All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
d3d11PtexMipmapTexture.h
Go to the documentation of this file.
1 //
2 // Copyright 2013 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
7 // Section 6. Trademarks. is deleted and replaced with:
8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
10 // names, trademarks, service marks, or product names of the Licensor
11 // and its affiliates, except as required to comply with Section 4(c) of
12 // the License and to reproduce the content of the NOTICE file.
13 //
14 // You may obtain a copy of the Apache License at
15 //
16 // http://www.apache.org/licenses/LICENSE-2.0
17 //
18 // Unless required by applicable law or agreed to in writing, software
19 // distributed under the Apache License with the above modification is
20 // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21 // KIND, either express or implied. See the Apache License for the specific
22 // language governing permissions and limitations under the Apache License.
23 //
24 
25 #ifndef OSD_D3D11_PTEX_MIPMAP_TEXTURE_H
26 #define OSD_D3D11_PTEX_MIPMAP_TEXTURE_H
27 
28 #include "../version.h"
29 
30 #include "../osd/nonCopyable.h"
31 
32 class PtexTexture;
33 struct ID3D11Buffer;
34 struct ID3D11Texture2D;
35 struct ID3D11DeviceContext;
36 struct ID3D11ShaderResourceView;
37 
38 namespace OpenSubdiv {
39 namespace OPENSUBDIV_VERSION {
40 
41 namespace Osd {
42 
43 class D3D11PtexMipmapTexture : NonCopyable<D3D11PtexMipmapTexture> {
44 public:
45  static D3D11PtexMipmapTexture * Create(ID3D11DeviceContext *deviceContext,
46  PtexTexture * reader,
47  int maxLevels=10);
48 
51  ID3D11Buffer *GetLayoutTextureBuffer() const { return _layout; }
52 
53  ID3D11ShaderResourceView **GetLayoutSRV() { return &_layoutSRV; }
54 
56  ID3D11Texture2D *GetTexelsTexture() const { return _texels; }
57 
58  ID3D11ShaderResourceView **GetTexelsSRV() { return &_texelsSRV; }
59 
61 
62 private:
64 
65  int _width, // widht / height / depth of the 3D texel buffer
66  _height,
67  _depth;
68 
69  int _format; // texel color format
70 
71  ID3D11Buffer *_layout; // per-face lookup table
72  ID3D11Texture2D *_texels; // texel data
73  ID3D11ShaderResourceView *_layoutSRV;
74  ID3D11ShaderResourceView *_texelsSRV;
75 };
76 
77 } // end namespace Osd
78 
79 } // end namespace OPENSUBDIV_VERSION
80 using namespace OPENSUBDIV_VERSION;
81 
82 } // end namespace OpenSubdiv
83 
84 #endif // OSD_D3D11_PTEX_TEXTURE_H
85 
ID3D11Texture2D * GetTexelsTexture() const
Returns the texels texture array.
static D3D11PtexMipmapTexture * Create(ID3D11DeviceContext *deviceContext, PtexTexture *reader, int maxLevels=10)