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+//
+// libavg - Media Playback Engine.
+// Copyright (C) 2003-2014 Ulrich von Zadow
+//
+// This library 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 2 of the License, or (at your option) any later version.
+//
+// This library 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 library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// Current versions can be found at www.libavg.de
+//
+
+#ifndef _VertexData_H_
+#define _VertexData_H_
+
+#include "../api.h"
+
+#include "Pixel32.h"
+#include "OGLHelper.h"
+
+#include "../base/GLMHelper.h"
+
+#include <boost/shared_ptr.hpp>
+
+namespace avg {
+
+struct Vertex {
+ GLshort m_Tex[2]; // 4.12 fixed point.
+ GLfloat m_Pos[2];
+ Pixel32 m_Color;
+};
+
+class VertexData;
+typedef boost::shared_ptr<VertexData> VertexDataPtr;
+
+#ifdef AVG_ENABLE_EGL
+#define GL_INDEX_TYPE unsigned short
+#else
+#define GL_INDEX_TYPE unsigned int
+#endif
+
+class AVG_API VertexData {
+public:
+ VertexData(int reserveVerts = 0, int reserveIndexes = 0);
+ virtual ~VertexData();
+
+ void appendPos(const glm::vec2& pos,
+ const glm::vec2& texPos, const Pixel32& color = Pixel32(0,0,0,0));
+ void appendTriIndexes(int v0, int v1, int v2);
+ void appendQuadIndexes(int v0, int v1, int v2, int v3);
+ void addLineData(Pixel32 color, const glm::vec2& p1, const glm::vec2& p2,
+ float width, float tc1=0, float tc2=1);
+ void appendVertexData(const VertexDataPtr& pVertexes);
+ bool hasDataChanged() const;
+ void resetDataChanged();
+ void reset();
+
+ int getNumVerts() const;
+ int getNumIndexes() const;
+ void dump() const;
+ void dump(unsigned startVertex, int numVerts, unsigned startIndex, int numIndexes)
+ const;
+
+protected:
+ int getReserveVerts() const;
+ int getReserveIndexes() const;
+
+ const Vertex * getVertexPointer() const;
+ const GL_INDEX_TYPE * getIndexPointer() const;
+
+ static const int MIN_VERTEXES;
+ static const int MIN_INDEXES;
+
+private:
+ void grow();
+
+ int m_NumVerts;
+ int m_NumIndexes;
+ int m_ReserveVerts;
+ int m_ReserveIndexes;
+ Vertex * m_pVertexData;
+ GL_INDEX_TYPE * m_pIndexData;
+
+ bool m_bDataChanged;
+};
+
+std::ostream& operator<<(std::ostream& os, const Vertex& v);
+
+}
+
+#endif