57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
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#include "externals.hh"
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#include "combine.hh"
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#include "bloom.hh"
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#include "profiling.hh"
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namespace {
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static const std::string Name_( "Combine" );
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}
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#define PSTART() T_Profiler::Profiler.start( Name_ )
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#define PEND() do { glFinish( ); T_Profiler::Profiler.end( Name_ ); } while ( 0 )
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T_CombinePass::T_CombinePass(
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__rw__ T_FilesWatcher& watcher ,
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__rw__ T_Texture& image ,
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__rw__ T_Texture& bloom )
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: txImage_( image ) , txBloom_( bloom ) ,
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program_( GL_FRAGMENT_SHADER , watcher ) ,
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bloomStrength_( 0.45 ) ,
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bloomAttenuation_( 0.3 )
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{
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program_.addFile( "combine.glsl" );
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program_.load( );
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}
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void T_CombinePass::render( )
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{
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PSTART( );
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T_Rendertarget::MainOutput( );
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glClearColor( 1 , 0 , 1 , 1 );
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glClear( GL_COLOR_BUFFER_BIT );
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if ( program_.activate( ) ) {
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T_TextureBinding main( 0 ) , blur( 1 );
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main.set( 0 , txImage_ );
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main.bind( );
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blur.set( 1 , txBloom_ );
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blur.bind( );
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glUniform2f( 2 , txImage_.width( ) , txImage_.height( ) );
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glUniform2f( 3 , bloomStrength_ , bloomAttenuation_ );
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glRectf( -1, -1 , 1 , 1 );
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glBindTexture( GL_TEXTURE_2D , 0 );
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}
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PEND( );
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}
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void T_CombinePass::makeUI( )
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{
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if ( !ImGui::CollapsingHeader( "Combine" ) ) {
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return;
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}
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ImGui::DragFloat( "Bloom strength" , &bloomStrength_ , .001f , 0. , 10 );
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ImGui::DragFloat( "Bloom attenuation" , &bloomAttenuation_ , .001f , 0. , 1 );
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}
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