50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/*
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QGL FramebufferMipmap
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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 Lesser 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser 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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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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void reinit();
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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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