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OgreD3D9RenderWindow.cpp @ 11

Last change on this file since 11 was 5, checked in by anonymous, 17 years ago
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1	/*
2	-----------------------------------------------------------------------------
3	This source file is part of OGRE
4	(Object-oriented Graphics Rendering Engine)
5	For the latest info, see http://www.ogre3d.org/
6
7	Copyright (c) 2000-2006 Torus Knot Software Ltd
8	Also see acknowledgements in Readme.html
9
10	This program is free software; you can redistribute it and/or modify it under
11	the terms of the GNU Lesser General Public License as published by the Free Software
12	Foundation; either version 2 of the License, or (at your option) any later
13	version.
14
15	This program is distributed in the hope that it will be useful, but WITHOUT
16	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17	FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19	You should have received a copy of the GNU Lesser General Public License along with
20	this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21	Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22	http://www.gnu.org/copyleft/lesser.txt.
23
24	You may alternatively use this source under the terms of a specific version of
25	the OGRE Unrestricted License provided you have obtained such a license from
26	Torus Knot Software Ltd.
27	-----------------------------------------------------------------------------
28	*/
29	#include "OgreD3D9RenderWindow.h"
30	#include "OgreLogManager.h"
31	#include "OgreViewport.h"
32	#include "OgreException.h"
33	#include "OgreD3D9RenderSystem.h"
34	#include "OgreRenderSystem.h"
35	#include "OgreBitwise.h"
36	#include "OgreImageCodec.h"
37	#include "OgreStringConverter.h"
38
39	#include "OgreNoMemoryMacros.h"
40	#include <d3d9.h>
41	#include "OgreMemoryMacros.h"
42	#include "OgreRoot.h"
43	#include "OgreWindowEventUtilities.h"
44
45	namespace Ogre
46	{
47	D3D9RenderWindow::D3D9RenderWindow(HINSTANCE instance, D3D9Driver *driver, LPDIRECT3DDEVICE9 deviceIfSwapChain)
48	: mInstance(instance)
49	, mDriver(driver)
50	, mpRenderSurface(0)
51	{
52	mIsFullScreen = false;
53	mIsSwapChain = (deviceIfSwapChain != NULL);
54	mIsExternal = false;
55	mHWnd = 0;
56	mActive = false;
57	mSizing = false;
58	mClosed = false;
59	mSwitchingFullscreen = false;
60	mDisplayFrequency = 0;
61	}
62
63	D3D9RenderWindow::~D3D9RenderWindow()
64	{
65	destroy();
66	}
67
68	bool D3D9RenderWindow::_checkMultiSampleQuality(D3DMULTISAMPLE_TYPE type, DWORD *outQuality, D3DFORMAT format, UINT adapterNum, D3DDEVTYPE deviceType, BOOL fullScreen)
69	{
70	LPDIRECT3D9 pD3D = mDriver->getD3D();
71
72	if (SUCCEEDED(pD3D->CheckDeviceMultiSampleType(
73	adapterNum,
74	deviceType, format,
75	fullScreen, type, outQuality)))
76	return true;
77	else
78	return false;
79	}
80
81	void D3D9RenderWindow::create(const String& name, unsigned int width, unsigned int height,
82	bool fullScreen, const NameValuePairList *miscParams)
83	{
84	HINSTANCE hInst = mInstance;
85	D3D9Driver* driver = mDriver;
86
87	HWND parentHWnd = 0;
88	HWND externalHandle = 0;
89	mFSAAType = D3DMULTISAMPLE_NONE;
90	mFSAAQuality = 0;
91	mVSync = false;
92	String title = name;
93	unsigned int colourDepth = 32;
94	int left = -1; // Defaults to screen center
95	int top = -1; // Defaults to screen center
96	bool depthBuffer = true;
97	String border = "";
98	bool outerSize = false;
99	mUseNVPerfHUD = false;
100
101	if(miscParams)
102	{
103	// Get variable-length params
104	NameValuePairList::const_iterator opt;
105	// left (x)
106	opt = miscParams->find("left");
107	if(opt != miscParams->end())
108	left = StringConverter::parseInt(opt->second);
109	// top (y)
110	opt = miscParams->find("top");
111	if(opt != miscParams->end())
112	top = StringConverter::parseInt(opt->second);
113	// Window title
114	opt = miscParams->find("title");
115	if(opt != miscParams->end())
116	title = opt->second;
117	// parentWindowHandle -> parentHWnd
118	opt = miscParams->find("parentWindowHandle");
119	if(opt != miscParams->end())
120	parentHWnd = (HWND)StringConverter::parseUnsignedInt(opt->second);
121	// externalWindowHandle -> externalHandle
122	opt = miscParams->find("externalWindowHandle");
123	if(opt != miscParams->end())
124	externalHandle = (HWND)StringConverter::parseUnsignedInt(opt->second);
125	// vsync [parseBool]
126	opt = miscParams->find("vsync");
127	if(opt != miscParams->end())
128	mVSync = StringConverter::parseBool(opt->second);
129	// displayFrequency
130	opt = miscParams->find("displayFrequency");
131	if(opt != miscParams->end())
132	mDisplayFrequency = StringConverter::parseUnsignedInt(opt->second);
133	// colourDepth
134	opt = miscParams->find("colourDepth");
135	if(opt != miscParams->end())
136	colourDepth = StringConverter::parseUnsignedInt(opt->second);
137	// depthBuffer [parseBool]
138	opt = miscParams->find("depthBuffer");
139	if(opt != miscParams->end())
140	depthBuffer = StringConverter::parseBool(opt->second);
141	// FSAA type
142	opt = miscParams->find("FSAA");
143	if(opt != miscParams->end())
144	mFSAAType = (D3DMULTISAMPLE_TYPE)StringConverter::parseUnsignedInt(opt->second);
145	// FSAA quality
146	opt = miscParams->find("FSAAQuality");
147	if(opt != miscParams->end())
148	mFSAAQuality = StringConverter::parseUnsignedInt(opt->second);
149	// window border style
150	opt = miscParams->find("border");
151	if(opt != miscParams->end())
152	border = opt->second;
153	// set outer dimensions?
154	opt = miscParams->find("outerDimensions");
155	if(opt != miscParams->end())
156	outerSize = StringConverter::parseBool(opt->second);
157	// NV perf HUD?
158	opt = miscParams->find("useNVPerfHUD");
159	if(opt != miscParams->end())
160	mUseNVPerfHUD = StringConverter::parseBool(opt->second);
161
162	}
163
164	// Destroy current window if any
165	if( mHWnd )
166	destroy();
167
168	if (!externalHandle)
169	{
170	DWORD dwStyle = WS_VISIBLE \| WS_CLIPCHILDREN;
171	RECT rc;
172
173	mWidth = width;
174	mHeight = height;
175	mTop = top;
176	mLeft = left;
177
178	if (!fullScreen)
179	{
180	if (parentHWnd)
181	{
182	dwStyle \|= WS_CHILD;
183	}
184	else
185	{
186	if (border == "none")
187	dwStyle \|= WS_POPUP;
188	else if (border == "fixed")
189	dwStyle \|= WS_OVERLAPPED \| WS_BORDER \| WS_CAPTION \|
190	WS_SYSMENU \| WS_MINIMIZEBOX;
191	else
192	dwStyle \|= WS_OVERLAPPEDWINDOW;
193	}
194
195	if (!outerSize)
196	{
197	// Calculate window dimensions required
198	// to get the requested client area
199	SetRect(&rc, 0, 0, mWidth, mHeight);
200	AdjustWindowRect(&rc, dwStyle, false);
201	mWidth = rc.right - rc.left;
202	mHeight = rc.bottom - rc.top;
203
204	// Clamp width and height to the desktop dimensions
205	int screenw = GetSystemMetrics(SM_CXSCREEN);
206	int screenh = GetSystemMetrics(SM_CYSCREEN);
207	if ((int)mWidth > screenw)
208	mWidth = screenw;
209	if ((int)mHeight > screenh)
210	mHeight = screenh;
211	if (mLeft < 0)
212	mLeft = (screenw - mWidth) / 2;
213	if (mTop < 0)
214	mTop = (screenh - mHeight) / 2;
215	}
216	}
217	else
218	{
219	dwStyle \|= WS_POPUP;
220	mTop = mLeft = 0;
221	}
222
223	// Register the window class
224	// NB allow 4 bytes of window data for D3D9RenderWindow pointer
225	WNDCLASS wc = { 0, WindowEventUtilities::_WndProc, 0, 0, hInst,
