mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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d75200777a
CLOSED TREE Backed out changeset 4df1bd30364d (bug 982338) Backed out changeset b68664a02904 (bug 1057212) Backed out changeset 07b3695aa02f (bug1059033) Backed out changeset bb3885b57d48 (bug1059033) Backed out changeset 76897f52ac2c (bug1059033) Backed out changeset 31e89a2a409f (bug1059033) Backed out changeset 8e81f6f74182 (bug1059033) Backed out changeset c5bbf22f2f28 (bug1059033)
650 lines
22 KiB
C++
650 lines
22 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_PLATFORM_H
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#define GFX_PLATFORM_H
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#include "prlog.h"
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#include "nsTArray.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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#include "nsAutoPtr.h"
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#include "gfxPrefs.h"
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#include "gfxTypes.h"
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#include "gfxFontFamilyList.h"
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#include "gfxBlur.h"
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#include "nsRect.h"
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#include "qcms.h"
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#include "mozilla/RefPtr.h"
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#include "GfxInfoCollector.h"
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#include "mozilla/layers/CompositorTypes.h"
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class gfxASurface;
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class gfxFont;
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class gfxFontGroup;
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struct gfxFontStyle;
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class gfxUserFontSet;
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class gfxFontEntry;
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class gfxProxyFontEntry;
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class gfxPlatformFontList;
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class gfxTextRun;
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class nsIURI;
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class nsIAtom;
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class nsIObserver;
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struct gfxRGBA;
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namespace mozilla {
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namespace gl {
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class GLContext;
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class SkiaGLGlue;
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}
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namespace gfx {
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class DrawTarget;
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class SourceSurface;
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class DataSourceSurface;
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class ScaledFont;
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class DrawEventRecorder;
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inline uint32_t
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BackendTypeBit(BackendType b)
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{
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return 1 << uint8_t(b);
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}
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}
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}
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#define MOZ_PERFORMANCE_WARNING(module, ...) \
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do { \
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if (gfxPrefs::PerfWarnings()) { \
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printf_stderr("[" module "] " __VA_ARGS__); \
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} \
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} while (0)
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extern cairo_user_data_key_t kDrawTarget;
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// pref lang id's for font prefs
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// !!! needs to match the list of pref font.default.xx entries listed in all.js !!!
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// !!! don't use as bit mask, this may grow larger !!!
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enum eFontPrefLang {
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eFontPrefLang_Western = 0,
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eFontPrefLang_Japanese = 1,
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eFontPrefLang_ChineseTW = 2,
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eFontPrefLang_ChineseCN = 3,
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eFontPrefLang_ChineseHK = 4,
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eFontPrefLang_Korean = 5,
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eFontPrefLang_Cyrillic = 6,
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eFontPrefLang_Greek = 7,
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eFontPrefLang_Thai = 8,
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eFontPrefLang_Hebrew = 9,
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eFontPrefLang_Arabic = 10,
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eFontPrefLang_Devanagari = 11,
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eFontPrefLang_Tamil = 12,
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eFontPrefLang_Armenian = 13,
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eFontPrefLang_Bengali = 14,
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eFontPrefLang_Canadian = 15,
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eFontPrefLang_Ethiopic = 16,
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eFontPrefLang_Georgian = 17,
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eFontPrefLang_Gujarati = 18,
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eFontPrefLang_Gurmukhi = 19,
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eFontPrefLang_Khmer = 20,
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eFontPrefLang_Malayalam = 21,
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eFontPrefLang_Oriya = 22,
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eFontPrefLang_Telugu = 23,
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eFontPrefLang_Kannada = 24,
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eFontPrefLang_Sinhala = 25,
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eFontPrefLang_Tibetan = 26,
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eFontPrefLang_Others = 27, // x-unicode
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eFontPrefLang_CJKSet = 28 // special code for CJK set
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};
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enum eCMSMode {
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eCMSMode_Off = 0, // No color management
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eCMSMode_All = 1, // Color manage everything
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eCMSMode_TaggedOnly = 2, // Color manage tagged Images Only
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eCMSMode_AllCount = 3
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};
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enum eGfxLog {
