mirror of https://github.com/odrling/Aegisub
362 lines
8.9 KiB
C++
362 lines
8.9 KiB
C++
/*
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* Copyright (C) 2003-2006 Gabest
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* http://www.gabest.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#include "stdafx.h"
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#include <d3d9.h>
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#include <Vmr9.h>
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#include "DX9SubPic.h"
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//
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// CDX9SubPic
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//
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CDX9SubPic::CDX9SubPic(IDirect3DSurface9* pSurface)
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: m_pSurface(pSurface)
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{
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D3DSURFACE_DESC d3dsd;
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ZeroMemory(&d3dsd, sizeof(d3dsd));
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if(SUCCEEDED(m_pSurface->GetDesc(&d3dsd)))
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{
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m_maxsize.SetSize(d3dsd.Width, d3dsd.Height);
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m_rcDirty.SetRect(0, 0, d3dsd.Width, d3dsd.Height);
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}
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}
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// ISubPic
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STDMETHODIMP_(void*) CDX9SubPic::GetObject()
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{
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CComPtr<IDirect3DTexture9> pTexture;
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if(SUCCEEDED(m_pSurface->GetContainer(IID_IDirect3DTexture9, (void**)&pTexture)))
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return (void*)(IDirect3DTexture9*)pTexture;
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return NULL;
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}
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STDMETHODIMP CDX9SubPic::GetDesc(SubPicDesc& spd)
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{
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D3DSURFACE_DESC d3dsd;
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ZeroMemory(&d3dsd, sizeof(d3dsd));
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if(FAILED(m_pSurface->GetDesc(&d3dsd)))
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return E_FAIL;
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spd.type = 0;
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spd.w = m_size.cx;
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spd.h = m_size.cy;
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spd.bpp =
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d3dsd.Format == D3DFMT_A8R8G8B8 ? 32 :
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d3dsd.Format == D3DFMT_A4R4G4B4 ? 16 : 0;
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spd.pitch = 0;
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spd.bits = NULL;
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spd.vidrect = m_vidrect;
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return S_OK;
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}
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STDMETHODIMP CDX9SubPic::CopyTo(ISubPic* pSubPic)
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{
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HRESULT hr;
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if(FAILED(hr = __super::CopyTo(pSubPic)))
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return hr;
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if(m_rcDirty.IsRectEmpty())
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return S_FALSE;
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CComPtr<IDirect3DDevice9> pD3DDev;
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if(!m_pSurface || FAILED(m_pSurface->GetDevice(&pD3DDev)) || !pD3DDev)
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return E_FAIL;
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hr = pD3DDev->UpdateTexture((IDirect3DTexture9*)GetObject(), (IDirect3DTexture9*)pSubPic->GetObject());
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return SUCCEEDED(hr) ? S_OK : E_FAIL;
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}
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STDMETHODIMP CDX9SubPic::ClearDirtyRect(DWORD color)
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{
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if(m_rcDirty.IsRectEmpty())
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return S_FALSE;
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CComPtr<IDirect3DDevice9> pD3DDev;
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if(!m_pSurface || FAILED(m_pSurface->GetDevice(&pD3DDev)) || !pD3DDev)
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return E_FAIL;
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SubPicDesc spd;
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if(SUCCEEDED(Lock(spd)))
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{
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int h = m_rcDirty.Height();
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BYTE* ptr = (BYTE*)spd.bits + spd.pitch*m_rcDirty.top + (m_rcDirty.left*spd.bpp>>3);
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if(spd.bpp == 16)
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{
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while(h-- > 0)
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{
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WORD* start = (WORD*)ptr;
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WORD* end = start + m_rcDirty.Width();
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while(start < end) *start++ = (WORD)color;
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ptr += spd.pitch;
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}
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}
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else if(spd.bpp == 32)
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{
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while(h-- > 0)
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{
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DWORD* start = (DWORD*)ptr;
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DWORD* end = start + m_rcDirty.Width();
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while(start < end) *start++ = color;
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ptr += spd.pitch;
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}
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}
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/*
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DWORD* ptr = (DWORD*)bm.bits;
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DWORD* end = ptr + bm.h*bm.wBytes/4;
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while(ptr < end) *ptr++ = color;
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*/
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Unlock(NULL);
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}
