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gfx_opengl.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 GFX_OPENGL_H_
00024 #define GFX_OPENGL_H_
00025 
00026 #include "common/rect.h"
00027 #include "common/system.h"
00028 #include "math/vector3d.h"
00029 
00030 #include "engines/myst3/gfx.h"
00031 
00032 namespace Myst3 {
00033 
00034 class OpenGLRenderer : public Renderer {
00035 public:
00036     OpenGLRenderer(OSystem *_system);
00037     virtual ~OpenGLRenderer();
00038 
00039     virtual void init() override;
00040 
00041     virtual void clear() override;
00042     virtual void selectTargetWindow(Window *window, bool is3D, bool scaled) override;
00043 
00044     Texture *createTexture(const Graphics::Surface *surface) override;
00045     void freeTexture(Texture *texture) override;
00046 
00047     virtual void drawRect2D(const Common::Rect &rect, uint32 color) override;
00048     virtual void drawTexturedRect2D(const Common::Rect &screenRect, const Common::Rect &textureRect, Texture *texture,
00049                                     float transparency = -1.0, bool additiveBlending = false) override;
00050     virtual void drawTexturedRect3D(const Math::Vector3d &topLeft, const Math::Vector3d &bottomLeft,
00051                                     const Math::Vector3d &topRight, const Math::Vector3d &bottomRight,
00052                                     Texture *texture) override;
00053 
00054     virtual void drawCube(Texture **textures) override;
00055     virtual void draw2DText(const Common::String &text, const Common::Point &position) override;
00056 
00057     virtual Graphics::Surface *getScreenshot() override;
00058 private:
00059     void drawFace(uint face, Texture *texture);
00060 };
00061 
00062 } // End of namespace Myst3
00063 
00064 #endif // GFX_H_


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