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// all font enumerations, localized names, fullname/psnames, cmap loads
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eGfxLog_fontlist = 0,
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// timing info on font initialization
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eGfxLog_fontinit = 1,
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// dump text runs, font matching, system fallback for content
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eGfxLog_textrun = 2,
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// dump text runs, font matching, system fallback for chrome
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eGfxLog_textrunui = 3,
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// dump cmap coverage data as they are loaded
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eGfxLog_cmapdata = 4,
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// text perf data
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eGfxLog_textperf = 5
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};
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// when searching through pref langs, max number of pref langs
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const uint32_t kMaxLenPrefLangList = 32;
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#define UNINITIALIZED_VALUE (-1)
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inline const char*
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GetBackendName(mozilla::gfx::BackendType aBackend)
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{
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switch (aBackend) {
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case mozilla::gfx::BackendType::DIRECT2D:
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return "direct2d";
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case mozilla::gfx::BackendType::COREGRAPHICS_ACCELERATED:
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return "quartz accelerated";
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case mozilla::gfx::BackendType::COREGRAPHICS:
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return "quartz";
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case mozilla::gfx::BackendType::CAIRO:
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return "cairo";
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case mozilla::gfx::BackendType::SKIA:
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return "skia";
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case mozilla::gfx::BackendType::RECORDING:
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return "recording";
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case mozilla::gfx::BackendType::DIRECT2D1_1:
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return "direct2d 1.1";
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case mozilla::gfx::BackendType::NONE:
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return "none";
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}
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MOZ_CRASH("Incomplete switch");
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}
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class gfxPlatform {
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public:
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typedef mozilla::gfx::DataSourceSurface DataSourceSurface;
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typedef mozilla::gfx::DrawTarget DrawTarget;
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typedef mozilla::gfx::IntSize IntSize;
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typedef mozilla::gfx::SourceSurface SourceSurface;
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/**
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* Return a pointer to the current active platform.
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* This is a singleton; it contains mostly convenience
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* functions to obtain platform-specific objects.
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*/
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static gfxPlatform *GetPlatform();
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/**
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* Shut down Thebes.
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* Init() arranges for this to be called at an appropriate time.
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*/
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static void Shutdown();
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static void InitLayersIPC();
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static void ShutdownLayersIPC();
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/**
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* Create an offscreen surface of the given dimensions
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* and image format.
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*/
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virtual already_AddRefed<gfxASurface>
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CreateOffscreenSurface(const IntSize& size,
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gfxContentType contentType) = 0;
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/**
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* Beware that these methods may return DrawTargets which are not fully supported
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* on the current platform and might fail silently in subtle ways. This is a massive
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* potential footgun. You should only use these methods for canvas drawing really.
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* Use extreme caution if you use them for content where you are not 100% sure we
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* support the DrawTarget we get back.
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* See SupportsAzureContentForDrawTarget.
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*/
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virtual mozilla::TemporaryRef<DrawTarget>
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CreateDrawTargetForSurface(gfxASurface *aSurface, const mozilla::gfx::IntSize& aSize);
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virtual mozilla::TemporaryRef<DrawTarget>
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CreateDrawTargetForUpdateSurface(gfxASurface *aSurface, const mozilla::gfx::IntSize& aSize);
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/*
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* Creates a SourceSurface for a gfxASurface. This function does no caching,
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* so the caller should cache the gfxASurface if it will be used frequently.
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* The returned surface keeps a reference to aTarget, so it is OK to keep the
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* surface, even if aTarget changes.
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* aTarget should not keep a reference to the returned surface because that
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* will cause a cycle.
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*
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* This function is static so that it can be accessed from
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* PluginInstanceChild (where we can't call gfxPlatform::GetPlatform()
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* because the prefs service can only be accessed from the main process).
