// ---------------------------------------------------------------------------
//  Project:  NintendoWare
//  File:     CalcTexCoord2.vsh
//
//  Copyright (C)2009-2010 Nintendo Co., Ltd.  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.
//
//  $Revision:$
// ---------------------------------------------------------------------------

#include "ShaderConfig.h"
#include "VertexShader.h"

//------------------------------------------
// テクスチャ座標計算
//------------------------------------------
// テクスチャ座標2
l_calc_texcoord2:
    mov     TEMP0.xy,   nw_texture_coordinate._Z
    ifb nw_uv_mapping_position2 // UVマッピング
#ifdef NW_FIXED_TEX_SORUCE // テクスチャソースを固定で取得します。
        mul     TEMP_TEX.xy,       nw_texcoord2.xy,   nw_attribute_scale1._Z
        mov     TEMP_TEX.zw,        CONST_0_0_1_1
#else
        call    l_get_texcoord_source
#endif
        dp4     TRAN_TEX2.x,        TEMP_TEX,          nw_texture_matrix2[0]._XYWZ
        dp4     TRAN_TEX2.y,        TEMP_TEX,          nw_texture_matrix2[1]._XYWZ
        mov     TRAN_TEX2.zw,       TEMP_TEX.zw
        mov     o_TexCoord2,        TRAN_TEX2
    else
        ifb nw_is_texture2_enabled
            mov     TEMP_TEX.zw,        CONST_0_0_1_1
            mov     TRAN_TEX2.zw,       TEMP_TEX.zw
            call    l_gen_texcoord_sphere_reflection
            dp4     TRAN_TEX2.x,        TEMP_TEX,          nw_texture_matrix2[0]._XYZW
            dp4     TRAN_TEX2.y,        TEMP_TEX,          nw_texture_matrix2[1]._XYZW
            // 出力レジスタには全てのコンポーネントに書き込みを行う必要があります。
            mov     o_TexCoord2,        TRAN_TEX2
        else
            mov     o_TexCoord2,        CONST_0
        endif
        nop
    endif
    nop
    ret