Method RenderFog

trinity/PostProcess/Tr2PostProcessRenderer.cpp:1406–1433

}

void Tr2PostProcessRenderer::RenderFog( const Tr2TextureAL& dest, const Tr2TextureAL& source, Tr2GpuResourcePool& gpuResourcePool, Tr2RenderContext& renderContext, Tr2PPFogEffect* fog )
{
	GPU_REGION( renderContext, "Fog" );
	renderContext.m_esm.ApplyStandardStates( Tr2EffectStateManager::RM_FULLSCREEN );


	// render fog color
	auto rt1 = gpuResourcePool.GetTempTexture( "Fog Color", TextureSize2D( dest.GetDesc() ) * 0.5f, dest.GetFormat(), RENDER_TARGET );
	TEMP_PARAM( m_fogColorEffect, "BlitCurrent", dest );
	m_fogColorEffect->SetParameter( MEMOIZED_STRING( "Params" ), Vector4( fog->m_nebulaInfluence, fog->m_nebulaBlur, fog->m_originalBrightenOnly, fog->m_colorInfluence ) );
	m_fogColorEffect->SetParameter( MEMOIZED_STRING( "Color" ), Vector4( fog->m_color ) );
	DrawInto( rt1, Tr2LoadAction::DONT_CARE, m_fogColorEffect, renderContext );

	// blur
	auto blurred = Blur( std::move( rt1 ), gpuResourcePool, renderContext, {} );

	// final composite
	m_fogCompositeEffect->SetParameter( MEMOIZED_STRING( "FogParameters" ), Vector4( fog->m_totalAmount, fog->m_totalPower, fog->m_backgroundOcclusion, fog->m_intensity ) );
	m_fogCompositeEffect->SetParameter( MEMOIZED_STRING( "BrightnessAdjustment" ), Vector4( fog->m_brightnessThreshold0, fog->m_brightnessThreshold1, fog->m_brightnessAdjustmentAmount, 0.0f ) );
	m_fogCompositeEffect->SetParameter( MEMOIZED_STRING( "BlendFunction0" ), Vector4( fog->m_blendDistance0, fog->m_blendBias0, fog->m_blendAmount0, fog->m_blendPower0 ) );
	m_fogCompositeEffect->SetParameter( MEMOIZED_STRING( "BlendFunction1" ), Vector4( fog->m_blendDistance1, fog->m_blendBias1, fog->m_blendAmount1, fog->m_blendPower1 ) );
	m_fogCompositeEffect->SetParameter( MEMOIZED_STRING( "BlendFunction2" ), Vector4( fog->m_blendDistance2, fog->m_blendBias2, fog->m_blendAmount2, fog->m_blendPower2 ) );
	m_fogCompositeEffect->SetParameter( MEMOIZED_STRING( "AreaSize" ), Vector4( fog->m_areaSize, fog->m_areaScale.x ) );
	m_fogCompositeEffect->SetParameter( MEMOIZED_STRING( "AreaCenter" ), Vector4( fog->m_areaCenter, fog->m_areaScale.y ) );
	TEMP_PARAM( m_fogCompositeEffect, "BlitCurrent", blurred );
	TEMP_PARAM( m_fogCompositeEffect, "BlitOriginal", source );
	DrawInto( dest, Tr2LoadAction::DONT_CARE, m_fogCompositeEffect, renderContext );
}

void Tr2PostProcessRenderer::RenderTaa( const Tr2TextureAL& dest, const Tr2TextureAL& velocity, const Tr2TextureAL& opaqueColor, Tr2GpuResourcePool& gpuResourcePool, Tr2RenderContext& renderContext, Tr2PPTaaEffect* taa, Tr2PPDynamicExposureEffect* dynamicExposure )
{