DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (1aeaa33a64f9)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191
/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
/* Cairo - a vector graphics library with display and print output
 *
 * Copyright © 2010 Mozilla Foundation
 *
 * This library is free software; you can redistribute it and/or
 * modify it either under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation
 * (the "LGPL") or, at your option, under the terms of the Mozilla
 * Public License Version 1.1 (the "MPL"). If you do not alter this
 * notice, a recipient may use your version of this file under either
 * the MPL or the LGPL.
 *
 * You should have received a copy of the LGPL along with this library
 * in the file COPYING-LGPL-2.1; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 * You should have received a copy of the MPL along with this library
 * in the file COPYING-MPL-1.1
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
 * OF ANY KIND, either express or implied. See the LGPL or the MPL for
 * the specific language governing rights and limitations.
 *
 * The Original Code is the cairo graphics library.
 *
 * The Initial Developer of the Original Code is the Mozilla Foundation
 *
 * Contributor(s):
 *	Bas Schouten <bschouten@mozilla.com>
 */
#ifndef CAIRO_D2D_PRIVATE_H
#define CAIRO_D2D_PRIVATE_H

#ifdef CAIRO_HAS_D2D_SURFACE

#include <windows.h>
#include <d2d1.h>
#include <d3d10.h>
#include <dxgi.h>

#include "cairoint.h"
#include "cairo-surface-clipper-private.h"

#include "cairo-win32-refptr.h"
#include "cairo-d2d-private-fx.h"
#include "cairo-win32.h"
#include "cairo-list-private.h"

/* describes the type of the currently applied clip so that we can pop it */
struct d2d_clip_t;

#define MAX_OPERATORS CAIRO_OPERATOR_HSL_LUMINOSITY + 1

struct _cairo_d2d_device
{
    cairo_device_t base;

    HMODULE mD3D10_1;
    RefPtr<ID3D10Device1> mD3D10Device;
    RefPtr<ID3D10Effect> mSampleEffect;
    RefPtr<ID3D10InputLayout> mInputLayout;
    RefPtr<ID3D10Buffer> mQuadBuffer;
    RefPtr<ID3D10RasterizerState> mRasterizerState;
    RefPtr<ID3D10BlendState> mBlendStates[MAX_OPERATORS];
    /** Texture used for manual glyph rendering */
    RefPtr<ID3D10Texture2D> mTextTexture;
    RefPtr<ID3D10ShaderResourceView> mTextTextureView;
    int mVRAMUsage;
};

const unsigned int TEXT_TEXTURE_WIDTH = 2048;
const unsigned int TEXT_TEXTURE_HEIGHT = 512;
typedef struct _cairo_d2d_device cairo_d2d_device_t;

struct _cairo_d2d_surface {
    _cairo_d2d_surface() : d2d_clip(NULL), clipping(false), isDrawing(false),
            textRenderingState(TEXT_RENDERING_UNINITIALIZED)
    {
	_cairo_clip_init (&this->clip);
        cairo_list_init(&this->dependent_surfaces);
    }
    
    ~_cairo_d2d_surface();


    cairo_surface_t base;
    /* Device used by this surface 
     * NOTE: In upstream cairo this is in the surface base class */
    cairo_d2d_device_t *device;

    /** Render target of the texture we render to */
    RefPtr<ID2D1RenderTarget> rt;
    /** Surface containing our backstore */
    RefPtr<ID3D10Resource> surface;
    /** 
     * Surface used to temporarily store our surface if a bitmap isn't available
     * straight from our render target surface.
     */
    RefPtr<ID3D10Texture2D> bufferTexture;
    /** Backbuffer surface hwndrt renders to (NULL if not a window surface) */
    RefPtr<IDXGISurface> backBuf;
    /** Bitmap shared with texture and rendered to by rt */
    RefPtr<ID2D1Bitmap> surfaceBitmap;
    /** Swap chain holding our backbuffer (NULL if not a window surface) */
    RefPtr<IDXGISwapChain> dxgiChain;
    /** Window handle of the window we belong to */
    HWND hwnd;
    /** Format of the surface */
    cairo_format_t format;

    cairo_clip_t clip;
    d2d_clip_t *d2d_clip;


    /** Mask layer used by surface_mask to push opacity masks */
    RefPtr<ID2D1Layer> maskLayer;
    /**
     * Layer used for clipping when tiling, and also for clearing out geometries
     * - lazily initialized 
     */
    RefPtr<ID2D1Layer> helperLayer;
    /** If this layer currently is clipping, used to prevent excessive push/pops */
    bool clipping;
    /** Brush used for bitmaps */
    RefPtr<ID2D1BitmapBrush> bitmapBrush;
    /** Brush used for solid colors */
    RefPtr<ID2D1SolidColorBrush> solidColorBrush;
    /** Indicates if our render target is currently in drawing mode */
    bool isDrawing;
    /** Indicates if text rendering is initialized */
    enum TextRenderingState {
        TEXT_RENDERING_UNINITIALIZED,
        TEXT_RENDERING_NO_CLEARTYPE,
        TEXT_RENDERING_NORMAL,
        TEXT_RENDERING_GDI_CLASSIC
    };
    TextRenderingState textRenderingState;

    RefPtr<ID3D10RenderTargetView> buffer_rt_view;
    RefPtr<ID3D10ShaderResourceView> buffer_sr_view;

    // Other d2d surfaces which depend on this one and need to be flushed if
    // it is drawn to. This is required for situations where this surface is
    // drawn to another surface, but may be modified before the other surface
    // has flushed. When the flush of the other surface then happens and the
    // drawing command is actually executed, the contents of this surface will
    // no longer be what it was when the drawing command was issued.
    cairo_list_t dependent_surfaces;
    //cairo_surface_clipper_t clipper;
};
typedef struct _cairo_d2d_surface cairo_d2d_surface_t;

struct _cairo_d2d_surface_entry
{
    cairo_list_t link;
    cairo_d2d_surface_t *surface;
};

typedef HRESULT (WINAPI*D2D1CreateFactoryFunc)(
    D2D1_FACTORY_TYPE factoryType,
    REFIID iid,
    CONST D2D1_FACTORY_OPTIONS *pFactoryOptions,
    void **factory
);

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*D3D10CreateEffectFromMemoryFunc)(
    void *pData,
    SIZE_T DataLength,
    UINT FXFlags,
    ID3D10Device *pDevice, 
    ID3D10EffectPool *pEffectPool,
    ID3D10Effect **ppEffect
);

#endif /* CAIRO_HAS_D2D_SURFACE */
#endif /* CAIRO_D2D_PRIVATE_H */