diff options
Diffstat (limited to 'src/graphics/VertexData.h')
-rw-r--r-- | src/graphics/VertexData.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/graphics/VertexData.h b/src/graphics/VertexData.h new file mode 100644 index 0000000..79316b8 --- /dev/null +++ b/src/graphics/VertexData.h @@ -0,0 +1,100 @@ +// +// 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 |