Bert Peters
265bc61b98
In this new implementation, everything is loaded on a separate thread, but the textures are initialized on the main OpenGL thread. This is all to work around the fact that you cannot create a separate GL context in GLUT.
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
#pragma once
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#include <memory>
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#include <GL/gl.h>
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namespace fmri
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{
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/**
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* Simple owning Texture class.
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*
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* Encapsulates an OpenGL texture, and enables RAII for it. Copying
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* is disallowed for this reason.
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*/
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class Texture
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{
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public:
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Texture() noexcept;
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Texture(const float* data, int width, int height, GLuint format, int subImages = 1);
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Texture(std::unique_ptr<float[]> &&data, int width, int height, GLuint format, int subImages = 1);
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Texture(Texture &&) noexcept;
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Texture(const Texture &) = delete;
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~Texture();
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Texture &operator=(Texture &&) noexcept;
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Texture &operator=(const Texture &) = delete;
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/**
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* Bind the owned texture to the given spot.
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* @param target valid target for glBindTexture.
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*/
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void bind(GLenum target) const;
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void configure(GLenum target);
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private:
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GLuint id;
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int width;
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int height;
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GLuint format;
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std::unique_ptr<float[]> data;
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void ensureReference();
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void preCalc(int subImages);
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int getStride();
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};
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}
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