Files
libreoffice/vcl/inc/opengl/texture.hxx
Louis-Francis Ratté-Boulianne 99ade27b04 vcl: Only load OpenGL shaders once for each context
Change-Id: Idbf9026c5e64ef41d4c913153dfddf36923ff7de
2014-12-02 11:58:45 +01:00

87 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_INC_OPENGL_TEXTURE_H
#define INCLUDED_VCL_INC_OPENGL_TEXTURE_H
#include <GL/glew.h>
#include <vcl/dllapi.h>
#include <vcl/salgtype.hxx>
#include <tools/gen.hxx>
class ImplOpenGLTexture
{
public:
int mnRefCount;
GLuint mnTexture;
int mnWidth;
int mnHeight;
GLenum mnFilter;
ImplOpenGLTexture( int nWidth, int nHeight, bool bAllocate );
ImplOpenGLTexture( int nWidth, int nHeight, int nFormat, int nType, sal_uInt8* pData );
ImplOpenGLTexture( int nX, int nY, int nWidth, int nHeight );
~ImplOpenGLTexture();
};
class VCL_PLUGIN_PUBLIC OpenGLTexture
{
private:
// if the rect size doesn't match the mpImpl one, this instance
// is a sub-area from the real OpenGL texture
Rectangle maRect;
ImplOpenGLTexture* mpImpl;
public:
OpenGLTexture();
OpenGLTexture( int nWidth, int nHeight, bool bAllocate = true );
OpenGLTexture( int nWidth, int nHeight, int nFormat, int nType, sal_uInt8* pData );
OpenGLTexture( int nX, int nY, int nWidth, int nHeight );
OpenGLTexture( const OpenGLTexture& rTexture );
OpenGLTexture( const OpenGLTexture& rTexture, int nX, int nY, int nWidth, int nHeight );
virtual ~OpenGLTexture();
bool IsUnique() const;
GLuint Id() const;
int GetWidth() const;
int GetHeight() const;
void GetCoord( GLfloat* pCoord, const SalTwoRect& rPosAry, bool bInverted=false ) const;
void GetWholeCoord( GLfloat* pCoord ) const;
void Bind();
void Unbind();
bool Draw();
void Read( GLenum nFormat, GLenum nType, sal_uInt8* pData );
GLenum GetFilter() const;
void SetFilter( GLenum nFilter );
operator bool() const;
OpenGLTexture& operator=( const OpenGLTexture& rTexture );
bool operator==( const OpenGLTexture& rTexture ) const;
bool operator!=( const OpenGLTexture& rTexture ) const;
};
#endif // INCLUDED_VCL_INC_OPENGL_TEXTURE_H
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */