620 lines
17 KiB
C++
620 lines
17 KiB
C++
/*==========================================================================
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*
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* Copyright (C) 1999-2000 Microsoft Corporation. All Rights Reserved.
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*
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* File: cubesurf.cpp
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* Content: Implementation of the CCubeSurface class
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*
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*
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***************************************************************************/
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#include "ddrawpr.h"
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#include "cubesurf.hpp"
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// IUnknown methods
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::QueryInterface"
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STDMETHODIMP CCubeSurface::QueryInterface(REFIID riid,
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void **ppvObj)
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{
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API_ENTER(Device());
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if (!VALID_PTR_PTR(ppvObj))
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{
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DPF_ERR("Invalid ppvObj parameter for Surface of a Cube Texture");
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return D3DERR_INVALIDCALL;
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}
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if (!VALID_PTR(&riid, sizeof(GUID)))
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{
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DPF_ERR("Invalid guid memory address to QueryInterface for Surface of a Cube Texture");
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return D3DERR_INVALIDCALL;
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}
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if (riid == IID_IDirect3DSurface8 ||
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riid == IID_IUnknown)
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{
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*ppvObj = static_cast<void*>(static_cast<IDirect3DSurface8 *>(this));
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AddRef();
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return S_OK;
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}
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DPF_ERR("Unsupported Interface identifier passed to QueryInterface for Surface of a Cubemap");
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// Null out param
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*ppvObj = NULL;
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return E_NOINTERFACE;
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} // QueryInterface
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::AddRef"
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STDMETHODIMP_(ULONG) CCubeSurface::AddRef()
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{
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API_ENTER_NO_LOCK(Device());
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#ifdef DEBUG
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m_cRefDebug++;
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#endif // DEBUG
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return m_pParent->AddRefImpl();
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} // AddRef
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::Release"
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STDMETHODIMP_(ULONG) CCubeSurface::Release()
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{
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API_ENTER_SUBOBJECT_RELEASE(Device());
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#ifdef DEBUG
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m_cRefDebug--;
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if (m_cRefDebug & 0x80000000)
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{
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DPF_ERR("A level of a cube-map has been released more often than it has been add-ref'ed! Danger!!");
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}
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#endif // DEBUG
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return m_pParent->ReleaseImpl();
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} // Release
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// IBuffer methods
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::SetPrivateData"
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STDMETHODIMP CCubeSurface::SetPrivateData(REFGUID riid,
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CONST void *pvData,
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DWORD cbData,
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DWORD dwFlags)
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{
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API_ENTER(Device());
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return m_pParent->SetPrivateDataImpl(riid,
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pvData,
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cbData,
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dwFlags,
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CombinedFaceLevel());
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} // SetPrivateData
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::GetPrivateData"
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STDMETHODIMP CCubeSurface::GetPrivateData(REFGUID riid,
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void *pvData,
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DWORD *pcbData)
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{
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API_ENTER(Device());
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return m_pParent->GetPrivateDataImpl(riid,
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pvData,
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pcbData,
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CombinedFaceLevel());
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} // GetPrivateData
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::FreePrivateData"
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STDMETHODIMP CCubeSurface::FreePrivateData(REFGUID riid)
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{
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API_ENTER(Device());
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return m_pParent->FreePrivateDataImpl(riid,
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CombinedFaceLevel());
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} // FreePrivateData
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::GetContainer"
