Method RenderReflectionPass

trinity/Eve/EveSpaceScene.cpp:1759–1990

}

void EveSpaceScene::RenderReflectionPass( Tr2GpuResourcePool& gpuResourcePool, Tr2RenderContext& renderContext )
{
	if( !HasReflectionProbe() || !m_display )
	{
		return;
	}

	CCP_STATS_ZONE( __FUNCTION__ );

	// set the current reflection
	GPU_REGION( renderContext, "Reflection" );

	// lower the reflection intensity for the objects rendered into the reflection
	// (so the reflections in the reflections don't get brighter and brighter)
	// we cap it at 0.8 for no good reason, just felt like a good number to cap the reflection intensity in the reflections
	auto tmp = m_currentReflectionIntensity;
	if( m_currentReflectionIntensity != 0.0f )
	{
		m_currentReflectionIntensity = min( 0.8f, 1.0f / ( m_currentReflectionIntensity * m_currentReflectionIntensity ) );
	}

	{
		// Override DepthMap in the variable store
		ITr2TextureProvider* bkDepthMapTexVar = nullptr;
		CTr2TextureReference faceDepthBuffer;
		if( m_depthMapVar.GetType() == TRIVARIABLE_TEXTURE_RES )
		{
			m_depthMapVar.GetValue( bkDepthMapTexVar );
			if( bkDepthMapTexVar )
			{
				bkDepthMapTexVar->Lock();
			}

			m_depthMapVar = &faceDepthBuffer;
		}
		ON_BLOCK_EXIT( [&] {
			if( m_depthMapVar.GetType() == TRIVARIABLE_TEXTURE_RES )
			{
				m_depthMapVar = bkDepthMapTexVar;
				if( bkDepthMapTexVar )
				{
					bkDepthMapTexVar->Unlock();
				}
			}
			UpdateVariableStore();
		} );

		auto bkProjection = m_projection;
		ON_BLOCK_EXIT( [&] { m_projection = bkProjection; } );
		auto bkJitter = m_jitterMatrix;
		m_jitterMatrix = IdentityMatrix();
		ON_BLOCK_EXIT( [&] { m_jitterMatrix = bkJitter; } );

		// we change the frustum during reflection updates/renderings
		// we need the old one for resetting
		auto normalFrustum = m_updateContext.GetFrustum();