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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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/>.
*
*/
/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of HPL1 Engine.
*/
#ifndef HPL_VERTEXBUFFER_VBO_H
#define HPL_VERTEXBUFFER_VBO_H
#include "common/scummsys.h"
#include "hpl1/engine/graphics/VertexBuffer.h"
#ifdef USE_OPENGL
namespace hpl {
class cVertexBufferVBO : public iVertexBuffer {
public:
cVertexBufferVBO(iLowLevelGraphics *apLowLevelGraphics, tVertexFlag aFlags,
eVertexBufferDrawType aDrawType, eVertexBufferUsageType aUsageType,
int alReserveVtxSize, int alReserveIdxSize);
~cVertexBufferVBO();
void AddVertex(tVertexFlag aType, const cVector3f &avVtx);
void AddColor(tVertexFlag aType, const cColor &aColor);
void AddIndex(unsigned int alIndex);
bool Compile(tVertexCompileFlag aFlags);
void UpdateData(tVertexFlag aTypes, bool abIndices);
void CreateShadowDouble(bool abUpdateData);
void Transform(const cMatrixf &mtxTransform);
void Draw(eVertexBufferDrawType aDrawType = eVertexBufferDrawType_LastEnum);
void DrawIndices(unsigned int *apIndices, int alCount,
eVertexBufferDrawType aDrawType = eVertexBufferDrawType_LastEnum);
void Bind();
void UnBind();
iVertexBuffer *CreateCopy(eVertexBufferUsageType aUsageType);
cBoundingVolume CreateBoundingVolume();
int GetVertexNum();
int GetIndexNum();
float *GetArray(tVertexFlag aType);
unsigned int *GetIndices();
void ResizeArray(tVertexFlag aType, int alSize);
void ResizeIndices(int alSize);
// For debugging purposes
cVector3f GetVector3(tVertexFlag aType, unsigned alIdx);
cVector3f GetVector4(tVertexFlag aType, unsigned alIdx);
cColor GetColor(tVertexFlag aType, unsigned alIdx);
unsigned int GetIndex(tVertexFlag aType, unsigned alIdx);
private:
int GetElementNum(tVertexFlag aFlag);
void SetVertexStates(tVertexFlag aFlags);
unsigned int mlElementHandle;
tFloatVec mvVertexArray[klNumOfVertexFlags];
unsigned int mvArrayHandle[klNumOfVertexFlags];
tUIntVec mvIndexArray;
bool mbHasShadowDouble;
bool mbCompiled;
};
} // namespace hpl
#endif // USE_OPENGL
#endif // HPL_RENDERER3D_VBO_H
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