515 lines
14 KiB
C++
515 lines
14 KiB
C++
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/*******************************************************************************
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* DXSurfB.cpp *
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*------------*
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* Description:
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* This module contains the CDXBaseSurface implementaion.
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*-------------------------------------------------------------------------------
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* Created By: RAL Date: 02/12/1998
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* Copyright (C) 1998 Microsoft Corporation
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* All Rights Reserved
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*
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*-------------------------------------------------------------------------------
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* Revisions:
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*
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*******************************************************************************/
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//--- Additional includes
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#include <DXTrans.h>
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#include "DXSurfB.h"
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#include "new.h"
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CDXBaseSurface::CDXBaseSurface() :
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m_ulLocks(0),
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m_ulThreadsWaiting(0),
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m_Height(0),
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m_Width(0),
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m_pFreePtr(NULL),
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m_dwStatusFlags(DXSURF_READONLY),
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m_dwAppData(0)
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{
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m_hSemaphore = CreateSemaphore(NULL, 0, MAXLONG, NULL);
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m_ulNumInRequired = m_ulMaxInputs = 0;
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}
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HRESULT CDXBaseSurface::FinalConstruct()
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{
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return m_hSemaphore ? S_OK : E_OUTOFMEMORY;
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}
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void CDXBaseSurface::FinalRelease()
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{
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while (m_pFreePtr)
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{
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CDXBaseARGBPtr *pNext = m_pFreePtr->m_pNext;
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DeleteARGBPointer(m_pFreePtr);
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m_pFreePtr = pNext;
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}
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if (m_hSemaphore)
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{
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CloseHandle(m_hSemaphore);
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}
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}
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STDMETHODIMP CDXBaseSurface::GetGenerationId(ULONG *pGenerationId)
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{
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if (DXIsBadWritePtr(pGenerationId, sizeof(*pGenerationId)))
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{
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return E_POINTER;
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}
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Lock();
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OnUpdateGenerationId();
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*pGenerationId = m_dwGenerationId;
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Unlock();
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return S_OK;
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}
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STDMETHODIMP CDXBaseSurface::IncrementGenerationId(BOOL /*bRefresh */)
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{
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Lock();
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m_dwGenerationId++;
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Unlock();
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return S_OK;
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}
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STDMETHODIMP CDXBaseSurface::GetObjectSize(ULONG *pcbSize)
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{
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HRESULT hr = S_OK;
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if (DXIsBadWritePtr(pcbSize, sizeof(*pcbSize)))
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{
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hr = E_POINTER;
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}
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else
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{
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Lock();
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*pcbSize = OnGetObjectSize();
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Unlock();
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}
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return hr;
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}
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STDMETHODIMP CDXBaseSurface::MapBoundsIn2Out
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(const DXBNDS *pInBounds, ULONG ulNumInBnds, ULONG /*ulOutIndex*/, DXBNDS *pOutBounds)
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{
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HRESULT hr = S_OK;
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if (DXIsBadWritePtr(pOutBounds, sizeof(*pOutBounds)))
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{
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hr = E_POINTER;
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}
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else
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{
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Lock();
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new(pOutBounds) CDXDBnds(m_Width, m_Height);
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Unlock();
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}
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return hr;
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}
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STDMETHODIMP CDXBaseSurface::InitSurface(IUnknown *pDirectDraw,
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const DDSURFACEDESC * pDDSurfaceDesc,
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const GUID * pFormatId,
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const DXBNDS *pBounds,
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DWORD dwFlags)
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{
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HRESULT hr = S_OK;
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if (pDDSurfaceDesc || DXIsBadReadPtr(pBounds, sizeof(*pBounds)) || pBounds->eType != DXBT_DISCRETE)
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{
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hr = E_INVALIDARG;
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}
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else
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{
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_EnterCritWith0PtrLocks();
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if (m_Width)
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{
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hr = HRESULT_FROM_WIN32(ERROR_ALREADY_INITIALIZED);
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}
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else
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{
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CDXDBnds *pbnds = (CDXDBnds *)pBounds;
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hr = OnSetSize(pbnds->Width(), pbnds->Height());
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}
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Unlock();
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}
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return hr;
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}
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STDMETHODIMP CDXBaseSurface::GetPixelFormat(GUID *pFormat, DXSAMPLEFORMATENUM *pSampleFormatEnum)
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{
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HRESULT hr = S_OK;
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if (DX_IS_BAD_OPTIONAL_WRITE_PTR(pFormat) ||
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DX_IS_BAD_OPTIONAL_WRITE_PTR(pSampleFormatEnum))
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{
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hr = E_POINTER;
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}
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else
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{
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if (pFormat) *pFormat = SurfaceCLSID();
