mirror of
https://github.com/JoeyDeVries/LearnOpenGL.git
synced 2026-01-10 02:23:23 +08:00
40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
/*******************************************************************
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** This code is part of Breakout.
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**
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** Breakout is free software: you can redistribute it and/or modify
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** it under the terms of the CC BY 4.0 license as published by
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** Creative Commons, either version 4 of the License, or (at your
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** option) any later version.
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******************************************************************/
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#include <iostream>
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#include "texture.h"
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Texture2D::Texture2D()
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: Width(0), Height(0), Internal_Format(GL_RGB), Image_Format(GL_RGB), Wrap_S(GL_REPEAT), Wrap_T(GL_REPEAT), Filter_Min(GL_LINEAR), Filter_Max(GL_LINEAR)
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{
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glGenTextures(1, &this->ID);
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}
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void Texture2D::Generate(unsigned int width, unsigned int height, unsigned char* data)
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{
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this->Width = width;
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this->Height = height;
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// create Texture
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glBindTexture(GL_TEXTURE_2D, this->ID);
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glTexImage2D(GL_TEXTURE_2D, 0, this->Internal_Format, width, height, 0, this->Image_Format, GL_UNSIGNED_BYTE, data);
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// set Texture wrap and filter modes
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, this->Wrap_S);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, this->Wrap_T);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, this->Filter_Min);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, this->Filter_Max);
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// unbind texture
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glBindTexture(GL_TEXTURE_2D, 0);
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}
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void Texture2D::Bind() const
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{
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glBindTexture(GL_TEXTURE_2D, this->ID);
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}
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