mirror of
https://github.com/0ldsk00l/nestopia.git
synced 2025-04-02 10:31:51 -04:00
791 lines
15 KiB
C++
791 lines
15 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////
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//
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// Nestopia - NES/Famicom emulator written in C++
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//
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// Copyright (C) 2003-2008 Martin Freij
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//
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// This file is part of Nestopia.
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//
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// Nestopia 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 of the License, or
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// (at your option) any later version.
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//
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// Nestopia 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 Nestopia; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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////////////////////////////////////////////////////////////////////////////////////////
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#ifndef NST_DIRECTX_DIRECT2D_H
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#define NST_DIRECTX_DIRECT2D_H
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#pragma once
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#include <set>
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#include <vector>
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#include "NstWindowRect.hpp"
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#include "NstDirectX.hpp"
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#ifdef NST_DEBUG
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#define D3D_DEBUG_INFO
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#endif
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#include <d3d9.h>
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#include <d3dx9.h>
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namespace Nestopia
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{
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namespace DirectX
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{
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class Direct2D
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{
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public:
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explicit Direct2D(HWND);
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~Direct2D();
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typedef Window::Rect Rect;
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typedef Window::Point Point;
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enum
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{
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MAX_SCANLINES = 100
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};
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struct Mode
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{
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typedef std::set<uchar> Rates;
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explicit Mode(uint=0,uint=0,uint=0);
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enum
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{
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MIN_WIDTH = 256,
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MIN_HEIGHT = 240,
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DEFAULT_RATE = 60,
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MAX_RATE = 120
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};
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bool operator == (const Mode&) const;
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bool operator < (const Mode&) const;
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uint width, height, bpp;
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Rates rates;
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bool operator != (const Mode& mode) const
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{
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return !(*this == mode);
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}
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Point Size() const
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{
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return Point( width, height );
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}
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};
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struct Adapter : BaseAdapter
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{
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typedef std::set<Mode> Modes;
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enum DeviceType
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{
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DEVICE_HAL,
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DEVICE_HEL
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};
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enum Filter
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{
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FILTER_NONE,
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FILTER_BILINEAR
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};
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/** used to identify multiple monitors on the same video adapter */
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uint guidIndex;
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uint ordinal;
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DeviceType deviceType;
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Point maxScreenSize;
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bool videoMemScreen;
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bool anyTextureSize;
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bool canDoScanlineEffect;
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bool intervalTwo;
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bool intervalThree;
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bool intervalFour;
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bool modern;
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uint filters;
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Modes modes;
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};
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typedef std::vector<Adapter> Adapters;
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enum
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{
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RENDER_PICTURE = 0x01,
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RENDER_FPS = 0x04,
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RENDER_MSG = 0x08,
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RENDER_NFO = 0x10
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};
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void SelectAdapter(const Adapters::const_iterator);
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void RenderScreen(uint);
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bool CanSwitchFullscreen(const Adapter::Modes::const_iterator) const;
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bool SwitchFullscreen(const Adapter::Modes::const_iterator);
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bool SwitchWindowed();
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void UpdateWindowView();
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void UpdateWindowView(const Point&,const Rect&,uint,int,Adapter::Filter,bool);
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void UpdateFullscreenView(const Rect&,const Point&,const Rect&,uint,int,Adapter::Filter,bool);
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void UpdateFrameRate(uint,bool,bool);
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void EnableDialogBoxMode(bool);
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bool Repair();
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enum ScreenShotResult
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{
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SCREENSHOT_OK,
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SCREENSHOT_UNSUPPORTED,
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SCREENSHOT_ERROR
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};
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ScreenShotResult SaveScreenShot(wcstring,uint) const;
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private:
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enum
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{
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INVALID_RECT = MAKE_HRESULT(SEVERITY_ERROR,0x123,2),
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TSL_PATCHES = 32
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};
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void FlushObjects();
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void InvalidateObjects();
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void ValidateObjects();
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class Base
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{
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public:
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Base();
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~Base();