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*/
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static mozilla::TemporaryRef<SourceSurface>
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GetSourceSurfaceForSurface(mozilla::gfx::DrawTarget *aTarget, gfxASurface *aSurface);
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static void ClearSourceSurfaceForSurface(gfxASurface *aSurface);
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static mozilla::TemporaryRef<DataSourceSurface>
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GetWrappedDataSourceSurface(gfxASurface *aSurface);
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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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mozilla::TemporaryRef<DrawTarget>
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CreateOffscreenContentDrawTarget(const mozilla::gfx::IntSize& aSize, mozilla::gfx::SurfaceFormat aFormat);
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mozilla::TemporaryRef<DrawTarget>
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CreateOffscreenCanvasDrawTarget(const mozilla::gfx::IntSize& aSize, mozilla::gfx::SurfaceFormat aFormat);
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virtual mozilla::TemporaryRef<DrawTarget>
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CreateDrawTargetForData(unsigned char* aData, const mozilla::gfx::IntSize& aSize,
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int32_t aStride, mozilla::gfx::SurfaceFormat aFormat);
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/**
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* Returns true if we should use Azure to render content with aTarget. For
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* example, it is possible that we are using Direct2D for rendering and thus
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* using Azure. But we want to render to a CairoDrawTarget, in which case
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* SupportsAzureContent will return true but SupportsAzureContentForDrawTarget
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* will return false.
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*/
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bool SupportsAzureContentForDrawTarget(mozilla::gfx::DrawTarget* aTarget);
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bool SupportsAzureContentForType(mozilla::gfx::BackendType aType) {
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return BackendTypeBit(aType) & mContentBackendBitmask;
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}
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virtual bool UseAcceleratedSkiaCanvas();
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virtual void InitializeSkiaCacheLimits();
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void GetAzureBackendInfo(mozilla::widget::InfoObject &aObj) {
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aObj.DefineProperty("AzureCanvasBackend", GetBackendName(mPreferredCanvasBackend));
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aObj.DefineProperty("AzureSkiaAccelerated", UseAcceleratedSkiaCanvas());
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aObj.DefineProperty("AzureFallbackCanvasBackend", GetBackendName(mFallbackCanvasBackend));
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aObj.DefineProperty("AzureContentBackend", GetBackendName(mContentBackend));
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}
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mozilla::gfx::BackendType GetContentBackend() {
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return mContentBackend;
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}
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mozilla::gfx::BackendType GetPreferredCanvasBackend() {
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return mPreferredCanvasBackend;
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}
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/*
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* Font bits
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*/
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virtual void SetupClusterBoundaries(gfxTextRun *aTextRun, const char16_t *aString);
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/**
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* Fill aListOfFonts with the results of querying the list of font names
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* that correspond to the given language group or generic font family
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* (or both, or neither).
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*/
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virtual nsresult GetFontList(nsIAtom *aLangGroup,
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const nsACString& aGenericFamily,
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nsTArray<nsString>& aListOfFonts);
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/**
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* Rebuilds the any cached system font lists
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*/
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virtual nsresult UpdateFontList();
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/**
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* Create the platform font-list object (gfxPlatformFontList concrete subclass).
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* This function is responsible to create the appropriate subclass of
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* gfxPlatformFontList *and* to call its InitFontList() method.
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*/
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virtual gfxPlatformFontList *CreatePlatformFontList() {
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NS_NOTREACHED("oops, this platform doesn't have a gfxPlatformFontList implementation");
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return nullptr;
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}
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/**
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* Resolving a font name to family name. The result MUST be in the result of GetFontList().
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* If the name doesn't in the system, aFamilyName will be empty string, but not failed.
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*/
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virtual nsresult GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName) = 0;
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/**
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* Create the appropriate platform font group
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*/
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virtual gfxFontGroup
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*CreateFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
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const gfxFontStyle *aStyle,
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gfxUserFontSet *aUserFontSet) = 0;
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/**
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* Look up a local platform font using the full font face name.
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* (Needed to support @font-face src local().)
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* Ownership of the returned gfxFontEntry is passed to the caller,
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* who must either AddRef() or delete.
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*/
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virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
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const nsAString& aFontName)
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{ return nullptr; }
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/**
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* Activate a platform font. (Needed to support @font-face src url().)
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* aFontData is a NS_Malloc'ed block that must be freed by this function
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* (or responsibility passed on) when it is no longer needed; the caller
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* will NOT free it.
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* Ownership of the returned gfxFontEntry is passed to the caller,
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* who must either AddRef() or delete.
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*/
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virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
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const uint8_t *aFontData,
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uint32_t aLength);
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/**
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* Whether to allow downloadable fonts via @font-face rules
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*/
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bool DownloadableFontsEnabled();
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/**
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* True when hinting should be enabled. This setting shouldn't
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* change per gecko process, while the process is live. If so the
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* results are not defined.
