Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/OpenGL/OpenGLTextureArray.h @ 2060:86e0e92a2e0d deep-learning
added OpenGLTextureArray and OpenGLFramebuffer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 03 May 2023 16:15:50 +0200 |
parents | |
children | b6b5e1ca1cc2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/OpenGL/OpenGLTextureArray.h Wed May 03 16:15:50 2023 +0200 @@ -0,0 +1,144 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2022 Osimis S.A., Belgium + * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Lesser 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program. If not, see + * <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "OpenGLIncludes.h" +#include "IOpenGLContext.h" + +#include <Images/ImageAccessor.h> + +namespace OrthancStone +{ + namespace OpenGL + { + class OpenGLTextureArray : public boost::noncopyable + { + friend class OpenGLFramebuffer; + + private: + OpenGL::IOpenGLContext& context_; + GLuint texture_; + unsigned int width_; + unsigned int height_; + unsigned int depth_; + Orthanc::PixelFormat format_; + bool isLinearInterpolation_; + + /** + * Returns the low-level OpenGL handle of the texture + * array. Beware to never change the size of the texture using + * this handle! + **/ + GLuint GetId() const + { + return texture_; + } + + public: + OpenGLTextureArray(IOpenGLContext& context); + + ~OpenGLTextureArray(); + + unsigned int GetWidth() const + { + return width_; + } + + unsigned int GetHeight() const + { + return height_; + } + + unsigned int GetDepth() const + { + return depth_; + } + + Orthanc::PixelFormat GetFormat() const + { + return format_; + } + + bool IsLinearInterpolation() const + { + return isLinearInterpolation_; + } + + void Setup(Orthanc::PixelFormat format, + unsigned int width, + unsigned int height, + unsigned int depth, + bool isLinearInterpolation); + + /** + * By default, textures are mirrored at the borders. This + * function will set out-of-image access to zero. + **/ + void SetClampingToZero(); + + void Bind(GLint location) const; + + void BindAsTextureUnit(GLint location, + unsigned int unit) const; + + void Upload(const Orthanc::ImageAccessor& image, + unsigned int layer); + + class DownloadedVolume : public boost::noncopyable + { + private: + std::string buffer_; + Orthanc::PixelFormat format_; + unsigned int width_; + unsigned int height_; + unsigned int depth_; + + public: + DownloadedVolume(const OpenGLTextureArray& texture); + + Orthanc::PixelFormat GetFormat() const + { + return format_; + } + + unsigned int GetWidth() const + { + return width_; + } + + unsigned int GetHeight() const + { + return height_; + } + + unsigned int GetDepth() const + { + return depth_; + } + + Orthanc::ImageAccessor* GetLayer(unsigned int layer) const; + }; + }; + } +}