initial commit

2020-08-25 21:57:31 +03:00
commit 3e29fd4373
166 changed files with 24675 additions and 0 deletions
--- a/core/glbuffer.cpp
+++ b/core/glbuffer.cpp
@@ -0,0 +1,88 @@
+/*
+	QGL Buffer
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#define GL_GLEXT_PROTOTYPES
+#include <QOpenGLExtraFunctions>
+#include "glbuffer.h"
+
+
+Buffer::Buffer(GLenum target, GLenum _usage) {
+	target_ = target;
+	usage_ = _usage;
+	buffer_ = 0;
+	prev_size = 0;
+}
+
+
+Buffer::~Buffer() {
+}
+
+
+void Buffer::init(QOpenGLExtraFunctions * f) {
+	if (!isInit()) {
+		f->glGenBuffers(1, &buffer_);
+	}
+}
+
+
+void Buffer::destroy(QOpenGLExtraFunctions * f) {
+	if (buffer_ != 0) {
+		f->glDeleteBuffers(1, &buffer_);
+	}
+	buffer_ = 0;
+}
+
+
+void Buffer::bind(QOpenGLExtraFunctions * f) {
+	//qDebug() << "bind" << target_ << buffer_;
+	f->glBindBuffer(target_, buffer_);
+}
+
+
+void Buffer::release(QOpenGLExtraFunctions * f) {
+	f->glBindBuffer(target_, 0);
+}
+
+
+void * Buffer::map(QOpenGLExtraFunctions * f, GLbitfield mode, int size) {
+	if (size < 0) size = prev_size;
+	return f->glMapBufferRange(target_, 0, size, mode);
+}
+
+
+void Buffer::unmap(QOpenGLExtraFunctions * f) {
+	f->glUnmapBuffer(target_);
+}
+
+
+bool Buffer::resize(QOpenGLExtraFunctions * f, int new_size) {
+	if (new_size <= 0) return false;
+	//qDebug() << "check resize buffer" << buffer_ << "bytes" << new_size << ", old =" << prev_size;
+	if (new_size <= prev_size) return false;
+	prev_size = new_size;
+	//qDebug() << "resize buffer " << buffer_ << target_ << "for" << new_size << "bytes";
+	f->glBufferData(target_, new_size, 0, usage_);
+	return true;
+}
+
+
+void Buffer::load(QOpenGLExtraFunctions * f, const void * data, int size, int offset) {
+	if (!data || size <= 0) return;
+	//qDebug() << "load buffer" << buffer_ << "bytes" << size;
+	f->glBufferSubData(target_, offset, size, data);
+}
--- a/core/glbuffer.h
+++ b/core/glbuffer.h
@@ -0,0 +1,58 @@
+/*
+	QGL Buffer
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLBUFFER_H
+#define GLBUFFER_H
+
+#include "gltypes.h"
+
+
+class Buffer
+{
+	friend class ObjectBase;
+public:
+	Buffer(GLenum target, GLenum usage = GL_DYNAMIC_DRAW);
+	~Buffer();
+
+	void init    (QOpenGLExtraFunctions * f);
+	void destroy (QOpenGLExtraFunctions * f);
+
+	void bind    (QOpenGLExtraFunctions * f);
+	void release (QOpenGLExtraFunctions * f);
+	void * map   (QOpenGLExtraFunctions * f, GLbitfield mode, int size = -1);
+	void unmap   (QOpenGLExtraFunctions * f);
+
+	// returns true if size changed
+	bool resize  (QOpenGLExtraFunctions * f, int new_size);
+	void load    (QOpenGLExtraFunctions * f, const void * data, int size, int offset = 0);
+
+	GLuint ID() const {return buffer_;}
+	GLenum usage() const {return usage_;}
+	GLenum target() const {return target_;}
+	void setTarget(GLenum t) {target_ = t;}
+	bool isInit() const {return buffer_ != 0;}
+
+private:
+	GLenum target_, usage_;
+	GLuint buffer_;
+	int prev_size;
+
+};
+
+
+#endif // GLBUFFER_H
--- a/core/glcubemap.cpp
+++ b/core/glcubemap.cpp
@@ -0,0 +1,281 @@
+/*
+	QGL CubeTexture
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#include "gltypes.h"
+#include "glcubemap.h"
+#include "hdr_p.h"
+
+using namespace QGLEngineShaders;
+
+
+QVector<QVector3D> loadFileHDR(const QString & path, QSize * size) {
+	if (size) *size = QSize();
+	QVector<QVector3D> ret;
+	QFile f(path);
+	if (!f.open(QIODevice::ReadOnly)) {
+		qDebug() << "[QGLEngine] Can`t open" << path;
+		return ret;
+	}
+	QTextStream ts(&f);
+	QString line = ts.readLine(256);
+	if (line != "#?RADIANCE") return ret;
+	QSize sz;
+	while (!ts.atEnd()) {
+		line = ts.readLine(256);
+		if (line.startsWith("FORMAT")) {
+			line.remove(0, 7);
+			if (!line.startsWith("32-bit")) {
+				qDebug() << "[QGLEngine] File" << path << "has unknown format!";
+				return ret;
+			}
+		}
+		if (line.mid(1, 2) == "Y ") {
+			QStringList sl = line.trimmed().split(" ");
+			sl.removeAll("");
+			if (sl.size() != 4) {
+				qDebug() << "[QGLEngine] File" << path << "has unknown size!";
+				return ret;
+			}
+			sz.setWidth (sl[3].toInt());
+			sz.setHeight(sl[1].toInt());
+			//qDebug() << "found size" << sz;
+			break;
+		}
+	}
+	if (sz.isEmpty()) return ret;
+	f.seek(ts.pos());
+	QDataStream ds(&f);
+	int count = sz.width() * sz.height();
+	QVector<float> data(count*3);
+	if (!RGBE_ReadPixels_RLE(&ds, data.data(), sz.width(), sz.height()))
+		return ret;
+
+	if (size) *size = sz;
+	ret.resize(count);
+	//QColor col;
+	//QImage im(sz, QImage::Format_ARGB32);
+	//QRgb * imdata = (QRgb*)im.bits();
+	for (int i = 0; i < count; ++i) {
+		QVector3D p(pow(data[i*3 + 2], 1. / 2.2),
+					pow(data[i*3 + 1], 1. / 2.2),
+					pow(data[i*3 + 0], 1. / 2.2));
+		ret[i] = p;
+		//col = QColor::fromRgbF(piClamp(p[0], 0.f, 1.f),
+		//					   piClamp(p[1], 0.f, 1.f),
+		//					   piClamp(p[2], 0.f, 1.f));
+		//imdata[i] = col.rgb();
+	}
+	//im.save("_hdr.png");
+
+	return ret;
+}
+
+
+//#define GL_TEXTURE_CUBE_MAP_POSITIVE_X    0x8515
+//#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X    0x8516
+//#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y    0x8517
+//#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y    0x8518
+//#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z    0x8519
+//#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z    0x851A
+QVector<QVector3D> faceHDR(const QVector<QVector3D> & data, QSize sz, QSize & fsz, int face) {
+	QVector<QVector3D> ret;
+	if (data.isEmpty() || sz.isNull()) return ret;
+	QRect fr;
+	int fw = sz.width () / 4;
+	int fh = sz.height() / 3;
+	fsz = QSize(fw, fh);
+	ret.reserve(fw * fh);
+	switch (face) {
+	case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+		fr.setRect(fw, fh, fw, fh);
+		for (int x = fr.left(); x <= fr.right(); ++x) {
+			for (int y = fr.top(); y <= fr.bottom(); ++y) {
+				ret << data[y*sz.width() + x];
+			}
+		}
+		break;
+	case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+		fr.setRect(fw*3, fh, fw, fh);
+		for (int x = fr.right(); x >= fr.left(); --x) {
+			for (int y = fr.bottom(); y >= fr.top(); --y) {
+				ret << data[y*sz.width() + x];
+			}
+		}
+		break;
+	case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+		fr.setRect( 0, fh, fw, fh);
+		for (int y = fr.bottom(); y >= fr.top(); --y) {
+			for (int x = fr.left(); x <= fr.right(); ++x) {
+				ret << data[y*sz.width() + x];
+			}
+		}
+		break;
+	case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+		fr.setRect(fw*2, fh, fw, fh);
+		for (int y = fr.top(); y <= fr.bottom(); ++y) {
+			for (int x = fr.right(); x >= fr.left(); --x) {
+				ret << data[y*sz.width() + x];
+			}
+		}
+		break;
+	case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+		fr.setRect(fw,  0, fw, fh);
+		for (int x = fr.left(); x <= fr.right(); ++x) {
+			for (int y = fr.top(); y <= fr.bottom(); ++y) {
+				ret << data[y*sz.width() + x];
+			}
+		}
+		break;
+	case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+		fr.setRect(fw,  fh*2, fw, fh);
+		for (int x = fr.left(); x <= fr.right(); ++x) {
+			for (int y = fr.top(); y <= fr.bottom(); ++y) {
+				ret << data[y*sz.width() + x];
+			}
+		}
+		break;
+	default: break;
+	}
+	if (fr.isEmpty()) return ret;
+	//qDebug() << ret.size() << fr;
+	return ret;
+}
+
+
+
+CubeTexture::CubeTexture(QOpenGLExtraFunctions * f_, int _size, const GLenum & _format): f(f_) {
+	size = _size;
+	format_ = _format;
+	id_ = 0;
+	changed_ = false;
+}
+
+
+bool CubeTexture::init() {
+	if (isInit()) return true;
+	f->glGenTextures(1, &id_);
+	f->glBindTexture(GL_TEXTURE_CUBE_MAP, id_);
+	f->glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+	f->glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	f->glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
+	f->glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+	f->glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+	//glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
+	//glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
+	//glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
+	//glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
+	//glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
+	//glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
+	//glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
+	changed_ = false;
+	return id_ > 0;
+}
+
+
+void CubeTexture::destroy() {
+	if (!isInit()) return;
+	f->glDeleteTextures(1, &id_);
+	id_ = 0;
+}
+
+
+void CubeTexture::bind(int channel) {
+	init();
+	f->glActiveTexture(GL_TEXTURE0 + channel);
+	f->glBindTexture(GL_TEXTURE_CUBE_MAP, id_);
+}
+
+
+void CubeTexture::release() {
+	f->glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
+}
+
+
+void CubeTexture::loadHDR(const QVector<QVector3D> & data, QSize sz) {
+	bind();
+	QSize fsz;
+	QVector<QVector3D> fd;
+	for (int i = 0; i < 6; ++i) {
+		fd = faceHDR(data, sz, fsz, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i);
+		//qDebug() << "load cube" << fd[0];
+		//f->glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
+		f->glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, format_, fsz.width(), fsz.height(), 0, GL_RGB, GL_FLOAT, fd.isEmpty() ? 0 : fd.constData());
+		//qDebug() << QString::number(GetLastError(), 16);
+	}
+	f->glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
+}
+
+
+void CubeTexture::setFileHDR(const QString & path) {
+	hdr_path = path;
+	changed_ = true;
+}
+
+
+void CubeTexture::load() {
+	if (!changed_) return;
+	init();
+	if (!hdr_path.isEmpty()) {
+		QSize sz;
+		QVector<QVector3D> data = loadFileHDR(hdr_path, &sz);
+		loadHDR(data, sz);
+	} else {
+		destroy();
+		bind();
+		for (int i = 0; i < 6; ++i) {
+			f->glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, format_, 1, 1, 0, GL_RGB, GL_FLOAT, 0);
+		}
+		f->glGenerateMipmap(GL_TEXTURE_CUBE_MAP);
+	}
+	changed_ = false;
+}
+
+/*
+void CubeTexture::load() {
+	if (isEmpty()) return;
+	create();
+	if (!path(0).isEmpty()) loadFront(path(0));
+	if (!path(1).isEmpty()) loadBack(path(1));
+	if (!path(2).isEmpty()) loadLeft(path(2));
+	if (!path(3).isEmpty()) loadRight(path(3));
+	if (!path(4).isEmpty()) loadTop(path(4));
+	if (!path(5).isEmpty()) loadBottom(path(5));
+}
+
+
+void CubeTexture::loadFromDirectory(const QString & dir) {
+	QDir d(dir); QFileInfoList sl;
+	sl = d.entryInfoList(QStringList("front.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadFront(sl[0].absoluteFilePath());
+	sl = d.entryInfoList(QStringList("back.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadBack(sl[0].absoluteFilePath());
+	sl = d.entryInfoList(QStringList("left.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadLeft(sl[0].absoluteFilePath());
+	sl = d.entryInfoList(QStringList("right.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadRight(sl[0].absoluteFilePath());
+	sl = d.entryInfoList(QStringList("top.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadTop(sl[0].absoluteFilePath());
+	sl = d.entryInfoList(QStringList("bottom.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadBottom(sl[0].absoluteFilePath());
+}
+
+
+void CubeTexture::loadPathesFromDirectory(const QString & dir) {
+	QDir d(dir); QFileInfoList sl;
+	sl = d.entryInfoList(QStringList("front.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[0] = sl[0].absoluteFilePath();
+	sl = d.entryInfoList(QStringList("back.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[1] = sl[0].absoluteFilePath();
+	sl = d.entryInfoList(QStringList("left.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[2] = sl[0].absoluteFilePath();
+	sl = d.entryInfoList(QStringList("right.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[3] = sl[0].absoluteFilePath();
+	sl = d.entryInfoList(QStringList("top.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[4] = sl[0].absoluteFilePath();
+	sl = d.entryInfoList(QStringList("bottom.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[5] = sl[0].absoluteFilePath();
+}
+*/
--- a/core/glcubemap.h
+++ b/core/glcubemap.h
@@ -0,0 +1,67 @@
+/*
+	QGL CubeTexture
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLCUBEMAP_H
+#define GLCUBEMAP_H
+
+#include "glshaders_types.h"
+#include "chunkstream.h"
+
+QVector<QVector3D> loadFileHDR(const QString & path, QSize * size = 0);
+
+class CubeTexture {
+public:
+	CubeTexture(QOpenGLExtraFunctions * f_, int _size, const GLenum & _format = GL_RGB16F);
+	bool init();
+	void destroy();
+	void bind(int channel = 0);
+	void release();
+	void resize(int _size) {size = _size; changed_ = true;}
+	void loadHDR(const QVector<QVector3D> & data, QSize sz);
+	void setFileHDR(const QString & path);
+	QString fileHDR() const {return hdr_path;}
+	//void loadFromDirectory(const QString & dir);
+	//void loadFront(const QString & path) {bind(); pathes[0] = path; createGLTexture(id_, rotateQImageLeft(QImage(path)).scaled(size, size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation), format_, GL_TEXTURE_CUBE_MAP_POSITIVE_X);}
+	//void loadBack(const QString & path) {bind(); pathes[1] = path; createGLTexture(id_, rotateQImageRight(QImage(path)).scaled(size, size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation), format_, GL_TEXTURE_CUBE_MAP_NEGATIVE_X);}
+	//void loadLeft(const QString & path) {bind(); pathes[2] = path; createGLTexture(id_, QImage(path).scaled(size, size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation), format_, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y);}
+	//void loadRight(const QString & path) {bind(); pathes[3] = path; createGLTexture(id_, rotateQImage180(QImage(path)).scaled(size, size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation), format_, GL_TEXTURE_CUBE_MAP_POSITIVE_Y);}
+	//void loadTop(const QString & path) {bind(); pathes[4] = path; createGLTexture(id_, rotateQImageLeft(QImage(path)).scaled(size, size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation), format_, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z);}
+	//void loadBottom(const QString & path) {bind(); pathes[5] = path; createGLTexture(id_, rotateQImageLeft(QImage(path)).scaled(size, size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation), format_, GL_TEXTURE_CUBE_MAP_POSITIVE_Z);}
+	//void load();
+	//bool isEmpty() const {foreach (const QString & i, pathes) if (!i.isEmpty()) return false; return true;}
+	GLenum format() const {return format_;}
+	void setFormat(GLenum f) {format_ = f; changed_ = true;}
+	GLuint id() const {return id_;}
+	bool isInit() const {return id_ != 0;}
+	//const QString & path(int side) const {return pathes[side];}
+	//void setPath(int side, const QString & p) {pathes[side] = p;}
+	//void loadPathesFromDirectory(const QString & dir);
+	void load();
+private:
+
+	QOpenGLExtraFunctions * f;
+	bool changed_;
+	int size;
+	GLenum format_;
+	GLuint id_;
+	QString hdr_path;
+	//QVector<QString> pathes;
+};
+
+
+#endif // GLCUBEMAP_H
--- a/core/glframebuffer.cpp
+++ b/core/glframebuffer.cpp
@@ -0,0 +1,315 @@
+/*
+	QGL Framebuffer
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#include <QOpenGLExtraFunctions>
+#include "glframebuffer.h"
+#include <QTime>
+
+
+Framebuffer::Framebuffer(QOpenGLExtraFunctions * f_, int colorAttachments_, bool withDepth, GLenum colorFormat_, GLenum _target): f(f_),
+		pbo(GL_PIXEL_PACK_BUFFER, GL_STREAM_DRAW) {
+	is_depth = withDepth;
+	target_ = _target;
+	color_formats.fill(colorFormat_, colorAttachments_);
+	colors.fill(0, colorAttachments_);
+	fbo = drbo = 0;
+	tex_d = 0;
+	wid = hei = 0;
+	pbo_queried = 0;
+	is_changed = false;
+}
+
+
+Framebuffer::Framebuffer(QOpenGLExtraFunctions * f_, QVector<GLenum> colors_, bool withDepth, GLenum _target): f(f_),
+		pbo(GL_PIXEL_PACK_BUFFER, GL_STREAM_DRAW) {
+	is_depth = withDepth;
+	target_ = _target;
+	color_formats = colors_;
+	colors.fill(0, colors_.size());
+	fbo = drbo = 0;
+	tex_d = 0;
+	wid = hei = 0;
+	pbo_queried = 0;
+	is_changed = false;
+}
+
+
+Framebuffer::~Framebuffer() {
+	deleteGLFramebuffer(fbo);
+	deleteGLRenderbuffer(drbo);
+	for (int i = 0; i < colors.size(); ++i)
+		deleteGLTexture(f, colors[i]);
+	deleteGLTexture(f, tex_d);
+}
+
+
+void Framebuffer::resize(int width, int height, bool force) {
+	if ((wid == width) && (hei == height) && !force) return;
+	wid = width;
+	hei = height;
+	deleteGLFramebuffer(fbo);
+	f->glGenFramebuffers(1, &fbo);
+	f->glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+	for (int i = 0; i < colors.size(); ++i) {
+		deleteGLTexture(f, colors[i]);
+		createGLTexture(f, colors[i], width, height, color_formats[i], target_);
+		f->glTexParameteri(target_, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+		f->glTexParameteri(target_, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+		f->glTexParameteri(target_, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+		f->glTexParameteri(target_, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+		f->glTexParameteri(target_, GL_TEXTURE_MAX_LEVEL, 4);
