#include "Dx9RenderSystem/PrecompiledHeader.hpp"

#include "Dx9RenderSystem/DxTargetRenderer.hpp"
#include "Dx9RenderSystem/DxRenderSystem.hpp"
#include "Dx9RenderSystem/DxFrameBuffer.hpp"

using namespace Castor;
using namespace Castor3D;
using namespace Dx9Render;

DxTargetRenderer :: DxTargetRenderer( DxRenderSystem * p_pRenderSystem )
	:	TargetRenderer		( p_pRenderSystem	)
	,	m_bInitialised		( false				)
{
}

DxTargetRenderer :: ~DxTargetRenderer()
{
}

bool DxTargetRenderer :: Initialise()
{
	m_bInitialised = true;
	return m_bInitialised;
}

void DxTargetRenderer :: Cleanup()
{
	m_bInitialised = false;
}

void DxTargetRenderer :: BeginScene()
{
	IDirect3DDevice9 * l_pDevice = reinterpret_cast< DxRenderSystem* >( m_pRenderSystem )->GetDevice();

	if( m_bInitialised )
	{
		DoUpdateSize();

		if( m_target->GetScene() )
		{
			l_pDevice->Clear( 0, NULL, D3DCLEAR_TARGET, m_target->GetScene()->GetBackgroundColour().to_argb(), 1.0f, 0x00 );
		}
		else
		{
			l_pDevice->Clear( 0, NULL, D3DCLEAR_TARGET, 0x80808080, 1.0f, 0x00 );
		}

#if !DX_DEBUG
		l_pDevice->BeginScene();
#endif
	}
}

void DxTargetRenderer :: EndScene()
{
#if !DX_DEBUG
	if( m_bInitialised )
	{
		reinterpret_cast< DxRenderSystem* >( m_pRenderSystem )->GetDevice()->EndScene();
	}
#endif
}

void DxTargetRenderer :: DoUpdateSize()
{
}

RenderBufferAttachmentSPtr DxTargetRenderer :: CreateAttachment( RenderBufferSPtr p_pRenderBuffer )const
{
	RenderBufferAttachmentSPtr l_pReturn;

	if( p_pRenderBuffer->GetComponent() == eBUFFER_COMPONENT_COLOUR )
	{
		l_pReturn = std::make_shared< DxRenderBufferAttachment >( static_cast< DxRenderSystem* >( m_pRenderSystem ), std::static_pointer_cast< DxColourRenderBuffer >( p_pRenderBuffer ) );
	}
	else
	{
		l_pReturn = std::make_shared< DxRenderBufferAttachment >( static_cast< DxRenderSystem* >( m_pRenderSystem ), std::static_pointer_cast< DxDepthStencilRenderBuffer >( p_pRenderBuffer ) );
	}

	return l_pReturn;
}

TextureAttachmentSPtr DxTargetRenderer :: CreateAttachment( DynamicTextureSPtr p_pTexture )const
{
	return std::make_shared< DxTextureAttachment >( static_cast< DxRenderSystem * >( m_pRenderSystem ), p_pTexture );
}

FrameBufferSPtr DxTargetRenderer :: CreateFrameBuffer()const
{
	return std::make_shared< DxFrameBuffer >( static_cast< DxRenderSystem * >( m_pRenderSystem ) );
}