/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     gfx_GraphicsDevice.cpp
  
  Copyright (C)2009-2011 Nintendo/HAL Laboratory, Inc.  All rights reserved.
  
  These coded instructions, statements, and computer programs contain proprietary
  information of Nintendo and/or its licensed developers and are protected by
  national and international copyright laws. 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.
  
  The content herein is highly confidential and should be handled accordingly.
  
  $Revision: 31311 $
 *---------------------------------------------------------------------------*/

#include "precompiled.h"

#include <nw/gfx/gfx_GraphicsDevice.h>
#include <nw/gfx/gfx_CommandUtil.h>
#include <nw/dev.h>

namespace nw
{
namespace gfx
{

enum 
{ 
    REG_BUFFER_CACHE_CLEAR     = 0x110,
    REG_BUFFER_CACHE_TAG_CLEAR = 0x111,
    REG_BUFFER_MASK_BASE       = 0x112
};

uint GraphicsDevice::s_LutIsAbs = 0;
uint GraphicsDevice::s_LutInput = 0;
uint GraphicsDevice::s_LutScale = 0;

u32  GraphicsDevice::s_DepthFormat = RENDER_DEPTH_FORMAT_24_STENCIL8;
u32  GraphicsDevice::s_WScale24 = 0;
f32  GraphicsDevice::s_DepthRangeNear = 0.0f;
f32  GraphicsDevice::s_DepthRangeFar  = 1.0f;
u32  GraphicsDevice::s_DepthRange24   = ut::Float24::Float32ToBits24( -1.0f );
bool GraphicsDevice::s_PolygonOffsetEnabled = false;
f32  GraphicsDevice::s_PolygonOffsetUnit = 0.0f;
ResImageLookupTable GraphicsDevice::m_LutTargets[LUT_TARGET_COUNT];

u32  GraphicsDevice::s_LightPositionW = 0;
u32  GraphicsDevice::s_LightShadowed = 0xFF;
u32  GraphicsDevice::s_LightSpotEnabled = 0xFF;
u32  GraphicsDevice::s_LightDistanceAttnEnabled = 0xFF;

ResFragmentOperation::FragmentOperationMode GraphicsDevice::s_FragOperationMode = ResFragmentOperation::FRAGMENT_OPERATION_MODE_GL;
bool GraphicsDevice::s_IsFrameBufferUpdated = true; // 初期値を true にしないと初回時に更新されない。
bool GraphicsDevice::s_BlendEnabled = true;
bool GraphicsDevice::s_DepthTestEnabled = true;
bool GraphicsDevice::s_StencilTestEnabled = false;
bool GraphicsDevice::s_DepthMask = true;
u8  GraphicsDevice::s_StencilMask = 0xFF;
u32 GraphicsDevice::s_ColorMask = 0xF;

u32 GraphicsDevice::s_RenderBufferWidth = 400;
u32 GraphicsDevice::s_RenderBufferHeight = 240;

u32 GraphicsDevice::s_FrameBufferCommand[10] =
{
    1,
    internal::MakeCommandHeader(REG_BUFFER_CACHE_TAG_CLEAR, 1, false, 0xF),
    1,
    internal::MakeCommandHeader(REG_BUFFER_CACHE_CLEAR, 1, false, 0xF),
    0,
    internal::MakeCommandHeader(REG_BUFFER_MASK_BASE, 4, true, 0xF),
    0,
    0,
    0,
    0
};

//----------------------------------------
void
GraphicsDevice::ActivateLookupTable(ResImageLookupTable lookupTable, LutTarget target)
{
    NW_ASSERT(lookupTable.IsValid());
    NW_MINMAXLT_ASSERT(target, LUT_TARGET_D0, LUT_TARGET_COUNT);

    if (m_LutTargets[target] != lookupTable)
    {
        m_LutTargets[target] = lookupTable;
        ActivateLutLoadSetting(target);
        internal::NWUseCmdlist( lookupTable.GetCommandCache(), lookupTable.GetCommandCacheCount() );
    }
}

//----------------------------------------
void
GraphicsDevice::InvalidateLookupTable(ResImageLookupTable lookupTable)
{
    NW_ASSERT(lookupTable.IsValid());

    for (int target = 0; target < LUT_TARGET_COUNT; ++target)
    {
        if (m_LutTargets[target] == lookupTable)
        {
            m_LutTargets[target] = ResImageLookupTable(NULL);
        }
    }
}

//----------------------------------------
void
GraphicsDevice::InvalidateAllLookupTables()
{
    for (int target = 0; target < LUT_TARGET_COUNT; ++target)
    {
        m_LutTargets[target] = ResImageLookupTable(NULL);
    }
}

