demotool/bloom.hh

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#pragma once
#ifndef REAL_BUILD
# include "externals.hh"
#endif
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#include "rendertarget.hh"
#include "programs.hh"
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struct T_BloomPass
{
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static constexpr uint32_t BloomLevels = 6;
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T_BloomPass( ) = delete;
T_BloomPass( T_BloomPass const& ) = delete;
T_BloomPass( T_BloomPass&& ) = delete;
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T_BloomPass( __rw__ T_FilesWatcher& watcher ,
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__rw__ T_Texture& input );
void render( );
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void makeUI( );
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T_Texture& output( ) { return txBlur0_; }
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private:
T_Texture& input_;
T_ShaderProgram spHighpass_;
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T_ShaderProgram spDownsample_;
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T_ShaderProgram spBlur_;
T_TextureSampler sampler_;
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T_Texture txBlur0_ , txBlur1_;
std::vector< T_Rendertarget > rtBlur0_ , rtBlur1_;
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float filterParams_[ 3 ];
float blurWeights_[ 4 ];
float blurSize_;
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};