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STDMETHODIMP CCubeSurface::GetContainer(REFIID riid,
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void **ppContainer)
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{
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API_ENTER(Device());
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return m_pParent->QueryInterface(riid, ppContainer);
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} // OpenContainer
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::GetDevice"
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STDMETHODIMP CCubeSurface::GetDevice(IDirect3DDevice8 ** ppDevice)
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{
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API_ENTER(Device());
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return m_pParent->GetDevice(ppDevice);
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} // OpenDevice
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// IDirect3DSurface methods
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::GetDesc"
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STDMETHODIMP CCubeSurface::GetDesc(D3DSURFACE_DESC *pDesc)
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{
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API_ENTER(Device());
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// If parameters are bad, then we should fail some stuff
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if (!VALID_WRITEPTR(pDesc, sizeof(D3DSURFACE_DESC)))
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{
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DPF_ERR("bad pointer for pDesc passed to GetDesc for Surface of a Cubemap");
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return D3DERR_INVALIDCALL;
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}
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// The internal desc indicates the real
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// format and pool. We need to report
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// back the original data
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*pDesc = InternalGetDesc();
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pDesc->Pool = m_pParent->GetUserPool();
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pDesc->Format = m_pParent->GetUserFormat();
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pDesc->Usage &= D3DUSAGE_EXTERNAL;
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// We're done
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return S_OK;
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} // GetDesc
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::InternalGetDesc"
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D3DSURFACE_DESC CCubeSurface::InternalGetDesc() const
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{
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D3DSURFACE_DESC desc;
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// Start from the parent's desc
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desc = *m_pParent->Desc();
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// Width and height are the shifted from the parent
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desc.Width >>= m_iLevel;
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desc.Height >>= m_iLevel;
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if (desc.Width == 0)
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{
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desc.Width = 1;
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}
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if (desc.Height == 0)
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{
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desc.Height = 1;
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}
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// Modify the type
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desc.Type = D3DRTYPE_SURFACE;
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// Modify the size field
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desc.Size = CPixel::ComputeSurfaceSize(desc.Width,
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desc.Height,
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desc.Format);
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// We're done
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return desc;
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} // InternalGetDesc
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::LockRect"
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STDMETHODIMP CCubeSurface::LockRect(D3DLOCKED_RECT *pLockedRectData,
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CONST RECT *pRect,
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DWORD dwFlags)
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{
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API_ENTER(Device());
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// If parameters are bad, then we should fail some stuff
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if (!VALID_WRITEPTR(pLockedRectData, sizeof(D3DLOCKED_RECT)))
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{
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DPF_ERR("bad pointer for pLockedRectData passed to LockRect for Surface of a Cubemap");
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return D3DERR_INVALIDCALL;
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}
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// Zero out returned data
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ZeroMemory(pLockedRectData, sizeof(D3DLOCKED_RECT));
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// Validate Rect
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if (pRect != NULL)
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{
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DWORD Width = m_pParent->Desc()->Width >> m_iLevel;
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DWORD Height = m_pParent->Desc()->Height >> m_iLevel;
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if (!CPixel::IsValidRect(m_pParent->Desc()->Format,
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Width,
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Height,
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pRect))
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{
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DPF_ERR("LockRect for a level of a Cube Texture failed");
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return D3DERR_INVALIDCALL;
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}
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}
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if (dwFlags & ~D3DLOCK_SURF_VALID)
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{
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if (dwFlags & D3DLOCK_DISCARD)
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{
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if (dwFlags & D3DLOCK_READONLY)
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{
