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comparison OrthancStone/Sources/OpenGL/OpenGLTextureVolume.h @ 2066:cf3d85eb291c deep-learning

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added class OpenGLTextureVolume
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 04 May 2023 17:18:14 +0200
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2065:15f2e52835a1 2066:cf3d85eb291c
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
7 *
8 * This program is free software: you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public License
10 * as published by the Free Software Foundation, either version 3 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
21 **/
22
23
24 #pragma once
25
26 #include "OpenGLIncludes.h"
27 #include "IOpenGLContext.h"
28
29 #include <Images/ImageAccessor.h>
30
31
32 namespace OrthancStone
33 {
34 namespace OpenGL
35 {
36 class OpenGLTextureVolume : public boost::noncopyable
37 {
38 friend class OpenGLFramebuffer;
39
40 private:
41 OpenGL::IOpenGLContext& context_;
42 GLuint texture_;
43 unsigned int width_;
44 unsigned int height_;
45 unsigned int depth_;
46 Orthanc::PixelFormat format_;
47 bool isLinearInterpolation_;
48
49 /**
50 * Returns the low-level OpenGL handle of the texture
51 * array. Beware to never change the size of the texture using
52 * this handle!
53 **/
54 GLuint GetId() const
55 {
56 return texture_;
57 }
58
59 public:
60 OpenGLTextureVolume(IOpenGLContext& context);
61
62 ~OpenGLTextureVolume();
63
64 unsigned int GetWidth() const
65 {
66 return width_;
67 }
68
69 unsigned int GetHeight() const
70 {
71 return height_;
72 }
73
74 unsigned int GetDepth() const
75 {
76 return depth_;
77 }
78
79 Orthanc::PixelFormat GetFormat() const
80 {
81 return format_;
82 }
83
84 bool IsLinearInterpolation() const
85 {
86 return isLinearInterpolation_;
87 }
88
89 void Setup(Orthanc::PixelFormat format,
90 unsigned int width,
91 unsigned int height,
92 unsigned int depth,
93 bool isLinearInterpolation);
94
95 /**
96 * By default, textures are mirrored at the borders. This
97 * function will set out-of-image access to zero.
98 **/
99 void SetClampingToZero();
100
101 void Bind(GLint location) const;
102
103 void BindAsTextureUnit(GLint location,
104 unsigned int unit) const;
105
106 void Upload(const Orthanc::ImageAccessor& image,
107 unsigned int z);
108
109 size_t GetMemoryBufferSize() const;
110
111 // "targetSize" must be equal to "GetMemoryBufferSize()"
112 void Download(void* targetBuffer,
113 size_t targetSize) const;
114
115 void Download(std::string& target) const;
116 };
117 }
118 }