reactos/dll/directx/d3d9/d3d9_texture.c

121 lines
3.6 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS ReactX
* FILE: dll/directx/d3d9/d3d9_texture.c
* PURPOSE: d3d9.dll internal texture surface functions
* PROGRAMERS: Gregor Gullwi <gbrunmar (dot) ros (at) gmail (dot) com>
*/
#include "d3d9_texture.h"
#define LOCK_D3DDEVICE9() D3D9BaseObject_LockDevice(&This->BaseResource.BaseObject)
#define UNLOCK_D3DDEVICE9() D3D9BaseObject_UnlockDevice(&This->BaseResource.BaseObject)
/* Convert a IDirect3DBaseTexture9 pointer safely to the internal implementation struct */
Direct3DBaseTexture9_INT* IDirect3DBaseTexture9ToImpl(LPDIRECT3DBASETEXTURE9 iface)
{
if (NULL == iface)
return NULL;
return (Direct3DBaseTexture9_INT*)((ULONG_PTR)iface - FIELD_OFFSET(Direct3DBaseTexture9_INT, lpVtbl));
}
void InitDirect3DBaseTexture9(Direct3DBaseTexture9_INT* pBaseTexture,
IDirect3DBaseTexture9Vtbl* pVtbl,
DWORD Usage,
UINT Levels,
D3DFORMAT Format,
D3DPOOL Pool,
struct _Direct3DDevice9_INT* pDevice,
enum REF_TYPE RefType)
{
InitDirect3DResource9(&pBaseTexture->BaseResource, Pool, pDevice, RefType);
pBaseTexture->lpVtbl = pVtbl;
pBaseTexture->Format = Format;
pBaseTexture->wPaletteIndex = 0xFFFF;
pBaseTexture->Usage = Usage;
pBaseTexture->MipMapLevels = Levels;
pBaseTexture->MipMapLevels2 = Levels;
pBaseTexture->FilterType = D3DTEXF_LINEAR;
pBaseTexture->bIsAutoGenMipMap = (Usage & D3DUSAGE_AUTOGENMIPMAP) != 0;
}
/*++
* @name IDirect3DBaseTexture9::GetAutoGenFilterType
* @implemented
*
* The function D3D9Texture_GetAutoGenFilterType returns filter type
* that is used when automated mipmaping is set.
*
* @param LPDIRECT3DBASETEXTURE9 iface
* Pointer to a IDirect3DBaseTexture9 interface
*
* @return D3DTEXTUREFILTERTYPE
* Filter type used when automated mipmaping is set for the specified texture.
*
*/
D3DTEXTUREFILTERTYPE WINAPI D3D9Texture_GetAutoGenFilterType(LPDIRECT3DBASETEXTURE9 iface)
{
D3DTEXTUREFILTERTYPE FilterType;
Direct3DBaseTexture9_INT* This = IDirect3DBaseTexture9ToImpl(iface);
LOCK_D3DDEVICE9();
FilterType = This->dwFilterType;
UNLOCK_D3DDEVICE9();
return FilterType;
}
/*++
* @name IDirect3DBaseTexture9::GetLOD
* @implemented
*
* The function D3D9Texture_GetLOD returns the number
* max LODs for the specified texture, if it's managed.
*
* @param LPDIRECT3DBASETEXTURE9 iface
* Pointer to a IDirect3DBaseTexture9 interface
*
* @return DWORD
* Returns the number of LODs in the specified texture if it's managed.
*
*/
DWORD WINAPI D3D9Texture_GetLOD(LPDIRECT3DBASETEXTURE9 iface)
{
DWORD MaxLOD = 0;
Direct3DBaseTexture9_INT* This = IDirect3DBaseTexture9ToImpl(iface);
LOCK_D3DDEVICE9();
if (This->BaseResource.bIsManaged)
MaxLOD = This->MaxLOD;
UNLOCK_D3DDEVICE9();
return MaxLOD;
}
/*++
* @name IDirect3DBaseTexture9::GetLevelCount
* @implemented
*
* The function D3D9Texture_GetLevelCount returns the number of mip map levels
* in the specified texture.
*
* @param LPDIRECT3DBASETEXTURE9 iface
* Pointer to a IDirect3DBaseTexture9 interface
*
* @return DWORD
* Returns the number of levels in the specified texture.
*
*/
DWORD WINAPI D3D9Texture_GetLevelCount(LPDIRECT3DBASETEXTURE9 iface)
{
DWORD MipMapLevels;
Direct3DBaseTexture9_INT* This = IDirect3DBaseTexture9ToImpl(iface);
LOCK_D3DDEVICE9();
MipMapLevels = This->MipMapLevels;
UNLOCK_D3DDEVICE9();
return MipMapLevels;
}