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DPF_ERR("D3DLOCK_READONLY is not allowed with D3DLOCK_DISCARD");
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return D3DERR_INVALIDCALL;
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}
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if (!(m_pParent->Desc()->Usage & D3DUSAGE_DYNAMIC))
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{
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DPF_ERR("D3DLOCK_DISCARD is allowed only with dynamic textures");
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return D3DERR_INVALIDCALL;
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}
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if (CombinedFaceLevel() > 0)
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{
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DPF_ERR("D3DLOCK_DISCARD is allowed only on D3DCUBEMAP_FACE_POSITIVE_X"
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" and the top mip level. DISCARD in this case will discard"
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" the entire cubemap.");
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return D3DERR_INVALIDCALL;
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}
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if (pRect != NULL)
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{
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DPF_ERR("Subrects not allowed with D3DLOCK_DISCARD");
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return D3DERR_INVALIDCALL;
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}
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}
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else
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{
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DPF_ERR("Invalid dwFlags parameter passed to LockRect for Surface of a Cubemap");
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DPF_EXPLAIN_BAD_LOCK_FLAGS(0, dwFlags & ~D3DLOCK_SURF_VALID);
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return D3DERR_INVALIDCALL;
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}
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}
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if (!m_isLockable)
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{
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m_pParent->ReportWhyLockFailed();
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return D3DERR_INVALIDCALL;
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}
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return InternalLockRect(pLockedRectData, pRect, dwFlags);
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} // LockRect
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::InternalLockRect"
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HRESULT CCubeSurface::InternalLockRect(D3DLOCKED_RECT *pLockedRectData,
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CONST RECT *pRect,
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DWORD dwFlags)
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{
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// Only one lock outstanding at a time is supported
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if (m_isLocked)
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{
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DPF_ERR("LockRect failed on a cube map level; surface was already locked.");
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return D3DERR_INVALIDCALL;
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}
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// Notify the parent/device if we are about to be modified
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if ( (m_pParent->GetUserPool() != D3DPOOL_SCRATCH) && (!(dwFlags & D3DLOCK_READONLY)) )
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{
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m_pParent->OnSurfaceLock(m_iFace, m_iLevel, pRect, dwFlags);
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}
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// Fill out the locked rect structure
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m_pParent->ComputeCubeMapOffset(m_iFace,
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m_iLevel,
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pRect,
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pLockedRectData);
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DXGASSERT(pLockedRectData->pBits != NULL);
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// Mark ourselves as locked
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m_isLocked = 1;
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// Done
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return S_OK;
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} // InternalLockRect
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::UnlockRect"
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STDMETHODIMP CCubeSurface::UnlockRect()
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{
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API_ENTER(Device());
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// If we aren't locked; then something is wrong
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if (m_isLocked == 0)
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{
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DPF_ERR("UnlockRect failed on a cube map level; surface wasn't locked.");
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return D3DERR_INVALIDCALL;
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}
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DXGASSERT(m_isLockable);
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return InternalUnlockRect();
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} // UnlockRect
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#undef DPF_MODNAME
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#define DPF_MODNAME "CCubeSurface::InternalUnlockRect"
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HRESULT CCubeSurface::InternalUnlockRect()
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{
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// Clear our locked state
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m_isLocked = 0;
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// If we are lock-once; then we mark ourselves as not lockable
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if (m_pParent->Desc()->Usage & D3DUSAGE_LOADONCE)
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{
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m_isLockable = FALSE;
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}
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// Done
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return S_OK;
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} // InternalUnlockRect
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//
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// CDriverCubeSurface class modifies the implementation
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// of the LockRect and UnlockRect methods of the CCubeSurface class
