本文整理汇总了C++中LPDIRECTDRAWSURFACE4::BltFast方法的典型用法代码示例。如果您正苦于以下问题：C++ LPDIRECTDRAWSURFACE4::BltFast方法的具体用法？C++ LPDIRECTDRAWSURFACE4::BltFast怎么用？C++ LPDIRECTDRAWSURFACE4::BltFast使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LPDIRECTDRAWSURFACE4的用法示例。
在下文中一共展示了LPDIRECTDRAWSURFACE4::BltFast方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: SetupTexture
//=====================================================================================
// SetupTexture
//=====================================================================================
geBoolean SetupTexture(int32 Stage, geRDriver_THandle *THandle, int32 MipLevel)
{
#ifdef D3D_MANAGE_TEXTURES
D3DSetTexture(Stage, THandle->MipData[MipLevel].Texture);
return GE_TRUE;
#else
THandle_MipData *MipData;
MipData = &THandle->MipData[MipLevel];
if (!SetupMipData(MipData))
{
MipData->Flags |= THANDLE_UPDATE; // Force an upload
CacheInfo.TexMisses++;
}
if (MipData->Flags & THANDLE_UPDATE)
{
HRESULT Error;
LPDIRECTDRAWSURFACE4 Surface;
Surface = D3DCache_SlotGetSurface(MipData->Slot);
Error = Surface->BltFast(0, 0, MipData->Surface, NULL, DDBLTFAST_WAIT);
if (Error != DD_OK)
{
if(Error==DDERR_SURFACELOST)
{
if (!D3DMain_RestoreAllSurfaces())
return FALSE;
}
else
{
D3DMain_Log("SetupTexture: System to Video cache Blt failed.\n %s", D3DErrorToString(Error));
return GE_FALSE;
}
}
}
MipData->Flags &= ~THANDLE_UPDATE;
D3DCache_SlotSetLRU(MipData->Slot, CurrentLRU);
D3DSetTexture(Stage, D3DCache_SlotGetTexture(MipData->Slot));
return GE_TRUE;
#endif
}示例2: Blit
/***************************************************************************\
Blits one surface to another.
\**************************************************************************/
int IMR_DirectXInterface::Blit(LPDIRECTDRAWSURFACE4 Source, LPDIRECTDRAWSURFACE4 Target)
{
RECT Dest;
HRESULT ddrval;
DDSURFACEDESC2 SourceDesc, TargetDesc;
int BltX, BltY;
// Make sure DirectDraw is active:
if (!Flags.DirectDrawActive)
{
IMR_SetErrorText("IMR_DirectXInterface::Blit(): Interface not initialized!");
return IMRERR_NOTREADY;
}
// Make sure we have surfaces:
if (!Source || !Target)
{
IMR_SetErrorText("IMR_DirectXInterface::Blit(): NULL surface(s) specified!");
return IMRERR_NODATA;
}
// Get a surface descriptor for the surfaces:
TargetDesc.dwSize = sizeof(TargetDesc);
Target->GetSurfaceDesc(&TargetDesc);
SourceDesc.dwSize = sizeof(SourceDesc);
Source->GetSurfaceDesc(&SourceDesc);
// Now find the blit coords:
BltX = (TargetDesc.dwWidth / 2) - (SourceDesc.dwWidth / 2);
BltY = (TargetDesc.dwHeight / 2) - (SourceDesc.dwHeight / 2);
// Blit the surface:
ddrval = Target->BltFast(BltX, BltY, Source, NULL, DDBLTFAST_NOCOLORKEY | DDBLTFAST_WAIT);
// If we lost the surface, return failure:
if (ddrval == DDERR_SURFACELOST)
{
Restore(Source);
Restore(Target);
IMR_SetErrorText("IMR_DirectXInterface::Blit(): Lost surface!");
return IMRERR_DIRECTX;
}
// Return ok:
return IMR_OK;
}示例3: SetupLMap
//=====================================================================================
// SetupLMap
//=====================================================================================
geBoolean SetupLMap(int32 Stage, DRV_LInfo *LInfo, int32 LNum, geBoolean Dynamic)
{
#ifdef D3D_MANAGE_TEXTURES
#ifdef USE_TPAGES
{
geRDriver_THandle *THandle;
THandle = LInfo->THandle;
if (Dynamic)
THandle->Flags |= THANDLE_UPDATE;
if (!THandle->Block)
{
THandle->Block = TPage_MgrFindOptimalBlock(TPageMgr, CurrentLRU);
THandle->Flags |= THANDLE_UPDATE;
TPage_BlockSetUserData(THandle->Block, THandle);
assert(THandle->Block);
}
else if (TPage_BlockGetUserData(THandle->Block) != THandle)
{
// Find another block
THandle->Block = TPage_MgrFindOptimalBlock(TPageMgr, CurrentLRU);
assert(THandle->Block);
THandle->Flags |= THANDLE_UPDATE;
TPage_BlockSetUserData(THandle->Block, THandle);
}
if (THandle->Flags & THANDLE_UPDATE)
FillLMapSurface2(LInfo, LNum);
TPage_BlockSetLRU(THandle->Block, CurrentLRU);
D3DSetTexture(Stage, TPage_BlockGetTexture(THandle->Block));
if (Dynamic)
THandle->Flags |= THANDLE_UPDATE;
else
THandle->Flags &= ~THANDLE_UPDATE;
return GE_TRUE;
}
#else
{
geRDriver_THandle *THandle;
THandle = LInfo->THandle;
if (Dynamic)
THandle->MipData[0].Flags |= THANDLE_UPDATE;
if (THandle->MipData[0].Flags & THANDLE_UPDATE)
FillLMapSurface(LInfo, LNum);
D3DSetTexture(Stage, THandle->MipData[0].Texture);
if (Dynamic)
THandle->MipData[0].Flags |= THANDLE_UPDATE;
else
THandle->MipData[0].Flags &= ~THANDLE_UPDATE;
return GE_TRUE;
}
#endif
#else
geRDriver_THandle *THandle;
THandle_MipData *MipData;
THandle = LInfo->THandle;
MipData = &THandle->MipData[0];
if (Dynamic)
MipData->Flags |= THANDLE_UPDATE;
if (!SetupMipData(MipData))
{
MipData->Flags |= THANDLE_UPDATE; // Force an upload
CacheInfo.LMapMisses++;
}
if (MipData->Flags & THANDLE_UPDATE)
{
HRESULT Error;
LPDIRECTDRAWSURFACE4 Surface;
assert(MipData->Slot);
Surface = D3DCache_SlotGetSurface(MipData->Slot);
assert(Surface);
assert(THandle->Log < MAX_LMAP_LOG_SIZE);
assert(SystemToVideo[THandle->Log].Surface);
LoadLMapFromSystem(LInfo, THandle->Log, LNum);
Error = Surface->BltFast(0, 0, SystemToVideo[THandle->Log].Surface, NULL, DDBLTFAST_WAIT);
//.........这里部分代码省略.........