+		//f->glTexParameteri(target_, GL_GENERATE_MIPMAP_SGIS, GL_FALSE);
+		f->glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i, target_, colors[i], 0);
+	}
+	if (is_depth) {
+		deleteGLTexture(f, tex_d);
+		deleteGLRenderbuffer(drbo);
+		f->glGenRenderbuffers(1, &drbo);
+		f->glBindRenderbuffer(GL_RENDERBUFFER, drbo);
+		f->glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, width, height);
+		f->glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, drbo);
+		createGLTexture(f, tex_d, width, height, GL_DEPTH_COMPONENT);
+		f->glTexParameteri(target_, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+		f->glTexParameteri(target_, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+		f->glTexParameteri(target_, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+		f->glTexParameteri(target_, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+		//f->glTexParameteri(target_, GL_GENERATE_MIPMAP_SGIS, GL_FALSE);
+		f->glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, target_, tex_d, 0);
+	}
+	f->glBindFramebuffer(GL_FRAMEBUFFER, 0);
+	if (pbo.isInit()) {
+		enablePixelBuffer();
+	}
+	is_changed = false;
+}
+
+
+QImage Framebuffer::grab() const {
+	return QImage();
+}
+
+
+void Framebuffer::queryPoint(int index, QPoint p) {
+	pbo_queried = 0;
+	if (index < 0 || index >= colors.size()) return;
+	if (!rect().contains(p) || !pbo.isInit()) return;
+	f->glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);
+	f->glReadBuffer(GL_COLOR_ATTACHMENT0 + index);
+	pbo.bind(f);
+	f->glReadPixels(p.x(), height() - p.y(), 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+	pbo_queried = 1;
+	pbo.release(f);
+}
+
+
+void Framebuffer::queryPoints(int index, QRect rect_, GLenum pixel_format) {
+	pbo_queried = 0;
+	if (index < 0 || index >= colors.size()) return;
+	rect_ &= rect();
+	if (rect_.isEmpty() || !pbo.isInit()) return;
+	f->glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);
+	f->glReadBuffer(GL_COLOR_ATTACHMENT0 + index);
+	pbo.bind(f);
+	f->glReadPixels(rect_.x(), height() - rect_.bottom(), rect_.width(), rect_.height(), GL_RGBA, pixel_format, 0);
+	pbo_queried = rect_.width() * rect_.height();
+	pbo.release(f);
+}
+
+
+void Framebuffer::queryImage(int index) {
+	queryPoints(index, rect());
+}
+
+
+uint Framebuffer::getPoint() const {
+	if (!pbo.isInit() || (pbo_queried == 0)) return 0;
+	uint ret = 0;
+	pbo.bind(f);
+	void * map = pbo.map(f, GL_MAP_READ_BIT, sizeof(uint));
+	if (map)
+		memcpy(&ret, map, sizeof(uint));
+	pbo.unmap(f);
+	pbo.release(f);
+	return ret;
+}
+
+
+QVector<uint> Framebuffer::getPointsByte() const {
+	QVector<uint> ret;
+	if (!pbo.isInit() || (pbo_queried == 0)) return ret;
+	ret.resize(pbo_queried);
+	pbo.bind(f);
+	void * map = pbo.map(f, GL_MAP_READ_BIT, pbo_queried * sizeof(uint));
+	if (map)
+		memcpy(ret.data(), map, pbo_queried * sizeof(uint));
+	pbo.unmap(f);
+	pbo.release(f);
+	return ret;
+}
+
+
+QVector<QVector4D> Framebuffer::getPointsFloat() const {
+	QVector<QVector4D> ret;
+	if (!pbo.isInit() || (pbo_queried == 0)) return ret;
+	ret.resize(pbo_queried);
+	pbo.bind(f);
+	void * map = pbo.map(f, GL_MAP_READ_BIT, pbo_queried * sizeof(QVector4D));
+	if (map)
+		memcpy(ret.data(), map, pbo_queried * sizeof(QVector4D));
+	pbo.unmap(f);
+	pbo.release(f);
+	return ret;
+}
+
+
+QImage Framebuffer::getImage() const {
+	QImage ret;
+	if (!pbo.isInit() || (pbo_queried == 0)) return ret;
+	ret = QImage(size(), QImage::Format_RGBA8888);
+	int bytes = width() * height() * 4;
+	pbo.bind(f);
+	void * map = pbo.map(f, GL_MAP_READ_BIT, bytes);
+	if (map)
+		memcpy(ret.bits(), map, bytes);
+	pbo.unmap(f);
+	pbo.release(f);
+	return ret;
+}
+
+
+QVector<float> Framebuffer::grabF(int index) const {
+	QVector<float> ret;
+	if (index < 0 || index >= colors.size()) return ret;
+	f->glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);
+	f->glReadBuffer(GL_COLOR_ATTACHMENT0 + index);
+	ret.resize(wid * hei * 4);
+	f->glReadPixels(0, 0, wid, hei, GL_RGBA, GL_FLOAT, ret.data());
+	return ret;
+}
+
+
+void Framebuffer::blit(int index_from, GLuint fb_to, int index_to, QRect from, QRect to, GLbitfield mask, GLenum filter) const {
+	if (index_from < 0 || index_from >= colors.size()) return;
+	GLenum e = GL_COLOR_ATTACHMENT0 + index_to;
+	f->glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fb_to);
+	f->glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);
+	f->glReadBuffer(GL_COLOR_ATTACHMENT0 + index_from);
+	f->glDrawBuffers(1, &e);
+	f->glBlitFramebuffer(from.x(), from.y(), from.right(), from.bottom(), to.x(), to.y(), to.right(), to.bottom(), mask, filter);
+}
+
+
+void Framebuffer::bind() {
+	if (is_changed) resize(wid, hei);
+	if (fbo == 0) return;
+	f->glGetIntegerv(GL_VIEWPORT, prev_view);
+	f->glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+	setWriteBuffers();
+	f->glReadBuffer(GL_COLOR_ATTACHMENT0);
+	f->glViewport(0, 0, wid, hei);
+}
+
+
+void Framebuffer::release() {
+	is_changed = false;
+	if (fbo == 0) return;
+	f->glBindFramebuffer(GL_FRAMEBUFFER, 0);
+	f->glViewport(prev_view[0], prev_view[1], prev_view[2], prev_view[3]);
+}
+
+
+void Framebuffer::setWriteBuffer(int index) {
+	unsetWriteBuffers();
+	GLenum e = GL_COLOR_ATTACHMENT0 + index;
+	f->glDrawBuffers(1, &e);
+}
+
+
+void Framebuffer::setWriteBuffers(const int * indeces, int count) {
+	unsetWriteBuffers();
+	QVector<GLenum> buffers;
+	for (int i = 0; i < count; ++i)
+		buffers << GL_COLOR_ATTACHMENT0 + indeces[i];
+	f->glDrawBuffers(buffers.size(), buffers.constData());
+}
+
+
+void Framebuffer::setWriteBuffers() {
+	QVector<GLenum> buffers;
+	for (int i = 0; i < colors.size(); ++i)
+		buffers << GL_COLOR_ATTACHMENT0 + i;
+	f->glDrawBuffers(buffers.size(), buffers.constData());
+}
+
+
+void Framebuffer::unsetWriteBuffers() {
+	QVector<GLenum> buffers(colors.size(), GL_NONE);
+	f->glDrawBuffers(buffers.size(), buffers.constData());
+}
+
+
+void Framebuffer::enablePixelBuffer() {
+	pbo.init(f);
+	pbo.bind(f);
+	pbo.resize(f, width()*height()*4*4);
+	pbo.release(f);
+}
+
+
+void Framebuffer::setColorTextureFiltering(int index, GLenum filter) {
+	bindColorTexture(index);
+	f->glTexParameteri(target_, GL_TEXTURE_MIN_FILTER, filter);
+	f->glTexParameteri(target_, GL_TEXTURE_MAG_FILTER, filter);
+}
+
+
+void Framebuffer::bindColorTexture(int index, int channel) {
+	if (index < 0 || index >= colors.size()) return;
+	f->glActiveTexture(GL_TEXTURE0 + channel);
+	f->glBindTexture(GL_TEXTURE_2D, colors[index]);
+}
+
+
+void Framebuffer::bindColorTextures() {
+	for (int i = colors.size() - 1; i >= 0; --i) {
+		f->glActiveTexture(GL_TEXTURE0 + i);
+		f->glBindTexture(GL_TEXTURE_2D, colors[i]);
+		//f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+		//f->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+	}
+}
+
+
+void Framebuffer::bindDepthTexture(int channel) {
+	f->glActiveTexture(GL_TEXTURE0 + channel);
+	f->glBindTexture(GL_TEXTURE_2D, tex_d);
+}
+
+
+void Framebuffer::deleteGLRenderbuffer(GLuint & drbo) {
+	if (drbo != 0)
+		f->glDeleteRenderbuffers(1, &drbo);
+	drbo = 0;
+}
+
+
+void Framebuffer::deleteGLFramebuffer(GLuint & fbo) {
+	if (fbo != 0)
+		f->glDeleteFramebuffers(1, &fbo);
+	fbo = 0;
+}
--- a/core/glframebuffer.h
+++ b/core/glframebuffer.h
@@ -0,0 +1,89 @@
+/*
+	QGL Framebuffer
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLFRAMEBUFFER_H
+#define GLFRAMEBUFFER_H
+
+#include "glbuffer.h"
+
+
+class Framebuffer
+{
+	friend class FramebufferMipmap;
+public:
+	Framebuffer(QOpenGLExtraFunctions * f_, int colorAttachments = 1, bool withDepth = true, GLenum colorFormat = GL_RGBA8, GLenum _target = GL_TEXTURE_2D);
+	Framebuffer(QOpenGLExtraFunctions * f_, QVector<GLenum> colors_, bool withDepth = true, GLenum _target = GL_TEXTURE_2D);
+	virtual ~Framebuffer();
+
+	GLuint id() const {return fbo;}
+	GLuint colorTexture(int index = 0) const {return colors[index];}
+	//GLenum colorFormat() const {return color_format;}
+	GLuint depthTexture() const {return tex_d;}
+	GLenum target() const {return target_;}
+	bool isInit() const {return fbo != 0;}
+	int width() const {return wid;}
+	int height() const {return hei;}
+	QSize size() const {return QSize(wid, hei);}
+	QRect rect() const {return QRect(0, 0, wid, hei);}
+	QImage grab() const;
+	QVector<float> grabF(int index) const;
+	void queryPoint(int index, QPoint p);
+	void queryPoints(int index, QRect rect, GLenum pixel_format = GL_UNSIGNED_BYTE);
+	void queryImage(int index);
+	uint getPoint() const;
+	QVector<uint> getPointsByte() const;
+	QVector<QVector4D> getPointsFloat() const;
+	QImage getImage() const;
+	int queriedPoints() const {return pbo_queried;}
+	void blit(int index_from, GLuint fb_to, int index_to, QRect from, QRect to, GLbitfield mask = GL_COLOR_BUFFER_BIT, GLenum filter = GL_NEAREST) const;
+
+	void resize(int width, int height, bool force = false);
+	void bind();
+	void release();
+	void setReadBuffer(int index) {glReadBuffer(GL_COLOR_ATTACHMENT0 + index);}
+	void setWriteBuffer(int index);
+	void setWriteBuffers(const int * indeces, int count);
+	void setWriteBuffers(const QVector<int> & indeces) {setWriteBuffers(indeces.constData(), indeces.size());}
+	void setWriteBuffers();
+	void unsetWriteBuffers();
+	//void setColorFormat(GLenum format) {color_format = format; is_changed = true;}
+	void enablePixelBuffer();
+	void setColorTextureFiltering(int index, GLenum filter);
+
+	void copyDepthFrom(GLuint tex) {;}
+	void bindColorTexture(int index, int channel = 0);
+	void bindColorTextures();
+	void bindDepthTexture(int channel);
+
+private:
+	void deleteGLRenderbuffer(GLuint & drbo);
+	void deleteGLFramebuffer(GLuint & fbo);
+
+	bool is_depth, is_changed;
+	int pbo_queried;
+	QOpenGLExtraFunctions * f;
+	mutable Buffer pbo;
+	QVector<GLuint> colors;
+	QVector<GLenum> color_formats;
+	GLenum target_;
+	GLuint fbo, drbo, tex_d;
+	GLint prev_view[4], wid, hei;
+
+};
+
+#endif // GLFRAMEBUFFER_H
--- a/core/glframebuffer_mipmap.cpp
+++ b/core/glframebuffer_mipmap.cpp
@@ -0,0 +1,50 @@
+/*
+	QGL FramebufferMipmap
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#include <QOpenGLExtraFunctions>
+#include "glframebuffer_mipmap.h"
+#include <QTime>
+
+
+FramebufferMipmap::FramebufferMipmap(const Framebuffer & fb, int index_from_, int levels): src_fb(fb) {
+	index_from = index_from_;
+	for (int i = 0; i < levels; ++i)
+		fbo << new Framebuffer(fb.f, 1, false, fb.color_formats[index_from]);
+}
+
+
+FramebufferMipmap::~FramebufferMipmap() {
+
+}
+
+
+void FramebufferMipmap::resize() {
+	QSize sz = src_fb.size();
+	for (int i = 0; i < fbo.size(); ++i) {
+		sz /= 2;
+		fbo[i]->resize(sz.width(), sz.height());
+	}
+}
+
+
+void FramebufferMipmap::create() {
+	if (fbo.isEmpty()) return;
+	src_fb.blit(index_from, fbo[0]->id(), 0, src_fb.rect(), fbo[0]->rect(), GL_COLOR_BUFFER_BIT, GL_LINEAR);
+	for (int i = 0; i < fbo.size() - 1; ++i)
+		fbo[i]->blit(0, fbo[i + 1]->id(), 0, fbo[i]->rect(), fbo[i + 1]->rect(), GL_COLOR_BUFFER_BIT, GL_LINEAR);
+}
--- a/core/glframebuffer_mipmap.h
+++ b/core/glframebuffer_mipmap.h
@@ -0,0 +1,50 @@
+/*
+	QGL FramebufferMipmap
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLFRAMEBUFFER_MIPMAP_H
+#define GLFRAMEBUFFER_MIPMAP_H
+
+#include "glframebuffer.h"
+
+
+class FramebufferMipmap
+{
+public:
+	FramebufferMipmap(const Framebuffer & fb, int index_from_, int levels = 2);
+	virtual ~FramebufferMipmap();
+
+	int levelsCount() const {return fbo.size();}
+	int lastLevel() const {return fbo.size() - 1;}
+	Framebuffer & plane(int level) {return *fbo[level];}
+	Framebuffer & lastPlane() {return *fbo[lastLevel()];}
+	int width (int level) const {return fbo[level]->wid;}
+	int height(int level) const {return fbo[level]->hei;}
+	QSize size(int level) const {return fbo[level]->size();}
+	QRect rect(int level) const {return fbo[level]->rect();}
+
+	void resize();
+	void create();
+
+private:
+	int index_from;
+	const Framebuffer & src_fb;
+	QVector<Framebuffer*> fbo;
+
+};
+
+#endif // GLFRAMEBUFFER_MIPMAP_H
--- a/core/glmaterial.cpp
+++ b/core/glmaterial.cpp
@@ -0,0 +1,151 @@
+/*
+	QGL Material
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#include "gltypes.h"
+#include "gltexture_manager.h"
+#include "qglview.h"
+
+using namespace QGLEngineShaders;
+
+
+Map::Map() {
+	bitmap_id = 0;
+	color_amount = 1.f;
+	color_offset = 0.f;
+	bitmap_scale = QPointF(1., 1.);
+	use_bitmap = false;
+	_changed = true;
+	_layer = 0;
+}
+
+
+void Map::setBitmapPath(const QString & p) {
+	bitmap_path = p;
+	_changed = true;
+}
+
+
+void Map::load(TextureManager * tm) {
+	if (bitmap_id == 0)
+		bitmap_id = tm->loadTexture(bitmap_path, true, _type == mtNormal);
+}
+
+
+void Map::copyToQGLMap(QGLMap & m) const {
+	m.amount = color_amount;
+	m.offset = color_offset;
+	m.scale  = QVector2D(bitmap_scale);
+	if (hasBitmap() && use_bitmap) {
+		m.array_index = tarMaps;
+		m.map_index   = _layer;
+	} else {
+		m.array_index = tarEmpty;
+		m.map_index   = (_type == mtNormal ? emrBlue : emrWhite);
+	}
+}
+
+
+
+
+Material::Material(const QString _name)/*: map_reflection(512)*/ {
+	setTypes();
+	name = _name;
+	color_diffuse = Qt::white;
+	color_emission = Qt::black;
+	glass = false;
+	transparency = reflectivity = 0.f;
+	map_roughness.color_amount = 0.75f;
+	map_metalness.color_amount = 0.25f;
+	iof = 1.f;
+	dispersion = 0.05f;
+	_changed = true;
+	_index = 0;
+}
+
+
+uint Material::hash() {
+	return qHash(name);
+}
+
+
+bool Material::hasTransparency() const {
+	return float(color_diffuse.alphaF()) * (1.f - transparency) < 1.f;
+}
+
+
+bool Material::isMapsChanged() const {
+	return map_diffuse  ._changed ||
+		   map_normal   ._changed ||
+		   map_metalness._changed ||
+		   map_roughness._changed ||
+		   map_emission ._changed ||
+		   map_relief   ._changed;
+}
+
+
+bool Material::isMapChanged(int type) const {
+	switch (type) {
+	case mtDiffuse  : return map_diffuse  ._changed;
+	case mtNormal   : return map_normal   ._changed;
+	case mtMetalness: return map_metalness._changed;
+	case mtRoughness: return map_roughness._changed;
+	case mtEmission : return map_emission ._changed;
+	case mtRelief   : return map_relief   ._changed;
+	}
+	return false;
+}
+
+
+void Material::load(TextureManager * tm) {
+	map_diffuse  .load(tm);
+	map_normal   .load(tm);
+	map_metalness.load(tm);
+	map_roughness.load(tm);
+	map_emission .load(tm);
+	map_relief   .load(tm);
+}
+
+
+void Material::setMapsChanged() {
+	map_diffuse  ._changed = true;
+	map_normal   ._changed = true;
+	map_metalness._changed = true;
+	map_roughness._changed = true;
+	map_emission ._changed = true;
+	map_relief   ._changed = true;
+}
+
+
+void Material::setTypes() {
+	map_diffuse  ._type = mtDiffuse  ;
+	map_normal   ._type = mtNormal   ;
+	map_metalness._type = mtMetalness;
+	map_roughness._type = mtRoughness;
+	map_emission ._type = mtEmission ;
+	map_relief   ._type = mtRelief   ;
+}
+
+
+void Material::detectMaps() {
+	map_diffuse  .use_bitmap = !map_diffuse  .bitmap_path.isEmpty();
+	map_normal   .use_bitmap = !map_normal   .bitmap_path.isEmpty();
+	map_metalness.use_bitmap = !map_metalness.bitmap_path.isEmpty();
+	map_roughness.use_bitmap = !map_roughness.bitmap_path.isEmpty();
+	map_emission .use_bitmap = !map_emission .bitmap_path.isEmpty();
+	map_relief   .use_bitmap = !map_relief   .bitmap_path.isEmpty();
+}
--- a/core/glmaterial.h
+++ b/core/glmaterial.h
@@ -0,0 +1,124 @@
+/*
+	QGL Material
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLMATERIAL_H
+#define GLMATERIAL_H
+
+#include "glshaders_types.h"
+#include "chunkstream.h"
+
+
+class Map {
+public:
+	Map();
+	void setBitmapPath(const QString & p);
+	void clearBitmap() {setBitmapPath(QString());}
+	bool hasBitmap() const {return !bitmap_path.isEmpty();}
+	void load(TextureManager * tm);
+	void copyToQGLMap(QGLEngineShaders::QGLMap & m) const;
+	QString bitmap_path;
+	GLuint  bitmap_id;
+	QPointF bitmap_offset;
+	QPointF bitmap_scale;
+	float color_amount;
+	float color_offset;
+	bool use_bitmap;
+
+	bool _changed;
+	int _type, _layer;
+};
+
+class Material {
+public:
+	Material(const QString _name = QString());
+	uint hash();
+	bool hasTransparency() const;
+	bool isMapsChanged() const;
+	bool isMapChanged(int type) const;
+	void load(TextureManager * tm);
+	void setMapsChanged();
+	void setTypes();
+	void detectMaps();
+	QString name;
+	QColor color_diffuse;
+	QColor color_emission;
+	bool glass;
+	float transparency;
+	float reflectivity;
+	float iof;
+	float dispersion;
+	Map map_diffuse  ;
+	Map map_normal   ;
+	Map map_metalness;
+	Map map_roughness;
+	Map map_emission ;
+	Map map_relief   ;
+	bool _changed;
+	int _index;
+	//GLCubeTexture map_reflection;
+};
+
+
+inline QDataStream & operator <<(QDataStream & s, const Map & m) {
+	ChunkStream cs;
+	cs.add(1, m.bitmap_path).add(2, m.color_amount).add(3, m.color_offset).add(6, m.bitmap_scale)
+	  .add(7, m.use_bitmap);
+	s << cs.data(); return s;
+}
+inline QDataStream & operator >>(QDataStream & s, Map & m) {
+	ChunkStream cs(s);
+	cs.readAll();