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// HRESULT hr = pD3DDev->ColorFill(m_pSurface, m_rcDirty, color);
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m_rcDirty.SetRectEmpty();
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return S_OK;
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}
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STDMETHODIMP CDX9SubPic::Lock(SubPicDesc& spd)
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{
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D3DSURFACE_DESC d3dsd;
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ZeroMemory(&d3dsd, sizeof(d3dsd));
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if(FAILED(m_pSurface->GetDesc(&d3dsd)))
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return E_FAIL;
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D3DLOCKED_RECT LockedRect;
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ZeroMemory(&LockedRect, sizeof(LockedRect));
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if(FAILED(m_pSurface->LockRect(&LockedRect, NULL, 0)))
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return E_FAIL;
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spd.type = 0;
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spd.w = m_size.cx;
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spd.h = m_size.cy;
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spd.bpp =
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d3dsd.Format == D3DFMT_A8R8G8B8 ? 32 :
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d3dsd.Format == D3DFMT_A4R4G4B4 ? 16 : 0;
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spd.pitch = LockedRect.Pitch;
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spd.bits = LockedRect.pBits;
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spd.vidrect = m_vidrect;
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return S_OK;
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}
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STDMETHODIMP CDX9SubPic::Unlock(RECT* pDirtyRect)
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{
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m_pSurface->UnlockRect();
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if(pDirtyRect)
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{
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m_rcDirty = *pDirtyRect;
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m_rcDirty.InflateRect(1, 1);
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m_rcDirty.left &= ~127;
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m_rcDirty.top &= ~63;
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m_rcDirty.right = (m_rcDirty.right + 127) & ~127;
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m_rcDirty.bottom = (m_rcDirty.bottom + 63) & ~63;
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m_rcDirty &= CRect(CPoint(0, 0), m_size);
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}
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else
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{
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m_rcDirty = CRect(CPoint(0, 0), m_size);
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}
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return S_OK;
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}
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STDMETHODIMP CDX9SubPic::AlphaBlt(RECT* pSrc, RECT* pDst, SubPicDesc* pTarget)
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{
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ASSERT(pTarget == NULL);
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if(!pSrc || !pDst)
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return E_POINTER;
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CRect src(*pSrc), dst(*pDst);
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CComPtr<IDirect3DDevice9> pD3DDev;
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CComPtr<IDirect3DTexture9> pTexture = (IDirect3DTexture9*)GetObject();
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if(!pTexture || FAILED(pTexture->GetDevice(&pD3DDev)) || !pD3DDev)
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return E_NOINTERFACE;
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HRESULT hr;
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do
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{
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D3DSURFACE_DESC d3dsd;
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ZeroMemory(&d3dsd, sizeof(d3dsd));
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if(FAILED(pTexture->GetLevelDesc(0, &d3dsd)) /*|| d3dsd.Type != D3DRTYPE_TEXTURE*/)
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break;
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float w = (float)d3dsd.Width;
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float h = (float)d3dsd.Height;
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struct
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{
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float x, y, z, rhw;
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float tu, tv;
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}
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pVertices[] =
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{
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{(float)dst.left, (float)dst.top, 0.5f, 2.0f, (float)src.left / w, (float)src.top / h},
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{(float)dst.right, (float)dst.top, 0.5f, 2.0f, (float)src.right / w, (float)src.top / h},
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{(float)dst.left, (float)dst.bottom, 0.5f, 2.0f, (float)src.left / w, (float)src.bottom / h},
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{(float)dst.right, (float)dst.bottom, 0.5f, 2.0f, (float)src.right / w, (float)src.bottom / h},
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};
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/*
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for(int i = 0; i < countof(pVertices); i++)
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{
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pVertices[i].x -= 0.5;
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pVertices[i].y -= 0.5;
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}
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*/
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hr = pD3DDev->SetTexture(0, pTexture);
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DWORD abe, sb, db;
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hr = pD3DDev->GetRenderState(D3DRS_ALPHABLENDENABLE, &abe);
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hr = pD3DDev->GetRenderState(D3DRS_SRCBLEND, &sb);
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hr = pD3DDev->GetRenderState(D3DRS_DESTBLEND, &db);
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hr = pD3DDev->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
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hr = pD3DDev->SetRenderState(D3DRS_LIGHTING, FALSE);
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hr = pD3DDev->SetRenderState(D3DRS_ZENABLE, FALSE);
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hr = pD3DDev->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
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hr = pD3DDev->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE); // pre-multiplied src and ...