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inline operator IDirect3D9& () const;
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static uint FormatToBpp(D3DFORMAT);
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static void FormatToMask(D3DFORMAT,ulong&,ulong&,ulong&);
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private:
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static IDirect3D9& Create();
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static const Adapters EnumerateAdapters(IDirect3D9&);
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IDirect3D9& com;
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const Adapters adapters;
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public:
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const Adapters& GetAdapters() const
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{
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return adapters;
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}
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const Adapter& GetAdapter(uint i) const
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{
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NST_ASSERT( i < adapters.size() );
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return adapters[i];
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}
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};
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class Device
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{
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public:
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Device(HWND,const Base&);
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void Create(IDirect3D9&,const Adapter&);
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bool CanSwitchFullscreen(const Mode&) const;
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bool CanToggleDialogBoxMode(bool) const;
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bool ResetFrameRate(uint,bool,bool,const Base&);
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uint GetMaxMessageLength() const;
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void SwitchFullscreen(const Mode&);
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void SwitchWindowed();
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NST_SINGLE_CALL HRESULT RenderScreen(uint,uint,uint) const;
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HRESULT ResetWindowClient(const Point&,HRESULT);
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HRESULT ToggleDialogBoxMode();
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HRESULT Repair(HRESULT);
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HRESULT Reset();
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inline operator IDirect3DDevice9& () const;
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private:
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void Prepare() const;
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void LogDisplaySwitch() const;
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uint GetRefreshRate() const;
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DWORD GetPresentationFlags() const;
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D3DSWAPEFFECT GetSwapEffect() const;
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uint GetDesiredPresentationRate(const Mode&) const;
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DWORD GetDesiredPresentationInterval(uint) const;
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DWORD GetDesiredPresentationInterval() const;
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bool GetDisplayMode(D3DDISPLAYMODE&) const;
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struct Timing
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{
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Timing();
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bool autoHz;
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bool vsync;
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bool tripleBuffering;
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uchar frameRate;
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};
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class Fonts
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{
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public:
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Fonts();
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void Create(const Device&);
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void Destroy(bool);
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void OnReset() const;
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void OnLost() const;
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NST_SINGLE_CALL void Render(const D3DPRESENT_PARAMETERS&,uint) const;
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private:
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class Font
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{
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public:
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void Create(const Device&);
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void Destroy();
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void Update(const GenericString&);
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uint Width() const;
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void OnReset() const;
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void OnLost() const;
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inline bool CanDraw() const;
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inline void Draw(D3DCOLOR,DWORD,Rect) const;
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private:
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ComInterface<ID3DXFont> com;
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HeapString string;
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uint length;
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public:
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void Clear()
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{
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length = 0;
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}
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};
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Font fps;
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Font msg;
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Font nfo;
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uint width;
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public:
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void UpdateFps(const GenericString& string)
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{
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fps.Update( string );
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}
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void ClearFps()
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{
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fps.Clear();
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}
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void UpdateMsg(const GenericString& string)
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{
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msg.Update( string );
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}
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void ClearMsg()
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{
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msg.Clear();
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}
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void UpdateNfo(const GenericString& string)
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{
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nfo.Update( string );
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}
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void ClearNfo()
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{
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nfo.Clear();
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}
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uint Width() const
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{
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return width;
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}
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};
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ComInterface<IDirect3DDevice9> com;
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Timing timing;
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Fonts fonts;
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uchar ordinal;
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uchar intervalTwo;
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uchar intervalThree;
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uchar intervalFour;
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D3DPRESENT_PARAMETERS presentation;
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bool dialogBoxMode;
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public:
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uint GetOrdinal() const
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{
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return ordinal;
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}
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HRESULT ClearScreen() const
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{
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return com->Clear( 0, NULL, D3DCLEAR_TARGET, 0, 1.f, 0 );