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*
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* NB: this bit is only honored by the FT2 backend, currently.
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*/
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virtual bool FontHintingEnabled() { return true; }
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/**
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* True when zooming should not require reflow, so glyph metrics and
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* positioning should not be adjusted for device pixels.
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* If this is TRUE, then FontHintingEnabled() should be FALSE,
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* but the converse is not necessarily required; in particular,
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* B2G always has FontHintingEnabled FALSE, but RequiresLinearZoom
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* is only true for the browser process, not Gaia or other apps.
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*
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* Like FontHintingEnabled (above), this setting shouldn't
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* change per gecko process, while the process is live. If so the
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* results are not defined.
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*
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* NB: this bit is only honored by the FT2 backend, currently.
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*/
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virtual bool RequiresLinearZoom() { return false; }
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/**
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* Whether to check all font cmaps during system font fallback
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*/
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bool UseCmapsDuringSystemFallback();
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/**
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* Whether to render SVG glyphs within an OpenType font wrapper
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*/
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bool OpenTypeSVGEnabled();
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/**
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* Max character length of words in the word cache
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*/
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uint32_t WordCacheCharLimit();
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/**
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* Max number of entries in word cache
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*/
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uint32_t WordCacheMaxEntries();
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/**
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* Whether to use the SIL Graphite rendering engine
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* (for fonts that include Graphite tables)
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*/
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bool UseGraphiteShaping();
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// check whether format is supported on a platform or not (if unclear, returns true)
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virtual bool IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags) { return false; }
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void GetPrefFonts(nsIAtom *aLanguage, nsString& array, bool aAppendUnicode = true);
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// in some situations, need to make decisions about ambiguous characters, may need to look at multiple pref langs
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void GetLangPrefs(eFontPrefLang aPrefLangs[], uint32_t &aLen, eFontPrefLang aCharLang, eFontPrefLang aPageLang);
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/**
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* Iterate over pref fonts given a list of lang groups. For a single lang
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* group, multiple pref fonts are possible. If error occurs, returns false,
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* true otherwise. Callback returns false to abort process.
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*/
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typedef bool (*PrefFontCallback) (eFontPrefLang aLang, const nsAString& aName,
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void *aClosure);
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static bool ForEachPrefFont(eFontPrefLang aLangArray[], uint32_t aLangArrayLen,
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PrefFontCallback aCallback,
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void *aClosure);
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// convert a lang group to enum constant (i.e. "zh-TW" ==> eFontPrefLang_ChineseTW)
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static eFontPrefLang GetFontPrefLangFor(const char* aLang);
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// convert a lang group atom to enum constant
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static eFontPrefLang GetFontPrefLangFor(nsIAtom *aLang);
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// convert a enum constant to lang group string (i.e. eFontPrefLang_ChineseTW ==> "zh-TW")
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static const char* GetPrefLangName(eFontPrefLang aLang);
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// map a Unicode range (based on char code) to a font language for Preferences
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static eFontPrefLang GetFontPrefLangFor(uint8_t aUnicodeRange);
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// returns true if a pref lang is CJK
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static bool IsLangCJK(eFontPrefLang aLang);
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// helper method to add a pref lang to an array, if not already in array
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static void AppendPrefLang(eFontPrefLang aPrefLangs[], uint32_t& aLen, eFontPrefLang aAddLang);
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// returns a list of commonly used fonts for a given character
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// these are *possible* matches, no cmap-checking is done at this level
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virtual void GetCommonFallbackFonts(const uint32_t /*aCh*/,
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int32_t /*aRunScript*/,
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nsTArray<const char*>& /*aFontList*/)
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{
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// platform-specific override, by default do nothing
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}
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static bool OffMainThreadCompositingEnabled();
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static bool CanUseDirect3D9();
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static bool CanUseDirect3D11();
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/**
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* Is it possible to use buffer rotation. Note that these
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* check the preference, but also allow for the override to
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* disable it using DisableBufferRotation.
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*/
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static bool BufferRotationEnabled();
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static void DisableBufferRotation();
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/**
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* Are we going to try color management?