+	cs.get(1, m.bitmap_path).get(2, m.color_amount).get(3, m.color_offset).get(6, m.bitmap_scale)
+	  .get(7, m.use_bitmap);
+	return s;
+}
+
+inline QDataStream & operator <<(QDataStream & s, const Material * m) {
+	ChunkStream cs;
+	cs.add(1, m->name).add(2, m->color_diffuse).add(4, m->color_emission)
+	  .add(5, m->transparency).add(6, m->reflectivity).add(7, m->glass).add(8, m->map_diffuse).add(9, m->map_normal)
+	  .add(10, m->map_relief).add(11, m->map_metalness).add(12, m->map_roughness).add(13, m->map_emission);
+	s << /*qCompress*/(cs.data()); return s;
+}
+inline QDataStream & operator >>(QDataStream & s, Material *& m) {
+	m = new Material();
+	//QByteArray ba;
+	//s >> ba;
+	//ba = qUncompres(ba);
+	ChunkStream cs(s);
+	while (!cs.atEnd()) {
+		switch (cs.read()) {
+		case 1:  cs.get(m->name); break;
+		case 2:  cs.get(m->color_diffuse); break;
+		case 4:  cs.get(m->color_emission); break;
+		case 5:  cs.get(m->transparency); break;
+		case 6:  cs.get(m->reflectivity); break;
+		case 7:  cs.get(m->glass); break;
+		case 8:  cs.get(m->map_diffuse); break;
+		case 9:  cs.get(m->map_normal); break;
+		case 10: cs.get(m->map_relief); break;
+		case 11: cs.get(m->map_metalness); break;
+		case 12: cs.get(m->map_roughness); break;
+		case 13: cs.get(m->map_emission); break;
+		}
+	}
+	m->setTypes();
+	return s;
+}
+
+#endif // GLMATERIAL_H
--- a/core/glmesh.cpp
+++ b/core/glmesh.cpp
@@ -0,0 +1,426 @@
+/*
+	QGL Mesh
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#define GL_GLEXT_PROTOTYPES
+#include <QOpenGLExtraFunctions>
+#include "glmesh.h"
+#include "globject.h"
+#include <QTime>
+
+using namespace QGLEngineShaders;
+
+//static int _count = 0;
+
+Mesh::Mesh(GLenum geom_type_): geom_type(geom_type_),
+		buffer_geom(GL_ARRAY_BUFFER, GL_STATIC_DRAW),
+		buffer_ind (GL_ELEMENT_ARRAY_BUFFER, GL_STATIC_DRAW) {
+	hash_ = 0;
+	changed = hash_changed = true;
+	//qDebug() << "Mesh, now" << ++_count;
+}
+
+
+Mesh::~Mesh() {
+	//qDebug() << "~Mesh, now" << --_count;
+	//destroy();
+}
+
+
+Mesh * Mesh::clone() {
+	Mesh * c = new Mesh();
+	c->vertices_  = vertices_ ;
+	c->normals_   = normals_  ;
+	c->texcoords_ = texcoords_;
+	c->triangles_ = triangles_;
+	c->lines_     = lines_;
+	c->geom_type = geom_type;
+	c->hash_ = hash_;
+	c->hash_changed = hash_changed;
+	//qDebug() << "clone VBO";
+	return c;
+}
+
+
+void Mesh::init(QOpenGLExtraFunctions * f) {
+	if (!isInit()) {
+		buffer_geom.init(f);
+		buffer_ind .init(f);
+		changed = true;
+	}
+}
+
+
+void Mesh::destroy(QOpenGLExtraFunctions * f) {
+	buffer_geom.destroy(f);
+	buffer_ind .destroy(f);
+	QList<VertexObject*> vaol = vao_map.values();
+	foreach (VertexObject* vao, vaol)
+		vao->destroy(f);
+	qDeleteAll(vao_map);
+	vao_map.clear();
+}
+
+
+void Mesh::calculateNormals() {
+	normals_.resize(vertices_.size());
+	QVector3D dv1, dv2, n;
+	foreach (const Vector3i & t, triangles_) {
+		QVector3D & v0(vertices_[t.p0]);
+		QVector3D & v1(vertices_[t.p1]);
+		QVector3D & v2(vertices_[t.p2]);
+		dv1 = v1 - v0, dv2 = v2 - v0;
+		n = QVector3D::crossProduct(dv1, dv2).normalized();
+		normals_[t.p0] = n;
+		normals_[t.p1] = n;
+		normals_[t.p2] = n;
+	}
+}
+
+
+void Mesh::calculateTangents() {
+	if (vertices_.isEmpty() || texcoords_.isEmpty()) return;
+	if (texcoords_.size() != vertices_.size()) return;
+	tangents_  .resize(vertices_.size());
+	bitangents_.resize(vertices_.size());
+	//qDebug() << "calculateBinormals" << vcnt << tcnt << vertices_.size() << texcoords_.size() << "...";
+	QVector3D dv1, dv2;
+	QVector2D dt1, dt2;
+	QVector3D tan, bitan;
+	foreach (const Vector3i & t, triangles_) {
+		QVector3D & v0(vertices_ [t.p0]);
+		QVector3D & v1(vertices_ [t.p1]);
+		QVector3D & v2(vertices_ [t.p2]);
+		QVector2D & t0(texcoords_[t.p0]);
+		QVector2D & t1(texcoords_[t.p1]);
+		QVector2D & t2(texcoords_[t.p2]);
+		dv1 = v1 - v0, dv2 = v2 - v0;
+		dt1 = t1 - t0, dt2 = t2 - t0;
+		tan   = (dv1 * dt2.y() - dv2 * dt1.y()).normalized();
+		bitan = (dv2 * dt1.x() - dv1 * dt2.x()).normalized();
+		tangents_  [t.p0] = tan;
+		tangents_  [t.p1] = tan;
+		tangents_  [t.p2] = tan;
+		bitangents_[t.p0] = bitan;
+		bitangents_[t.p1] = bitan;
+		bitangents_[t.p2] = bitan;
+		//qDebug() << "  t" << t << vi << ti << dv1.toQVector3D() << "...";
+	}
+	//qDebug() << "calculateBinormals" << vcnt << tcnt << tangents_.size();
+}
+
+
+VertexObject * Mesh::vaoByType(int type) {
+	VertexObject *& vao(vao_map[type]);
+	if (!vao) {
+		vao = new VertexObject();
+	}
+	return vao;
+}
+
+
+bool Mesh::rebuffer(QOpenGLExtraFunctions * f) {
+	changed = false;
+	if (vertices_.isEmpty()) return true;
+	if (normals_.isEmpty())
+		calculateNormals();
+	calculateTangents();
+	vert_count = qMin(vertices_.size(), normals_.size());
+	vert_count = qMin(vert_count, tangents_.size());
+	vert_count = qMin(vert_count, bitangents_.size());
+	vert_count = qMin(vert_count, texcoords_.size());
+	data_.resize(vert_count);
+	for (int i = 0; i < vert_count; ++i) {
+		Vertex & v(data_[i]);
+		v.pos       = vertices_  [i];
+		v.normal    = normals_   [i];
+		v.tangent   = tangents_  [i];
+		v.bitangent = bitangents_[i];
+		v.tex       = texcoords_ [i];
+	}
+	int gsize = data_.size() * sizeof(Vertex);
+	int tsize = triangles_.size() * sizeof(Vector3i);
+	int lsize = lines_.size() * sizeof(Vector2i);
+
+	buffer_geom.bind(f);
+	buffer_geom.resize(f, gsize);
+	buffer_geom.load(f, data_.constData(), gsize);
+
+	buffer_ind.bind(f);
+	if (geom_type == GL_TRIANGLES) {
+		buffer_ind.resize(f, tsize);
+		buffer_ind.load(f, triangles_.constData(), tsize);
+	} else {
+		buffer_ind.resize(f, lsize);
+		buffer_ind.load(f, lines_.constData(), lsize);
+	}
+
+	return !isEmpty();
+}
+
+
+void Mesh::draw(QOpenGLExtraFunctions * f, int count, int type) {
+	if (isEmpty()) return;
+	if (!isInit()) init(f);
+	if (changed) rebuffer(f);
+	//qDebug() << "draw" << geom_type << vert_count << count;
+
+	VertexObject * vao = vaoByType(type);
+	vao->bindBuffers(f, buffer_geom, buffer_ind);
+	if (geom_type == GL_TRIANGLES)
+		vao->draw(f, geom_type, triangles_.size() * 3, count);
+	else
+		vao->draw(f, geom_type, lines_.size() * 2, count);
+}
+
+
+void Mesh::clear() {
+	vertices_  .clear();
+	normals_   .clear();
+	tangents_  .clear();
+	bitangents_.clear();
+	texcoords_ .clear();
+	triangles_ .clear();
+	lines_     .clear();
+	data_      .clear();
+	changed = hash_changed = true;
+}
+
+
+void Mesh::loadObject(QOpenGLExtraFunctions * f, const Object & object, int type) {
+	VertexObject * vao = vaoByType(type);
+	vao->loadObject(f, object);
+}
+
+
+void Mesh::loadObjects(QOpenGLExtraFunctions * f, const QVector<Object> & objects, int type) {
+	VertexObject * vao = vaoByType(type);
+	vao->loadObjects(f, objects);
+}
+
+
+void Mesh::loadSelections(QOpenGLExtraFunctions * f, const QVector<uchar> & sels, int type) {
+	VertexObject * vao = vaoByType(type);
+	vao->loadSelections(f, sels);
+}
+
+
+uint Mesh::hash() const {
+	if (hash_changed) {
+		hash_changed = false;
+		hash_  = qHashBits(vertices_ .constData(), vertices_ .size() * sizeof(QVector3D));
+		hash_ ^= qHashBits(normals_  .constData(), normals_  .size() * sizeof(QVector3D));
+		hash_ ^= qHashBits(texcoords_.constData(), texcoords_.size() * sizeof(QVector2D));
+		hash_ ^= qHashBits(triangles_.constData(), triangles_.size() * sizeof( Vector3i));
+		hash_ ^= qHashBits(lines_    .constData(), lines_    .size() * sizeof( Vector2i));
+	}
+	return hash_;
+}
+
+
+bool Mesh::isObjectsChanged(int type) const {
+	return (const_cast<Mesh*>(this))->vaoByType(type)->isObjectsChanged();
+}
+
+
+bool Mesh::isSelectionChanged(int type) const {
+	return (const_cast<Mesh*>(this))->vaoByType(type)->isSelectionChanged();
+}
+
+
+void Mesh::setObjectsChanged(int type, bool yes) {
+	vaoByType(type)->setObjectsChanged(yes);
+}
+
+
+void Mesh::setSelectionChanged(int type, bool yes) {
+	vaoByType(type)->setSelectionChanged(yes);
+}
+
+
+void Mesh::setAllObjectsChanged(bool yes) {
+	QMapIterator<int, VertexObject * > it(vao_map);
+	while (it.hasNext())
+		it.next().value()->setObjectsChanged(yes);
+}
+
+
+void Mesh::setAllSelectionChanged(bool yes) {
+	QMapIterator<int, VertexObject * > it(vao_map);
+	while (it.hasNext())
+		it.next().value()->setSelectionChanged(yes);
+}
+
+
+void Mesh::translatePoints(const QVector3D & dp) {
+	QMatrix4x4 m;
+	m.translate(dp);
+	transformPoints(m);
+}
+
+
+void Mesh::scalePoints(const QVector3D & dp) {
+	QMatrix4x4 m;
+	m.scale(dp);
+	transformPoints(m);
+}
+
+
+void Mesh::rotatePoints(const double & angle, const QVector3D & a) {
+	QMatrix4x4 m;
+	m.rotate(angle, a);
+	transformPoints(m);
+}
+
+
+void Mesh::transformPoints(const QMatrix4x4 & mat) {
+	if (vertices_.isEmpty()) return;
+	int vcnt = vertices_.size(), ncnt = normals_.size();
+	for (int i = 0; i < vcnt; ++i) {
+		vertices_[i] = (mat * QVector4D(vertices_[i], 1)).toVector3D();
+		if (i < ncnt)
+			normals_[i] = (mat * QVector4D(normals_[i], 0)).toVector3D();
+	}
+	changed = hash_changed = true;
+}
+
+
+void Mesh::flipNormals() {
+	if (vertices_.isEmpty()) return;
+	for (int i = 0; i < triangles_.size(); ++i)
+		piSwap(triangles_[i].p1, triangles_[i].p2);
+	for (int i = 0; i < lines_.size(); ++i)
+		piSwap(lines_[i].p0, lines_[i].p1);
+	int ncnt = normals_.size();
+	for (int i = 0; i < ncnt; ++i)
+		normals_[i] = -normals_[i];
+	changed = hash_changed = true;
+}
+
+
+void Mesh::append(const Mesh * m) {
+	if (!m) return;
+	if (m->isEmpty()) return;
+	if (normals_.isEmpty()) calculateNormals();
+	int vcnt = vertices_.size();
+	vertices_ .append(m->vertices_ );
+	normals_  .append(m->normals_  );
+	texcoords_.append(m->texcoords_);
+	QVector<Vector3i> tri = m->triangles_;
+	for (int i = 0; i < tri.size(); ++i)
+		tri[i] += vcnt;
+	triangles_.append(tri);
+	QVector<Vector2i> lin = m->lines_;
+	for (int i = 0; i < lin.size(); ++i)
+		lin[i] += vcnt;
+	lines_.append(lin);
+}
+
+
+bool Mesh::saveToFile(const QString & filename) {
+	if (filename.isEmpty()) return false;
+	QFile f(filename);
+	QByteArray ba;
+	if (f.open(QFile::WriteOnly)) {
+		QDataStream out(&ba, QFile::WriteOnly);
+		out << vertices_ << normals_ << texcoords_ << triangles_ << lines_;
+		ba = qCompress(ba);
+		f.resize(0);
+		f.write(ba);
+		f.close();
+		return true;
+	}
+	return false;
+}
+
+
+bool Mesh::loadFromFile(const QString & filename) {
+	if (filename.isEmpty()) return false;
+	QFile f(filename);
+	QByteArray ba;
+	if (f.open(QFile::ReadOnly)) {
+		ba = f.readAll();
+		if (ba.isEmpty()) return false;
+		ba = qUncompress(ba);
+		QDataStream in(ba);
+		in >> vertices_ >> normals_ >> texcoords_ >> triangles_ >> lines_;
+		changed = hash_changed = true;
+		f.close();
+		return !isEmpty();
+	}
+	return false;
+}
+
+
+Box3D Mesh::boundingBox() const {
+	if (vertices_.isEmpty()) return Box3D();
+	int vcnt = vertices_.size();
+	//qDebug() << "calculateBinormals" << vcnt << tcnt << vertices_.size() << texcoords_.size() << "...";
+	GLfloat mix, miy, miz, max, may, maz;
+	QVector3D v0(vertices_[0]);
+	mix = max = v0.x();
+	miy = may = v0.y();
+	miz = maz = v0.z();
+	Box3D bound;
+	for (int i = 1; i < vcnt; ++i) {
+		const QVector3D & v(vertices_[i]);
+		if (mix > v.x()) mix = v.x();
+		if (max < v.x()) max = v.x();
+		if (miy > v.y()) miy = v.y();
+		if (may < v.y()) may = v.y();
+		if (miz > v.z()) miz = v.z();
+		if (maz < v.z()) maz = v.z();
+	}
+	bound.x = mix;
+	bound.y = miy;
+	bound.z = miz;
+	bound.length = max - mix;
+	bound.width  = may - miy;
+	bound.height = maz - miz;
+	return bound;
+}
+
+
+QDataStream & operator <<(QDataStream & s, const Mesh * m) {
+	ChunkStream cs;
+	//qDebug() << "place VBO" << m.vertices_.size() << m.normals_.size() << m.texcoords_.size() << m.colors_.size() << "...";
+	cs.add(1, m->vertices_).add(2, m->normals_).add(3, m->texcoords_)
+		.add(6, m->triangles_).add(7, m->lines_).add(10, int(m->geom_type));
+	//qDebug() << "place VBO done" << cs.data().size() << "...";
+	s << /*qCompress*/(cs.data()); return s;
+}
+
+
+QDataStream & operator >>(QDataStream & s, Mesh *& m) {
+	m = new Mesh();
+	//QByteArray ba;
+	//s >> ba;
+	//ba = qUncompress(ba);
+	ChunkStream cs(s);
+	while (!cs.atEnd()) {
+		switch (cs.read()) {
+		case 1 : cs.get(m->vertices_ ); break;
+		case 2 : cs.get(m->normals_  ); break;
+		case 3 : cs.get(m->texcoords_); break;
+		case 6 : cs.get(m->triangles_); break;
+		case 7 : cs.get(m->lines_    ); break;
+		case 10: m->geom_type = cs.getData<int>(); break;
+		}
+	}
+	m->changed = true;
+	return s;
+}
--- a/core/glmesh.h
+++ b/core/glmesh.h
@@ -0,0 +1,110 @@
+/*
+	QGL Mesh
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLMESH_H
+#define GLMESH_H
+
+#include <chunkstream.h>
+#include "glvertexobject.h"
+
+
+class Mesh
+{
+	friend class ObjectBase;
+	friend class Scene;
+	friend class Renderer;
+	friend QDataStream & operator <<(QDataStream & s, const Mesh * m);
+	friend QDataStream & operator >>(QDataStream & s, Mesh *& m);
+public:
+	Mesh(GLenum geom_type_ = GL_TRIANGLES);
+	~Mesh();
+
+	Mesh * clone();
+
+	//GLVBO & operator =(const GLVBO & o) {return *this;}
+
+	void init    (QOpenGLExtraFunctions * f);
+	void destroy (QOpenGLExtraFunctions * f);
+	bool rebuffer(QOpenGLExtraFunctions * f);
+	void draw    (QOpenGLExtraFunctions * f, int count, int type = 0);
+	void clear();
+	void loadObject    (QOpenGLExtraFunctions * f, const QGLEngineShaders::Object & object, int type = 0);
+	void loadObjects   (QOpenGLExtraFunctions * f, const QVector<QGLEngineShaders::Object> & objects, int type = 0);
+	void loadSelections(QOpenGLExtraFunctions * f, const QVector<uchar> & sels, int type = 0);
+
+	int verticesCount() const {return vertices_.size();}
+	int trianglesCount() const {return triangles_.size();}
+	int linesCount() const {return lines_.size();}
+	bool isInit() const {return buffer_geom.isInit();}
+	bool isEmpty() const {return vertices_.isEmpty();}
+	uint hash() const;
+
+	bool isObjectsChanged   (int type = 0) const;
+	bool isSelectionChanged (int type = 0) const;
+	void setObjectsChanged  (int type = 0, bool yes = true);
+	void setSelectionChanged(int type = 0, bool yes = true);
+	void setAllObjectsChanged  (bool yes = true);
+	void setAllSelectionChanged(bool yes = true);
+
+	QVector<QVector3D> & vertices () {changed = hash_changed = true; return vertices_;}
+	QVector<QVector3D> & normals  () {changed = hash_changed = true; return normals_;}
+	QVector<QVector2D> & texcoords() {changed = hash_changed = true; return texcoords_;}
+	QVector< Vector3i> & indicesTriangles() {changed = hash_changed = true; return triangles_;}
+	QVector< Vector2i> & indicesLines    () {changed = hash_changed = true; return lines_;}
+
+	void translatePoints(const QVector3D & dp);
+	void translatePoints(const double & x, const double & y, const double & z) {translatePoints(QVector3D(x, y, z));}
+	void scalePoints    (const QVector3D & dp);
+	void scalePoints    (const double & s) {scalePoints(QVector3D(s, s, s));}
+	void rotatePoints   (const double & angle, const QVector3D & a);
+	void rotatePoints   (const double & angle, const double & x, const double & y, const double & z) {rotatePoints(angle, QVector3D(x, y, z));}
+	void transformPoints(const QMatrix4x4 & mat);
+	void flipNormals();
+	void append(const Mesh * m);
+
+	bool saveToFile(const QString & filename);
+	bool loadFromFile(const QString & filename);
+
+	Box3D boundingBox() const;
+
+private:
+	void calculateNormals();
+	void calculateTangents();
+	VertexObject * vaoByType(int type);
+
+	QVector<QVector3D> vertices_, normals_, tangents_, bitangents_;
+	QVector<QVector2D> texcoords_;
+	QVector< Vector3i> triangles_;
+	QVector< Vector2i> lines_;
+
+	QVector<QGLEngineShaders::Vertex> data_;
+	GLenum geom_type;
+	Buffer buffer_geom, buffer_ind;
+	QMap<int, VertexObject * > vao_map;
+	mutable uint hash_;
+	mutable bool hash_changed;
+	int vert_count;
+	bool changed;
+
+};
+
+
+QDataStream & operator <<(QDataStream & s, const Mesh * m);
+QDataStream & operator >>(QDataStream & s, Mesh *& m);
+
+#endif // GLMESH_H
--- a/core/glprimitives.cpp
+++ b/core/glprimitives.cpp
@@ -0,0 +1,437 @@
+/*
+	QGL Primitives
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#include "glprimitives.h"
+#include "glmesh.h"
+
+
+Mesh * Primitive::plane(float width, float length) {
+	Mesh * ret = new Mesh();
+	QVector<QVector3D> & v(ret->vertices ());
+	QVector<QVector3D> & n(ret->normals  ());
+	QVector<QVector2D> & t(ret->texcoords());
+	QVector< Vector3i> & i(ret->indicesTriangles  ());
+	float hw = width / 2.f, hl = length / 2.f;
+	for (int j = 0; j < 4; ++j) n << QVector3D(0., 0., 1.);
+	t << QVector2D(0., 0.)        << QVector2D(0., 1.)        << QVector2D(1., 1.)        << QVector2D(1., 0.);
+	v << QVector3D(-hw, -hl, 0.) << QVector3D(-hw, hl, 0.) << QVector3D(hw, hl, 0.) << QVector3D(hw, -hl, 0.);
+	i << Vector3i(0, 2, 1) << Vector3i(0, 3, 2);
+	return ret;
+}
+
+
+Mesh * Primitive::cube(float width, float length, float height) {
+	Mesh * ret = new Mesh();
+	QVector3D scale(width, length, height);