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//
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#undef DPF_MODNAME
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#define DPF_MODNAME "CDriverCubeSurface::LockRect"
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STDMETHODIMP CDriverCubeSurface::LockRect(D3DLOCKED_RECT *pLockedRectData,
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CONST RECT *pRect,
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DWORD dwFlags)
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{
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API_ENTER(Device());
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// If parameters are bad, then we should fail some stuff
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if (!VALID_WRITEPTR(pLockedRectData, sizeof(D3DLOCKED_RECT)))
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{
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DPF_ERR("bad pointer for m_pLockedRectData passed to LockRect for Surface of a driver-allocated Cubemap");
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return D3DERR_INVALIDCALL;
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}
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// Zero out returned data
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ZeroMemory(pLockedRectData, sizeof(D3DLOCKED_RECT));
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// Validate Rect
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if (pRect != NULL)
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{
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DWORD Width = m_pParent->Desc()->Width >> m_iLevel;
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DWORD Height = m_pParent->Desc()->Height >> m_iLevel;
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if (!CPixel::IsValidRect(m_pParent->Desc()->Format,
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Width,
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Height,
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pRect))
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{
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DPF_ERR("LockRect for a level of a Cube Texture failed");
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return D3DERR_INVALIDCALL;
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}
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}
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if (dwFlags & ~D3DLOCK_SURF_VALID)
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{
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if (dwFlags & D3DLOCK_DISCARD)
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{
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if (dwFlags & D3DLOCK_READONLY)
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{
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DPF_ERR("D3DLOCK_READONLY is not allowed with D3DLOCK_DISCARD");
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return D3DERR_INVALIDCALL;
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}
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if (!(m_pParent->Desc()->Usage & D3DUSAGE_DYNAMIC))
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{
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DPF_ERR("D3DLOCK_DISCARD is allowed only with dynamic textures");
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return D3DERR_INVALIDCALL;
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}
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if (CombinedFaceLevel() > 0)
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{
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DPF_ERR("D3DLOCK_DISCARD is allowed only on D3DCUBEMAP_FACE_POSITIVE_X"
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" and the top mip level. DISCARD in this case will discard"
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" the entire cubemap.");
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return D3DERR_INVALIDCALL;
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}
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if (pRect != NULL)
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{
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DPF_ERR("Subrects not allowed with D3DLOCK_DISCARD");
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return D3DERR_INVALIDCALL;
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}
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}
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else
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{
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DPF_ERR("Invalid dwFlags parameter passed to LockRect for a Surface of a driver allocated Cubemap");
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DPF_EXPLAIN_BAD_LOCK_FLAGS(0, dwFlags & ~D3DLOCK_SURF_VALID);
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return D3DERR_INVALIDCALL;
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}
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}
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if (!m_isLockable)
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{
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m_pParent->ReportWhyLockFailed();
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return D3DERR_INVALIDCALL;
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}
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return InternalLockRect(pLockedRectData, pRect, dwFlags);
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} // CDriverCubeSurface::LockRect
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#undef DPF_MODNAME
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#define DPF_MODNAME "CDriverCubeSurface::InternalLockRect"
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HRESULT CDriverCubeSurface::InternalLockRect(D3DLOCKED_RECT *pLockedRectData,
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CONST RECT *pRect,
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DWORD dwFlags)
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{
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// Only one lock outstanding at a time is supported
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if (m_isLocked)
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{
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DPF_ERR("LockRect failed on a Cube level; surface was already locked.");
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return D3DERR_INVALIDCALL;
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}
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// Notify the parent/device if we are about to be accessed.
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// Driver textures may be written to by HW through
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// SRT/DrawPrim as well as UpdateTexture. So we may need to sync
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// with the current command batch.
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m_pParent->OnSurfaceLock(m_iFace, m_iLevel, pRect, dwFlags);
