Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2D/Internals/OpenGLTextureProgram.h @ 1852:5ead1852095a StoneWebViewer-2.1
StoneWebViewer-2.1
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 29 Jun 2021 16:26:47 +0200 |
parents | 9ac2a65d4172 |
children | 3889ae96d2e9 |
rev | line source |
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591 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
591 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
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8 * modify it under the terms of the GNU Lesser General Public License |
591 | 9 * as published by the Free Software Foundation, either version 3 of |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
591 | 20 **/ |
21 | |
22 | |
23 #pragma once | |
24 | |
25 #include "../../OpenGL/IOpenGLContext.h" | |
26 #include "../../OpenGL/OpenGLProgram.h" | |
27 #include "../../OpenGL/OpenGLTexture.h" | |
28 #include "../../Toolbox/AffineTransform2D.h" | |
29 | |
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30 #include <Compatibility.h> |
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31 |
591 | 32 namespace OrthancStone |
33 { | |
34 namespace Internals | |
35 { | |
36 class OpenGLTextureProgram : public boost::noncopyable | |
37 { | |
38 private: | |
39 OpenGL::IOpenGLContext& context_; | |
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40 std::unique_ptr<OpenGL::OpenGLProgram> program_; |
591 | 41 GLint positionLocation_; |
42 GLint textureLocation_; | |
43 GLuint buffers_[2]; | |
44 | |
45 void InitializeExecution(OpenGL::OpenGLTexture& texture, | |
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46 const AffineTransform2D& transform, |
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47 unsigned int canvasWidth, |
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48 unsigned int canvasHeight); |
591 | 49 |
50 void FinalizeExecution(); | |
51 | |
52 public: | |
53 OpenGLTextureProgram(OpenGL::IOpenGLContext& context, | |
54 const char* fragmentShader); | |
55 | |
56 ~OpenGLTextureProgram(); | |
57 | |
58 class Execution : public boost::noncopyable | |
59 { | |
60 private: | |
61 OpenGLTextureProgram& that_; | |
62 | |
63 public: | |
64 Execution(OpenGLTextureProgram& that, | |
65 OpenGL::OpenGLTexture& texture, | |
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66 const AffineTransform2D& transform, |
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67 unsigned int canvasWidth, |
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68 unsigned int canvasHeight) : |
591 | 69 that_(that) |
70 { | |
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71 that_.InitializeExecution(texture, transform, canvasWidth, canvasHeight); |
591 | 72 } |
73 | |
74 ~Execution() | |
75 { | |
76 that_.FinalizeExecution(); | |
77 } | |
78 | |
79 void DrawTriangles(); | |
80 | |
81 GLint GetUniformLocation(const std::string& name) | |
82 { | |
83 return that_.program_->GetUniformLocation(name); | |
84 } | |
85 }; | |
86 }; | |
87 } | |
88 } |