Mercurial > hg > orthanc-stone
diff Framework/Scene2D/Internals/OpenGLTextureProgram.h @ 591:b66ced2c43d4
OpenGLTextureProgram
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 26 Apr 2019 12:05:38 +0200 |
parents | |
children | 2d8ab34c8c91 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Scene2D/Internals/OpenGLTextureProgram.h Fri Apr 26 12:05:38 2019 +0200 @@ -0,0 +1,81 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2019 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "../../OpenGL/IOpenGLContext.h" +#include "../../OpenGL/OpenGLProgram.h" +#include "../../OpenGL/OpenGLTexture.h" +#include "../../Toolbox/AffineTransform2D.h" + +namespace OrthancStone +{ + namespace Internals + { + class OpenGLTextureProgram : public boost::noncopyable + { + private: + OpenGL::IOpenGLContext& context_; + std::auto_ptr<OpenGL::OpenGLProgram> program_; + GLint positionLocation_; + GLint textureLocation_; + GLuint buffers_[2]; + + void InitializeExecution(OpenGL::OpenGLTexture& texture, + const AffineTransform2D& transform); + + void FinalizeExecution(); + + public: + OpenGLTextureProgram(OpenGL::IOpenGLContext& context, + const char* fragmentShader); + + ~OpenGLTextureProgram(); + + class Execution : public boost::noncopyable + { + private: + OpenGLTextureProgram& that_; + + public: + Execution(OpenGLTextureProgram& that, + OpenGL::OpenGLTexture& texture, + const AffineTransform2D& transform) : + that_(that) + { + that_.InitializeExecution(texture, transform); + } + + ~Execution() + { + that_.FinalizeExecution(); + } + + void DrawTriangles(); + + GLint GetUniformLocation(const std::string& name) + { + return that_.program_->GetUniformLocation(name); + } + }; + }; + } +}