+	QVector<QVector3D> & v(ret->vertices ());
+	QVector<QVector3D> & n(ret->normals  ());
+	QVector<QVector2D> & t(ret->texcoords());
+	QVector< Vector3i> & i(ret->indicesTriangles  ());
+	float hs = 0.5f;
+	int si = 0;
+	QMatrix4x4 mat;
+
+	si = v.size();
+	for (int j = 0; j < 4; ++j) n << QVector3D(0., -1., 0.);
+	t << QVector2D(0., 0.)        << QVector2D(1., 0.)        << QVector2D(1., 1.)        << QVector2D(0., 1.);
+	v << QVector3D(-hs, -hs, -hs) << QVector3D(hs, -hs, -hs) << QVector3D(hs, -hs, hs) << QVector3D(-hs, -hs, hs);
+	i << Vector3i(si + 0, si + 1, si + 2) << Vector3i(si + 0, si + 2, si + 3);
+
+	for (int r = 0; r < 3; ++r) {
+		si = v.size();
+		mat.rotate(90., 0., 0., 1.);
+		QVector3D cn = mat.map(n[0]);
+		for (int j = 0; j < 4; ++j) {
+			n << cn;
+			v << mat.map(QVector4D(v[j])).toVector3D();
+		}
+		t << QVector2D(0., 0.)        << QVector2D(1., 0.)        << QVector2D(1., 1.)        << QVector2D(0., 1.);
+		i << Vector3i(si + 0, si + 1, si + 2) << Vector3i(si + 0, si + 2, si + 3);
+	}
+
+	mat.setToIdentity();
+	mat.rotate(90., 1., 0.,0.);
+	for (int r = 0; r < 2; ++r) {
+		si = v.size();
+		mat.rotate(180., 1., 0.,0.);
+		QVector3D cn = mat.map(n[0]);
+		for (int j = 0; j < 4; ++j) {
+			n << cn;
+			v << mat.map(QVector4D(v[j])).toVector3D();
+		}
+		t << QVector2D(0., 0.)        << QVector2D(1., 0.)        << QVector2D(1., 1.)        << QVector2D(0., 1.);
+		i << Vector3i(si + 0, si + 1, si + 2) << Vector3i(si + 0, si + 2, si + 3);
+	}
+
+	for (int i = 0; i < v.size(); ++i)
+		v[i] *= scale;
+
+	return ret;
+}
+
+
+Mesh * Primitive::ellipsoid(int segments_wl, int segments_h, float radius, float end_angle) {
+	Mesh * ret = new Mesh();
+	QVector<QVector3D> & v(ret->vertices ());
+	QVector<QVector3D> & n(ret->normals  ());
+	QVector<QVector2D> & t(ret->texcoords());
+	QVector< Vector3i> & ind(ret->indicesTriangles());
+	int hseg = segments_h + 1, wlseg = segments_wl + 1;
+	double crw, crl, a, ch, twl;
+	double eang = deg2rad * end_angle;
+
+	QVector3D cp;
+	for (int i = 0; i <= hseg; i++) {
+		ch = -cos((double)i / hseg * M_PI);
+		cp.setZ(ch * radius);
+		twl = sqrt(1. - ch * ch);
+		crw = twl * radius;
+		crl = twl * radius;
+		int cvcnt = wlseg * 2;
+		for (int j = 0; j < cvcnt; j++) {
+			a = (double)j / (cvcnt - 1) * eang;
+			cp.setX(crl * cos(a));
+			cp.setY(crw * sin(a));
+			v << cp;
+			t << QVector2D((double)j / (cvcnt - 1), ch/2.f + 0.5f);
+			n << cp.normalized();
+			int si = v.size() - 1;
+			if (j > 0 && i > 0) {
+				ind << Vector3i(si - cvcnt - 1, si, si - 1);
+				ind << Vector3i(si - cvcnt, si, si - cvcnt - 1);
+			}
+		}
+	}
+	if (end_angle < 360.) {
+		Mesh * cap = Primitive::disc(segments_h+1, radius, 180);
+		cap->rotatePoints(90, 0, 1, 0);
+		cap->rotatePoints(-90, 0, 0, 1);
+		ret->append(cap);
+		cap->flipNormals();
+		cap->rotatePoints(end_angle, 0, 0, 1);
+		ret->append(cap);
+		delete cap;
+	}
+	return ret;
+}
+
+
+Mesh * Primitive::disc(int segments, float radius, float end_angle) {
+	Mesh * ret = new Mesh();
+	QVector<QVector3D> & v(ret->vertices ());
+	QVector<QVector3D> & n(ret->normals  ());
+	QVector<QVector2D> & t(ret->texcoords());
+	QVector< Vector3i> & ind(ret->indicesTriangles());
+
+	segments = qMax(segments + 1, 4);
+	QVector3D cp;
+	v << QVector3D();
+	n << QVector3D(0, 0, 1);
+	t << QVector2D(0.5f, 0.5f);
+	end_angle *= deg2rad;
+	for (int i = 0; i < segments; i++) {
+		double a = (double)i / (segments - 1) * end_angle;
+		cp.setX(radius * cos(a));
+		cp.setY(radius * sin(a));
+		v << cp;
+		n << QVector3D(0, 0, 1);
+		t << QVector2D(cp.x() / radius + 1, cp.y() / radius + 1);
+		int si = v.size() - 1;
+		if (i > 0) ind << Vector3i(si - 1, si, 0);
+	}
+	return ret;
+}
+
+
+QVector3D coneNormal(double r, double height, double ang) {
+	QVector3D norm;
+	norm.setX(r * cos(ang));
+	norm.setY(r * sin(ang));
+	norm.setZ(0.);
+	double rl = norm.length();
+	double ca = atan2(rl, height);
+	norm *= cos(ca);
+	norm.setZ(norm.length() * tan(ca));
+	return norm.normalized();
+}
+
+
+Mesh * Primitive::cone(int segments, float radius, float height) {
+	Mesh * ret = new Mesh();
+	QVector<QVector3D> & v(ret->vertices ());
+	QVector<QVector3D> & n(ret->normals  ());
+	QVector<QVector2D> & t(ret->texcoords());
+	QVector< Vector3i> & ind(ret->indicesTriangles());
+
+	int seg = qMax(segments + 1, 4);
+	QVector3D cp;
+	for (int i = 0; i < seg; i++) {
+		double a = (double)i / (seg - 1) * M_2PI;
+		cp.setX(radius * cos(a));
+		cp.setY(radius * sin(a));
+		if (i > 0) {
+			v << QVector3D(0, 0, height);
+			t << QVector2D((double)(i - 1) / (seg - 1), 1.f);
+			double ta = ((double)i - 0.5) / (seg - 1) * M_2PI;
+			n << coneNormal(radius, height, ta);
+		}
+		v << cp;
+		t << QVector2D((double)i / (seg - 1), 0.f);
+		n << coneNormal(radius, height, a);
+		int si = v.size() - 1;
+		if (i > 0)
+			ind << Vector3i(si - 1, si - 2, si);
+	}
+
+	Mesh * cap = Primitive::disc(segments, radius);
+	cap->flipNormals();
+	ret->append(cap);
+	delete cap;
+
+	return ret;
+}
+
+
+Mesh * Primitive::cylinder(int segments, float radius, float height, float end_angle) {
+	Mesh * ret = new Mesh();
+	QVector<QVector3D> & v(ret->vertices ());
+	QVector<QVector3D> & n(ret->normals  ());
+	QVector<QVector2D> & t(ret->texcoords());
+	QVector< Vector3i> & ind(ret->indicesTriangles());
+
+	int seg = qMax(segments + 1, 4);
+	QVector3D cp, norm;
+	double eang = deg2rad * end_angle;
+
+	for (int i = 0; i < seg; i++) {
+		double a = (double)i / (seg - 1) * eang;
+		cp.setX(radius * cos(a));
+		cp.setY(radius * sin(a));
+		cp.setZ(0.);
+		norm = cp.normalized();
+		v << cp;
+		cp.setZ(height);
+		v << cp;
+		t << QVector2D((double)i / (seg - 1), 0.f);
+		t << QVector2D((double)i / (seg - 1), 1.f);
+		n << norm; n << norm;
+		int si = v.size() - 1;
+		if (i > 0) {
+			ind << Vector3i(si - 2, si - 1, si);
+			ind << Vector3i(si - 1, si - 2, si - 3);
+		}
+	}
+
+	Mesh * cap = Primitive::disc(segments, radius, end_angle);
+	cap->flipNormals();
+	ret->append(cap);
+	cap->translatePoints(QVector3D(0., 0., height));
+	cap->flipNormals();
+	ret->append(cap);
+	delete cap;
+
+	if (end_angle < 360.) {
+		Mesh * cap = Primitive::plane(radius, height);
+		cap->rotatePoints(90, 1, 0, 0);
+		//cap->rotatePoints(-90, 0, 0, 1);
+		cap->translatePoints(radius/2, 0, height/2);
+		ret->append(cap);
+		cap->flipNormals();
+		cap->rotatePoints(end_angle, 0, 0, 1);
+		ret->append(cap);
+		delete cap;
+	}
+
+	return ret;
+}
+
+
+Mesh * Primitive::arrow(int segments, float thick, float angle) {
+	double cone_r = 1.5 * thick;
+	double cone_h = 2. * cone_r / tan(angle * deg2rad);
+	Mesh * ret = new Mesh();
+	Mesh * m = Primitive::cylinder(segments, thick / 2., 1. - cone_h);
+	ret->append(m);
+	delete m;
+	m = Primitive::cone(segments, cone_r, cone_h);
+	m->translatePoints(QVector3D(0., 0., 1. - cone_h));
+	ret->append(m);
+	delete m;
+	return ret;
+}
+
+
+Mesh * Primitive::torus(int segments_main, int segments_second, float radius_main, float radius_second, float end_angle) {
+	Mesh * ret = new Mesh();
+	QVector<QVector3D> & v(ret->vertices ());
+	QVector<QVector3D> & n(ret->normals  ());
+	QVector<QVector2D> & t(ret->texcoords());
+	QVector< Vector3i> & ind(ret->indicesTriangles());
+
+	QVector<QVector3D> cv, cn;
+	QVector<QVector2D> ct;
+	segments_second = qMax(segments_second + 1, 4);
+	for (int i = 0; i < segments_second; i++) {
+		double x = (double)i / (segments_second - 1);
+		double a = x * M_2PI;
+		cv << QVector3D(radius_second * cos(a), 0., radius_second * sin(a));
+		cn << cv.back().normalized();
+		ct << QVector2D(0., x);
+		cv.back() += QVector3D(radius_main, 0., 0.);
+	}
+
+	segments_main = qMax(segments_main + 1, 4);
+	int ccnt = cv.size(), pcnt = 0;
+	for (int i = 0; i < segments_main; i++) {
+		double x = (double)i / (segments_main - 1);
+		QMatrix4x4 rm;
+		rm.rotate(x * end_angle, 0., 0., 1.);
+		for (int j = 0; j < ccnt; j++) {
+			ct[j].setX(x);
+			v << rm.map(cv[j]);
+			n << rm.map(cn[j]);
+		}
+		t.append(ct);
+		if (i > 0) {
+			for (int j = 0; j < ccnt - 1; j++) {
+				ind << Vector3i(pcnt + j, pcnt + j + 1, pcnt + j - ccnt);
+				ind << Vector3i(pcnt + j + 1, pcnt + j + 1 - ccnt, pcnt + j - ccnt);
+			}
+		}
+		pcnt = v.size();
+	}
+	if (end_angle < 360.) {
+		Mesh * cap = Primitive::disc(segments_second-1, radius_second);
+		cap->rotatePoints(90, 1, 0, 0);
+		cap->translatePoints(radius_main, 0, 0);
+		ret->append(cap);
+		cap->flipNormals();
+		cap->rotatePoints(end_angle, 0, 0, 1);
+		ret->append(cap);
+		delete cap;
+	}
+	return ret;
+}
+
+
+
+
+Mesh * Primitive::cubeFrame(float width, float length, float height) {
+	Mesh * ret = new Mesh(GL_LINES);
+	QVector3D scale(width, length, height);
+	QVector<QVector3D> & v(ret->vertices ());
+	QVector<QVector3D> & n(ret->normals  ());
+	QVector<QVector2D> & t(ret->texcoords());
+	QVector< Vector2i> & i(ret->indicesLines());
+	float hs = 0.5f;
+	v << QVector3D(-hs, -hs, -hs) << QVector3D(-hs,  hs, -hs) << QVector3D( hs,  hs, -hs) << QVector3D( hs, -hs, -hs);
+	v << QVector3D(-hs, -hs,  hs) << QVector3D(-hs,  hs,  hs) << QVector3D( hs,  hs,  hs) << QVector3D( hs, -hs,  hs);
+	for (int j = 0; j < 8; ++j) {
+		v[j] *= scale;
+		t << QVector2D(0, 0);
+		n << QVector3D(0,0,1);
+	}
+	for (int j = 0; j < 4; ++j) {
+		i << Vector2i(j, (j + 1) % 4);
+		i << Vector2i(j, j + 4);
+		i << Vector2i(j + 4, (j + 1) % 4 + 4);
+	}
+	return ret;
+}
+
+
+Mesh * Primitive::ellipsoidFrame(int segments_wl, int segments_h, float radius) {
+	Mesh * ret = new Mesh(GL_LINES);
+	QVector<QVector3D> & v(ret->vertices ());
+	QVector<QVector3D> & n(ret->normals  ());
+	QVector<QVector2D> & t(ret->texcoords());
+	QVector< Vector2i> & ind(ret->indicesLines());
+	int hseg = segments_h + 1, wlseg = segments_wl + 1;
+	double crw, crl, a, ch, twl;
+
+	QVector3D cp;
+	for (int i = 0; i <= hseg; i++) {
+		ch = -cos((double)i / hseg * M_PI);
+		cp.setZ(ch * radius);
+		twl = sqrt(1. - ch * ch);
+		crw = twl * radius;
+		crl = twl * radius;
+		int cvcnt = wlseg * 2;
+		for (int j = 0; j < cvcnt; j++) {
+			a = (double)j / (cvcnt - 1) * M_2PI;
+			cp.setX(crl * cos(a));
+			cp.setY(crw * sin(a));
+			v << cp;
+			t << QVector2D((double)j / (cvcnt - 1), ch/2.f + 0.5f);
+			n << cp.normalized();
+			int si = v.size() - 1;
+			if (j > 0 && i > 0) {
+				ind << Vector2i(si, si - 1);
+				ind << Vector2i(si - cvcnt, si);
+			}
+		}
+	}
+	return ret;
+}
+
+
+Mesh * Primitive::coneFrame(int segments, float radius, float height) {
+	Mesh * ret = new Mesh(GL_LINES);
+	QVector<QVector3D> & v(ret->vertices ());
+	QVector<QVector3D> & n(ret->normals  ());
+	QVector<QVector2D> & t(ret->texcoords());
+	QVector< Vector2i> & ind(ret->indicesLines());
+
+	int seg = qMax(segments + 1, 4);
+	QVector3D cp;
+	for (int i = 0; i < seg; i++) {
+		double a = (double)i / (seg - 1) * M_2PI;
+		cp.setX(radius * cos(a));
+		cp.setY(radius * sin(a));
+		if (i > 0) {
+			v << QVector3D(0, 0, height);
+			t << QVector2D((double)(i - 1) / (seg - 1), 1.f);
+			double ta = ((double)i - 0.5) / (seg - 1) * M_2PI;
+			n << coneNormal(radius, height, ta);
+		}
+		v << cp;
+		t << QVector2D((double)i / (seg - 1), 0.f);
+		n << coneNormal(radius, height, a);
+		int si = v.size() - 1;
+		if (i > 0) {
+			ind << Vector2i(si - 1, si);
+			ind << Vector2i(si - 2, si);
+		}
+	}
+
+	return ret;
+}
+
+
+Mesh * Primitive::lineFrame(QVector3D p0, QVector3D p1) {
+	Mesh * ret = new Mesh(GL_LINES);
+	QVector<QVector3D> & v(ret->vertices ());
+	QVector<QVector3D> & n(ret->normals  ());
+	QVector<QVector2D> & t(ret->texcoords());
+	QVector< Vector2i> & ind(ret->indicesLines());
+	v << p0 << p1;
+	n << QVector3D(0,0,1) << QVector3D(0,0,1);
+	t << QVector2D(0,0) << QVector2D(1,0);
+	ind << Vector2i(0, 1);
+	return ret;
+}
--- a/core/glprimitives.h
+++ b/core/glprimitives.h
@@ -0,0 +1,104 @@
+/*
+	QGL Primitives
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLPRIMITIVE_CUBE_H
+#define GLPRIMITIVE_CUBE_H
+
+#include "gltypes.h"
+
+
+namespace Primitive {
+
+
+Mesh * plane(float width = 1., float length = 1.);
+
+Mesh * cube(float width = 1., float length = 1., float height = 1.);
+
+Mesh * ellipsoid(int segments_wl, int segments_h, float radius = 1., float end_angle = 360.);
+
+Mesh * disc(int segments, float radius = 1., float end_angle = 360.);
+
+Mesh * cone(int segments, float radius = 1., float height = 1.);
+
+Mesh * cylinder(int segments, float radius = 1., float height = 1., float end_angle = 360.);
+
+Mesh * arrow(int segments = 16, float thick = 0.04, float angle = 30.); // length = 1
+
+Mesh * torus(int segments_main = 30, int segments_second = 16, float radius_main = 2.5, float radius_second = 0.5, float end_angle = 360.);
+
+
+Mesh * lineFrame(QVector3D p0, QVector3D p1);
+
+Mesh * cubeFrame(float width = 1., float length = 1., float height = 1.);
+
+Mesh * ellipsoidFrame(int segments_wl, int segments_h, float radius = 1.);
+
+Mesh * coneFrame(int segments, float radius = 1., float height = 1.);
+
+}
+
+/*
+class GLPrimitivePoint: public GLObjectBase
+{
+public:
+	GLPrimitivePoint(double size = 1., QVector3D pos = QVector3D()) {sz = 8.;}
+	virtual void draw(QOpenGLShaderProgram * prog, bool simplest = false);
+private:
+	double sz;
+};
+
+
+
+
+class GLPrimitiveLine: public GLObjectBase
+{
+public:
+	GLPrimitiveLine(QVector3D p0_ = QVector3D(), QVector3D p1_ = QVector3D()) {p0 = p0_; p1 = p1_;}
+	virtual void draw(QOpenGLShaderProgram * prog, bool simplest = false);
+	QVector3D point0() const {return p0;}
+	QVector3D point1() const {return p1;}
+	void setPoint0(const QVector3D & p) {p0 = p;}
+	void setPoint1(const QVector3D & p) {p1 = p;}
+private:
+	QVector3D p0, p1;
+};
+
+
+
+
+class GLPrimitiveEllipsoid: public GLObjectBase
+{
+public:
+	GLPrimitiveEllipsoid(float width = 1., float length = 1., float height = 1., int seg_wl = 10, int seg_h = 10, QVector3D pos = QVector3D());
+	virtual void init();
+private:
+	void putTriangle(const QVector3D & v0, const QVector3D & v1, const QVector3D & v2);
+	float w, l, h;
+	int swl, sh;
+};
+
+
+class GLPrimitiveAxis: public GLObjectBase
+{
+public:
+	GLPrimitiveAxis() {accept_fog = accept_light = cast_shadow = rec_shadow = select_ = false;}
+	virtual void draw(QOpenGLShaderProgram * prog, bool simplest = false);
+};
+*/
+
+#endif // GLPRIMITIVE_CUBE_H
--- a/core/glshaders.cpp
+++ b/core/glshaders.cpp
@@ -0,0 +1,146 @@
+/*
+	QGLEngineShaders
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#include "gltypes.h"
+#include "qglview.h"
+#include "glshaders.h"
+#include "glshaders_headers.h"
+
+using namespace QGLEngineShaders;
+
+
+bool addShader(QOpenGLShaderProgram * prog, QOpenGLShader::ShaderType type, QString & content, const QString & file, bool add_qgl, const QString & defs) {
+	if (type == 0 || content.isEmpty()) {
+		content.clear();
+		return true;
+	}
+	//qDebug() << "[QGLEngine] Shader" << file << "found" << (QOpenGLShader::ShaderTypeBit)(int)type << "section ...";
+	if (add_qgl) {
+		switch (type) {
+		case QOpenGLShader::Fragment:
+			content.prepend(qgl_fragment_head);
+			content.prepend(qgl_uniform);
+			content.prepend(qgl_structs);
+			break;
+		case QOpenGLShader::Vertex  :
+			content.prepend(qgl_vertex_head  );
+			break;
+		case QOpenGLShader::Geometry:
+			content.prepend(qgl_geometry_head);
+			break;
+		}
+	}
+	content.prepend(defs);
+	content.prepend(qgl_common_head);
+	bool ret = prog->addShaderFromSourceCode(type, content.toLatin1());
+	if (!ret) qDebug() << "[QGLEngine] Shader" << file << "Compile error:\n" << prog->log();
+	content.clear();
+	return ret;
+}
+
+
+QString prepareDefines(const QStringList & defines) {
+	if (defines.isEmpty()) return QString();
+	QString ret;
+	foreach (QString s, defines)
+		ret.append("#define " + s + "\n");
+	return ret;
+}
+
+
+bool QGLEngineShaders::loadShadersMulti(QOpenGLShaderProgram *& prog, const QString & file, bool add_qgl, const QStringList & defines) {
+	if (!prog)
+		prog = new QOpenGLShaderProgram();
+	prog->removeAllShaders();
+	QFile f(file);
+	if (!f.open(QIODevice::ReadOnly)) {
+		qDebug() << "[QGLEngine] Shader" << file << "Error: can`t open file!";
+		return false;
+	}
+	QTextStream ts(&f);
+	QString cur_shader, line, pl, defs = prepareDefines(defines);
+	QOpenGLShader::ShaderType type = 0;
+	while (!ts.atEnd()) {
+		line = ts.readLine();
+		pl = line.trimmed().remove(' ').remove('\t').mid(2).toLower();
+		pl.chop(2);
+		if (pl == "vertex" || pl == "vert") {
+			if (!addShader(prog, type, cur_shader, file, add_qgl, defs)) return false;
+			type = QOpenGLShader::Vertex;
+			continue;
+		}
+		if (pl == "fragment" || pl == "frag") {
+			if (!addShader(prog, type, cur_shader, file, add_qgl, defs)) return false;
+			type = QOpenGLShader::Fragment;
+			continue;
+		}
+		if (pl == "geometry" || pl == "geom") {
+			if (!addShader(prog, type, cur_shader, file, add_qgl, defs)) return false;
+			type = QOpenGLShader::Geometry;
+			continue;
+		}
+		if (pl == "tessellation_control") {