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*/
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static eCMSMode GetCMSMode();
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/**
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* Determines the rendering intent for color management.
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*
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* If the value in the pref gfx.color_management.rendering_intent is a
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* valid rendering intent as defined in gfx/qcms/qcms.h, that
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* value is returned. Otherwise, -1 is returned and the embedded intent
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* should be used.
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*
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* See bug 444014 for details.
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*/
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static int GetRenderingIntent();
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/**
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* Convert a pixel using a cms transform in an endian-aware manner.
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*
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* Sets 'out' to 'in' if transform is nullptr.
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*/
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static void TransformPixel(const gfxRGBA& in, gfxRGBA& out, qcms_transform *transform);
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/**
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* Return the output device ICC profile.
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*/
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static qcms_profile* GetCMSOutputProfile();
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/**
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* Return the sRGB ICC profile.
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*/
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static qcms_profile* GetCMSsRGBProfile();
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/**
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* Return sRGB -> output device transform.
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*/
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static qcms_transform* GetCMSRGBTransform();
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/**
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* Return output -> sRGB device transform.
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*/
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static qcms_transform* GetCMSInverseRGBTransform();
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/**
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* Return sRGBA -> output device transform.
|
|
*/
|
|
static qcms_transform* GetCMSRGBATransform();
|
|
|
|
virtual void FontsPrefsChanged(const char *aPref);
|
|
|
|
int32_t GetBidiNumeralOption();
|
|
|
|
/**
|
|
* Returns a 1x1 surface that can be used to create graphics contexts
|
|
* for measuring text etc as if they will be rendered to the screen
|
|
*/
|
|
gfxASurface* ScreenReferenceSurface() { return mScreenReferenceSurface; }
|
|
mozilla::gfx::DrawTarget* ScreenReferenceDrawTarget() { return mScreenReferenceDrawTarget; }
|
|
|
|
virtual mozilla::gfx::SurfaceFormat Optimal2DFormatForContent(gfxContentType aContent);
|
|
|
|
virtual gfxImageFormat OptimalFormatForContent(gfxContentType aContent);
|
|
|
|
virtual gfxImageFormat GetOffscreenFormat()
|
|
{ return gfxImageFormat::RGB24; }
|
|
|
|
/**
|
|
* Returns a logger if one is available and logging is enabled
|
|
*/
|
|
static PRLogModuleInfo* GetLog(eGfxLog aWhichLog);
|
|
|
|
virtual int GetScreenDepth() const;
|
|
|
|
/**
|
|
* Return the layer debugging options to use browser-wide.
|
|
*/
|
|
mozilla::layers::DiagnosticTypes GetLayerDiagnosticTypes();
|
|
|
|
static nsIntRect FrameCounterBounds() {
|
|
int bits = 16;
|
|
int sizeOfBit = 3;
|
|
return nsIntRect(0, 0, bits * sizeOfBit, sizeOfBit);
|
|
}
|
|
|
|
mozilla::gl::SkiaGLGlue* GetSkiaGLGlue();
|
|
void PurgeSkiaCache();
|
|
|
|
virtual bool IsInGonkEmulator() const { return false; }
|
|
|
|
static bool UsesOffMainThreadCompositing();
|
|
|
|
protected:
|
|
gfxPlatform();
|
|
virtual ~gfxPlatform();
|
|
|
|
void AppendCJKPrefLangs(eFontPrefLang aPrefLangs[], uint32_t &aLen,
|
|
eFontPrefLang aCharLang, eFontPrefLang aPageLang);
|
|
|
|
/**
|
|
* Helper method, creates a draw target for a specific Azure backend.
|
|
* Used by CreateOffscreenDrawTarget.
|
|
*/
|
|
mozilla::TemporaryRef<DrawTarget>
|
|
CreateDrawTargetForBackend(mozilla::gfx::BackendType aBackend,
|
|
const mozilla::gfx::IntSize& aSize,
|
|
mozilla::gfx::SurfaceFormat aFormat);
|
|
|
|
/**
|
|
* Initialise the preferred and fallback canvas backends
|
|
* aBackendBitmask specifies the backends which are acceptable to the caller.
|
|
* The backend used is determined by aBackendBitmask and the order specified
|
|
* by the gfx.canvas.azure.backends pref.
