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comparison Framework/Scene2D/Internals/OpenGLTextureProgram.h @ 591:b66ced2c43d4

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OpenGLTextureProgram
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 26 Apr 2019 12:05:38 +0200
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children 2d8ab34c8c91
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590:5430bcffba57 591:b66ced2c43d4
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
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
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #pragma once
23
24 #include "../../OpenGL/IOpenGLContext.h"
25 #include "../../OpenGL/OpenGLProgram.h"
26 #include "../../OpenGL/OpenGLTexture.h"
27 #include "../../Toolbox/AffineTransform2D.h"
28
29 namespace OrthancStone
30 {
31 namespace Internals
32 {
33 class OpenGLTextureProgram : public boost::noncopyable
34 {
35 private:
36 OpenGL::IOpenGLContext& context_;
37 std::auto_ptr<OpenGL::OpenGLProgram> program_;
38 GLint positionLocation_;
39 GLint textureLocation_;
40 GLuint buffers_[2];
41
42 void InitializeExecution(OpenGL::OpenGLTexture& texture,
43 const AffineTransform2D& transform);
44
45 void FinalizeExecution();
46
47 public:
48 OpenGLTextureProgram(OpenGL::IOpenGLContext& context,
49 const char* fragmentShader);
50
51 ~OpenGLTextureProgram();
52
53 class Execution : public boost::noncopyable
54 {
55 private:
56 OpenGLTextureProgram& that_;
57
58 public:
59 Execution(OpenGLTextureProgram& that,
60 OpenGL::OpenGLTexture& texture,
61 const AffineTransform2D& transform) :
62 that_(that)
63 {
64 that_.InitializeExecution(texture, transform);
65 }
66
67 ~Execution()
68 {
69 that_.FinalizeExecution();
70 }
71
72 void DrawTriangles();
73
74 GLint GetUniformLocation(const std::string& name)
75 {
76 return that_.program_->GetUniformLocation(name);
77 }
78 };
79 };
80 }
81 }