+			if (!addShader(prog, type, cur_shader, file, add_qgl, defs)) return false;
+			type = QOpenGLShader::TessellationControl;
+			continue;
+		}
+		if (pl == "tessellation_evaluation") {
+			if (!addShader(prog, type, cur_shader, file, add_qgl, defs)) return false;
+			type = QOpenGLShader::TessellationEvaluation;
+			continue;
+		}
+		cur_shader.append("\n");
+		cur_shader.append(line);
+	}
+	if (!addShader(prog, type, cur_shader, file, add_qgl, defs)) return false;
+	if (!prog->link()) {
+		qDebug() << "[QGLEngine] Shader" << file << "Link error:\n" << prog->log();
+		return false;
+	}
+	qDebug() << "[QGLEngine] Shader" << file << "ok";
+	return true;
+}
+
+
+bool QGLEngineShaders::loadShaders(QOpenGLShaderProgram *& prog, const QStringList & files, bool add_qgl, const QStringList & defines) {
+	if (!prog)
+		prog = new QOpenGLShaderProgram();
+	prog->removeAllShaders();
+	QString cur_shader, defs = prepareDefines(defines);
+	foreach (QString f, files) {
+		QFileInfo fi(f);
+		QOpenGLShader::ShaderType type = 0;
+		if (fi.suffix().toLower() == "vert") type = QOpenGLShader::Vertex  ;
+		if (fi.suffix().toLower() == "frag") type = QOpenGLShader::Fragment;
+		if (fi.suffix().toLower() == "geom") type = QOpenGLShader::Geometry;
+		if (type == 0) continue;
+		QFile file(f);
+		if (!file.open(QIODevice::ReadOnly)) {
+			qDebug() << "[QGLEngine] Shader" << f << "Error: can`t open file!";
+			return false;
+		}
+		cur_shader = file.readAll();
+		if (!addShader(prog, type, cur_shader, f, add_qgl, defs)) return false;
+	}
+	if (!prog->link()) {
+		qDebug() << "[QGLEngine] Shader" << files << "Link error:\n" << prog->log();
+		return false;
+	}
+	qDebug() << "[QGLEngine] Shader" << files << "ok";
+	return true;
+}
--- a/core/glshaders.h
+++ b/core/glshaders.h
@@ -0,0 +1,31 @@
+/*
+	QGLEngineShaders
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLSHADERS_H
+#define GLSHADERS_H
+
+#include "gltypes.h"
+
+namespace QGLEngineShaders {
+
+bool loadShadersMulti(QOpenGLShaderProgram *& prog, const QString & file, bool add_qgl = true, const QStringList & defines = QStringList());
+bool loadShaders(QOpenGLShaderProgram *& prog, const QStringList & files, bool add_qgl = true, const QStringList & defines = QStringList());
+
+}
+
+#endif // GLSHADERS_H
--- a/core/glshaders_headers.h
+++ b/core/glshaders_headers.h
@@ -0,0 +1,127 @@
+/*
+	QGLEngineShaders
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLSHADERS_HEADERS_H
+#define GLSHADERS_HEADERS_H
+
+namespace QGLEngineShaders {
+
+const int max_materials = 128;
+const int max_lights    = 256 ;
+
+const char qgl_common_head[] =
+	"#version 400 core\n"
+	"";
+
+const char qgl_vertex_head[] =
+	"layout(location = 1 ) in vec3 qgl_Vertex        ;\n"
+	"layout(location = 2 ) in vec3 qgl_Normal        ;\n"
+	"layout(location = 3 ) in vec3 qgl_Tangent       ;\n"
+	"layout(location = 4 ) in vec3 qgl_Bitangent     ;\n"
+	"layout(location = 5 ) in vec2 qgl_Texture       ;\n"
+	"layout(location = 6 ) in uint qgl_Material      ;\n"
+	"layout(location = 7 ) in uint qgl_ObjectSelected;\n"
+	"layout(location = 8 ) in uint qgl_ObjectID      ;\n"
+	"layout(location = 9 ) in vec4 qgl_ObjectColor   ;\n"
+	"layout(location = 10) in mat4 qgl_ModelMatrix   ;\n"
+	"out vec2 qgl_FragTexture;\n"
+	"flat out uint qgl_MaterialIndex;\n"
+	"uniform mat4 qgl_ViewMatrix;\n"
+	"uniform mat4 qgl_ViewProjMatrix;\n"
+	"mat3 qgl_getNormalMatrix()  {return inverse(mat3(qgl_ViewMatrix * qgl_ModelMatrix));}\n"
+	"mat3 qgl_getTangentMatrix() {return mat3(qgl_ViewMatrix * qgl_ModelMatrix);}\n"
+	"vec4 qgl_ftransform() {return qgl_ViewProjMatrix * (qgl_ModelMatrix * vec4(qgl_Vertex, 1));}\n"
+	"";
+
+const char qgl_fragment_head[] =
+	"in vec2 qgl_FragTexture;\n"
+	"flat in uint qgl_MaterialIndex;\n"
+	"out vec4 qgl_FragData[gl_MaxDrawBuffers];\n"
+	"vec4 qgl_materialTexture(uint type, vec2 coord, vec4 tex_shift) {\n"
+	"	coord *= qgl_material[qgl_MaterialIndex].map[type].scale;\n"
+	"	vec4 t = texture(qgl_texture_array[qgl_material[qgl_MaterialIndex].map[type].array_index],\n"
+	"						   vec3(coord, qgl_material[qgl_MaterialIndex].map[type].map_index));\n"
+	"	t += tex_shift;\n"
+	"	t.rgb = t.rgb * qgl_material[qgl_MaterialIndex].map[type].amount + qgl_material[qgl_MaterialIndex].map[type].offset;\n"
+	"	return t;\n"
+	"}\n"
+	"#define qgl_FragColor qgl_FragData[0]\n"
+	"";
+
+const char qgl_geometry_head[] =
+	"";
+
+const char qgl_structs[] =
+	"#define QGL_MAPS_COUNT    6\n"
+	"#define QGL_MAP_DIFFUSE   0\n"
+	"#define QGL_MAP_NORMAL    1\n"
+	"#define QGL_MAP_METALNESS 2\n"
+	"#define QGL_MAP_ROUGHNESS 3\n"
+	"#define QGL_MAP_EMISSION  4\n"
+	"#define QGL_MAP_RELIEF    5\n"
+	"#define QGL_TEXTURE_ARRAY_EMPTY 0\n"
+	"#define QGL_TEXTURE_ARRAY_MAPS  1\n"
+	"struct QGLMap {\n"
+	"	float offset;\n"
+	"	float amount;\n"
+	"	vec2 scale;\n"
+	"	uint array_index;\n"
+	"	uint map_index;\n"
+	"};\n"
+	"struct QGLMaterial {\n"
+	"	vec4 color_diffuse;\n"
+	//"	vec4 color_specular;\n"
+	"	vec4 color_emission;\n"
+	"	float transparency;\n"
+	"	float reflectivity;\n"
+	"	float iof;\n"
+	"	float dispersion;\n"
+	"	QGLMap map[QGL_MAPS_COUNT];\n"
+	"};\n"
+	"struct QGLLightParameter {\n"
+	"	vec4 color;\n"
+	"	vec4 decay_intensity;\n"
+	"	vec4 angles;\n"
+	//"	sampler2DShadow shadow;\n"
+	//"	sampler2D shadowColor\n"
+	//"	mat4 shadowMatrix;\n"
+	//"	vec4 shadowDir0;\n"
+	//"	vec4 shadowDir1;\n"
+	"};\n"
+	"struct QGLLightPosition {\n"
+	"	vec4 position;\n"
+	"	vec4 direction;\n"
+	"};\n"
+	"";
+
+const char qgl_uniform[] =
+	"layout (std140) uniform QGLMaterialData {\n"
+	"	QGLMaterial qgl_material[128];\n"
+	"};\n"
+	"layout (std140) uniform QGLLightParameterData {\n"
+	"	QGLLightParameter qgl_light_parameter[256];\n"
+	"};\n"
+	"layout (std140) uniform QGLLightPositionData {\n"
+	"	QGLLightPosition qgl_light_position[256];\n"
+	"};\n"
+	"uniform sampler2DArray qgl_texture_array[2];\n"
+	"";
+
+}
+
+#endif // GLSHADERS_HEADERS_H
--- a/core/glshaders_types.cpp
+++ b/core/glshaders_types.cpp
@@ -0,0 +1,97 @@
+/*
+	QGLEngineShaders
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#include "glshaders_types.h"
+
+
+QGLEngineShaders::QGLMap::QGLMap() {
+	offset = 0.;
+	amount = 1.;
+	scale = QVector2D(1., 1.);
+	array_index = map_index = 0;
+}
+
+
+QGLEngineShaders::QGLMaterial::QGLMaterial() {
+	color_diffuse  = QVector4D(1., 1., 1., 0.);
+	color_emission = QVector4D(0., 0., 0., 0.);
+	transparency = 0.;
+	reflectivity = 0.;
+	iof = 0.;
+	dispersion = 0.;
+	map[mtNormal].map_index = emrBlue;
+	map[mtRoughness].amount = 0.75;
+	map[mtMetalness].amount = 0.25;
+}
+
+
+void QGLEngineShaders::prepareDrawGeom(QOpenGLExtraFunctions * f) {
+	//qDebug() << "prepareDrawGeom";
+
+	f->glEnableVertexAttribArray(pos_loc      );
+	f->glEnableVertexAttribArray(normal_loc   );
+	f->glEnableVertexAttribArray(tangent_loc  );
+	f->glEnableVertexAttribArray(bitangent_loc);
+	f->glEnableVertexAttribArray(tex_loc      );
+
+	int size = sizeof(Vertex);
+	f->glVertexAttribPointer(pos_loc      , 3, GL_FLOAT, GL_FALSE, size, (const void *)pos_offset      );
+	f->glVertexAttribPointer(normal_loc   , 3, GL_FLOAT, GL_FALSE, size, (const void *)normal_offset   );
+	f->glVertexAttribPointer(tangent_loc  , 3, GL_FLOAT, GL_FALSE, size, (const void *)tangent_offset  );
+	f->glVertexAttribPointer(bitangent_loc, 3, GL_FLOAT, GL_FALSE, size, (const void *)bitangent_offset);
+	f->glVertexAttribPointer(tex_loc      , 2, GL_FLOAT, GL_FALSE, size, (const void *)tex_offset      );
+}
+
+
+void QGLEngineShaders::prepareDrawObj(QOpenGLExtraFunctions * f) {
+	//qDebug() << "prepareDrawObj";
+
+	f->glEnableVertexAttribArray(material_loc );
+	f->glEnableVertexAttribArray(object_id_loc);
+	f->glEnableVertexAttribArray(color_loc    );
+	for (int i = 0; i < 4; ++i) {
+		f->glEnableVertexAttribArray(modelmatrix_loc + i);
+	}
+
+	GLsizei size = sizeof(Object);
+	f->glVertexAttribIPointer(material_loc , 1, GL_UNSIGNED_INT   , size, (const void *)material_offset );
+	f->glVertexAttribIPointer(object_id_loc, 1, GL_UNSIGNED_INT   , size, (const void *)object_id_offset);
+	f->glVertexAttribPointer (color_loc    , 4, GL_FLOAT, GL_FALSE, size, (const void *)color_offset    );
+	for (int i = 0; i < 4; ++i) {
+		f->glVertexAttribPointer(modelmatrix_loc + i, 4, GL_FLOAT, GL_FALSE, size, (const void *)(modelmatrix_offset + sizeof(QVector4D)*i));
+	}
+
+	f->glVertexAttribDivisor(material_loc , 1);
+	f->glVertexAttribDivisor(object_id_loc, 1);
+	f->glVertexAttribDivisor(color_loc    , 1);
+	for (int i = 0; i < 4; ++i) {
+		f->glVertexAttribDivisor(modelmatrix_loc + i, 1);
+	}
+
+}
+
+
+void QGLEngineShaders::prepareDrawSel(QOpenGLExtraFunctions * f) {
+	//qDebug() << "prepareDrawObj";
+
+	f->glEnableVertexAttribArray(is_selected_loc);
+	GLsizei size = 1;
+	f->glVertexAttribIPointer(is_selected_loc, 1, GL_UNSIGNED_BYTE, size, (const void *)is_selected_offset);
+	f->glVertexAttribDivisor(is_selected_loc, 1);
+
+}
--- a/core/glshaders_types.h
+++ b/core/glshaders_types.h
@@ -0,0 +1,144 @@
+/*
+	QGLEngineShaders
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLSHADERS_TYPES_H
+#define GLSHADERS_TYPES_H
+
+#include "gltypes.h"
+
+namespace QGLEngineShaders {
+
+
+/// VBO
+
+// geometry
+const GLsizei pos_offset       = 0;
+const GLsizei normal_offset    = sizeof(QVector3D) + pos_offset      ;
+const GLsizei tangent_offset   = sizeof(QVector3D) + normal_offset   ;
+const GLsizei bitangent_offset = sizeof(QVector3D) + tangent_offset  ;
+const GLsizei tex_offset       = sizeof(QVector3D) + bitangent_offset;
+
+// object
+const GLsizei material_offset    = 0;
+const GLsizei object_id_offset   = sizeof(GLuint   ) + material_offset ;
+const GLsizei color_offset       = sizeof(GLuint   ) + object_id_offset ;
+const GLsizei modelmatrix_offset = sizeof(QVector4D) + color_offset;
+
+const GLsizei is_selected_offset = 0;
+
+const GLuint pos_loc         = 1 ;  // qgl_Vertex
+const GLuint normal_loc      = 2 ;  // qgl_Normal
+const GLuint tangent_loc     = 3 ;  // qgl_Tangent
+const GLuint bitangent_loc   = 4 ;  // qgl_Bitangent
+const GLuint tex_loc         = 5 ;  // qgl_Texture
+
+const GLuint material_loc    = 6 ;  // qgl_Material
+const GLuint object_id_loc   = 8 ;  // qgl_ObjectID
+const GLuint color_loc       = 9 ;  // qgl_ObjectColor
+const GLuint modelmatrix_loc = 10;  // qgl_ModelViewProjectionMatrix
+
+const GLuint is_selected_loc = 7 ;  // qgl_ObjectSelected
+
+#pragma pack(push, 1)
+struct Vertex {
+	QVector3D pos;
+	QVector3D normal;
+	QVector3D tangent;
+	QVector3D bitangent;
+	QVector2D tex;
+};
+struct Object {
+	Object() {
+		material = object_id = 0;
+		color = QVector4D(1,1,1,1);
+		QMatrix4x4().copyDataTo(modelmatrix);
+	}
+	GLuint    material;
+	GLuint    object_id;
+	QVector4D color;
+	GLfloat   modelmatrix[16];
+};
+#pragma pack(pop)
+
+
+/// UBO
+
+enum BindingPoints {
+	bpMaterials,
+	bpLightParameters,
+	bpLightPositions,
+};
+
+enum MapType {
+	mtDiffuse   = 0,
+	mtNormal    = 1,
+	mtMetalness  = 2,
+	mtRoughness = 3,
+	mtEmission  = 4,
+	mtRelief    = 5,
+};
+enum TextureArrayRole {
+	tarEmpty = 0,
+	tarMaps  = 1,
+};
+enum EmptyMapRole {
+	emrWhite = 0,
+	emrBlue  = 1,
+};
+#define QGL_MAPS_COUNT 6
+#pragma pack(push, 1)
+struct QGLMap {
+	QGLMap();
+	GLfloat offset;
+	GLfloat amount;
+	QVector2D scale;
+	GLuint array_index;
+	GLuint map_index;
+	GLfloat __res_2[2];
+};
+struct QGLMaterial {
+	QGLMaterial();
+	QVector4D color_diffuse;
+	QVector4D color_emission;
+	GLfloat transparency;
+	GLfloat reflectivity;
+	GLfloat iof;
+	GLfloat dispersion;
+	QGLMap map[QGL_MAPS_COUNT];
+};
+struct QGLLightParameter {
+	QVector4D color;
+	QVector4D decay_intensity; // [^0, ^1, ^2, intensity]
+	QVector4D angles; // [start, cos(start), end, cos(end)]
+	//GLfloat shadow;
+	//GLfloat shadowMatrix[16];
+};
+struct QGLLightPosition {
+	QVector4D position;
+	QVector4D direction;
+};
+#pragma pack(pop)
+
+void prepareDrawGeom(QOpenGLExtraFunctions * f);
+void prepareDrawObj (QOpenGLExtraFunctions * f);
+void prepareDrawSel (QOpenGLExtraFunctions * f);
+
+
+}
+
+#endif // GLSHADERS_TYPES_H
--- a/core/gltexturearray.cpp
+++ b/core/gltexturearray.cpp
@@ -0,0 +1,96 @@
+/*
+	QGL Texture2DArray
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#define GL_GLEXT_PROTOTYPES
+#include <QOpenGLExtraFunctions>
+#include "gltexturearray.h"
+
+
+Texture2DArray::Texture2DArray(bool filter) {
+	target_ = GL_TEXTURE_2D_ARRAY;
+	texture_ = 0;
+	layers_ = 0;
+	filtering_ = filter;
+}
+
+
+Texture2DArray::~Texture2DArray() {
+}
+
+
+void Texture2DArray::init(QOpenGLExtraFunctions * f) {
+	if (!isInit()) {
+		f->glGenTextures(1, &texture_);
+	}
+}
+
+
+void Texture2DArray::destroy(QOpenGLExtraFunctions * f) {
+	if (texture_ != 0) {
+		f->glDeleteTextures(1, &texture_);
+	}
+	texture_ = 0;
+}
+
+
+void Texture2DArray::bind(QOpenGLExtraFunctions * f, int channel) {
+	f->glActiveTexture(GL_TEXTURE0 + channel);
+	f->glBindTexture(target_, texture_);
+}
+
+
+void Texture2DArray::release(QOpenGLExtraFunctions * f) {
+	f->glBindTexture(target_, 0);
+}
+
+
+bool Texture2DArray::resize(QOpenGLExtraFunctions * f, QSize new_size, int layers_count) {
+	if (new_size.isNull() || layers_count <= 0) return false;
+	if ((size_ == new_size) && (layers_ >= layers_count)) return false;
+	size_ = new_size;
+	layers_ = layers_count;
+	f->glBindTexture(target_, texture_);
+	f->glTexParameteri(target_, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	f->glTexParameteri(target_, GL_TEXTURE_WRAP_T, GL_REPEAT);
+	if (filtering_) {
+		f->glTexParameteri(target_, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+		f->glTexParameteri(target_, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+		f->glTexParameteri(target_, GL_TEXTURE_MAX_ANISOTROPY_EXT, 8);
+	} else {
+		f->glTexParameteri(target_, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+		f->glTexParameteri(target_, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	}
+	f->glTexImage3D(target_, 0, GL_RGBA8, size_.width(), size_.height(), layers_, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
+	return true;
+}
+
+
+void Texture2DArray::load(QOpenGLExtraFunctions * f, const QImage & image, int layer) {
+	if (image.isNull() || size_.isNull() || layer < 0 || layer >= layers_) return;
+	QImage im = image.mirrored(false, true)
+					 .scaled(size_, Qt::IgnoreAspectRatio, Qt::SmoothTransformation)
+					 .convertToFormat(QImage::Format_RGBA8888);
+	//qDebug() << "Texture2DArray::load image" << image.size() << "to layer" << layer;
+	f->glTexSubImage3D(target_, 0, 0, 0, layer, size_.width(), size_.height(), 1, GL_RGBA, GL_UNSIGNED_BYTE, im.constBits());
+}
+
+
+void Texture2DArray::mipmaps(QOpenGLExtraFunctions * f) {
+	f->glBindTexture(target_, texture_);
+	f->glGenerateMipmap(target_);
+}
--- a/core/gltexturearray.h
+++ b/core/gltexturearray.h
@@ -0,0 +1,56 @@
+/*
+	QGL Texture2DArray
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLTEXTUREARRAY_H
+#define GLTEXTUREARRAY_H
+
+#include "gltypes.h"
+
+
+class Texture2DArray
+{
+	friend class ObjectBase;
+public:
+	Texture2DArray(bool filter);
+	~Texture2DArray();
+
+	void init    (QOpenGLExtraFunctions * f);
+	void destroy (QOpenGLExtraFunctions * f);
+
+	void bind    (QOpenGLExtraFunctions * f, int channel = 0);
+	void release (QOpenGLExtraFunctions * f);
+
+	// returns true if size changed
+	bool resize  (QOpenGLExtraFunctions * f, QSize new_size, int layers_count);
+	void load    (QOpenGLExtraFunctions * f, const QImage & image, int layer);
+	void mipmaps (QOpenGLExtraFunctions * f);
+
+	GLuint ID() const {return texture_;}
+	bool isInit() const {return texture_ != 0;}
+
+private:
+	GLenum target_;
+	GLuint texture_;
+	QSize size_;
+	int layers_;
+	bool filtering_;
+
+};
+
+
+#endif // GLTEXTUREARRAY_H
--- a/core/gltransform.cpp
+++ b/core/gltransform.cpp
@@ -0,0 +1,441 @@
+/*
+	QGL Transform
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+
+#include "gltransform.h"
+#include "gltypes.h"
+#include <cmath>
+
+
+inline void composeQMatrix4x4(const QVector3D & position, const QVector3D & orientation, const QVector3D & scale, QMatrix4x4 &m) {
+	const QMatrix3x3 rot3x3(Transform::toRotationMatrix(orientation));
+
+	// set up final matrix with scale, rotation and translation
+	m(0, 0) = scale.x() * rot3x3(0, 0); m(0, 1) = scale.y() * rot3x3(0, 1); m(0, 2) = scale.z() * rot3x3(0, 2); m(0, 3) = position.x();
+	m(1, 0) = scale.x() * rot3x3(1, 0); m(1, 1) = scale.y() * rot3x3(1, 1); m(1, 2) = scale.z() * rot3x3(1, 2); m(1, 3) = position.y();
+	m(2, 0) = scale.x() * rot3x3(2, 0); m(2, 1) = scale.y() * rot3x3(2, 1); m(2, 2) = scale.z() * rot3x3(2, 2); m(2, 3) = position.z();
+	// no projection term
+	m(3, 0) = 0.0f; m(3, 1) = 0.0f; m(3, 2) = 0.0f; m(3, 3) = 1.0f;
+}
+
+inline void decomposeQMatrix3x3(const QMatrix3x3 & m, QMatrix3x3 & Q, QVector3D & D, QVector3D & U) {
+	// Factor M = QR = QDU where Q is orthogonal, D is diagonal,
+	// and U is upper triangular with ones on its diagonal.
