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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef TextureCopier_h | 5 // Temporary forwarding header |
6 #define TextureCopier_h | 6 #include "cc/texture_copier.h" |
7 | |
8 #include "base/basictypes.h" | |
9 #include "GraphicsContext3D.h" | |
10 #include "ProgramBinding.h" | |
11 #include "ShaderChromium.h" | |
12 #include <wtf/OwnPtr.h> | |
13 #include <wtf/PassOwnPtr.h> | |
14 | |
15 namespace WebKit { | |
16 class WebGraphicsContext3D; | |
17 } | |
18 | |
19 namespace cc { | |
20 class IntSize; | |
21 | |
22 class TextureCopier { | |
23 public: | |
24 struct Parameters { | |
25 unsigned sourceTexture; | |
26 unsigned destTexture; | |
27 IntSize size; | |
28 }; | |
29 // Copy the base level contents of |sourceTexture| to |destTexture|. Both te
xture objects | |
30 // must be complete and have a base level of |size| dimensions. The color fo
rmats do not need | |
31 // to match, but |destTexture| must have a renderable format. | |
32 virtual void copyTexture(Parameters) = 0; | |
33 virtual void flush() = 0; | |
34 | |
35 virtual ~TextureCopier() { } | |
36 }; | |
37 | |
38 #if USE(ACCELERATED_COMPOSITING) | |
39 | |
40 class AcceleratedTextureCopier : public TextureCopier { | |
41 public: | |
42 static PassOwnPtr<AcceleratedTextureCopier> create(WebKit::WebGraphicsContex
t3D* context, bool usingBindUniforms) | |
43 { | |
44 return adoptPtr(new AcceleratedTextureCopier(context, usingBindUniforms)
); | |
45 } | |
46 virtual ~AcceleratedTextureCopier(); | |
47 | |
48 virtual void copyTexture(Parameters) OVERRIDE; | |
49 virtual void flush() OVERRIDE; | |
50 | |
51 protected: | |
52 AcceleratedTextureCopier(WebKit::WebGraphicsContext3D*, bool usingBindUnifor
ms); | |
53 | |
54 private: | |
55 typedef ProgramBinding<VertexShaderPosTexIdentity, FragmentShaderRGBATex> Bl
itProgram; | |
56 | |
57 WebKit::WebGraphicsContext3D* m_context; | |
58 Platform3DObject m_fbo; | |
59 Platform3DObject m_positionBuffer; | |
60 OwnPtr<BlitProgram> m_blitProgram; | |
61 bool m_usingBindUniforms; | |
62 | |
63 DISALLOW_COPY_AND_ASSIGN(AcceleratedTextureCopier); | |
64 }; | |
65 | |
66 #endif // USE(ACCELERATED_COMPOSITING) | |
67 | |
68 } | |
69 | |
70 #endif | |
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