itsmattkc
663ae56ac4
Once again, conceptually this system should work, however it does not seem to be the most efficient and it wouldn't surprise me if the multithreading was eventually upgraded to an even more coherent system one day. However for "core principles" this should be fairly decent.
97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef OPENGLTEXTURE_H
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#define OPENGLTEXTURE_H
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#include <memory>
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#include <QOpenGLFunctions>
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#include "decoder/frame.h"
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#include "render/pixelformat.h"
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/**
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* @brief A class wrapper around an OpenGL texture
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*/
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class OpenGLTexture : public QObject
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{
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Q_OBJECT
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public:
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enum Type {
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kSingleBuffer,
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kDoubleBuffer
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};
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OpenGLTexture();
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virtual ~OpenGLTexture() override;
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Q_DISABLE_COPY_MOVE(OpenGLTexture)
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void Create(QOpenGLContext* ctx, int width, int height, const olive::PixelFormat &format, void *data = nullptr);
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void Create(QOpenGLContext* ctx, int width, int height, const olive::PixelFormat &format, const Type& type, void *data = nullptr);
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void Create(QOpenGLContext* ctx, FramePtr frame, const Type& type);
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void Create(QOpenGLContext* ctx, FramePtr frame);
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bool IsCreated() const;
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void Bind();
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void Release();
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const int& width() const;
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const int& height() const;
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const olive::PixelFormat &format() const;
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QOpenGLContext* context() const;
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const GLuint& texture() const;
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const GLuint& back_texture() const;
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void SwapFrontAndBack();
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void Upload(const void *data);
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uchar *Download() const;
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public slots:
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void Destroy();
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private:
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void CreateInternal(GLuint *tex, void *data = nullptr);
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QOpenGLContext* context_;
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GLuint texture_;
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GLuint back_texture_;
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int width_;
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int height_;
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olive::PixelFormat format_;
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};
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using OpenGLTexturePtr = std::shared_ptr<OpenGLTexture>;
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Q_DECLARE_METATYPE(OpenGLTexturePtr)
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#endif // OPENGLTEXTURE_H
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