+	// Algorithm uses Gram-Schmidt orthogonalization (the QR algorithm).
+	//
+	// If M = [ m0 | m1 | m2 ] and Q = [ q0 | q1 | q2 ], then
+	//   q0 = m0/|m0|
+	//   q1 = (m1-(q0*m1)q0)/|m1-(q0*m1)q0|
+	//   q2 = (m2-(q0*m2)q0-(q1*m2)q1)/|m2-(q0*m2)q0-(q1*m2)q1|
+	//
+	// where |V| indicates length of vector V and A*B indicates dot
+	// product of vectors A and B.  The matrix R has entries
+	//
+	//   r00 = q0*m0  r01 = q0*m1  r02 = q0*m2
+	//   r10 = 0      r11 = q1*m1  r12 = q1*m2
+	//   r20 = 0      r21 = 0      r22 = q2*m2
+	//
+	// so D = diag(r00,r11,r22) and U has entries u01 = r01/r00,
+	// u02 = r02/r00, and u12 = r12/r11.
+
+	// Q = rotation
+	// D = scaling
+	// U = shear
+
+	// D stores the three diagonal entries r00, r11, r22
+	// U stores the entries U[0] = u01, U[1] = u02, U[2] = u12
+
+	// build orthogonal matrix Q
+	float invLen = 1.0f / std::sqrt(m(0, 0) * m(0, 0) + m(1, 0) * m(1, 0) + m(2, 0) * m(2, 0));
+	Q(0, 0) = m(0, 0) * invLen;
+	Q(1, 0) = m(1, 0) * invLen;
+	Q(2, 0) = m(2, 0) * invLen;
+
+	float dot = Q(0, 0) * m(0, 1) + Q(1, 0) * m(1, 1) + Q(2, 0) * m(2, 1);
+	Q(0, 1) = m(0, 1) - dot * Q(0, 0);
+	Q(1, 1) = m(1, 1) - dot * Q(1, 0);
+	Q(2, 1) = m(2, 1) - dot * Q(2, 0);
+	invLen = 1.0f / std::sqrt(Q(0, 1) * Q(0, 1) + Q(1, 1) * Q(1, 1) + Q(2, 1) * Q(2, 1));
+	Q(0, 1) *= invLen;
+	Q(1, 1) *= invLen;
+	Q(2, 1) *= invLen;
+
+	dot = Q(0, 0) * m(0, 2) + Q(1, 0) * m(1, 2) + Q(2, 0) * m(2, 2);
+	Q(0, 2) = m(0, 2) - dot * Q(0, 0);
+	Q(1, 2) = m(1, 2) - dot * Q(1, 0);
+	Q(2, 2) = m(2, 2) - dot * Q(2, 0);
+	dot = Q(0, 1) * m(0, 2) + Q(1, 1) * m(1, 2) + Q(2, 1) * m(2, 2);
+	Q(0, 2) -= dot * Q(0, 1);
+	Q(1, 2) -= dot * Q(1, 1);
+	Q(2, 2) -= dot * Q(2, 1);
+	invLen = 1.0f / std::sqrt(Q(0, 2) * Q(0, 2) + Q(1, 2) * Q(1, 2) + Q(2, 2) * Q(2, 2));
+	Q(0, 2) *= invLen;
+	Q(1, 2) *= invLen;
+	Q(2, 2) *= invLen;
+
+	// guarantee that orthogonal matrix has determinant 1 (no reflections)
+	const float det = Q(0, 0) * Q(1, 1) * Q(2, 2) + Q(0, 1) * Q(1, 2) * Q(2, 0) +
+					  Q(0, 2) * Q(1, 0) * Q(2, 1) - Q(0, 2) * Q(1, 1) * Q(2, 0) -
+					  Q(0, 1) * Q(1, 0) * Q(2, 2) - Q(0, 0) * Q(1, 2) * Q(2, 1);
+	if (det < 0.0f)
+		Q *= -1.0f;
+
+	// build "right" matrix R
+	QMatrix3x3 R(Qt::Uninitialized);
+	R(0, 0) = Q(0, 0) * m(0, 0) + Q(1, 0) * m(1, 0) + Q(2, 0) * m(2, 0);
+	R(0, 1) = Q(0, 0) * m(0, 1) + Q(1, 0) * m(1, 1) + Q(2, 0) * m(2, 1);
+	R(1, 1) = Q(0, 1) * m(0, 1) + Q(1, 1) * m(1, 1) + Q(2, 1) * m(2, 1);
+	R(0, 2) = Q(0, 0) * m(0, 2) + Q(1, 0) * m(1, 2) + Q(2, 0) * m(2, 2);
+	R(1, 2) = Q(0, 1) * m(0, 2) + Q(1, 1) * m(1, 2) + Q(2, 1) * m(2, 2);
+	R(2, 2) = Q(0, 2) * m(0, 2) + Q(1, 2) * m(1, 2) + Q(2, 2) * m(2, 2);
+
+	// the scaling component
+	D[0] = R(0, 0);
+	D[1] = R(1, 1);
+	D[2] = R(2, 2);
+
+	// the shear component
+	U[0] = R(0, 1) / D[0];
+	U[1] = R(0, 2) / D[0];
+	U[2] = R(1, 2) / D[1];
+}
+
+inline bool hasScale(const QMatrix4x4 &m) {
+	// If the columns are orthonormal and form a right-handed system, then there is no scale
+	float t(m.determinant());
+	if (!qFuzzyIsNull(t - 1.0f))
+		return true;
+	t = m(0, 0) * m(0, 0) + m(1, 0) * m(1, 0) + m(2, 0) * m(2, 0);
+	if (!qFuzzyIsNull(t - 1.0f))
+		return true;
+	t = m(0, 1) * m(0, 1) + m(1, 1) * m(1, 1) + m(2, 1) * m(2, 1);
+	if (!qFuzzyIsNull(t - 1.0f))
+		return true;
+	t = m(0, 2) * m(0, 2) + m(1, 2) * m(1, 2) + m(2, 2) * m(2, 2);
+	if (!qFuzzyIsNull(t - 1.0f))
+		return true;
+	return false;
+}
+
+inline void decomposeQMatrix4x4(const QMatrix4x4 & m, QVector3D & position, QVector3D & orientation, QVector3D & scale) {
+	Q_ASSERT(m.isAffine());
+
+	const QMatrix3x3 m3x3(m.toGenericMatrix<3, 3>());
+
+	QMatrix3x3 rot3x3(Qt::Uninitialized);
+	if (hasScale(m)) {
+		decomposeQMatrix3x3(m3x3, rot3x3, scale, position);
+	} else {
+		// we know there is no scaling part; no need for QDU decomposition
+		scale = QVector3D(1.0f, 1.0f, 1.0f);
+		rot3x3 = m3x3;
+	}
+	orientation = Transform::fromRotationMatrix(rot3x3);
+	position = QVector3D(m(0, 3), m(1, 3), m(2, 3));
+}
+
+
+
+
+Transform::Transform(): m_scale(1.0f, 1.0f, 1.0f),
+	m_translation(), m_eulerRotationAngles(), m_matrixDirty(false) {
+}
+
+
+Transform & Transform::operator =(const Transform & t) {
+	m_scale = t.m_scale;
+	m_translation = t.m_translation;
+	m_eulerRotationAngles = t.m_eulerRotationAngles;
+	m_matrixDirty = true;
+	return *this;
+}
+
+
+void Transform::setMatrix(const QMatrix4x4 & m) {
+	if (m != matrix()) {
+		m_matrix = m;
+		m_matrixDirty = false;
+		QVector3D s;
+		QVector3D t;
+		QVector3D r;
+		decomposeQMatrix4x4(m, t, r, s);
+		m_scale = s;
+		m_translation = t;
+		m_eulerRotationAngles = r;
+	}
+}
+
+
+void Transform::setRotationX(float r) {
+	if (m_eulerRotationAngles.x() == r)
+		return;
+	m_eulerRotationAngles.setX(r);
+	m_matrixDirty = true;
+}
+
+
+void Transform::setRotationY(float r) {
+	if (m_eulerRotationAngles.y() == r)
+		return;
+	m_eulerRotationAngles.setY(r);
+	m_matrixDirty = true;
+}
+
+
+void Transform::setRotationZ(float r) {
+	if (m_eulerRotationAngles.z() == r)
+		return;
+	m_eulerRotationAngles.setZ(r);
+	m_matrixDirty = true;
+}
+
+
+QMatrix4x4 Transform::matrix() const {
+	buildMatrix();
+	return m_matrix;
+}
+
+
+QMatrix4x4 Transform::matrixRotate() const {
+	buildMatrix();
+	return m_matrixR;
+}
+
+
+QMatrix4x4 Transform::matrixScale() const {
+	buildMatrix();
+	return m_matrixS;
+}
+
+
+QMatrix4x4 Transform::matrixRotateScale() const {
+	buildMatrix();
+	return m_matrixWT;
+}
+
+
+QVector3D Transform::direction() const {
+	return matrixRotate().mapVector(QVector3D(0,0,-1)).normalized();
+}
+
+
+void Transform::buildMatrix() const {
+	if (m_matrixDirty) {
+		composeQMatrix4x4(m_translation, m_eulerRotationAngles, m_scale, m_matrix);
+		composeQMatrix4x4(QVector3D(), m_eulerRotationAngles, m_scale, m_matrixWT);
+		composeQMatrix4x4(QVector3D(), m_eulerRotationAngles, QVector3D(1,1,1), m_matrixR);
+		composeQMatrix4x4(QVector3D(), QVector3D(), m_scale, m_matrixS);
+		m_matrixDirty = false;
+	}
+}
+
+
+float Transform::rotationX() const {
+	return m_eulerRotationAngles.x();
+}
+
+
+float Transform::rotationY() const {
+	return m_eulerRotationAngles.y();
+}
+
+
+float Transform::rotationZ() const {
+	return m_eulerRotationAngles.z();
+}
+
+
+void Transform::setScale(const QVector3D & s) {
+	if (s != m_scale) {
+		m_scale = s;
+		m_matrixDirty = true;
+	}
+}
+
+
+void Transform::setScaleX(float s) {
+	if (s != m_scale.x()) {
+		m_scale.setX(s);
+		m_matrixDirty = true;
+	}
+}
+
+
+void Transform::setScaleY(float s) {
+	if (s != m_scale.y()) {
+		m_scale.setY(s);
+		m_matrixDirty = true;
+	}
+}
+
+
+void Transform::setScaleZ(float s) {
+	if (s != m_scale.z()) {
+		m_scale.setZ(s);
+		m_matrixDirty = true;
+	}
+}
+
+
+QVector3D Transform::scale3D() const {
+	return m_scale;
+}
+
+
+float Transform::scale() const {
+	return m_scale.x();
+}
+
+
+void Transform::setRotation(const QVector3D & r) {
+	if (r != m_eulerRotationAngles) {
+		m_eulerRotationAngles = r;
+		m_matrixDirty = true;
+	}
+}
+
+
+QVector3D Transform::rotation() const {
+	return m_eulerRotationAngles;
+}
+
+
+void Transform::setTranslation(const QVector3D & t) {
+	if (t != m_translation) {
+		m_translation = t;
+		m_matrixDirty = true;
+	}
+}
+
+
+void Transform::setTranslationX(float t) {
+	if (t != m_translation.x()) {
+		m_translation.setX(t);
+		m_matrixDirty = true;
+	}
+}
+
+
+void Transform::setTranslationY(float t) {
+	if (t != m_translation.y()) {
+		m_translation.setY(t);
+		m_matrixDirty = true;
+	}
+}
+
+
+void Transform::setTranslationZ(float t) {
+	if (t != m_translation.z()) {
+		m_translation.setZ(t);
+		m_matrixDirty = true;
+	}
+}
+
+
+QVector3D Transform::translation() const {
+	return m_translation;
+}
+
+
+QQuaternion Transform::fromAxisAndAngle(const QVector3D & axis, float angle) {
+	return QQuaternion::fromAxisAndAngle(axis, angle);
+}
+
+
+QQuaternion Transform::fromAxisAndAngle(float x, float y, float z, float angle) {
+	return QQuaternion::fromAxisAndAngle(x, y, z, angle);
+}
+
+
+QQuaternion Transform::fromAxesAndAngles(const QVector3D & axis1, float angle1,
+										 const QVector3D & axis2, float angle2) {
+	const QQuaternion q1 = QQuaternion::fromAxisAndAngle(axis1, angle1);
+	const QQuaternion q2 = QQuaternion::fromAxisAndAngle(axis2, angle2);
+	return q2 * q1;
+}
+
+
+QQuaternion Transform::fromAxesAndAngles(const QVector3D & axis1, float angle1,
+										 const QVector3D & axis2, float angle2,
+										 const QVector3D & axis3, float angle3) {
+	const QQuaternion q1 = QQuaternion::fromAxisAndAngle(axis1, angle1);
+	const QQuaternion q2 = QQuaternion::fromAxisAndAngle(axis2, angle2);
+	const QQuaternion q3 = QQuaternion::fromAxisAndAngle(axis3, angle3);
+	return q3 * q2 * q1;
+}
+
+
+QQuaternion Transform::fromAxes(const QVector3D & xAxis, const QVector3D & yAxis, const QVector3D & zAxis) {
+	return QQuaternion::fromAxes(xAxis, yAxis, zAxis);
+}
+
+
+QVector3D Transform::fromDirection(QVector3D d, float pitch) {
+	QVector3D ret;
+	d.normalize();
+	ret[0] = M_PI - acos(d.z());
+	ret[1] = pitch * deg2rad;
+	ret[2] = -atan2(d.x(), d.y());
+	normalizeAngleRad(ret[0]);
+	normalizeAngleRad(ret[2]);
+	return ret * rad2deg;
+}
+
+
+QVector3D Transform::fromRotationMatrix(const QMatrix3x3 & m) {
+	//return QQuaternion::fromRotationMatrix(m);
+	float sy = sqrt(m(0,0) * m(0,0) + m(1,0) * m(1,0));
+	bool singular = sy < 1.E-6; // If
+	float x, y, z;
+	if (!singular) {
+		x = atan2( m(2,1), m(2,2));
+		y = atan2(-m(2,0), sy);
+		z = atan2( m(1,0), m(0,0));
+	} else {
+		x = atan2(-m(1,2), m(1,1));
+		y = atan2(-m(2,0), sy);
+		z = 0.;
+	}
+	return QVector3D(x, y, z) * rad2deg;
+}
+
+
+QMatrix3x3 Transform::toRotationMatrix(const QVector3D & r) {
+	QMatrix4x4 m;
+	if (r.z() != 0.f) m.rotate(r.z(), 0., 0., 1.);
+	if (r.y() != 0.f) m.rotate(r.y(), 0., 1., 0.);
+	if (r.x() != 0.f) m.rotate(r.x(), 1., 0., 0.);
+	return m.toGenericMatrix<3,3>();
+}
+
+
+QMatrix4x4 Transform::rotateAround(const QVector3D & point, float angle, const QVector3D & axis) {
+	QMatrix4x4 m;
+	m.translate(point);
+	m.rotate(angle, axis);
+	m.translate(-point);
+	return m;
+}
+
+
+QMatrix4x4 Transform::rotateFromAxes(const QVector3D & xAxis, const QVector3D & yAxis, const QVector3D & zAxis) {
+	return QMatrix4x4(xAxis.x(), yAxis.x(), zAxis.x(), 0.0f,
+					  xAxis.y(), yAxis.y(), zAxis.y(), 0.0f,
+					  xAxis.z(), yAxis.z(), zAxis.z(), 0.0f,
+					  0.0f, 0.0f, 0.0f, 1.0f);
+}
--- a/core/gltransform.h
+++ b/core/gltransform.h
@@ -0,0 +1,119 @@
+/*
+	QGL Transform
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLTRANSFORM_H
+#define GLTRANSFORM_H
+
+#include <QMatrix4x4>
+#include <QQuaternion>
+#include <QVector3D>
+#include <chunkstream.h>
+
+
+class Transform {
+	friend QDataStream & operator >>(QDataStream & s, Transform & v);
+public:
+	Transform();
+	Transform & operator =(const Transform & t);
+
+	float scale() const;
+	QVector3D scale3D() const;
+	QVector3D rotation() const;
+	QVector3D translation() const;
+	QMatrix4x4 matrix() const;
+	QMatrix4x4 matrixRotate() const;
+	QMatrix4x4 matrixScale() const;
+	QMatrix4x4 matrixRotateScale() const;
+	QVector3D direction() const;
+
+	float rotationX() const;
+	float rotationY() const;
+	float rotationZ() const;
+
+	void setScale(float s) {setScale(QVector3D(s, s, s));}
+	void setScale(const QVector3D & s);
+	void setScaleX(float s);
+	void setScaleY(float s);
+	void setScaleZ(float s);
+
+	void setRotation(const QVector3D & r);
+	void setRotationX(float r);
+	void setRotationY(float r);
+	void setRotationZ(float r);
+
+	void setTranslation(const QVector3D & t);
+	void setTranslationX(float t);
+	void setTranslationY(float t);
+	void setTranslationZ(float t);
+
+	void setMatrix(const QMatrix4x4 & matrix);
+	void setDirty(bool yes = true) {m_matrixDirty = yes;}
+
+
+	static QQuaternion fromAxisAndAngle(const QVector3D & axis, float angle);
+	static QQuaternion fromAxisAndAngle(float x, float y, float z, float angle);
+
+	static QQuaternion fromAxesAndAngles(const QVector3D & axis1, float angle1,
+													 const QVector3D & axis2, float angle2);
+	static QQuaternion fromAxesAndAngles(const QVector3D & axis1, float angle1,
+													 const QVector3D & axis2, float angle2,
+													 const QVector3D & axis3, float angle3);
+	static QQuaternion fromAxes(const QVector3D & xAxis, const QVector3D & yAxis, const QVector3D & zAxis);
+
+	static QVector3D fromDirection(QVector3D d, float pitch = 0.f);
+	static QVector3D fromRotationMatrix(const QMatrix3x3 & m);
+	static QMatrix3x3 toRotationMatrix(const QVector3D & r);
+
+	static QMatrix4x4 rotateAround(const QVector3D & point, float angle, const QVector3D & axis);
+	static QMatrix4x4 rotateFromAxes(const QVector3D & xAxis, const QVector3D & yAxis, const QVector3D & zAxis);
+
+protected:
+	void buildMatrix() const;
+
+	QVector3D m_scale;
+	QVector3D m_translation;
+	QVector3D m_eulerRotationAngles;
+
+	mutable QMatrix4x4 m_matrix, m_matrixWT, m_matrixR, m_matrixS;
+	mutable bool m_matrixDirty;
+
+};
+
+
+inline QDataStream & operator <<(QDataStream & s, const Transform & v) {
+	//ChunkStream cs;
+	//cs.add(1, v.matrix());
+	//s << cs.data(); return s;
+	s << v.matrix(); return s;
+}
+inline QDataStream & operator >>(QDataStream & s, Transform & v) {
+	//ChunkStream cs(s);
+	//while (!cs.atEnd()) {
+	//	switch (cs.read()) {
+	//	case 1: v.setMatrix(cs.getData<QMatrix4x4>()); break;
+	//	}
+	//}
+	//return s;
+	QMatrix4x4 m;
+	s >> m;
+	v.setMatrix(m);
+	v.m_matrixDirty = true;
+	return s;
+}
+
+#endif // QT3DCORE_QTRANSFORM_H
--- a/core/gltypes.cpp
+++ b/core/gltypes.cpp
@@ -0,0 +1,373 @@
+/*
+	QGLView Types
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#include "glcamera.h"
+#include "qglview.h"
+#include "gltexture_manager.h"
+
+#include <QPainter>
+
+//__GLWidget__ * currentQGLView;
+//QMutex globMutex;
+
+
+QString readCharsUntilNull(QDataStream & s) {
+	QString str;
+	char ch;
+	s.readRawData(&ch, 1);
+	while (ch != '\0') {
+		str += ch;
+		s.readRawData(&ch, 1);
+	}
+	return str;
+}
+
+
+QString findFile(const QString & file, const QStringList & pathes) {
+	QFileInfo fi(QString(file).replace("\\", "/"));
+	//qDebug() << "search" << file << "in" << pathes;
+	if (fi.exists()) return fi.absoluteFilePath();
+	QString fn = fi.fileName();
+	if (fn.contains("/")) fn = fn.mid(fn.lastIndexOf("/"));
+	foreach (QString p, pathes) {
+		QFileInfoList fil = QDir(p).entryInfoList(QStringList(fn), QDir::Files | QDir::NoDotAndDotDot);
+		//qDebug() << "findFile" << fn << "in" << p << "->" << fil.size();
+		if (!fil.isEmpty())
+			return fil[0].absoluteFilePath();
+	}
+	return QString();
+}
+
+
+void glDrawQuad(QOpenGLShaderProgram * prog, QVector4D * corner_dirs, GLfloat x, GLfloat y, GLfloat w, GLfloat h) {
+	//glResetAllTransforms();
+	glSetPolygonMode(GL_FILL);
+	glDisable(GL_LIGHTING);
+	glEnable(GL_TEXTURE_2D);
+	int loc  = prog ? prog->attributeLocation("qgl_Color")   : -1,
+		locv = prog ? prog->attributeLocation("qgl_Vertex")  : -1,
+		loct = prog ? prog->attributeLocation("qgl_Texture") : -1,
+		locc = prog ? prog->attributeLocation("view_corner") : -1;
+	//if (prog) {qDebug() << locv << loct << locc;}
+	QOpenGLFunctions * glFuncs = QOpenGLContext::currentContext()->functions();
+	if (prog) {
+		static const GLfloat cols [] = {1.f, 1.f, 1.f,  1.f, 1.f, 1.f,  1.f, 1.f, 1.f,  1.f, 1.f, 1.f};