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}
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HRESULT PresentScreen() const
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{
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return com->Present( NULL, NULL, NULL, NULL );
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}
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const D3DPRESENT_PARAMETERS& GetPresentation() const
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{
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return presentation;
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}
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void DrawFps(const GenericString& string)
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{
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fonts.UpdateFps( string );
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}
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void ClearFps()
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{
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fonts.ClearFps();
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}
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void DrawMsg(const GenericString& string)
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{
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fonts.UpdateMsg( string );
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}
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void ClearMsg()
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{
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fonts.ClearMsg();
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}
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void DrawNfo(const GenericString& string)
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{
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fonts.UpdateNfo( string );
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}
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void ClearNfo()
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{
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fonts.ClearNfo();
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}
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void EnableAutoFrequency(bool enable)
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{
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timing.autoHz = enable;
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}
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bool ThrottleRequired(uint speed) const
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{
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return
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(
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presentation.PresentationInterval == D3DPRESENT_INTERVAL_IMMEDIATE ||
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speed != timing.frameRate
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);
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}
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bool SmoothFrameRate() const
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{
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return presentation.PresentationInterval != D3DPRESENT_INTERVAL_IMMEDIATE;
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}
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};
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class Textures
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{
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public:
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explicit Textures(D3DFORMAT);
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void Update(const Adapter&,const Point&,uint,Adapter::Filter,bool);
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HRESULT Validate(IDirect3DDevice9&,const Adapter&,D3DFORMAT);
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void Invalidate();
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void Flush();
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bool SaveToFile(wcstring,D3DXIMAGE_FILEFORMAT) const;
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inline double GetScreenLeftU(uint) const;
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inline double GetScreenRightU(uint) const;
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inline double GetScreenTopV(uint) const;
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inline double GetScreenBottomV(uint) const;
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inline double GetEffectLeftU(uint) const;
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inline double GetEffectRightU(uint) const;
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inline double GetEffectTopV(uint) const;
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inline double GetEffectBottomV(uint) const;
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private:
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class Texture : public ImplicitBool<Texture>
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{
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public:
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void Invalidate();
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protected:
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explicit Texture(uint,D3DFORMAT);
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~Texture();
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bool Validate(IDirect3DDevice9&,D3DFORMAT,bool);
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static uint GetSquared(const Point&);
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ComInterface<IDirect3DTexture9> com;
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Object::Pod<D3DSURFACE_DESC> desc;
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Point size;
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const uint stage;
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public:
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bool operator ! () const
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{
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return !com;
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}
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void GetBitMask(ulong& r,ulong& g,ulong& b) const
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{
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Base::FormatToMask( desc.Format, r, g, b );
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}
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uint GetBitsPerPixel() const
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{
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return Base::FormatToBpp( desc.Format );
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}
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NST_FORCE_INLINE HRESULT Lock(D3DLOCKED_RECT& lockedRect) const
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{
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const RECT rect = {0,0,size.x,size.y};
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if (com)
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{
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return com->LockRect
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(
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0,
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&lockedRect,
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(desc.Usage & D3DUSAGE_DYNAMIC) ? NULL : &rect,
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(desc.Usage & D3DUSAGE_DYNAMIC) ? (D3DLOCK_DISCARD|D3DLOCK_NOSYSLOCK) : D3DLOCK_NOSYSLOCK
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);
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}
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else
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{
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return D3DERR_DEVICELOST;
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}
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}
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NST_FORCE_INLINE void Unlock() const
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{
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com->UnlockRect( 0 );
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}
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};
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class ScreenTexture : public Texture
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{
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public:
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explicit ScreenTexture(D3DFORMAT);
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void Update(const Adapter&,Point,bool);
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void Flush();
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bool Validate(IDirect3DDevice9&,D3DFORMAT,const Adapter&);
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bool SaveToFile(wcstring,D3DXIMAGE_FILEFORMAT) const;
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inline double GetLeftU(uint) const;
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inline double GetRightU(uint) const;
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inline double GetTopV(uint) const;
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inline double GetBottomV(uint) const;
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private:
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bool useVidMem;
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};
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class EffectTexture : public Texture
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{
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public:
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explicit EffectTexture(D3DFORMAT);
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void Update(const Adapter&,Point,uint);
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bool Validate(IDirect3DDevice9&,D3DFORMAT);
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inline double GetLeftU(uint) const;
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inline double GetRightU(uint) const;
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inline double GetTopV(uint) const;
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inline double GetBottomV(uint) const;
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private:
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uint scanlines;
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bool dirty;
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};
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ScreenTexture screenTexture;
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EffectTexture effectTexture;
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Adapter::Filter filter;
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public:
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NST_FORCE_INLINE HRESULT LockScreen(void*& data,long& pitch) const
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{
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D3DLOCKED_RECT lockedRect;
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const HRESULT hResult = screenTexture.Lock( lockedRect );
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if (SUCCEEDED(hResult))
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{
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data = lockedRect.pBits;
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pitch = lockedRect.Pitch;
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}
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return hResult;
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}
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NST_FORCE_INLINE void UnlockScreen() const
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{
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screenTexture.Unlock();
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}
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void GetScreenBitMask(ulong& r,ulong& g,ulong& b) const
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{
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screenTexture.GetBitMask( r, g, b );
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}
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uint GetScreenBitsPerPixel() const
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{
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return screenTexture.GetBitsPerPixel();
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}
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};
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class VertexBuffer
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{
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public:
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VertexBuffer();
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~VertexBuffer();
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void Update(const Rect&,const Rect&,int);
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HRESULT Validate(IDirect3DDevice9&,const Textures&);
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void Invalidate();
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inline uint NumVertices() const;
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private:
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enum
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{
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FVF = D3DFVF_XYZRHW|D3DFVF_TEX2
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};
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#pragma pack(push,1)
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struct Vertex
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{
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float x,y,z,rhw,u0,v0,u1,v1;
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};
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#pragma pack(pop)
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NST_COMPILE_ASSERT( sizeof(Vertex) == 32 );
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ComInterface<IDirect3DVertexBuffer9> com;
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Rect rect;
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Rect clip;
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uint numVertices;
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int screenCurvature;
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bool dirty;
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public:
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const Rect& GetRect() const
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{
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return rect;
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}
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};
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class IndexBuffer
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{
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public:
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IndexBuffer();
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~IndexBuffer();
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void Update(bool);
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HRESULT Validate(IDirect3DDevice9&);
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void Invalidate();
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inline uint NumStrips() const;
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private:
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ComInterface<IDirect3DIndexBuffer9> com;
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uint numStrips;
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};
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Base base;
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Device device;
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Textures textures;
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VertexBuffer vertexBuffer;
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IndexBuffer indexBuffer;
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HRESULT lastResult;
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public:
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bool ValidScreen() const
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{
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return SUCCEEDED(lastResult);
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}
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bool Windowed() const
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{
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return device.GetPresentation().Windowed;
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}
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bool ThrottleRequired(uint speed) const
|
|
{
|
|
return device.ThrottleRequired( speed ) || FAILED(lastResult);
|
|
}
|
|
|
|
const Adapters& GetAdapters() const
|
|
{
|
|
return base.GetAdapters();
|
|
}
|
|
|
|
const Adapter& GetAdapter() const
|
|
{
|
|
return base.GetAdapter( device.GetOrdinal() );
|
|
}
|
|
|
|
uint GetBitsPerPixel() const
|
|
{
|
|
return textures.GetScreenBitsPerPixel();
|
|
}
|
|
|
|
void GetBitMask(ulong& r,ulong& g,ulong& b) const
|
|
{
|
|
textures.GetScreenBitMask( r, g, b );
|
|
}
|
|
|
|
const Rect& GetScreenRect() const
|
|
{
|
|
return vertexBuffer.GetRect();
|
|
}
|
|
|
|
NST_FORCE_INLINE bool LockScreen(void*& data,long& pitch)
|
|
{
|
|
if (SUCCEEDED(lastResult))
|
|
lastResult = textures.LockScreen( data, pitch );
|
|
|
|
return SUCCEEDED(lastResult);
|
|
}
|
|
|
|
NST_FORCE_INLINE void UnlockScreen() const
|
|
{
|
|
NST_VERIFY( SUCCEEDED(lastResult) );
|
|
textures.UnlockScreen();
|
|
}
|
|
|
|
bool ClearScreen()
|
|
{
|
|
if (SUCCEEDED(lastResult))
|
|
{
|
|
lastResult = device.ClearScreen();
|
|
return SUCCEEDED(lastResult);
|
|
}
|
|
else
|
|
{
|
|
return lastResult == INVALID_RECT;
|
|
}
|
|
}
|
|
|
|
bool PresentScreen()
|
|
{
|
|
if (SUCCEEDED(lastResult))
|
|
{
|
|
lastResult = device.PresentScreen();
|
|
return SUCCEEDED(lastResult);
|
|
}
|
|
else
|
|
{
|
|
return lastResult == INVALID_RECT;
|
|
}
|
|
}
|
|
|
|
void DrawFps(const GenericString& string)
|
|
{
|
|
device.DrawFps( string );
|
|
}
|
|
|
|
void ClearFps()
|
|
{
|
|
device.ClearFps();
|
|
}
|
|
|
|
void DrawMsg(const GenericString& string)
|
|
{
|
|
device.DrawMsg( string );
|
|
}
|
|
|
|
void ClearMsg()
|
|
{
|
|
device.ClearMsg();
|
|
}
|
|
|
|
void DrawNfo(const GenericString& string)
|
|
{
|
|
device.DrawNfo( string );
|
|
}
|
|
|
|
void ClearNfo()
|
|
{
|
|
device.ClearNfo();
|
|
}
|
|
|
|
void EnableAutoFrequency(bool enable)
|
|
{
|
|
device.EnableAutoFrequency( enable );
|
|
}
|
|
|
|
uint GetMaxMessageLength() const
|
|
{
|
|
return device.GetMaxMessageLength();
|
|
}
|
|
|
|
const Point GetFullscreenDisplayMode() const
|
|
{
|
|
return Point( device.GetPresentation().BackBufferWidth, device.GetPresentation().BackBufferHeight );
|
|
}
|
|
|
|
bool ModernGPU() const
|
|
{
|
|
return base.GetAdapters()[device.GetOrdinal()].modern;
|
|
}
|
|
|
|
bool SmoothFrameRate() const
|
|
{
|
|
return device.SmoothFrameRate();
|
|
}
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif
|