60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#ifndef TEXTURE_H
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#define TEXTURE_H
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#include "opengl.h"
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#include <string>
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class Image;
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class Texture
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{
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private:
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GLuint m_texId;
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int m_texUnit;
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GLenum m_target;
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GLenum m_format;
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GLenum m_internal_format;
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int m_width;
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int m_height;
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GLenum m_dataType;
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bool m_hasMipMaps;
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void initPixels(Image* myImage, GLenum target);
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public:
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// creates a 2D texture from perlin noise
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Texture();
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// creates an empty 2D texture
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Texture(GLenum format = GL_RGBA,
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GLenum internal_format = GL_RGBA,
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int width = 512,
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int height = 512,
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GLenum dataType = GL_UNSIGNED_BYTE,
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GLenum texTarget = GL_TEXTURE_2D);
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// creates a standard texture from an image
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Texture(Image* myImage, bool makeMipMaps = true);
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// creates a cubeMap from 6 images
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Texture(Image* myCubemapImages[6], bool makeMipMaps = true);
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// creates a texture from another
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Texture(Texture* tex, bool halfDim = false);
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~Texture();
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void setUnit(int unit) { m_texUnit = unit; }
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void bind(int unit = -1);
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void unbind();
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GLuint getId() {return m_texId;}
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GLenum getTarget() {return m_target;}
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void setWrap(GLint wrap);
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void setFiltering(GLint filter);
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void setParameter(GLenum parameter, GLenum value);
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void createMipMaps();
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bool isCubeMap() {return m_target == GL_TEXTURE_CUBE_MAP;}
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bool hasMipMaps() {return m_hasMipMaps;}
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int getWidth() {return m_width;}
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int getHeight() {return m_height;}
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Image* getData();
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};
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#endif // TEXTURE_H
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