git-svn-id: svn://db.shs.com.ru/libs@661 a8b55f48-bf90-11e4-a774-851b48703e85

qglengine/tonemapping_proc.h

@@ -0,0 +1,65 @@
+/*
+    QGLView
+    Copyright (C) 2019  Ivan Pelipenko peri4ko@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef TONEMAPPING_PROC_H
+#define TONEMAPPING_PROC_H
+
+#include "glframebuffer_mipmap.h"
+#include <QThread>
+
+
+class TonemappingProc: public QThread
+{
+	friend class Renderer;
+public:
+	TonemappingProc(Renderer * rend);
+	virtual ~TonemappingProc();
+
+	void init();
+	void resize();
+	void prepareSum();
+	void renderSum(Framebuffer & fbo_src, int index);
+
+	bool process();
+	float frameMax();
+
+protected:
+	void timerEvent(QTimerEvent * e);
+	void run() override;
+	float calcHistogram(const QVector<QVector4D> & data);
+
+private:
+	Renderer * r;
+	QMutex mutex;
+	QVector<QVector4D> last_data;
+	QVector<float> last_max;
+
+	float frame_max, cur_max;
+	bool need_render_sum;
+	volatile bool exit_;
+	int timer_tone, timer_delim;
+	Framebuffer fbo_1x1;
+	FramebufferMipmap fbomm;
+
+	QOpenGLShaderProgram * shader_sum;
+	Buffer buffer_vbo;
+	GLenum vbo_vao;
+
+};
+
+#endif // RENDERER_H