//-----------------------------------------------------------------------------
// File: D3DTextr.h
//
// Desc: Functions to manage textures, including creating (loading from a
//       file), restoring lost surfaces, invalidating, and destroying.
//
//       Note: the implementation of these fucntions maintain an internal list
//       of loaded textures. After creation, individual textures are referenced
//       via their ASCII names.
//
// Copyright (c) 1997-1999 Microsoft Corporation. All rights reserved
//-----------------------------------------------------------------------------
#ifndef D3DTEXTR_H
#define D3DTEXTR_H

#include <ddraw.h>
#include <d3d.h>




//-----------------------------------------------------------------------------
// Access functions for loaded textures. Note: these functions search
// an internal list of the textures, and use the texture associated with the
// ASCII name.
//-----------------------------------------------------------------------------
LPDIRECTDRAWSURFACE7 D3DTextr_GetSurface(TCHAR* strName);




//-----------------------------------------------------------------------------
// Texture invalidation and restoration functions
//-----------------------------------------------------------------------------
HRESULT D3DTextr_Invalidate(TCHAR* strName);
HRESULT D3DTextr_Restore(TCHAR* strName, LPDIRECT3DDEVICE7 pd3dDevice);
HRESULT D3DTextr_InvalidateAllTextures();
HRESULT D3DTextr_RestoreAllTextures(LPDIRECT3DDEVICE7 pd3dDevice);




//-----------------------------------------------------------------------------
// Texture creation and deletion functions
//-----------------------------------------------------------------------------
#define D3DTEXTR_TRANSPARENTWHITE 0x00000001
#define D3DTEXTR_TRANSPARENTBLACK 0x00000002
#define D3DTEXTR_32BITSPERPIXEL   0x00000004
#define D3DTEXTR_16BITSPERPIXEL   0x00000008
#define D3DTEXTR_CREATEWITHALPHA  0x00000010


HRESULT D3DTextr_CreateTextureFromFile(TCHAR* strName, DWORD dwStage=0L,
                                        DWORD dwFlags=0L);
HRESULT D3DTextr_CreateEmptyTexture(TCHAR* strName, DWORD dwWidth,
                                     DWORD dwHeight, DWORD dwStage,
                                     DWORD dwFlags);
HRESULT D3DTextr_DestroyTexture(TCHAR* strName);
VOID    D3DTextr_SetTexturePath(TCHAR* strTexturePath);



#endif // D3DTEXTR_H