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hr = pD3DDev->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_SRCALPHA); // ... inverse alpha channel for dst
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hr = pD3DDev->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
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hr = pD3DDev->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
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hr = pD3DDev->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
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hr = pD3DDev->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
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hr = pD3DDev->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
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hr = pD3DDev->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_LINEAR);
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hr = pD3DDev->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
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hr = pD3DDev->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
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/*//
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D3DCAPS9 d3dcaps9;
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hr = pD3DDev->GetDeviceCaps(&d3dcaps9);
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if(d3dcaps9.AlphaCmpCaps & D3DPCMPCAPS_LESS)
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{
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hr = pD3DDev->SetRenderState(D3DRS_ALPHAREF, (DWORD)0x000000FE);
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hr = pD3DDev->SetRenderState(D3DRS_ALPHATESTENABLE, TRUE);
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hr = pD3DDev->SetRenderState(D3DRS_ALPHAFUNC, D3DPCMPCAPS_LESS);
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}
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*///
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hr = pD3DDev->SetPixelShader(NULL);
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if(FAILED(hr = pD3DDev->BeginScene()))
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break;
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hr = pD3DDev->SetFVF(D3DFVF_XYZRHW | D3DFVF_TEX1);
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hr = pD3DDev->DrawPrimitiveUP(D3DPT_TRIANGLESTRIP, 2, pVertices, sizeof(pVertices[0]));
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hr = pD3DDev->EndScene();
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//
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pD3DDev->SetTexture(0, NULL);
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pD3DDev->SetRenderState(D3DRS_ALPHABLENDENABLE, abe);
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pD3DDev->SetRenderState(D3DRS_SRCBLEND, sb);
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pD3DDev->SetRenderState(D3DRS_DESTBLEND, db);
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return S_OK;
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}
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while(0);
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return E_FAIL;
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}
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//
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// CDX9SubPicAllocator
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//
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CDX9SubPicAllocator::CDX9SubPicAllocator(IDirect3DDevice9* pD3DDev, SIZE maxsize, bool fPow2Textures)
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: ISubPicAllocatorImpl(maxsize, true, fPow2Textures)
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, m_pD3DDev(pD3DDev)
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, m_maxsize(maxsize)
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{
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m_pD3DDev = pD3DDev;
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m_maxsize = maxsize;
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}
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// ISubPicAllocator
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STDMETHODIMP CDX9SubPicAllocator::ChangeDevice(IUnknown* pDev)
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{
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CComQIPtr<IDirect3DDevice9> pD3DDev = pDev;
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if(!pD3DDev) return E_NOINTERFACE;
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CAutoLock cAutoLock(this);
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m_pD3DDev = pD3DDev;
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return __super::ChangeDevice(pDev);
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}
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// ISubPicAllocatorImpl
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bool CDX9SubPicAllocator::Alloc(bool fStatic, ISubPic** ppSubPic)
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{
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if(!ppSubPic)
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return(false);
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CAutoLock cAutoLock(this);
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*ppSubPic = NULL;
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CComPtr<IDirect3DSurface9> pSurface;
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int Width = m_maxsize.cx;
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int Height = m_maxsize.cy;
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if(m_fPow2Textures)
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{
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Width = Height = 1;
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while(Width < m_maxsize.cx) Width <<= 1;
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while(Height < m_maxsize.cy) Height <<= 1;
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}
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CComPtr<IDirect3DTexture9> pTexture;
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if(FAILED(m_pD3DDev->CreateTexture(Width, Height, 1, 0, D3DFMT_A8R8G8B8, fStatic?D3DPOOL_SYSTEMMEM:D3DPOOL_DEFAULT, &pTexture, NULL)))
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return(false);
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if(FAILED(pTexture->GetSurfaceLevel(0, &pSurface)))
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return(false);
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if(!(*ppSubPic = new CDX9SubPic(pSurface)))
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return(false);
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(*ppSubPic)->AddRef();
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return(true);
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}
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