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if (pSampleFormatEnum) *pSampleFormatEnum = SampleFormatEnum();
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}
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return hr;
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}
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STDMETHODIMP CDXBaseSurface::GetBounds(DXBNDS* pBounds)
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{
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HRESULT hr = S_OK;
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if (DXIsBadWritePtr(pBounds, sizeof(*pBounds)))
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{
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hr = E_POINTER;
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}
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else
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{
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Lock();
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new(pBounds) CDXDBnds(m_Width, m_Height);
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Unlock();
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}
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return hr;
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}
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STDMETHODIMP CDXBaseSurface::GetStatusFlags(DWORD* pdwStatusFlags)
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{
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HRESULT hr = S_OK;
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if (DXIsBadWritePtr(pdwStatusFlags, sizeof(*pdwStatusFlags)))
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{
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hr = E_POINTER;
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}
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else
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{
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Lock();
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*pdwStatusFlags = m_dwStatusFlags;
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Unlock();
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}
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return hr;
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}
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STDMETHODIMP CDXBaseSurface::SetStatusFlags(DWORD dwStatusFlags )
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{
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_EnterCritWith0PtrLocks();
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m_dwStatusFlags = dwStatusFlags | DXSURF_READONLY;
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m_dwGenerationId++;
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Unlock();
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return S_OK;
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}
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STDMETHODIMP CDXBaseSurface::GetDirectDrawSurface(REFIID riid, void **ppSurface)
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{
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return E_NOTIMPL;
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}
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STDMETHODIMP CDXBaseSurface::LockSurface(const DXBNDS *pBounds, ULONG ulTimeOut,
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DWORD dwFlags, REFIID riid, void **ppPointer,
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DWORD * pGenerationId)
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{
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HRESULT hr = S_OK;
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BOOL bMPLockOnly = m_bInMultiThreadWorkProc;
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if (!bMPLockOnly) Lock();
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m_MPWorkProcCrit.Lock();
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if (m_Width == 0)
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{
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hr = E_FAIL;
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}
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else
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{
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RECT r;
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r.top = r.left = 0;
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r.right = m_Width;
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r.bottom = m_Height;
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if (pBounds)
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{
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if (pBounds->eType != DXBT_DISCRETE)
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{
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hr = DXTERR_INVALID_BOUNDS;
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}
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else
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{
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((CDXDBnds *)pBounds)->GetXYRect(r);
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if (r.top < 0 || r.left < 0 || (ULONG)r.right > m_Width || (ULONG)r.bottom > m_Height || r.bottom <= r.top || r.right <= r.left)
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{
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hr = DXTERR_INVALID_BOUNDS;
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}
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}
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}
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if (SUCCEEDED(hr))
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{
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CDXBaseARGBPtr * pPtr = m_pFreePtr;
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if (pPtr)
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{
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m_pFreePtr = pPtr->m_pNext;
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}
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else
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{
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hr = CreateARGBPointer(this, &pPtr);
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}
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if (SUCCEEDED(hr))
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{
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hr = pPtr->InitFromLock(r, ulTimeOut, dwFlags, riid, ppPointer);
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if (pGenerationId)
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{
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if (DXIsBadWritePtr(pGenerationId, sizeof(*pGenerationId)))
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{
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hr = E_POINTER;
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}
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else
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{
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*pGenerationId = m_dwGenerationId;
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}
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}
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if (SUCCEEDED(hr))
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{
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m_ulLocks++;
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}
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else
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{
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pPtr->m_pNext = m_pFreePtr;
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m_pFreePtr = pPtr;
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}
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}
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}
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}
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m_MPWorkProcCrit.Unlock();
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if (!bMPLockOnly) Unlock();
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return hr;
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}
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void CDXBaseSurface::_InternalUnlock(CDXBaseARGBPtr *pPtrToUnlock)
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{
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BOOL bMPLockOnly = m_bInMultiThreadWorkProc;
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if (!bMPLockOnly) Lock();
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m_MPWorkProcCrit.Lock();
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pPtrToUnlock->m_pNext = m_pFreePtr;
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m_pFreePtr = pPtrToUnlock;
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m_ulLocks--;
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if ((m_ulLocks == 0) && m_ulThreadsWaiting)
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{
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ReleaseSemaphore(m_hSemaphore, m_ulThreadsWaiting, NULL);
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m_ulThreadsWaiting = 0;
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}
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m_MPWorkProcCrit.Unlock();
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if (!bMPLockOnly) Unlock();
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IUnknown *punkOuter = GetControllingUnknown();
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punkOuter->Release(); // Release pointer's reference to us
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// which could kill us! Don't touch
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// any members after this point.
