зеркало из https://github.com/mozilla/gecko-dev.git
300 строки
9.4 KiB
C++
300 строки
9.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_WINDOWS_PLATFORM_H
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#define GFX_WINDOWS_PLATFORM_H
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/**
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* XXX to get CAIRO_HAS_D2D_SURFACE, CAIRO_HAS_DWRITE_FONT
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* and cairo_win32_scaled_font_select_font
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*/
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#include "cairo-win32.h"
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#include "gfxFontUtils.h"
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#include "gfxWindowsSurface.h"
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#include "gfxFont.h"
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#ifdef CAIRO_HAS_DWRITE_FONT
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#include "gfxDWriteFonts.h"
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#endif
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#include "gfxPlatform.h"
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#include "gfxTypes.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/Atomics.h"
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#include "nsTArray.h"
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#include "nsDataHashtable.h"
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#include "mozilla/RefPtr.h"
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#include <windows.h>
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#include <objbase.h>
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#ifdef CAIRO_HAS_D2D_SURFACE
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#include <dxgi.h>
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#endif
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// This header is available in the June 2010 SDK and in the Win8 SDK
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#include <d3dcommon.h>
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// Win 8.0 SDK types we'll need when building using older sdks.
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#if !defined(D3D_FEATURE_LEVEL_11_1) // defined in the 8.0 SDK only
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#define D3D_FEATURE_LEVEL_11_1 static_cast<D3D_FEATURE_LEVEL>(0xb100)
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#define D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION 2048
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#define D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION 4096
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#endif
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namespace mozilla {
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namespace gfx {
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class DrawTarget;
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}
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namespace layers {
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class DeviceManagerD3D9;
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class ReadbackManagerD3D11;
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}
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}
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struct IDirect3DDevice9;
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struct ID3D11Device;
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struct IDXGIAdapter1;
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class nsIMemoryReporter;
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/**
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* Utility to get a Windows HDC from a Moz2D DrawTarget. If the DrawTarget is
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* not backed by a HDC this will get the HDC for the screen device context
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* instead.
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*/
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class MOZ_STACK_CLASS DCFromDrawTarget MOZ_FINAL
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{
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public:
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DCFromDrawTarget(mozilla::gfx::DrawTarget& aDrawTarget);
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~DCFromDrawTarget() {
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if (mNeedsRelease) {
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ReleaseDC(nullptr, mDC);
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} else {
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RestoreDC(mDC, -1);
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}
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}
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operator HDC () {
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return mDC;
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}
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private:
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HDC mDC;
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bool mNeedsRelease;
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};
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// ClearType parameters set by running ClearType tuner
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struct ClearTypeParameterInfo {
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ClearTypeParameterInfo() :
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gamma(-1), pixelStructure(-1), clearTypeLevel(-1), enhancedContrast(-1)
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{ }
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nsString displayName; // typically just 'DISPLAY1'
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int32_t gamma;
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int32_t pixelStructure;
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int32_t clearTypeLevel;
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int32_t enhancedContrast;
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};
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class gfxWindowsPlatform : public gfxPlatform {
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public:
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enum TextRenderingMode {
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TEXT_RENDERING_NO_CLEARTYPE,
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TEXT_RENDERING_NORMAL,
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TEXT_RENDERING_GDI_CLASSIC,
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TEXT_RENDERING_COUNT
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};
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gfxWindowsPlatform();
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virtual ~gfxWindowsPlatform();
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static gfxWindowsPlatform *GetPlatform() {
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return (gfxWindowsPlatform*) gfxPlatform::GetPlatform();
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}
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virtual gfxPlatformFontList* CreatePlatformFontList();
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virtual already_AddRefed<gfxASurface>
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CreateOffscreenSurface(const IntSize& size,
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gfxContentType contentType) MOZ_OVERRIDE;
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virtual mozilla::TemporaryRef<mozilla::gfx::ScaledFont>
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GetScaledFontForFont(mozilla::gfx::DrawTarget* aTarget, gfxFont *aFont);
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enum RenderMode {
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/* Use GDI and windows surfaces */
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RENDER_GDI = 0,
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/* Use 32bpp image surfaces and call StretchDIBits */
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RENDER_IMAGE_STRETCH32,
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/* Use 32bpp image surfaces, and do 32->24 conversion before calling StretchDIBits */
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RENDER_IMAGE_STRETCH24,
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/* Use Direct2D rendering */
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RENDER_DIRECT2D,
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/* max */
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RENDER_MODE_MAX
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};
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int GetScreenDepth() const;
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RenderMode GetRenderMode() { return mRenderMode; }
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void SetRenderMode(RenderMode rmode) { mRenderMode = rmode; }
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/**
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* Updates render mode with relation to the current preferences and
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* available devices.
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*/
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void UpdateRenderMode();
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/**
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* Verifies a D2D device is present and working, will attempt to create one
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* it is non-functional or non-existant.
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*
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* \param aAttemptForce Attempt to force D2D cairo device creation by using
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* cairo device creation routines.
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*/
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void VerifyD2DDevice(bool aAttemptForce);
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#ifdef CAIRO_HAS_D2D_SURFACE
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HRESULT CreateDevice(nsRefPtr<IDXGIAdapter1> &adapter1, int featureLevelIndex);
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#endif
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/**
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* Return the resolution scaling factor to convert between "logical" or
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* "screen" pixels as used by Windows (dependent on the DPI scaling option
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* in the Display control panel) and actual device pixels.