|
|
*/
|
|
void InitBackendPrefs(uint32_t aCanvasBitmask, mozilla::gfx::BackendType aCanvasDefault,
|
|
uint32_t aContentBitmask, mozilla::gfx::BackendType aContentDefault);
|
|
|
|
/**
|
|
* returns the first backend named in the pref gfx.canvas.azure.backends
|
|
* which is a component of aBackendBitmask, a bitmask of backend types
|
|
*/
|
|
static mozilla::gfx::BackendType GetCanvasBackendPref(uint32_t aBackendBitmask);
|
|
|
|
/**
|
|
* returns the first backend named in the pref gfx.content.azure.backend
|
|
* which is a component of aBackendBitmask, a bitmask of backend types
|
|
*/
|
|
static mozilla::gfx::BackendType GetContentBackendPref(uint32_t &aBackendBitmask);
|
|
|
|
/**
|
|
* Will return the first backend named in aBackendPrefName
|
|
* allowed by aBackendBitmask, a bitmask of backend types.
|
|
* It also modifies aBackendBitmask to only include backends that are
|
|
* allowed given the prefs.
|
|
*/
|
|
static mozilla::gfx::BackendType GetBackendPref(const char* aBackendPrefName,
|
|
uint32_t &aBackendBitmask);
|
|
/**
|
|
* Decode the backend enumberation from a string.
|
|
*/
|
|
static mozilla::gfx::BackendType BackendTypeForName(const nsCString& aName);
|
|
|
|
static mozilla::TemporaryRef<mozilla::gfx::ScaledFont>
|
|
GetScaledFontForFontWithCairoSkia(mozilla::gfx::DrawTarget* aTarget, gfxFont* aFont);
|
|
|
|
int8_t mAllowDownloadableFonts;
|
|
int8_t mGraphiteShapingEnabled;
|
|
int8_t mOpenTypeSVGEnabled;
|
|
|
|
int8_t mBidiNumeralOption;
|
|
|
|
// whether to always search font cmaps globally
|
|
// when doing system font fallback
|
|
int8_t mFallbackUsesCmaps;
|
|
|
|
// max character limit for words in word cache
|
|
int32_t mWordCacheCharLimit;
|
|
|
|
// max number of entries in word cache
|
|
int32_t mWordCacheMaxEntries;
|
|
|
|
private:
|
|
/**
|
|
* Start up Thebes.
|
|
*/
|
|
static void Init();
|
|
|
|
static void CreateCMSOutputProfile();
|
|
|
|
static void GetCMSOutputProfileData(void *&mem, size_t &size);
|
|
|
|
friend void RecordingPrefChanged(const char *aPrefName, void *aClosure);
|
|
|
|
virtual void GetPlatformCMSOutputProfile(void *&mem, size_t &size);
|
|
|
|
nsRefPtr<gfxASurface> mScreenReferenceSurface;
|
|
mozilla::RefPtr<mozilla::gfx::DrawTarget> mScreenReferenceDrawTarget;
|
|
nsTArray<uint32_t> mCJKPrefLangs;
|
|
nsCOMPtr<nsIObserver> mSRGBOverrideObserver;
|
|
nsCOMPtr<nsIObserver> mFontPrefsObserver;
|
|
nsCOMPtr<nsIObserver> mMemoryPressureObserver;
|
|
|
|
// The preferred draw target backend to use for canvas
|
|
mozilla::gfx::BackendType mPreferredCanvasBackend;
|
|
// The fallback draw target backend to use for canvas, if the preferred backend fails
|
|
mozilla::gfx::BackendType mFallbackCanvasBackend;
|
|
// The backend to use for content
|
|
mozilla::gfx::BackendType mContentBackend;
|
|
// Bitmask of backend types we can use to render content
|
|
uint32_t mContentBackendBitmask;
|
|
|
|
mozilla::widget::GfxInfoCollector<gfxPlatform> mAzureCanvasBackendCollector;
|
|
|
|
mozilla::RefPtr<mozilla::gfx::DrawEventRecorder> mRecorder;
|
|
mozilla::RefPtr<mozilla::gl::SkiaGLGlue> mSkiaGlue;
|
|
};
|
|
|
|
#endif /* GFX_PLATFORM_H */
|