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}
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//
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// Picking interface needs to test the appropriate point for hit testing
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//
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HRESULT CDXBaseSurface::OnSurfacePick(const CDXDBnds & OutPoint, ULONG & ulInputIndex, CDXDVec & InVec)
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{
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HRESULT hr;
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IDXARGBReadPtr *pPtr;
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hr = LockSurface(&OutPoint, m_ulLockTimeOut, DXLOCKF_READ,
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IID_IDXARGBReadPtr, (void **)&pPtr, NULL);
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if( SUCCEEDED(hr) )
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{
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DXPMSAMPLE val;
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pPtr->UnpackPremult(&val, 1, FALSE);
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pPtr->Release();
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hr = val.Alpha ? DXT_S_HITOUTPUT : S_FALSE;
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}
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else
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{
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if (hr == DXTERR_INVALID_BOUNDS) hr = S_FALSE;
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}
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return hr;
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}
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/*****************************************************************************
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* RegisterSurface (STATIC member function)
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*-----------------------------------------------------------------------------
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* Description:
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*-----------------------------------------------------------------------------
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* Created By: RAL Date: 12/10/97
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*-----------------------------------------------------------------------------
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* Parameters:
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*****************************************************************************/
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HRESULT CDXBaseSurface::
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RegisterSurface(REFCLSID rcid, int ResourceId, ULONG cCatImpl, const CATID * pCatImpl,
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ULONG cCatReq, const CATID * pCatReq, BOOL bRegister)
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{
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HRESULT hr = bRegister ? _Module.UpdateRegistryFromResource(ResourceId, bRegister) : S_OK;
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if (SUCCEEDED(hr))
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{
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CComPtr<ICatRegister> pCatRegister;
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HRESULT hr = CoCreateInstance(CLSID_StdComponentCategoriesMgr, NULL, CLSCTX_ALL, IID_ICatRegister, (void **)&pCatRegister);
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if (SUCCEEDED(hr))
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{
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if (bRegister)
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{
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hr = pCatRegister->RegisterClassImplCategories(rcid, cCatImpl, (CATID *)pCatImpl);
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if (SUCCEEDED(hr) && cCatReq && pCatReq) {
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hr = pCatRegister->RegisterClassReqCategories(rcid, cCatReq, (CATID *)pCatReq);
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}
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}
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else
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{
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pCatRegister->UnRegisterClassImplCategories(rcid, cCatImpl, (CATID *)pCatImpl);
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if (cCatReq && pCatReq)
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{
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pCatRegister->UnRegisterClassReqCategories(rcid, cCatReq, (CATID *)pCatReq);
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}
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}
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}
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}
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if ((!bRegister) && SUCCEEDED(hr))
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{
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_Module.UpdateRegistryFromResource(ResourceId, bRegister);
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}
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return hr;
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}
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//
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// CDXBaseARGBPtr
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//
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STDMETHODIMP CDXBaseARGBPtr::QueryInterface(REFIID riid, void ** ppv)
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{
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if (IsEqualGUID(riid, IID_IUnknown) ||
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IsEqualGUID(riid, IID_IDXARGBReadPtr))
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{
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*ppv = (IDXARGBReadPtr *)this;
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m_ulRefCount++;
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return S_OK;
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}
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else
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{
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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}
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ULONG STDMETHODCALLTYPE CDXBaseARGBPtr::AddRef()
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{
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return ++m_ulRefCount;
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}
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ULONG STDMETHODCALLTYPE CDXBaseARGBPtr::Release()
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{
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--m_ulRefCount;
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ULONG c = m_ulRefCount;
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if (c == 0)
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{
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m_pSurface->_InternalUnlock(this); // Don't touch members after this call.
