/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     lyt_Drawer.cpp

  Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Revision: 24746 $
 *---------------------------------------------------------------------------*/

#include "precompiled.h"
#include <nw/lyt/lyt_Layout.h>
#include <nw/lyt/lyt_Pane.h>
#include <nw/lyt/lyt_Drawer.h>
#include <nw/lyt/lyt_DrawerCommand.h>
#include <nw/lyt/lyt_DrawInfo.h>
#include <nw/lyt/lyt_GraphicsResource.h>

#ifdef NW_LYT_DRAWER_ENABLE

namespace nw { namespace lyt {

//----------------------------------------------------------
// Drawer

void
Drawer::Draw( const Layout* pLayout, DrawInfo& drawInfo )
{
    if ( pLayout == NULL )
    {
        return;
    }

    if ( pLayout->GetRootPane() == NULL ||
         pLayout->GetRootPane()->IsVisible() == false ) return;

    pLayout->GetRootPane()->MakeUniformData( &drawInfo, this );
}

void
Drawer::Draw( const Pane* pPane, DrawInfo& drawInfo )
{
    if ( pPane == NULL )
    {
        return;
    }

    if ( pPane->IsVisible() )
    {
        pPane->MakeUniformData( &drawInfo, this );
    }
}

void
Drawer::DrawBegin( const DrawInfo& drawInfo )
{
    u32 flag = 0;
    DrawBegin(flag);

    Base::SetProjectionMtx(drawInfo.GetProjectionMtx());
}

void
Drawer::DrawBegin(u32 flag)
{
    m_ActiveTexureNum = 0;
    m_TexCoordNum = 0;
    m_PrevTexObj = 0;
    m_CurrentTexEnvType = TEX_ENV_TYPE_NUM;

    m_IsBlendDefault = true;
    
    SetUpTextures( NULL, false );

    Base::DrawBegin(flag);
}

void
Drawer::DrawEnd(u32 flag)
{
    FlushBuffer();

    Base::DrawEnd(flag);
}

Drawer::Drawer()
:   m_PrevTexObj(0),
    m_ActiveTexureNum(0),
    m_TexCoordNum(0),
    m_IsBlendDefault(true),
    m_AlphaTestEnable(false),
    m_CurrentTexEnvType(TEX_ENV_TYPE_NUM)
#if ! defined(NW_RELEASE)
    , m_PreviousTexEnvType(TEX_ENV_TYPE_NUM)
#endif
{
}

Drawer::Drawer( GraphicsResource& graphicsResource )
{
    this->Initialize( graphicsResource );
}

void
Drawer::Initialize( GraphicsResource& graphicsResource, void* vertexBuffer )
{
    const u32 cmdBufSize = GetCommandBufferSize(
        graphicsResource.GetRectShaderBinary(),
        graphicsResource.GetRectShaderBinarySize());

    const u32 allocSize = cmdBufSize + (vertexBuffer == NULL ? GetVertexBufferSize(): 0);

    void* commandBuffer = Layout::AllocDeviceMemory(allocSize, 4);
    NW_NULL_ASSERT(commandBuffer);

    if (vertexBuffer == NULL)
    {
        Base::Initialize(
            commandBuffer,
            graphicsResource.GetRectShaderBinary(),
            graphicsResource.GetRectShaderBinarySize());
    }
    else
    {
        Base::Initialize(
            vertexBuffer,
            commandBuffer,
            graphicsResource.GetRectShaderBinary(),
            graphicsResource.GetRectShaderBinarySize());
    }
}

void
Drawer::Finalize()
{
    void *const comamndBuffer = m_CommandBuffer;

    Base::Finalize();
    Layout::FreeDeviceMemory(comamndBuffer);
}

}   // namespace lyt
}   // namespace nw
#endif