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*/
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double GetDPIScale();
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nsresult GetFontList(nsIAtom *aLangGroup,
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const nsACString& aGenericFamily,
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nsTArray<nsString>& aListOfFonts);
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nsresult UpdateFontList();
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virtual void GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh,
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int32_t aRunScript,
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nsTArray<const char*>& aFontList);
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nsresult GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName);
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gfxFontGroup *CreateFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
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const gfxFontStyle *aStyle,
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gfxUserFontSet *aUserFontSet);
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/**
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* Look up a local platform font using the full font face name (needed to support @font-face src local() )
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*/
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virtual gfxFontEntry* LookupLocalFont(const nsAString& aFontName,
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uint16_t aWeight,
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int16_t aStretch,
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bool aItalic);
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/**
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* Activate a platform font (needed to support @font-face src url() )
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*/
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virtual gfxFontEntry* MakePlatformFont(const nsAString& aFontName,
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uint16_t aWeight,
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int16_t aStretch,
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bool aItalic,
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const uint8_t* aFontData,
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uint32_t aLength);
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/**
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* Check whether format is supported on a platform or not (if unclear, returns true)
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*/
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virtual bool IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags);
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virtual bool DidRenderingDeviceReset(DeviceResetReason* aResetReason = nullptr);
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// ClearType is not always enabled even when available (e.g. Windows XP)
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// if either of these prefs are enabled and apply, use ClearType rendering
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bool UseClearTypeForDownloadableFonts();
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bool UseClearTypeAlways();
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static void GetDLLVersion(char16ptr_t aDLLPath, nsAString& aVersion);
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// returns ClearType tuning information for each display
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static void GetCleartypeParams(nsTArray<ClearTypeParameterInfo>& aParams);
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virtual void FontsPrefsChanged(const char *aPref);
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void SetupClearTypeParams();
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#ifdef CAIRO_HAS_DWRITE_FONT
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IDWriteFactory *GetDWriteFactory() { return mDWriteFactory; }
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inline bool DWriteEnabled() { return mUseDirectWrite; }
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inline DWRITE_MEASURING_MODE DWriteMeasuringMode() { return mMeasuringMode; }
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IDWriteTextAnalyzer *GetDWriteAnalyzer() { return mDWriteAnalyzer; }
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IDWriteRenderingParams *GetRenderingParams(TextRenderingMode aRenderMode)
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{ return mRenderingParams[aRenderMode]; }
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#else
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inline bool DWriteEnabled() { return false; }
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#endif
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void OnDeviceManagerDestroy(mozilla::layers::DeviceManagerD3D9* aDeviceManager);
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mozilla::layers::DeviceManagerD3D9* GetD3D9DeviceManager();
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IDirect3DDevice9* GetD3D9Device();
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#ifdef CAIRO_HAS_D2D_SURFACE
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cairo_device_t *GetD2DDevice() { return mD2DDevice; }
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ID3D10Device1 *GetD3D10Device() { return mD2DDevice ? cairo_d2d_device_get_device(mD2DDevice) : nullptr; }
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#endif
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ID3D11Device *GetD3D11Device();
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ID3D11Device *GetD3D11ContentDevice();
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mozilla::layers::ReadbackManagerD3D11* GetReadbackManager();
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static bool IsOptimus();
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bool IsWARP() { return mIsWARP; }
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virtual already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource() MOZ_OVERRIDE;
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static mozilla::Atomic<size_t> sD3D11MemoryUsed;
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static mozilla::Atomic<size_t> sD3D9MemoryUsed;
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static mozilla::Atomic<size_t> sD3D9SurfaceImageUsed;
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static mozilla::Atomic<size_t> sD3D9SharedTextureUsed;
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protected:
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RenderMode mRenderMode;
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int8_t mUseClearTypeForDownloadableFonts;
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int8_t mUseClearTypeAlways;
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private:
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void Init();
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void InitD3D11Devices();
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IDXGIAdapter1 *GetDXGIAdapter();
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bool mUseDirectWrite;
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bool mUsingGDIFonts;
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#ifdef CAIRO_HAS_DWRITE_FONT
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nsRefPtr<IDWriteFactory> mDWriteFactory;
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nsRefPtr<IDWriteTextAnalyzer> mDWriteAnalyzer;
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nsRefPtr<IDWriteRenderingParams> mRenderingParams[TEXT_RENDERING_COUNT];
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DWRITE_MEASURING_MODE mMeasuringMode;
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#endif
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#ifdef CAIRO_HAS_D2D_SURFACE
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cairo_device_t *mD2DDevice;
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#endif
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mozilla::RefPtr<IDXGIAdapter1> mAdapter;
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nsRefPtr<mozilla::layers::DeviceManagerD3D9> mDeviceManager;
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mozilla::RefPtr<ID3D11Device> mD3D11Device;
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mozilla::RefPtr<ID3D11Device> mD3D11ContentDevice;
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bool mD3D11DeviceInitialized;
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mozilla::RefPtr<mozilla::layers::ReadbackManagerD3D11> mD3D11ReadbackManager;
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bool mIsWARP;
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virtual void GetPlatformCMSOutputProfile(void* &mem, size_t &size);
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};
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bool DoesD3D11TextureSharingWork(ID3D11Device *device);
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bool DoesD3D11DeviceWork(ID3D11Device *device);
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#endif /* GFX_WINDOWS_PLATFORM_H */
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