1 : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 : * ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Mozilla Corporation code.
16 : *
17 : * The Initial Developer of the Original Code is Mozilla Foundation.
18 : * Portions created by the Initial Developer are Copyright (C) 2010
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : * Vladimir Vukicevic <vladimir@pobox.com>
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either the GNU General Public License Version 2 or later (the "GPL"), or
26 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
28 : * of those above. If you wish to allow use of your version of this file only
29 : * under the terms of either the GPL or the LGPL, and not to allow others to
30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #ifndef GFX_CANVASLAYEROGL_H
39 : #define GFX_CANVASLAYEROGL_H
40 :
41 :
42 : #include "LayerManagerOGL.h"
43 : #include "gfxASurface.h"
44 : #if defined(MOZ_WIDGET_GTK2) && !defined(MOZ_PLATFORM_MAEMO)
45 : #include "GLXLibrary.h"
46 : #include "mozilla/X11Util.h"
47 : #endif
48 :
49 : namespace mozilla {
50 : namespace layers {
51 :
52 : class THEBES_API CanvasLayerOGL :
53 : public CanvasLayer,
54 : public LayerOGL
55 : {
56 : public:
57 0 : CanvasLayerOGL(LayerManagerOGL *aManager)
58 : : CanvasLayer(aManager, NULL),
59 : LayerOGL(aManager),
60 : mTexture(0),
61 : mDelayedUpdates(false)
62 : #if defined(MOZ_WIDGET_GTK2) && !defined(MOZ_PLATFORM_MAEMO)
63 0 : ,mPixmap(0)
64 : #endif
65 : {
66 0 : mImplData = static_cast<LayerOGL*>(this);
67 0 : }
68 0 : ~CanvasLayerOGL() { Destroy(); }
69 :
70 : // CanvasLayer implementation
71 : virtual void Initialize(const Data& aData);
72 :
73 : // LayerOGL implementation
74 : virtual void Destroy();
75 0 : virtual Layer* GetLayer() { return this; }
76 : virtual void RenderLayer(int aPreviousFrameBuffer,
77 : const nsIntPoint& aOffset);
78 : virtual void CleanupResources();
79 :
80 : protected:
81 : void UpdateSurface();
82 :
83 : nsRefPtr<gfxASurface> mCanvasSurface;
84 : nsRefPtr<GLContext> mCanvasGLContext;
85 : gl::ShaderProgramType mLayerProgram;
86 : RefPtr<gfx::DrawTarget> mDrawTarget;
87 :
88 : void MakeTexture();
89 : GLuint mTexture;
90 :
91 : bool mDelayedUpdates;
92 : bool mGLBufferIsPremultiplied;
93 : bool mNeedsYFlip;
94 : #if defined(MOZ_WIDGET_GTK2) && !defined(MOZ_PLATFORM_MAEMO)
95 : GLXPixmap mPixmap;
96 : #endif
97 : };
98 :
99 : // NB: eventually we'll have separate shadow canvas2d and shadow
100 : // canvas3d layers, but currently they look the same from the
101 : // perspective of the compositor process
102 : class ShadowCanvasLayerOGL : public ShadowCanvasLayer,
103 : public LayerOGL
104 : {
105 : typedef gl::TextureImage TextureImage;
106 :
107 : public:
108 : ShadowCanvasLayerOGL(LayerManagerOGL* aManager);
109 : virtual ~ShadowCanvasLayerOGL();
110 :
111 : // CanvasLayer impl
112 : virtual void Initialize(const Data& aData);
113 : virtual void Init(const CanvasSurface& aNewFront, bool needYFlip);
114 :
115 : // This isn't meaningful for shadow canvas.
116 0 : virtual void Updated(const nsIntRect&) {}
117 :
118 : // ShadowCanvasLayer impl
119 : virtual void Swap(const CanvasSurface& aNewFront,
120 : bool needYFlip,
121 : CanvasSurface* aNewBack);
122 :
123 : virtual void DestroyFrontBuffer();
124 :
125 : virtual void Disconnect();
126 :
127 : // LayerOGL impl
128 : void Destroy();
129 : Layer* GetLayer();
130 : virtual void RenderLayer(int aPreviousFrameBuffer,
131 : const nsIntPoint& aOffset);
132 : virtual void CleanupResources();
133 :
134 : private:
135 : nsRefPtr<TextureImage> mTexImage;
136 :
137 : bool mNeedsYFlip;
138 : };
139 :
140 : } /* layers */
141 : } /* mozilla */
142 : #endif /* GFX_IMAGELAYEROGL_H */
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