51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/*
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QGLView
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Copyright (C) 2019 Ivan Pelipenko peri4ko@yandex.ru
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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 GLFRAMEBUFFER_MIPMAP_H
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#define GLFRAMEBUFFER_MIPMAP_H
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#include "glframebuffer.h"
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class FramebufferMipmap
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{
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public:
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FramebufferMipmap(const Framebuffer & fb, int index_from_, int levels = 2);
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virtual ~FramebufferMipmap();
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int levelsCount() const {return fbo.size();}
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int lastLevel() const {return fbo.size() - 1;}
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Framebuffer & plane(int level) {return *fbo[level];}
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Framebuffer & lastPlane() {return *fbo[lastLevel()];}
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int width (int level) const {return fbo[level]->wid;}
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int height(int level) const {return fbo[level]->hei;}
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QSize size(int level) const {return fbo[level]->size();}
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QRect rect(int level) const {return fbo[level]->rect();}
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void resize();
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void create();
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private:
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int index_from;
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const Framebuffer & src_fb;
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QVector<Framebuffer*> fbo;
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};
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#endif // GLFRAMEBUFFER_MIPMAP_H
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