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55 lines
1021 B
C++
55 lines
1021 B
C++
//
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// TextureTarget.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 07/02/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#ifndef TextureTarget_hpp
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#define TextureTarget_hpp
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#include "OpenGL.hpp"
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namespace OpenGL {
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/*!
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A @c TextureTarget is a framebuffer that can be bound as a texture. So this class
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handles render-to-texture framebuffer objects.
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*/
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class TextureTarget {
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public:
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/*!
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Creates a new texture target.
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Throws ErrorFramebufferIncomplete if creation fails.
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@param width The width of target to create.
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@param height The height of target to create.
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*/
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TextureTarget(GLsizei width, GLsizei height);
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~TextureTarget();
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/*!
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Binds this target as a framebuffer and sets the @c glViewport accordingly.
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*/
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void bind_framebuffer();
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/*!
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Binds this target as a texture.
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*/
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void bind_texture();
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enum {
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ErrorFramebufferIncomplete
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};
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private:
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GLuint _framebuffer, _texture;
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GLsizei _width, _height;
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};
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}
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#endif /* TextureTarget_hpp */
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