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https://gitlab.winehq.org/wine/wine-gecko.git
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3c184eea41
As far as I can tell we always draw images to dc's that are in system memory. In this case there's no upside to having ddb and a potential downside because we have to do a readback from gpu into system memory. --HG-- extra : rebase_source : e536721adc1de2bcff3300ee29c2d1c4b8c15ac0
91 lines
2.5 KiB
C++
91 lines
2.5 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_WINDOWSSURFACE_H
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#define GFX_WINDOWSSURFACE_H
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#include "gfxASurface.h"
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#include "gfxImageSurface.h"
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/* include windows.h for the HWND and HDC definitions that we need. */
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#include <windows.h>
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struct IDirect3DSurface9;
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/* undefine LoadImage because our code uses that name */
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#undef LoadImage
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class gfxContext;
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class gfxWindowsSurface : public gfxASurface {
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public:
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enum {
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FLAG_TAKE_DC = (1 << 0),
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FLAG_FOR_PRINTING = (1 << 1),
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FLAG_IS_TRANSPARENT = (1 << 2)
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};
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gfxWindowsSurface(HWND wnd, uint32_t flags = 0);
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gfxWindowsSurface(HDC dc, uint32_t flags = 0);
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// Create from a shared d3d9surface
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gfxWindowsSurface(IDirect3DSurface9 *surface, uint32_t flags = 0);
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// Create a DIB surface
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gfxWindowsSurface(const gfxIntSize& size,
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gfxImageFormat imageFormat = gfxImageFormatRGB24);
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// Create a DDB surface; dc may be nullptr to use the screen DC
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gfxWindowsSurface(HDC dc,
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const gfxIntSize& size,
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gfxImageFormat imageFormat = gfxImageFormatRGB24);
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gfxWindowsSurface(cairo_surface_t *csurf);
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virtual already_AddRefed<gfxASurface> CreateSimilarSurface(gfxContentType aType,
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const gfxIntSize& aSize);
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void InitWithDC(uint32_t flags);
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virtual ~gfxWindowsSurface();
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HDC GetDC();
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HDC GetDCWithClip(gfxContext *);
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already_AddRefed<gfxImageSurface> GetAsImageSurface();
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nsresult BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName);
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nsresult EndPrinting();
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nsresult AbortPrinting();
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nsresult BeginPage();
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nsresult EndPage();
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virtual int32_t GetDefaultContextFlags() const;
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const gfxIntSize GetSize() const;
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void MovePixels(const nsIntRect& aSourceRect,
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const nsIntPoint& aDestTopLeft)
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{
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FastMovePixels(aSourceRect, aDestTopLeft);
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}
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// The memory used by this surface lives in this process's address space,
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// but not in the heap.
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virtual gfxMemoryLocation GetMemoryLocation() const;
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private:
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void MakeInvalid(gfxIntSize& size);
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bool mOwnsDC;
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bool mForPrinting;
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HDC mDC;
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HWND mWnd;
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};
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#endif /* GFX_WINDOWSSURFACE_H */
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