//----------------------------------------
void
GraphicsDevice::Report()
{
#if !defined(NW_RELEASE)
    NW_LOG("\n<<RenderBuffer>>\n");
    NW_LOG("[RenderBufferWidth]\n");
    NW_LOG("    0x%x\n", s_RenderBufferWidth);

    NW_LOG("[RenderBufferHeight]\n");
    NW_LOG("    0x%x\n", s_RenderBufferHeight);

    NW_LOG("[DepthFormat]\n");
    NW_LOG("    0x%x\n", s_DepthFormat);

    NW_LOG("[WScale24]\n");
    NW_LOG("    0x%x\n", s_WScale24);

    NW_LOG("[DepthRangeNear]\n");
    NW_LOG("    %f\n", s_DepthRangeNear);

    NW_LOG("[DepthRangeFar]\n");
    NW_LOG("    %f\n", s_DepthRangeFar);

    NW_LOG("[DepthRange24]\n");
    NW_LOG("    0x%x\n", s_DepthRange24);

    NW_LOG("\n<<FragmentOperation>>\n");
    NW_LOG("[FragOperationMode]\n");
    {
        static const char* table[] =
        {
            "    FRAGMENT_OPERATION_MODE_GL",
            "    FRAGMENT_OPERATION_MODE_GAS",
            "    FRAGMENT_OPERATION_MODE_SHADOW"
        };

        NW_LOG("    %s\n", table[s_FragOperationMode]);
    }

    NW_LOG("[BlendEnabled]\n");
    NW_LOG(s_BlendEnabled ? "    True\n" : "    False\n");

    NW_LOG("[DepthTestEnabled]\n");
    NW_LOG(s_DepthTestEnabled ? "    True\n" : "    False\n");

    NW_LOG("[StencilTestEnabled]\n");
    NW_LOG(s_StencilTestEnabled ? "    True\n" : "    False\n");

    NW_LOG("[DepthMask]\n");
    NW_LOG(s_DepthMask ? "    True\n" : "    False\n");

    NW_LOG("[StencilMask]\n");
    NW_LOG("    0x%x\n", s_StencilMask);

    NW_LOG("[ColorMask]\n");
    NW_LOG("    0x%x\n", s_ColorMask);

    NW_LOG("\n<<FrameBuffer>>\n");
    NW_LOG("[IsFrameBufferUpdated]\n");
    NW_LOG(s_IsFrameBufferUpdated ? "    True\n" : "    False\n");
    NW_LOG("[FrameBufferCommand]\n");
    for (int i = 0; i < FRAME_BUFFER_COMMAND_COUNT; ++i)
    {
        NW_LOG("    0x%x\n", s_FrameBufferCommand[i]);
    }

    NW_LOG("[PolygonOffsetEnabled]\n");
    NW_LOG("    0x%x\n", s_PolygonOffsetEnabled);

    NW_LOG("[PolygonOffsetUnit]\n");
    NW_LOG("    %f\n", s_PolygonOffsetUnit);

    NW_LOG("\n<<Light>>\n");
    NW_LOG("[LightPositionW]\n");
    NW_LOG("    0x%x\n", s_LightPositionW);

    NW_LOG("[LightShadowed]\n");
    NW_LOG("    0x%x\n", s_LightShadowed);

    NW_LOG("[LightSpotEnabled]\n");
    NW_LOG("    0x%x\n", s_LightSpotEnabled);

    NW_LOG("[LightDistanceAttnEnabled]\n");
    NW_LOG("    0x%x\n", s_LightDistanceAttnEnabled);

    NW_LOG("\n<<LookupTable>>\n");
    NW_LOG("[LutIsAbs]\n");
    NW_LOG("    0x%x\n", s_LutIsAbs);

    NW_LOG("[LutInput]\n");
    NW_LOG("    0x%x\n", s_LutInput);

    NW_LOG("[LutScale]\n");
    NW_LOG("    0x%x\n", s_LutScale);

    NW_LOG("[LookupTableCache]\n");
    NW_LOG(" attr :    address : name\n");

    for (int target = 0; target < LUT_TARGET_COUNT; ++target)
    {
        static const char* table[] =
        {
            "D0", "D1", "SP", "FR", "RB", "RG", "RR",
            "SP0", "SP1", "SP2", "SP3", "SP4", "SP5", "SP6", "SP7",
            "DA0", "DA1", "DA2", "DA3", "DA4", "DA5", "DA6", "DA7",
            "FOG"
        };

        NW_LOG(
            "%5s : 0x%8x : %s\n",
            table[target],
            m_LutTargets[target].ptr(),
            m_LutTargets[target].IsValid() && m_LutTargets[target].GetName() != NULL ? m_LutTargets[target].GetName() : "NA");
    }
#endif
}

} // namespace gfx
} // namespace nw