+		static const GLfloat verts[] = {x, y,           x+w, y,         x, y+h,         x+w, y+h};
+		static const GLfloat texs [] = {0.f, 0.f,       1.f, 0.f,       0.f, 1.f,       1.f, 1.f};
+		GLfloat vcs[] = {0.f, 0.f, 0.f,  0.f, 0.f, 0.f,  0.f, 0.f, 0.f,  0.f, 0.f, 0.f};
+		if (corner_dirs) {
+			vcs[0] = corner_dirs[0].x(); vcs[1]  = corner_dirs[0].y(); vcs[2]  = corner_dirs[0].z();
+			vcs[3] = corner_dirs[1].x(); vcs[4]  = corner_dirs[1].y(); vcs[5]  = corner_dirs[1].z();
+			vcs[6] = corner_dirs[2].x(); vcs[7]  = corner_dirs[2].y(); vcs[8]  = corner_dirs[2].z();
+			vcs[9] = corner_dirs[3].x(); vcs[10] = corner_dirs[3].y(); vcs[11] = corner_dirs[3].z();
+		}
+		glDisableClientState(GL_VERTEX_ARRAY);
+		glDisableClientState(GL_NORMAL_ARRAY);
+		glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+		glDisableClientState(GL_COLOR_ARRAY);
+		glFuncs->glBindBuffer(GL_ARRAY_BUFFER, 0);
+		glFuncs->glEnableVertexAttribArray(loc);
+		glFuncs->glVertexAttribPointer(loc, 3, GL_FLOAT, 0, 0, cols);
+		glFuncs->glEnableVertexAttribArray(locv);
+		glFuncs->glVertexAttribPointer(locv, 2, GL_FLOAT, 0, 0, verts);
+		glFuncs->glEnableVertexAttribArray(loct);
+		glFuncs->glVertexAttribPointer(loct, 2, GL_FLOAT, 0, 0, texs);
+		glFuncs->glEnableVertexAttribArray(locc);
+		glFuncs->glVertexAttribPointer(locc, 3, GL_FLOAT, 0, 0, vcs);
+		glFuncs->glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+		glFuncs->glDisableVertexAttribArray(loc);
+		glFuncs->glDisableVertexAttribArray(locv);
+		glFuncs->glDisableVertexAttribArray(loct);
+		glFuncs->glDisableVertexAttribArray(locc);
+	} else {
+		glBegin(GL_TRIANGLE_STRIP);
+		glColor4f(1.f, 1.f, 1.f, 1.f);
+		glTexCoord2f(0.f, 0.f); glVertex2f(x,   y);
+		glTexCoord2f(1.f, 0.f); glVertex2f(x+w, y);
+		glTexCoord2f(0.f, 1.f); glVertex2f(x,   y+h);
+		glTexCoord2f(1.f, 1.f); glVertex2f(x+w, y+h);
+		glEnd();
+	}
+}
+
+
+QMatrix4x4 getGLMatrix(GLenum matrix) {
+	GLfloat gm[16];
+	glGetFloatv(matrix, gm);
+	float qm[16];
+	for (int i = 0; i < 16; ++i)
+		qm[i] = gm[i];
+	return QMatrix4x4(qm).transposed();
+}
+
+
+void setGLMatrix(QMatrix4x4 matrix) {
+	GLfloat gm[16];
+	float qm[16];
+	matrix.transposed().copyDataTo(qm);
+	for (int i = 0; i < 16; ++i)
+		gm[i] = qm[i];
+	glLoadMatrixf(gm);
+}
+
+
+void qglMultMatrix(const QMatrix4x4 & m) {
+	GLfloat gm[16];
+	float qm[16];
+	m.transposed().copyDataTo(qm);
+	for (int i = 0; i < 16; ++i)
+		gm[i] = qm[i];
+	glMultMatrixf(gm);
+}
+
+
+void createGLTexture(QOpenGLExtraFunctions * f, GLuint & tex, int width, int height, const GLenum & format, const GLenum & target) {
+	//glClearError();
+	if (tex == 0) {
+		f->glGenTextures(1, &tex);
+		f->glBindTexture(target, tex);
+	}
+	//glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+	if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_COMPONENT16 || format == GL_DEPTH_COMPONENT24 || format == GL_DEPTH_COMPONENT32)
+		f->glTexImage2D(target, 0, format, width, height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE, nullptr);
+	else {
+		int type = GL_UNSIGNED_BYTE;
+		int fmt = GL_RGBA;
+		if (format == GL_RGB32F || format == GL_RGB16F || format == GL_RGBA32F || format == GL_RGBA16F)
+			type = GL_FLOAT;
+		if (format == GL_RGB32F || format == GL_RGB16F || format == GL_RGB8 || format == GL_RGB)
+			fmt = GL_RGB;
+		f->glTexImage2D(target, 0, format, width, height, 0, fmt, type, nullptr);
+		//glGenerateMipmap(target);
+		//qDebug() << "glTexImage2D" << width << height << QString::number(t, 16);
+	}
+	//qDebug() << QString::number(glGetError(), 16);
+}
+
+
+void createGLTexture(QOpenGLExtraFunctions * f, GLuint & tex, const QImage & image, const GLenum & format, const GLenum & target) {
+	if (tex == 0) {
+		f->glGenTextures(1, &tex);
+	}
+	f->glBindTexture(target, tex);
+	QImage im = image.mirrored(false, true).convertToFormat(QImage::Format_RGBA8888);
+	//const QImage & cim(im);
+	f->glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_REPEAT);
+	f->glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	f->glTexParameteri(target, GL_TEXTURE_WRAP_R, GL_REPEAT);
+	if (target == GL_TEXTURE_1D || target == GL_TEXTURE_2D || target == GL_TEXTURE_3D) {
+		f->glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+		f->glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+		f->glTexParameteri(target, GL_TEXTURE_MAX_ANISOTROPY_EXT, 8);
+	} else {
+		f->glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+		f->glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	}
+	glClearError();
+	f->glTexImage2D(target, 0, format, im.width(), im.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, im.constBits());
+	if (target == GL_TEXTURE_1D || target == GL_TEXTURE_2D || target == GL_TEXTURE_3D) {
+		f->glGenerateMipmap(target);
+	}
+	//qDebug() << target << format << tex << im.width() << im.height() << im.bits() << QString::number(glGetError(), 16);
+}
+
+
+QMatrix4x4 glMatrixPerspective(float angle, float aspect, float near_) {
+	QMatrix4x4 ret;
+	float t = 1.f / (tanf(angle * deg2rad / 2.f)), e = 2.4e-7f;
+	if (aspect >= 1.) {
+		ret(0, 0) = t / aspect;
+		ret(1, 1) = t;
+	} else {
+		ret(0, 0) = t;
+		ret(1, 1) = t * aspect;
+	}
+	ret(2, 2) = e - 1.f;//far_ / (far_ - near_) - 1.;
+	ret(2, 3) = (e - 2.f) * near_;//2. * far_ * near_ / (far_ - near_);
+	ret(3, 2) = -1.f;
+	ret(3, 3) = 0.f;
+	return ret;
+}
+
+
+QImage rotateQImageLeft(const QImage & im) {
+	QImage ri(im.height(), im.width(), im.format());
+	QPainter p(&ri);
+	p.rotate(90);
+	p.drawImage(0, -im.height(), im);
+	p.end();
+	return ri;
+}
+
+
+QImage rotateQImageRight(const QImage & im) {
+	QImage ri(im.height(), im.width(), im.format());
+	QPainter p(&ri);
+	p.rotate(-90);
+	p.drawImage(-im.width(), 0, im);
+	p.end();
+	return ri;
+}
+
+
+
+
+QColor colorFromString(const QString & str) {
+	QString s = str.trimmed();
+	int i = s.indexOf("\t");
+	float r, g, b;
+	r = s.left(i).toFloat(); s = s.right(s.length() - i - 1); i = s.indexOf("\t");
+	g = s.left(i).toFloat(); s = s.right(s.length() - i - 1);
+	b = s.toFloat();
+	return QColor(r * 255.f, g * 255.f, b * 255.f);
+}
+
+
+QVector3D orthToVector(const QVector3D & v, const float & scale) {
+	if (v.isNull()) return QVector3D();
+	QVector3D rv, fn, sn;
+	if (v.x() != 0.f) rv.setZ(1.);
+	else if (v.y() != 0.f) rv.setX(1.);
+	else rv.setY(1.);
+	fn = QVector3D::crossProduct(v, rv).normalized();
+	sn = QVector3D::crossProduct(v, fn).normalized();
+	return fn * urand(scale) + sn * urand(scale);
+}
+
+
+QVector3D rotateVector(const QVector3D & v, const QVector3D & a) {
+	QMatrix4x4 m;
+	m.rotate(a.z(), 0., 0., 1.);
+	m.rotate(a.y(), 0., 1., 0.);
+	m.rotate(a.x(), 1., 0., 0.);
+	return m * v;
+}
+
+
+void setVectorLength(QVector3D & v, const float & l) {
+	float vl = v.length();
+	if (vl == 0.f) return;
+	float c = l / vl;
+	v *= c;
+}
+
+
+void lengthenVector(QVector3D & v, const float & l) {
+	float vl = v.length();
+	if (l == 0.f || vl == 0.f) return;
+	float c = 1.f + l / vl;
+	v *= c;
+}
+
+
+Vector2i::Vector2i(const QString & str) {
+	QString s = str.trimmed();
+	int i = s.indexOf("\t");
+	p0 = s.left(i).toInt(); s = s.right(s.length() - i - 1);
+	p1 = s.toInt();
+}
+
+
+Vector3i::Vector3i(const QString & str) {
+	QString s = str.trimmed();
+	int i = s.indexOf("\t");
+	p0 = s.left(i).toInt(); s = s.right(s.length() - i - 1); i = s.indexOf("\t");
+	p1 = s.left(i).toInt(); s = s.right(s.length() - i - 1);
+	p2 = s.toInt();
+}
+
+
+void glEnableDepth() {
+	glEnable(GL_DEPTH_TEST);
+	//glDepthFunc(GL_GREATER);
+	glDepthFunc(GL_LESS);
+	glDepthMask(GL_TRUE);
+}
+
+
+void glDisableDepth() {
+	glDisable(GL_DEPTH_TEST);
+	glDepthMask(GL_FALSE);
+}
+
+
+void glClearFramebuffer(const QColor & color, bool depth) {
+	glClearColor(color.redF(), color.greenF(), color.blueF(), color.alphaF());
+	//glClearDepth(0.);
+	if (depth)
+		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+	else
+		glClear(GL_COLOR_BUFFER_BIT);
+}
+
+
+
+
+Box3D::Box3D(const QVector<QVector3D> & points) {
+	x = y = z = width = length = height = angle_z = angle_xy = angle_roll = 0.f;
+	if (points.isEmpty()) return;
+	float ix, iy, iz, ax, ay, az;
+	ix = ax = points[0].x();
+	iy = ay = points[0].y();
+	iz = az = points[0].z();
+	for (int i = 1; i < points.size(); ++i) {
+		ix = qMin<float>(ix, points[i].x()); ax = qMax<float>(ax, points[i].x());
+		iy = qMin<float>(iy, points[i].y()); ay = qMax<float>(ay, points[i].y());
+		iz = qMin<float>(iz, points[i].z()); az = qMax<float>(az, points[i].z());
+	}
+	x = ix;
+	y = iy;
+	z = iz;
+	length = ax - ix;
+	width  = ay - iy;
+	height = az - iz;
+}
+
+
+QVector<QVector3D> Box3D::corners() const {
+	QVector<QVector3D> ret;
+	ret << QVector3D(x, y, z) << QVector3D(x, y + width, z) << QVector3D(x, y, z + height) << QVector3D(x, y + width, z + height)
+		<< QVector3D(x + length, y, z) << QVector3D(x + length, y + width, z)
+		<< QVector3D(x + length, y, z + height) << QVector3D(x + length, y + width, z + height);
+	return ret;
+}
+
+
+Box3D & Box3D::operator |=(const Box3D & o) {
+	if (o.isEmpty()) return *this;
+	if (isEmpty()) *this = o;
+	else {
+		GLfloat mx = x + length, my = y + width, mz = z + height;
+		GLfloat omx = o.x + o.length, omy = o.y + o.width, omz = o.z + o.height;
+		x = qMin(x, o.x); y = qMin(y, o.y); z = qMin(z, o.z);
+		mx = qMax(mx, omx); my = qMax(my, omy); mz = qMax(mz, omz);
+		length = mx - x; width = my - y; height = mz - z;
+	}
+	return *this;
+}
+
+
+QVector3D vectorFromString(const QString & str) {
+	QTextStream s(const_cast<QString*>(&str), QIODevice::ReadOnly);
+	QVector3D ret;
+	float f(0.f);
+	s >> f; ret.setX(f);
+	s >> f; ret.setY(f);
+	s >> f; ret.setZ(f);
+	return ret;
+}
--- a/core/gltypes.h
+++ b/core/gltypes.h
@@ -0,0 +1,303 @@
+/*
+	QGLView Types
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLTYPES_H
+#define GLTYPES_H
+
+#if WIN32 || WIN64 || _WIN32 || _WIN64 || __WIN32__ || __WIN64__
+#  define WINDOWS
+#endif
+#if __QNX__ || __QNXNTO__
+#  define QNX
+#endif
+#ifdef __APPLE__
+#  define MAC
+#endif
+#ifndef WINDOWS
+#  ifndef QNX
+#    ifndef MAC
+#      define LINUX
+#    endif
+#  endif
+#endif
+#if __GNUC__
+#  define CC_GCC
+#elif _MSC_VER
+#  define CC_VC
+#endif
+
+
+#include <QObject>
+//#ifndef WINDOWS
+//#  ifdef MAC
+//#    include <OpenGL/gl.h>
+//#    include <OpenGL/glu.h>
+//#    include <GLUT/glut.h>
+//#  else
+//#    include <GL/gl.h>
+//#    include <GL/glext.h>
+//#    include <GL/glu.h>
+//#  endif
+//#endif
+#include <QOpenGLExtraFunctions>
+#include <QOpenGLShader>
+#include <QOpenGLShaderProgram>
+#include <qopenglext.h>
+#include <cmath>
+#include <float.h>
+#include <QMatrix4x4>
+#include <QDebug>
+#include <QDataStream>
+#include <QColor>
+#include <QVector2D>
+#include <QVector3D>
+#include <QImage>
+#include <QMutex>
+#include <QFile>
+#include <QDir>
+#ifndef QNX
+# include <cmath>
+# include <complex>
+#else
+# include <math.h>
+# include <complex.h>
+#endif
+#include <iostream>
+#include "qglengine_version.h"
+
+
+//#ifdef WINDOWS
+//#  define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
+//#  define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
+//#endif
+
+#ifndef M_PI
+#  define M_PI 3.14159265358979323846
+#endif
+#ifndef M_2PI
+#  define M_2PI 6.28318530717958647692
+#endif
+#ifndef M_PI_3
+#  define M_PI_3 1.04719755119659774615
+#endif
+
+#ifndef GL_RGBA16F
+#  define GL_RGBA16F GL_RGBA16F_ARB
+#endif
+
+using std::complex;
+
+#ifndef PIP_VERSION
+typedef long long llong;
+typedef unsigned char uchar;
+typedef unsigned short int ushort;
+typedef unsigned int uint;
+typedef unsigned long ulong;
+typedef unsigned long long ullong;
+typedef long double ldouble;
+
+const float deg2rad = atanf(1.f) / 45.f;
+const float rad2deg = 45.f / atanf(1.f);
+
+#  ifdef WINDOWS
+inline int random() {return rand();}
+#  endif
+#else
+#define random randomi
+#endif
+
+#ifdef CC_VC
+inline float round(const float & v) {return floor(v + 0.5);}
+#endif
+inline float randomu() {return float(random()) / RAND_MAX;}
+
+inline const QSizeF operator *(const QSizeF & f, const QSizeF & s) {return QSizeF(f.width() * s.width(), f.height() * s.height());}
+#ifndef PIP_VERSION
+template<typename T> inline void piSwap(T & f, T & s) {T t(f); f = s; s = t;}
+template<typename Type> inline Type piMin(const Type & f, const Type & s) {return (f > s) ? s : f;}
+template<typename Type> inline Type piMin(const Type & f, const Type & s, const Type & t) {return (f < s && f < t) ? f : ((s < t) ? s : t);}
+template<typename Type> inline Type piMax(const Type & f, const Type & s) {return (f < s) ? s : f;}
+template<typename Type> inline Type piMax(const Type & f, const Type & s, const Type & t) {return (f > s && f > t) ? f : ((s > t) ? s : t);}
+template<typename Type> inline Type piClamp(const Type & v, const Type & min, const Type & max) {return (v > max ? max : (v < min ? min : v));}
+inline ushort letobe_s(ushort v) {return (v << 8) | (v >> 8);}
+inline uint letobe_i(const uint & v) {return (v >> 24) | ((v >> 8) & 0xFF00) | ((v << 8) & 0xFF0000) | ((v << 24) & 0xFF000000);}
+#endif
+// return [-1, 1]
+inline float urand(const float & scale = 1.) {return ((float)rand() / RAND_MAX - .5f) * (scale + scale);}
+// return [0, 1]
+inline float uprand(const float & scale = 1.) {return ((float)rand() / RAND_MAX) * scale;}
+QString readCharsUntilNull(QDataStream & s);
+QString findFile(const QString & file, const QStringList & pathes);
+inline QColor operator *(const QColor & c, float v) {return QColor(piClamp<int>(c.red() * v, 0, 255), piClamp<int>(c.green() * v, 0, 255), piClamp<int>(c.blue() * v, 0, 255), piClamp<int>(c.alpha() * v, 0, 255));}
+inline QColor operator /(const QColor & c, float v) {return QColor(piClamp<int>(c.red() / v, 0, 255), piClamp<int>(c.green() / v, 0, 255), piClamp<int>(c.blue() / v, 0, 255), piClamp<int>(c.alpha() / v, 0, 255));}
+
+
+inline void qglColor(const QColor & c) {glColor4f(c.redF(), c.greenF(), c.blueF(), c.alphaF());}
+inline void glClearError() {int c = 100; while (glGetError() != GL_NO_ERROR && --c > 0) glGetError();}
+inline void glSetCapEnabled(GLenum cap, bool on = true) {if (on) glEnable(cap); else glDisable(cap);}
+inline void glSetPolygonMode(GLenum mode) {glPolygonMode(GL_FRONT_AND_BACK, mode);}
+inline void deleteGLTexture(QOpenGLExtraFunctions * f, GLuint & tex) {if (tex != 0) f->glDeleteTextures(1, &tex); tex = 0;}
+void glEnableDepth();
+void glDisableDepth();
+void glClearFramebuffer(const QColor & color = Qt::black, bool depth = true);
+void glDrawQuad(QOpenGLShaderProgram * prog = nullptr, QVector4D * corner_dirs = nullptr, GLfloat x = -1.f, GLfloat y = -1.f, GLfloat w = 2.f, GLfloat h = 2.f);
+void createGLTexture(QOpenGLExtraFunctions * f, GLuint & tex, int width, int height, const GLenum & format = GL_RGBA, const GLenum & target = GL_TEXTURE_2D);
+void createGLTexture(QOpenGLExtraFunctions * f, GLuint & tex, const QImage & image, const GLenum & format = GL_RGBA, const GLenum & target = GL_TEXTURE_2D);
+QMatrix4x4 glMatrixPerspective(float angle, float aspect, float near_);
+QImage rotateQImageLeft(const QImage & im);
+QImage rotateQImageRight(const QImage & im);
+inline QImage rotateQImage180(const QImage & im) {return im.mirrored(true, true);}
+
+class QGLView;
+class MouseController;
+class ObjectBase;
+class AimedObject;
+class Light;
+class Camera;
+class Texture;
+class CubeTexture;
+class Map;
+class Material;
+class TextureManager;