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// Prepare a LockData structure for the HAL call
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D3D8_LOCKDATA lockData;
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ZeroMemory(&lockData, sizeof lockData);
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lockData.hDD = m_pParent->Device()->GetHandle();
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lockData.hSurface = m_hKernelHandle;
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lockData.dwFlags = dwFlags;
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if (pRect != NULL)
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{
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lockData.bHasRect = TRUE;
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lockData.rArea = *((RECTL *) pRect);
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}
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HRESULT hr = m_pParent->Device()->GetHalCallbacks()->Lock(&lockData);
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if (FAILED(hr))
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{
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DPF_ERR("Failed to lock driver cube-map surface");
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return hr;
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}
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// Fill in the Locked_Rect fields
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D3DFORMAT Format = m_pParent->Desc()->Format;
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if (CPixel::IsDXT(Format))
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{
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// Pitch is the number of bytes for
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// one row's worth of blocks for linear formats
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// Start with our width
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UINT Width = m_pParent->Desc()->Width >> m_iLevel;
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// Convert to blocks
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Width = Width / 4;
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// At least one block
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if (Width == 0)
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Width = 1;
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if (Format == D3DFMT_DXT1)
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{
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// 8 bytes per block for DXT1
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pLockedRectData->Pitch = Width * 8;
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}
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else
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{
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// 16 bytes per block for DXT2-5
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pLockedRectData->Pitch = Width * 16;
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}
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}
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else
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{
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pLockedRectData->Pitch = lockData.lPitch;
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}
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pLockedRectData->pBits = lockData.lpSurfData;
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#ifdef DEBUG
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if ((dwFlags & D3DLOCK_DISCARD))
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{
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DXGASSERT(m_iLevel == 0 && m_iFace == 0);
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if (!CPixel::IsFourCC(Format) &&
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!CPixel::IsIHVFormat(Format))
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{
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DXGASSERT(pRect == NULL);
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memset(pLockedRectData->pBits, 0xDD, pLockedRectData->Pitch * m_pParent->Desc()->Height);
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for (UINT j = 0; j < 6; ++j)
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{
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for (UINT i = 0; i < m_pParent->GetLevelCount(); ++i)
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{
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if (i != 0 || j != 0)
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{
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DXGASSERT(i != 0 || j != 0);
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D3DLOCKED_RECT Rect;
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HRESULT hr = m_pParent->LockRect((D3DCUBEMAP_FACES)j, i, &Rect, NULL, 0);
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if (FAILED(hr))
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{
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DPF(1, "Lock to cube mipsublevel failed. Not good.");
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break;
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}
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D3DSURFACE_DESC LevelDesc;
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m_pParent->GetLevelDesc(i, &LevelDesc);
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memset(Rect.pBits, 0xDD, Rect.Pitch * LevelDesc.Height);
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m_pParent->UnlockRect((D3DCUBEMAP_FACES)j, i);
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}
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}
|
|
}
|
|
}
|
|
}
|
|
#endif // DEBUG
|
|
|
|
// Mark ourselves as locked
|
|
m_isLocked = 1;
|
|
|
|
// Done
|
|
return S_OK;
|
|
} // CDriverCubeSurface::InternalLockRect
|
|
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "CDriverCubeSurface::UnlockRect"
|
|
|
|
STDMETHODIMP CDriverCubeSurface::UnlockRect()
|
|
{
|
|
API_ENTER(Device());
|
|
|
|
// If we aren't locked; then something is wrong
|
|
if (m_isLocked == 0)
|
|
{
|
|
DPF_ERR("UnlockRect failed on a driver-allocated Cube level; surface wasn't locked.");
|
|
return D3DERR_INVALIDCALL;
|
|
}
|
|
DXGASSERT(m_isLockable);
|
|
return InternalUnlockRect();
|
|
} // CDriverCubeSurface::UnlockRect
|
|
|
|
#undef DPF_MODNAME
|
|
#define DPF_MODNAME "CDriverCubeSurface::UnlockRect"
|
|
|
|
HRESULT CDriverCubeSurface::InternalUnlockRect()
|
|
{
|
|
|
|
// Call the driver to perform the unlock
|
|
D3D8_UNLOCKDATA unlockData = {
|
|
m_pParent->Device()->GetHandle(),
|
|
m_hKernelHandle
|
|
};
|
|
|
|
HRESULT hr = Device()->GetHalCallbacks()->Unlock(&unlockData);
|
|
if (FAILED(hr))
|
|
{
|
|
DPF_ERR("Driver cube-map surface failed to unlock");
|
|
return hr;
|
|
}
|
|
|
|
// Clear our locked state
|
|
m_isLocked = 0;
|
|
|
|
// If we are lock-once; then we mark ourselves as not lockable
|
|
if (m_pParent->Desc()->Usage & D3DUSAGE_LOADONCE)
|
|
{
|
|
m_isLockable = FALSE;
|
|
}
|
|
|
|
// Done
|
|
return S_OK;
|
|
} // CDriverCubeSurface::InternalUnlockRect
|
|
|
|
|
|
// End of file : cubesurf.cpp
|