demotool/texture.hh

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#pragma once
#ifndef REAL_BUILD
# include "externals.hh"
#endif
enum class E_TexType {
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RGBA8 ,
RGBA16F ,
RGB8 ,
RGB16F ,
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R8 ,
R16F ,
};
enum class E_TexSampling {
NEAREST ,
LINEAR ,
};
enum class E_TexWrap {
REPEAT ,
CLAMP_EDGE ,
CLAMP_BORDER
};
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struct T_Texture
{
T_Texture( ) = delete;
T_Texture( T_Texture const& ) = delete;
T_Texture( T_Texture&& ) = delete;
T_Texture(
__rd__ const uint32_t width ,
__rd__ const uint32_t height ,
__rd__ const E_TexType type ,
__rd__ const uint32_t levels = 1 );
~T_Texture( );
T_Texture& samplingMode(
__rd__ const E_TexSampling mode );
T_Texture& wrap(
__rd__ const E_TexWrap mode );
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GLuint id( ) const noexcept { return id_; }
uint32_t levels( ) const noexcept { return levels_; }
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uint32_t width( ) const noexcept { return width_; }
uint32_t height( ) const noexcept { return height_; }
private:
GLuint id_;
uint32_t levels_ , width_ , height_;
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};
struct T_TextureBinding
{
T_TextureBinding( ) = delete;
T_TextureBinding( T_TextureBinding const& ) = delete;
T_TextureBinding( T_TextureBinding&& ) = delete;
explicit T_TextureBinding(
__rd__ const uint32_t binding );
void clear( );
void set( __rd__ const uint32_t uniform ,
__rd__ T_Texture const& texture );
void bind( ) const;
private:
const uint32_t binding_;
uint32_t uniform_;
T_Texture const* texture_;
};