+class Texture2DArray;
+class Framebuffer;
+class FramebufferMipmap;
+class VertexObject;
+class Mesh;
+class Scene;
+class RendererBase;
+class Renderer;
+class RendererMaterial;
+class RendererService;
+class RendererSelection;
+
+enum RenderPass {
+	rpSolid,
+	rpTransparent,
+};
+
+typedef QList<ObjectBase*> ObjectBaseList;
+
+struct Box3D {
+	GLfloat x;
+	GLfloat y;
+	GLfloat z;
+	GLfloat width;
+	GLfloat length;
+	GLfloat height;
+	GLfloat angle_z;
+	GLfloat angle_xy;
+	GLfloat angle_roll;
+	Box3D() {x = y = z = width = length = height = angle_z = angle_xy = angle_roll = 0.f;}
+	Box3D(const QVector3D & center, GLfloat hwid, GLfloat hlen, GLfloat hhei) {x = center.x() - hwid; y = center.y() - hlen; z = center.z() - hhei; width = 2 * hwid; length = 2 * hlen; height = 2 * hhei; angle_z = angle_xy = angle_roll = 0.f;}
+	Box3D(const QVector<QVector3D> & points);
+	bool isEmpty() const {return (qAbs(width) < 1E-6f) && (qAbs(length) < 1E-6f) && (qAbs(height) < 1E-6f);}
+	QVector3D randomPoint() const {return QVector3D(uprand(length) + x, uprand(width) + y, uprand(height) + z);}
+	QVector3D pos() const {return QVector3D(x, y, z);}
+	QVector3D size() const {return QVector3D(length, width, height);}
+	QVector3D center() const {return QVector3D(length / 2.f + x, width / 2.f + y, height / 2.f + z);}
+	QVector3D angles() const {return QVector3D(angle_xy, angle_roll, angle_z);}
+	QVector<QVector3D> corners() const;
+	void setPos(const QVector3D & p) {x = p.x(); y = p.y(); z = p.z();}
+	void setAngles(const QVector3D & a) {angle_xy = a.x(); angle_roll = a.y(); angle_z = a.z();}
+	void setSize(const QVector3D & s) {length = s.x(); width = s.y(); height = s.z();}
+	Box3D & moveTo(const QVector3D & v) {x = v.x(); y = v.y(); z = v.z(); return *this;}
+	Box3D & move(const QVector3D & v) {x += v.x(); y += v.y(); z += v.z(); return *this;}
+	Box3D movedTo(const QVector3D & v) const {Box3D t(*this); t.x = v.x(); t.y = v.y(); t.z = v.z(); return t;}
+	Box3D moved(const QVector3D & v) const {Box3D t(*this); t.x += v.x(); t.y += v.y(); t.z += v.z(); return t;}
+	Box3D & operator |=(const Box3D & o);
+};
+
+inline QDebug operator <<(QDebug d, const Box3D & v) {d << "Box3D {start (" << v.x << "," << v.y << "," << v.z << "), size (" << v.length << "," << v.width << "," << v.height << ")}"; return d;}
+
+
+#pragma pack(push, 1)
+struct Vector2i {
+	Vector2i(int p0_ = 0, int p1_ = 0) {p0 = p0_; p1 = p1_;}
+	Vector2i(const QString & str);
+	Vector2i movedX(const int & o) {return Vector2i(p0 + o, p1);}
+	Vector2i movedY(const int & o) {return Vector2i(p0, p1 + o);}
+	Vector2i moved(const int & x, const int & y) {return Vector2i(p0 + x, p1 + y);}
+	GLint p0;
+	GLint p1;
+	bool operator ==(const Vector2i & o) const {return p0 == o.p0 && p1 == o.p1;}
+	bool operator !=(const Vector2i & o) const {return p0 != o.p0 || p1 != o.p1;}
+	void operator +=(int v) {p0 += v; p1 += v;}
+	QVector2D toQVector2D() const {return QVector2D(p0, p1);}
+};
+#pragma pack(pop)
+
+inline Vector2i operator +(const Vector2i & f, const Vector2i & s) {return Vector2i(f.p0 + s.p0, f.p1 + s.p1);}
+inline Vector2i operator -(const Vector2i & f, const Vector2i & s) {return Vector2i(f.p0 - s.p0, f.p1 - s.p1);}
+inline Vector2i operator /(const Vector2i & f, const int & s) {return Vector2i(f.p0 / s, f.p1 / s);}
+inline uint qHash(const Vector2i & v) {return v.p0 ^ ((v.p1 << 8) | (v.p1 >> 24));}
+inline QDebug operator <<(QDebug d, const Vector2i & v) {d.nospace() << "{" << v.p0 << ", " << v.p1 << "}"; return d.space();}
+
+inline QDataStream & operator <<(QDataStream & s, const Vector2i & v) {s << v.p0 << v.p1; return s;}
+inline QDataStream & operator >>(QDataStream & s, Vector2i & v)       {s >> v.p0 >> v.p1; return s;}
+
+
+#pragma pack(push, 1)
+struct Vector3i {
+	Vector3i(int p0_ = 0, int p1_ = 0, int p2_ = 0) {p0 = p0_; p1 = p1_; p2 = p2_;}
+	Vector3i(const QString & str);
+	Vector3i movedX(const int & o) {return Vector3i(p0 + o, p1, p2);}
+	Vector3i movedY(const int & o) {return Vector3i(p0, p1 + o, p2);}
+	Vector3i movedZ(const int & o) {return Vector3i(p0, p1, p2 + o);}
+	Vector3i moved(const int & x, const int & y, const int & z) {return Vector3i(p0 + x, p1 + y, p2 + z);}
+	GLint p0;
+	GLint p1;
+	GLint p2;
+	bool operator ==(const Vector3i & o) const {return p0 == o.p0 && p1 == o.p1 && p2 == o.p2;}
+	bool operator !=(const Vector3i & o) const {return p0 != o.p0 || p1 != o.p1 || p2 != o.p2;}
+	void operator +=(int v) {p0 += v; p1 += v; p2 += v;}
+	QVector3D toQVector3D() const {return QVector3D(p0, p1, p2);}
+};
+#pragma pack(pop)
+
+inline Vector3i operator +(const Vector3i & f, const Vector3i & s) {return Vector3i(f.p0 + s.p0, f.p1 + s.p1, f.p2 + s.p2);}
+inline Vector3i operator -(const Vector3i & f, const Vector3i & s) {return Vector3i(f.p0 - s.p0, f.p1 - s.p1, f.p2 - s.p2);}
+inline Vector3i operator /(const Vector3i & f, const int & s) {return Vector3i(f.p0 / s, f.p1 / s, f.p2 / s);}
+inline uint qHash(const Vector3i & v) {return v.p0 ^ ((v.p1 << 8) | (v.p1 >> 24)) ^ ((v.p2 << 16) | (v.p2 >> 16));}
+inline QDebug operator <<(QDebug d, const Vector3i & v) {d.nospace() << "{" << v.p0 << ", " << v.p1 << ", " << v.p2 << "}"; return d.space();}
+
+inline QDataStream & operator <<(QDataStream & s, const Vector3i & v) {s << v.p0 << v.p1 << v.p2; return s;}
+inline QDataStream & operator >>(QDataStream & s, Vector3i & v)       {s >> v.p0 >> v.p1 >> v.p2; return s;}
+
+
+QVector3D vectorFromString(const QString & str);
+QColor colorFromString(const QString & str);
+inline QVector4D QColor2QVector(const QColor & c) {return QVector4D(c.redF(), c.greenF(), c.blueF(), c.alphaF());}
+inline float cosABV(const QVector3D & v0, const QVector3D & v1) {
+	float l = v0.length() * v1.length();
+	if (l == 0.f) return 0.;
+	return (QVector3D::dotProduct(v0, v1)) / l;
+}
+inline void normalizeAngleRad(float & a) {while (a < 0.) a += M_2PI; while (a >= M_2PI) a -= M_2PI;}
+inline void normalizeAngleDeg(float & a) {while (a < 0.) a += 360. ; while (a >= 360. ) a -= 360. ;}
+inline QVector3D projection(const QVector3D & v, const QVector3D & to) {return to.normalized() * v.length() * cosABV(v, to);}
+QVector3D orthToVector(const QVector3D & v, const float & scale = 1.);
+QVector3D rotateVector(const QVector3D & v, const QVector3D & a);
+void setVectorLength(QVector3D & v, const float & l);
+void lengthenVector(QVector3D & v, const float & l);
+inline float squareLength(const QVector3D & from, const QVector3D & to) {return (to.x() - from.x())*(to.x() - from.x()) + (to.y() - from.y())*(to.y() - from.y()) + (to.z() - from.z())*(to.z() - from.z());}
+inline QVector3D directionFromAngles(const QVector3D & a) {return rotateVector(QVector3D(1., 0., 0.), a);}
+inline float frac(const float & x, const float & b) {return x - int(x / b) * b;}
+
+
+#endif // GLTYPES_H
--- a/core/glvertexobject.cpp
+++ b/core/glvertexobject.cpp
@@ -0,0 +1,119 @@
+/*
+	QGL VertexObject
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#define GL_GLEXT_PROTOTYPES
+#include <QOpenGLExtraFunctions>
+#include "glvertexobject.h"
+
+using namespace QGLEngineShaders;
+
+
+VertexObject::VertexObject():
+		buffer_obj (GL_ARRAY_BUFFER, GL_STREAM_DRAW),
+		buffer_sel (GL_ARRAY_BUFFER, GL_STREAM_DRAW) {
+	vao_ = 0;
+	buffers_binded = false;
+	objects_changed = selected_changed = true;
+}
+
+
+VertexObject::~VertexObject() {
+}
+
+
+void VertexObject::init(QOpenGLExtraFunctions * f) {
+	if (!isInit()) {
+		buffer_obj.init(f);
+		buffer_sel.init(f);
+		f->glGenVertexArrays(1, &vao_);
+	}
+}
+
+
+void VertexObject::destroy(QOpenGLExtraFunctions * f) {
+	if (vao_ != 0) {
+		buffer_obj.destroy(f);
+		buffer_sel.destroy(f);
+		f->glDeleteVertexArrays(1, &vao_);
+	}
+	vao_ = 0;
+}
+
+
+void VertexObject::bind(QOpenGLExtraFunctions * f) {
+	//qDebug() << "bind" << target_ << buffer_;
+	f->glBindVertexArray(vao_);
+}
+
+
+void VertexObject::release(QOpenGLExtraFunctions * f) {
+	f->glBindVertexArray(0);
+}
+
+
+void VertexObject::bindBuffers(QOpenGLExtraFunctions * f, Buffer & geom, Buffer & elem, bool force) {
+	if (!force && buffers_binded) return;
+	buffers_binded = true;
+
+	init(f);
+	bind(f);
+
+	geom.bind(f);
+	prepareDrawGeom(f);
+
+	elem.bind(f);
+
+	buffer_obj.bind(f);
+	prepareDrawObj(f);
+
+	buffer_sel.bind(f);
+	prepareDrawSel(f);
+
+	release(f);
+}
+
+
+void VertexObject::loadObject(QOpenGLExtraFunctions * f, const Object & object) {
+	loadBuffer(f, buffer_obj, &object, sizeof(Object));
+}
+
+
+void VertexObject::loadObjects(QOpenGLExtraFunctions * f, const QVector<Object> & objects) {
+	loadBuffer(f, buffer_obj, objects.constData(), objects.size() * sizeof(Object));
+}
+
+
+void VertexObject::loadSelections(QOpenGLExtraFunctions * f, const QVector<uchar> & sels) {
+	loadBuffer(f, buffer_sel, sels.constData(), sels.size());
+}
+
+
+void VertexObject::draw(QOpenGLExtraFunctions * f, GLenum geom_type, int vert_cout, int obj_count) {
+	bind(f);
+	f->glDrawElementsInstanced(geom_type, vert_cout, GL_UNSIGNED_INT, 0, obj_count);
+	release(f);
+}
+
+
+void VertexObject::loadBuffer(QOpenGLExtraFunctions * f, Buffer & buf, const void * data, int size) {
+	buf.init(f);
+	if (!data) return;
+	buf.bind(f);
+	buf.resize(f, size);
+	buf.load(f, data, size);
+}
--- a/core/glvertexobject.h
+++ b/core/glvertexobject.h
@@ -0,0 +1,64 @@
+/*
+	QGL VertexObject
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef GLVERTEXOBJECT_H
+#define GLVERTEXOBJECT_H
+
+#include "glbuffer.h"
+#include "glshaders_types.h"
+
+
+class VertexObject
+{
+	friend class Mesh;
+public:
+	VertexObject();
+	~VertexObject();
+
+	void init    (QOpenGLExtraFunctions * f);
+	void destroy (QOpenGLExtraFunctions * f);
+
+	void bind    (QOpenGLExtraFunctions * f);
+	void release (QOpenGLExtraFunctions * f);
+
+	void bindBuffers   (QOpenGLExtraFunctions * f, Buffer & geom, Buffer & elem, bool force = false);
+	void loadObject    (QOpenGLExtraFunctions * f, const QGLEngineShaders::Object & object);
+	void loadObjects   (QOpenGLExtraFunctions * f, const QVector<QGLEngineShaders::Object> & objects);
+	void loadSelections(QOpenGLExtraFunctions * f, const QVector<uchar> & sels);
+
+	void draw(QOpenGLExtraFunctions * f, GLenum geom_type, int vert_cout, int obj_count);
+
+	GLuint ID() const {return vao_;}
+	bool isInit() const {return vao_ != 0;}
+
+	bool isObjectsChanged() const {return objects_changed;}
+	bool isSelectionChanged() const {return selected_changed;}
+	void setObjectsChanged(bool yes = true) {objects_changed = yes;}
+	void setSelectionChanged(bool yes = true) {selected_changed = yes;}
+
+private:
+	void loadBuffer(QOpenGLExtraFunctions * f, Buffer & buf, const void * data, int size);
+
+	GLuint vao_;
+	Buffer buffer_obj, buffer_sel;
+	bool buffers_binded, objects_changed, selected_changed;
+
+};
+
+
+#endif // GLVERTEXOBJECT_H
--- a/core/hdr.cpp
+++ b/core/hdr.cpp
@@ -0,0 +1,125 @@
+/*
+	QGL HDR
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#include "hdr_p.h"
+#include "qmath.h"
+
+#define RGBE_DATA_RED    2
+#define RGBE_DATA_GREEN  1
+#define RGBE_DATA_BLUE   0
+/* number of floats per pixel */
+#define RGBE_DATA_SIZE   3
+
+
+void rgbe2float(float *red, float *green, float *blue, uchar rgbe[4]) {
+	float f;
+	if (rgbe[3]) {
+		f = static_cast<float>(ldexp(1.0,rgbe[3]-(int)(128+8)));
+		*red = rgbe[0] * f;
+		*green = rgbe[1] * f;
+		*blue = rgbe[2] * f;
+	}
+	else
+		*red = *green = *blue = 0.0;
+}
+
+
+/* simple read routine.	will not correctly handle run length encoding */
+bool RGBE_ReadPixels(QDataStream * fp, float * data, int numpixels) {
+	uchar rgbe[4];
+	while(numpixels-- > 0) {
+		if (fp->readRawData((char*)rgbe, sizeof(rgbe)) < 1)
+			return false;
+		rgbe2float(&data[RGBE_DATA_RED], &data[RGBE_DATA_GREEN], &data[RGBE_DATA_BLUE],rgbe);
+		data += RGBE_DATA_SIZE;
+	}
+	return true;
+}
+
+
+bool RGBE_ReadPixels_RLE(QDataStream * fp, float * data, int scanline_width, int num_scanlines) {
+	uchar rgbe[4], *ptr, *ptr_end;
+	int i, count;
+	uchar buf[2];
+	QByteArray scanline_buffer;
+
+	if ((scanline_width < 8)||(scanline_width > 0x7fff))
+	/* run length encoding is not allowed so read flat*/
+	return RGBE_ReadPixels(fp,data,scanline_width*num_scanlines);
+	scanline_buffer.resize(4*scanline_width);
+	/* read in each successive scanline */
+	while(num_scanlines > 0) {
+		if (fp->readRawData((char*)rgbe,sizeof(rgbe)) < 1) {
+			return false;
+		}
+		if ((rgbe[0] != 2)||(rgbe[1] != 2)||(rgbe[2] & 0x80)) {
+			/* this file is not run length encoded */
+			rgbe2float(&data[RGBE_DATA_RED],&data[RGBE_DATA_GREEN],&data[RGBE_DATA_BLUE],rgbe);
+			data += RGBE_DATA_SIZE;
+			return RGBE_ReadPixels(fp,data,scanline_width*num_scanlines-1);
+		}
+		if ((((int)rgbe[2])<<8 | rgbe[3]) != scanline_width) {
+			return false;
+		}
+		ptr = (uchar*)scanline_buffer.data();
+		/* read each of the four channels for the scanline into the buffer */
+		for(i=0;i<4;i++) {
+			ptr_end = (uchar*)scanline_buffer.data() + ((i+1)*scanline_width);
+			while(ptr < ptr_end) {
+				if (fp->readRawData((char*)buf,sizeof(buf[0])*2) < 1) {
+					return false;
+				}
+				if (buf[0] > 128) {
+				/* a run of the same value */
+				count = buf[0]-128;
+				if ((count == 0)||(count > ptr_end - ptr)) {
+					return false;
+				}
+				while(count-- > 0)
+					*ptr++ = buf[1];
+				}
+				else {
+					/* a non-run */
+					count = buf[0];
+					if ((count == 0)||(count > ptr_end - ptr)) {
+						return false;
+					}
+					*ptr++ = buf[1];
+					if (--count > 0) {
+						if (fp->readRawData((char*)ptr,sizeof(*ptr)*count) < 1) {
+							return false;
+						}
+						ptr += count;
+					}
+				}
+			}
+		}
+		/* now convert data from buffer into floats */
+		for(i=0;i<scanline_width;i++) {
+			rgbe[0] = scanline_buffer[i];
+			rgbe[1] = scanline_buffer[i+scanline_width];
+			rgbe[2] = scanline_buffer[i+2*scanline_width];
+			rgbe[3] = scanline_buffer[i+3*scanline_width];
+			rgbe2float(&data[RGBE_DATA_RED],&data[RGBE_DATA_GREEN],
+			&data[RGBE_DATA_BLUE],rgbe);
+			data += RGBE_DATA_SIZE;
+		}
+		num_scanlines--;
+	}
+	return true;
+}
--- a/core/hdr_p.h
+++ b/core/hdr_p.h
@@ -0,0 +1,26 @@
+/*
+	QGL HDR
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	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/>.
+*/
+
+#ifndef HDR_P_H
+#define HDR_P_H
+
+#include <QDataStream>
+
+bool RGBE_ReadPixels_RLE(QDataStream * fp, float * data, int scanline_width, int num_scanlines);
+
+#endif // HDR_P_H
--- a/core/qglengine_version.h
+++ b/core/qglengine_version.h
@@ -0,0 +1,27 @@
+// This file generated by CMake set_version() version 2
+
+#ifndef QGLENGINE_QGLENGINE_VERSION_H
+#define QGLENGINE_QGLENGINE_VERSION_H
+
+
+// Project
+
+#define QGLENGINE_VERSION_MAJOR    1
+#define QGLENGINE_VERSION_MINOR    0
+#define QGLENGINE_VERSION_REVISION 0
+#define QGLENGINE_VERSION_BUILD    9999
+#define QGLENGINE_VERSION_SUFFIX   "rc"
+#define QGLENGINE_VERSION_NAME     "1.0.0_rc"
+#define QGLENGINE_MAKE_VERSION(major, minor, revision)  ((major << 16) | (minor << 8) | revision)
+#define QGLENGINE_VERSION  QGLENGINE_MAKE_VERSION(QGLENGINE_VERSION_MAJOR, QGLENGINE_VERSION_MINOR, QGLENGINE_VERSION_REVISION)
+
+
+// Tools
+
+#define QGLENGINE_CMAKE_VERSION    "3.17.1"
+#define QGLENGINE_CXX_COMPILER     "GNU 8.1.0"
+#define QGLENGINE_BUILD_DATE       "22.08.2020 00:51"
+#define QGLENGINE_ARCH             "i386"
+
+
+#endif // QGLENGINE_QGLENGINE_VERSION_H