = value;
}
size = sizeof(value);
subrv = RegQueryValueExW(subKey, L"EnhancedContrastLevel",
NULL, &type, (LPBYTE)&value, &size);
if (subrv == ERROR_SUCCESS && type == REG_DWORD) {
foundData = true;
ctinfo.enhancedContrast = value;
}
RegCloseKey(subKey);
}
if (foundData) {
aParams.AppendElement(ctinfo);
}
}
RegCloseKey(hKey);
}
void
gfxWindowsPlatform::FontsPrefsChanged(const char *aPref)
{
bool clearTextFontCaches = true;
gfxPlatform::FontsPrefsChanged(aPref);
if (!aPref) {
mUseClearTypeForDownloadableFonts = UNINITIALIZED_VALUE;
mUseClearTypeAlways = UNINITIALIZED_VALUE;
} else if (!strcmp(GFX_DOWNLOADABLE_FONTS_USE_CLEARTYPE, aPref)) {
mUseClearTypeForDownloadableFonts = UNINITIALIZED_VALUE;
} else if (!strcmp(GFX_USE_CLEARTYPE_ALWAYS, aPref)) {
mUseClearTypeAlways = UNINITIALIZED_VALUE;
} else if (!strncmp(GFX_CLEARTYPE_PARAMS, aPref, strlen(GFX_CLEARTYPE_PARAMS))) {
SetupClearTypeParams();
} else {
clearTextFontCaches = false;
}
if (clearTextFontCaches) {
gfxFontCache *fc = gfxFontCache::GetCache();
if (fc) {
fc->Flush();
}
}
}
#define ENHANCED_CONTRAST_REGISTRY_KEY \
HKEY_CURRENT_USER, "Software\\Microsoft\\Avalon.Graphics\\DISPLAY1\\EnhancedContrastLevel"
void
gfxWindowsPlatform::SetupClearTypeParams()
{
#if CAIRO_HAS_DWRITE_FONT
if (GetDWriteFactory()) {
// any missing prefs will default to invalid (-1) and be ignored;
// out-of-range values will also be ignored
FLOAT gamma = -1.0;
FLOAT contrast = -1.0;
FLOAT level = -1.0;
int geometry = -1;
int mode = -1;
int32_t value;
if (NS_SUCCEEDED(Preferences::GetInt(GFX_CLEARTYPE_PARAMS_GAMMA, &value))) {
if (value >= 1000 && value <= 2200) {
gamma = FLOAT(value / 1000.0);
}
}
if (NS_SUCCEEDED(Preferences::GetInt(GFX_CLEARTYPE_PARAMS_CONTRAST, &value))) {
if (value >= 0 && value <= 1000) {
contrast = FLOAT(value / 100.0);
}
}
if (NS_SUCCEEDED(Preferences::GetInt(GFX_CLEARTYPE_PARAMS_LEVEL, &value))) {
if (value >= 0 && value <= 100) {
level = FLOAT(value / 100.0);
}
}
if (NS_SUCCEEDED(Preferences::GetInt(GFX_CLEARTYPE_PARAMS_STRUCTURE, &value))) {
if (value >= 0 && value <= 2) {
geometry = value;
}
}
if (NS_SUCCEEDED(Preferences::GetInt(GFX_CLEARTYPE_PARAMS_MODE, &value))) {
if (value >= 0 && value <= 5) {
mode = value;
}
}
cairo_dwrite_set_cleartype_params(gamma, contrast, level, geometry, mode);
switch (mode) {
case DWRITE_RENDERING_MODE_ALIASED:
case DWRITE_RENDERING_MODE_CLEARTYPE_GDI_CLASSIC:
mMeasuringMode = DWRITE_MEASURING_MODE_GDI_CLASSIC;
break;
case DWRITE_RENDERING_MODE_CLEARTYPE_GDI_NATURAL:
mMeasuringMode = DWRITE_MEASURING_MODE_GDI_NATURAL;
break;
default:
mMeasuringMode = DWRITE_MEASURING_MODE_NATURAL;
break;
}
nsRefPtr<IDWriteRenderingParams> defaultRenderingParams;
GetDWriteFactory()->CreateRenderingParams(getter_AddRefs(defaultRenderingParams));
// For EnhancedContrast, we override the default if the user has not set it
// in the registry (by using the ClearType Tuner).
if (contrast >= 0.0 && contrast <= 10.0) {
contrast = contrast;
} else {
HKEY hKey;
if (RegOpenKeyExA(ENHANCED_CONTRAST_REGISTRY_KEY,
0, KEY_READ, &hKey) == ERROR_SUCCESS)
{
contrast = defaultRenderingParams->GetEnhancedContrast();
RegCloseKey(hKey);
} else {
contrast = 1.0;
}
}
// For parameters that have not been explicitly set,
// we copy values from default params (or our overridden value for contrast)
if (gamma < 1.0 || gamma > 2.2) {
gamma = defaultRenderingParams->GetGamma();
}
if (level < 0.0 || level > 1.0) {
level = defaultRenderingParams->GetClearTypeLevel();
}
DWRITE_PIXEL_GEOMETRY dwriteGeometry =
static_cast<DWRITE_PIXEL_GEOMETRY>(geometry);
DWRITE_RENDERING_MODE renderMode =
static_cast<DWRITE_RENDERING_MODE>(mode);
if (dwriteGeometry < DWRITE_PIXEL_GEOMETRY_FLAT ||
dwriteGeometry > DWRITE_PIXEL_GEOMETRY_BGR) {
dwriteGeometry = defaultRenderingParams->GetPixelGeometry();
}
if (renderMode < DWRITE_RENDERING_MODE_DEFAULT ||
renderMode > DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC) {
renderMode = defaultRenderingParams->GetRenderingMode();
}
mRenderingParams[TEXT_RENDERING_NO_CLEARTYPE] = defaultRenderingParams;
GetDWriteFactory()->CreateCustomRenderingParams(gamma, contrast, level,
dwriteGeometry, renderMode,
getter_AddRefs(mRenderingParams[TEXT_RENDERING_NORMAL]));
GetDWriteFactory()->CreateCustomRenderingParams(gamma, contrast, level,
dwriteGeometry, DWRITE_RENDERING_MODE_CLEARTYPE_GDI_CLASSIC,
getter_AddRefs(mRenderingParams[TEXT_RENDERING_GDI_CLASSIC]));
}
#endif
}
bool
gfxWindowsPlatform::IsOptimus()
{
return GetModuleHandleA("nvumdshim.dll");
}
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