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93 lines
3.6 KiB
C++
93 lines
3.6 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2013 Ceetron AS
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//
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// This library may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#pragma once
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#include "cvfObject.h"
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namespace cvf {
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//==================================================================================================
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//
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//
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//
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//==================================================================================================
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class OpenGLCapabilities : public Object
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{
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public:
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enum Capability
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{
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FRAMEBUFFER_OBJECT = 0x00000001, // Supports framebuffer objects
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GENERATE_MIPMAP_FUNC = 0x00000002, // Is the glGenerateMipmap() function supported. (req OGL 3.0 or ARB_framebuffer_object)
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TEXTURE_FLOAT = 0x00000004, // Floating-point internal texture formats. (req OGL 3.0 or ARB_texture_float)
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TEXTURE_RG = 0x00000008, // One- and two- component internal texture formats. (req. OGL 3.0 or ARB_texture_rg)
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TEXTURE_RECTANGLE = 0x00000010 // Rectangular textures (req. OGL 3.1 or GL_ARB_texture_rectangle
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};
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public:
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OpenGLCapabilities();
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OpenGLCapabilities(const OpenGLCapabilities& other);
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~OpenGLCapabilities();
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OpenGLCapabilities& operator=(const OpenGLCapabilities& rhs);
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bool operator==(const OpenGLCapabilities& rhs) const;
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bool operator!=(const OpenGLCapabilities& rhs) const;
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bool hasCapability(Capability capability) const;
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void addCapablity(Capability capability);
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void removeCapablity(Capability capability);
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bool supportsOpenGL2() const;
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bool supportsOpenGLVer(uint majorVer) const;
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bool supportsFixedFunction() const;
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void configureOpenGLSupport(uint openGLMajorVer);
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void setSupportsFixedFunction(bool fixedFunction);
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private:
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uint m_capabilityFlags; // Bitwise or combination of the capabilities
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uint m_openGLMajorVersion; // The supported OpenGL version, default to 1.1. (Currently our baseline support requires OpenGL 2.0)
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bool m_supportsFixedFunction; // Is fixed function supported?
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};
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}
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