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}
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|
|
return c;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE CDXBaseARGBPtr::GetSurface(REFIID riid, void **ppSurface)
|
||
|
|
{
|
||
|
|
return m_pSurface->GetControllingUnknown()->QueryInterface(riid, ppSurface);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
DXSAMPLEFORMATENUM STDMETHODCALLTYPE CDXBaseARGBPtr::GetNativeType(DXNATIVETYPEINFO *pInfo)
|
||
|
|
{
|
||
|
|
if (pInfo)
|
||
|
|
{
|
||
|
|
memset(pInfo, 0, sizeof(pInfo));
|
||
|
|
}
|
||
|
|
return m_pSurface->SampleFormatEnum();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void STDMETHODCALLTYPE CDXBaseARGBPtr::Move(long cSamples)
|
||
|
|
{
|
||
|
|
m_FillInfo.x += cSamples;
|
||
|
|
//--- Moving one column past the end is okay
|
||
|
|
_ASSERT((long)m_FillInfo.x <= m_LockedRect.right);
|
||
|
|
}
|
||
|
|
|
||
|
|
void STDMETHODCALLTYPE CDXBaseARGBPtr::MoveToRow(ULONG y)
|
||
|
|
{
|
||
|
|
m_FillInfo.x = m_LockedRect.left;
|
||
|
|
m_FillInfo.y = y + m_LockedRect.top;
|
||
|
|
_ASSERT((long)m_FillInfo.y < m_LockedRect.bottom);
|
||
|
|
}
|
||
|
|
|
||
|
|
void STDMETHODCALLTYPE CDXBaseARGBPtr::MoveToXY(ULONG x, ULONG y)
|
||
|
|
{
|
||
|
|
m_FillInfo.x = x + m_LockedRect.left;
|
||
|
|
m_FillInfo.y = y + m_LockedRect.top;
|
||
|
|
//--- Moving one column past the end is okay
|
||
|
|
_ASSERT((long)m_FillInfo.x <= m_LockedRect.right);
|
||
|
|
_ASSERT((long)m_FillInfo.y < m_LockedRect.bottom);
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG STDMETHODCALLTYPE CDXBaseARGBPtr::MoveAndGetRunInfo(ULONG Row, const DXRUNINFO ** ppInfo)
|
||
|
|
{
|
||
|
|
m_FillInfo.x = m_LockedRect.left;
|
||
|
|
m_FillInfo.y = Row + m_LockedRect.top;
|
||
|
|
_ASSERT((long)m_FillInfo.y < m_LockedRect.bottom);
|
||
|
|
*ppInfo = &m_RunInfo;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
DXSAMPLE *STDMETHODCALLTYPE CDXBaseARGBPtr::Unpack(DXSAMPLE *pSamples, ULONG cSamples, BOOL bMove)
|
||
|
|
{
|
||
|
|
m_FillInfo.pSamples = pSamples;
|
||
|
|
m_FillInfo.cSamples = cSamples;
|
||
|
|
m_FillInfo.bPremult = false;
|
||
|
|
FillSamples(m_FillInfo);
|
||
|
|
if (bMove) m_FillInfo.x += cSamples;
|
||
|
|
return pSamples;
|
||
|
|
}
|
||
|
|
|
||
|
|
DXPMSAMPLE *STDMETHODCALLTYPE CDXBaseARGBPtr::UnpackPremult(DXPMSAMPLE *pSamples, ULONG cSamples, BOOL bMove)
|
||
|
|
{
|
||
|
|
m_FillInfo.pSamples = pSamples;
|
||
|
|
m_FillInfo.cSamples = cSamples;
|
||
|
|
m_FillInfo.bPremult = true;
|
||
|
|
FillSamples(m_FillInfo);
|
||
|
|
if (bMove) m_FillInfo.x += cSamples;
|
||
|
|
return pSamples;
|
||
|
|
}
|
||
|
|
|
||
|
|
void STDMETHODCALLTYPE CDXBaseARGBPtr::UnpackRect(const DXPACKEDRECTDESC *pDesc)
|
||
|
|
{
|
||
|
|
DXPtrFillInfo FillInfo;
|
||
|
|
FillInfo.pSamples = pDesc->pSamples;
|
||
|
|
FillInfo.cSamples = pDesc->rect.right - pDesc->rect.left;
|
||
|
|
FillInfo.x = pDesc->rect.left + m_LockedRect.left;
|
||
|
|
FillInfo.bPremult = pDesc->bPremult;
|
||
|
|
ULONG YLimit = pDesc->rect.bottom + m_LockedRect.top;
|
||
|
|
for (FillInfo.y = pDesc->rect.top + m_LockedRect.top;
|
||
|
|
FillInfo.y < YLimit;
|
||
|
|
FillInfo.y++)
|
||
|
|
{
|
||
|
|
FillSamples(FillInfo);
|
||
|
|
FillInfo.pSamples += FillInfo.cSamples;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CDXBaseARGBPtr::InitFromLock(const RECT & rect, ULONG /*ulTimeOut*/, DWORD dwLockFlags, REFIID riid, void ** ppv)
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
if (dwLockFlags & DXLOCKF_READWRITE)
|
||
|
|
{
|
||
|
|
hr = E_INVALIDARG;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
m_LockedRect = rect;
|
||
|
|
m_RunInfo.Count = rect.right - rect.left;
|
||
|
|
if (m_pSurface->SampleFormatEnum() & DXPF_TRANSPARENCY)
|
||
|
|
{
|
||
|
|
m_RunInfo.Type = DXRUNTYPE_UNKNOWN;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
m_RunInfo.Type = DXRUNTYPE_OPAQUE;
|
||
|
|
}
|
||
|
|
m_FillInfo.x = rect.left;
|
||
|
|
m_FillInfo.y = rect.top;
|
||
|
|
hr = QueryInterface(riid, ppv);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
m_pSurface->GetControllingUnknown()->AddRef();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|