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opengltexture.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the AUTHORS
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef STARK_GFX_OPENGL_TEXTURE_H
00024 #define STARK_GFX_OPENGL_TEXTURE_H
00025 
00026 #include "engines/stark/gfx/texture.h"
00027 
00028 #include "graphics/opengl/system_headers.h"
00029 
00030 namespace Stark {
00031 namespace Gfx {
00032 
00036 class OpenGlTexture : public Texture {
00037 public:
00038     OpenGlTexture();
00039     virtual ~OpenGlTexture();
00040 
00041     // Texture API
00042     void bind() const override;
00043     void update(const Graphics::Surface *surface, const byte *palette = nullptr) override;
00044     void setSamplingFilter(SamplingFilter filter) override;
00045     void setLevelCount(uint32 count) override;
00046     void addLevel(uint32 level, const Graphics::Surface *surface, const byte *palette = nullptr) override;
00047 
00048 protected:
00049     void updateLevel(uint32 level, const Graphics::Surface *surface, const byte *palette = nullptr);
00050 
00051     GLuint _id;
00052     uint32 _levelCount;
00053 };
00054 
00055 } // End of namespace Gfx
00056 } // End of namespace Stark
00057 
00058 #endif // STARK_GFX_OPENGL_TEXTURE_H


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