1 files changed, 281 insertions, 0 deletions
diff --git a/gfx/thebes/gfxWindowsPlatform.h b/gfx/thebes/gfxWindowsPlatform.h
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+++ b/gfx/thebes/gfxWindowsPlatform.h
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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/. */
+
+#ifndef GFX_WINDOWS_PLATFORM_H
+#define GFX_WINDOWS_PLATFORM_H
+
+
+/**
+ * XXX to get CAIRO_HAS_D2D_SURFACE, CAIRO_HAS_DWRITE_FONT
+ * and cairo_win32_scaled_font_select_font
+ */
+#include "cairo-win32.h"
+
+#include "gfxCrashReporterUtils.h"
+#include "gfxFontUtils.h"
+#include "gfxWindowsSurface.h"
+#include "gfxFont.h"
+#include "gfxDWriteFonts.h"
+#include "gfxPlatform.h"
+#include "gfxTelemetry.h"
+#include "gfxTypes.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/Atomics.h"
+#include "nsTArray.h"
+#include "nsDataHashtable.h"
+
+#include "mozilla/Mutex.h"
+#include "mozilla/RefPtr.h"
+
+#include <windows.h>
+#include <objbase.h>
+
+#include <dxgi.h>
+
+// This header is available in the June 2010 SDK and in the Win8 SDK
+#include <d3dcommon.h>
+// Win 8.0 SDK types we'll need when building using older sdks.
+#if !defined(D3D_FEATURE_LEVEL_11_1) // defined in the 8.0 SDK only
+#define D3D_FEATURE_LEVEL_11_1 static_cast<D3D_FEATURE_LEVEL>(0xb100)
+#define D3D_FL9_1_REQ_TEXTURE2D_U_OR_V_DIMENSION 2048
+#define D3D_FL9_3_REQ_TEXTURE2D_U_OR_V_DIMENSION 4096
+#endif
+
+namespace mozilla {
+namespace gfx {
+class DrawTarget;
+class FeatureState;
+class DeviceManagerDx;
+}
+namespace layers {
+class DeviceManagerD3D9;
+class ReadbackManagerD3D11;
+}
+}
+struct IDirect3DDevice9;
+struct ID3D11Device;
+struct IDXGIAdapter1;
+
+/**
+ * Utility to get a Windows HDC from a Moz2D DrawTarget.  If the DrawTarget is
+ * not backed by a HDC this will get the HDC for the screen device context
+ * instead.
+ */
+class MOZ_STACK_CLASS DCFromDrawTarget final
+{
+public:
+    DCFromDrawTarget(mozilla::gfx::DrawTarget& aDrawTarget);
+
+    ~DCFromDrawTarget() {
+        if (mNeedsRelease) {
+            ReleaseDC(nullptr, mDC);
+        } else {
+            RestoreDC(mDC, -1);
+        }
+    }
+
+    operator HDC () {
+        return mDC;
+    }
+
+private:
+    HDC mDC;
+    bool mNeedsRelease;
+};
+
+// ClearType parameters set by running ClearType tuner
+struct ClearTypeParameterInfo {
+    ClearTypeParameterInfo() :
+        gamma(-1), pixelStructure(-1), clearTypeLevel(-1), enhancedContrast(-1)
+    { }
+
+    nsString    displayName;  // typically just 'DISPLAY1'
+    int32_t     gamma;
+    int32_t     pixelStructure;
+    int32_t     clearTypeLevel;
+    int32_t     enhancedContrast;
+};
+
+class gfxWindowsPlatform : public gfxPlatform
+{
+  friend class mozilla::gfx::DeviceManagerDx;
+
+public:
+    enum TextRenderingMode {
+        TEXT_RENDERING_NO_CLEARTYPE,
+        TEXT_RENDERING_NORMAL,
+        TEXT_RENDERING_GDI_CLASSIC,
+        TEXT_RENDERING_COUNT
+    };
+
+    gfxWindowsPlatform();
+    virtual ~gfxWindowsPlatform();
+    static gfxWindowsPlatform *GetPlatform() {
+        return (gfxWindowsPlatform*) gfxPlatform::GetPlatform();
+    }
+
+    virtual gfxPlatformFontList* CreatePlatformFontList() override;
+
+    virtual already_AddRefed<gfxASurface>
+      CreateOffscreenSurface(const IntSize& aSize,
+                             gfxImageFormat aFormat) override;
+
+    virtual already_AddRefed<mozilla::gfx::ScaledFont>
+      GetScaledFontForFont(mozilla::gfx::DrawTarget* aTarget, gfxFont *aFont) override;
+
+    enum RenderMode {
+        /* Use GDI and windows surfaces */
+        RENDER_GDI = 0,
+
+        /* Use 32bpp image surfaces and call StretchDIBits */
+        RENDER_IMAGE_STRETCH32,
+
+        /* Use 32bpp image surfaces, and do 32->24 conversion before calling StretchDIBits */
+        RENDER_IMAGE_STRETCH24,
+
+        /* Use Direct2D rendering */
+        RENDER_DIRECT2D,
+
+        /* max */
+        RENDER_MODE_MAX
+    };
+
+    bool IsDirect2DBackend();
+
+    /**
+     * Updates render mode with relation to the current preferences and
+     * available devices.
+     */
+    void UpdateRenderMode();
+
+    /**
+     * Verifies a D2D device is present and working, will attempt to create one
+     * it is non-functional or non-existant.
+     *
+     * \param aAttemptForce Attempt to force D2D cairo device creation by using
+     * cairo device creation routines.
+     */
+    void VerifyD2DDevice(bool aAttemptForce);
+
+    virtual void GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh,
+                                        Script aRunScript,
+                                        nsTArray<const char*>& aFontList) override;
+
+    gfxFontGroup*
+    CreateFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
+                    const gfxFontStyle *aStyle,
+                    gfxTextPerfMetrics* aTextPerf,
+                    gfxUserFontSet *aUserFontSet,
+                    gfxFloat aDevToCssSize) override;
+
+    virtual bool CanUseHardwareVideoDecoding() override;
+
+    /**
+     * Check whether format is supported on a platform or not (if unclear, returns true)
+     */
+    virtual bool IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags) override;
+
+    virtual void CompositorUpdated() override;
+
+    bool DidRenderingDeviceReset(DeviceResetReason* aResetReason = nullptr) override;
+    void SchedulePaintIfDeviceReset() override;
+
+    mozilla::gfx::BackendType GetContentBackendFor(mozilla::layers::LayersBackend aLayers) override;
+
+    // ClearType is not always enabled even when available (e.g. Windows XP)
+    // if either of these prefs are enabled and apply, use ClearType rendering
+    bool UseClearTypeForDownloadableFonts();
+    bool UseClearTypeAlways();
+
+    static void GetDLLVersion(char16ptr_t aDLLPath, nsAString& aVersion);
+
+    // returns ClearType tuning information for each display
+    static void GetCleartypeParams(nsTArray<ClearTypeParameterInfo>& aParams);
+
+    virtual void FontsPrefsChanged(const char *aPref) override;
+
+    void SetupClearTypeParams();
+
+    IDWriteFactory *GetDWriteFactory() { return mDWriteFactory; }
+    inline bool DWriteEnabled() { return !!mDWriteFactory; }
+    inline DWRITE_MEASURING_MODE DWriteMeasuringMode() { return mMeasuringMode; }
+
+    IDWriteRenderingParams *GetRenderingParams(TextRenderingMode aRenderMode)
+    { return mRenderingParams[aRenderMode]; }
+
+public:
+    bool DwmCompositionEnabled();
+
+    mozilla::layers::ReadbackManagerD3D11* GetReadbackManager();
+
+    static bool IsOptimus();
+
+    bool SupportsApzWheelInput() const override {
+      return true;
+    }
+    bool SupportsApzTouchInput() const override;
+
+    // Recreate devices as needed for a device reset. Returns true if a device
+    // reset occurred.
+    bool HandleDeviceReset();
+    void UpdateBackendPrefs();
+
+    virtual already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource() override;
+    static mozilla::Atomic<size_t> sD3D11SharedTextures;
+    static mozilla::Atomic<size_t> sD3D9SharedTextures;
+
+    bool SupportsPluginDirectBitmapDrawing() override {
+      return true;
+    }
+    bool SupportsPluginDirectDXGIDrawing();
+
+    static void RecordContentDeviceFailure(mozilla::gfx::TelemetryDeviceCode aDevice);
+
+protected:
+    bool AccelerateLayersByDefault() override {
+      return true;
+    }
+    void GetAcceleratedCompositorBackends(nsTArray<mozilla::layers::LayersBackend>& aBackends) override;
+    virtual void GetPlatformCMSOutputProfile(void* &mem, size_t &size) override;
+
+    void ImportGPUDeviceData(const mozilla::gfx::GPUDeviceData& aData) override;
+    void ImportContentDeviceData(const mozilla::gfx::ContentDeviceData& aData) override;
+    void BuildContentDeviceData(mozilla::gfx::ContentDeviceData* aOut) override;
+
+protected:
+    RenderMode mRenderMode;
+
+    int8_t mUseClearTypeForDownloadableFonts;
+    int8_t mUseClearTypeAlways;
+
+private:
+    void Init();
+    void InitAcceleration() override;
+
+    void InitializeDevices();
+    void InitializeD3D11();
+    void InitializeD2D();
+    bool InitDWriteSupport();
+    bool InitGPUProcessSupport();
+
+    void DisableD2D(mozilla::gfx::FeatureStatus aStatus, const char* aMessage,
+                    const nsACString& aFailureId);
+
+    void InitializeConfig();
+    void InitializeD3D9Config();
+    void InitializeD3D11Config();
+    void InitializeD2DConfig();
+    void InitializeDirectDrawConfig();
+
+    RefPtr<IDWriteFactory> mDWriteFactory;
+    RefPtr<IDWriteRenderingParams> mRenderingParams[TEXT_RENDERING_COUNT];
+    DWRITE_MEASURING_MODE mMeasuringMode;
+
+    RefPtr<mozilla::layers::ReadbackManagerD3D11> mD3D11ReadbackManager;
+
+    nsTArray<D3D_FEATURE_LEVEL> mFeatureLevels;
+};
+
+#endif /* GFX_WINDOWS_PLATFORM_H */