226	LoadIcon(0, IDI_APPLICATION), LoadCursor(NULL, IDC_ARROW),
227	(HBRUSH)GetStockObject(BLACK_BRUSH), 0, "OgreD3D9Wnd" };
228	RegisterClass(&wc);
229
230	// Create our main window
231	// Pass pointer to self
232	mIsExternal = false;
233	mHWnd = CreateWindow("OgreD3D9Wnd", title.c_str(), dwStyle,
234	mLeft, mTop, mWidth, mHeight, parentHWnd, 0, hInst, this);
235
236	WindowEventUtilities::_addRenderWindow(this);
237	}
238	else
239	{
240	mHWnd = externalHandle;
241	mIsExternal = true;
242	}
243
244	RECT rc;
245	// top and left represent outer window coordinates
246	GetWindowRect(mHWnd, &rc);
247	mTop = rc.top;
248	mLeft = rc.left;
249	// width and height represent interior drawable area
250	GetClientRect(mHWnd, &rc);
251	mWidth = rc.right;
252	mHeight = rc.bottom;
253
254	mName = name;
255	mIsDepthBuffered = depthBuffer;
256	mIsFullScreen = fullScreen;
257	mColourDepth = colourDepth;
258
259	StringUtil::StrStreamType str;
260	str << "D3D9 : Created D3D9 Rendering Window '"
261	<< mName << "' : " << mWidth << "x" << mHeight
262	<< ", " << mColourDepth << "bpp";
263	LogManager::getSingleton().logMessage(
264	LML_NORMAL, str.str());
265
266	createD3DResources();
267
268	mActive = true;
269	mClosed = false;
270	}
271
272	void D3D9RenderWindow::setFullscreen(bool fullScreen, unsigned int width, unsigned int height)
273	{
274	if (fullScreen != mIsFullScreen \|\| width != mWidth \|\| height != mHeight)
275	{
276
277	if (fullScreen != mIsFullScreen)
278	mSwitchingFullscreen = true;
279
280	DWORD dwStyle = WS_VISIBLE \| WS_CLIPCHILDREN;
281
282	bool oldFullscreen = mIsFullScreen;
283	mIsFullScreen = fullScreen;
284
285	if (fullScreen)
286	{
287	dwStyle \|= WS_POPUP;
288	mTop = mLeft = 0;
289	mWidth = width;
290	mHeight = height;
291	// need different ordering here
292
293	if (oldFullscreen)
294	{
295	// was previously fullscreen, just changing the resolution
296	SetWindowPos(mHWnd, HWND_TOPMOST, 0, 0, width, height, SWP_NOACTIVATE);
297	}
298	else
299	{
300	SetWindowPos(mHWnd, HWND_TOPMOST, 0, 0, width, height, SWP_NOACTIVATE);
301	//MoveWindow(mHWnd, mLeft, mTop, mWidth, mHeight, FALSE);
302	SetWindowLong(mHWnd, GWL_STYLE, dwStyle);
303	SetWindowPos(mHWnd, 0, 0,0, 0,0, SWP_NOACTIVATE \| SWP_NOMOVE \| SWP_NOSIZE \| SWP_NOZORDER);
304	}
305	}
306	else
307	{
308	dwStyle \|= WS_OVERLAPPEDWINDOW;
309	// Calculate window dimensions required
310	// to get the requested client area
311	RECT rc;
312	SetRect(&rc, 0, 0, width, height);
313	AdjustWindowRect(&rc, dwStyle, false);
314	unsigned int winWidth = rc.right - rc.left;
315	unsigned int winHeight = rc.bottom - rc.top;
316
317	SetWindowLong(mHWnd, GWL_STYLE, dwStyle);
318	SetWindowPos(mHWnd, HWND_NOTOPMOST, 0, 0, winWidth, winHeight,
319	SWP_DRAWFRAME \| SWP_FRAMECHANGED \| SWP_NOMOVE \| SWP_NOACTIVATE);
320	// Note that we also set the position in the restoreLostDevice method
321	// via _finishSwitchingFullScreen
322	}
323
324	md3dpp.Windowed = !fullScreen;
325	md3dpp.FullScreen_RefreshRateInHz = mIsFullScreen ? mDisplayFrequency : 0;
326	md3dpp.BackBufferHeight = height;
327	md3dpp.BackBufferWidth = width;
328
329	if ((oldFullscreen && fullScreen) \|\| mIsExternal)
330	{
331	// Have to release & trigger device reset
332	// NB don't use windowMovedOrResized since Win32 doesn't know
333	// about the size change yet
334	SAFE_RELEASE(mpRenderSurface);
335	static_cast<D3D9RenderSystem*>(Root::getSingleton().getRenderSystem())->_notifyDeviceLost();
336	// Notify viewports of resize
337	ViewportList::iterator it = mViewportList.begin();
338	while(it != mViewportList.end()) (*it++).second->_updateDimensions();
339	}
340	}
341	}
342
343	void D3D9RenderWindow::_finishSwitchingFullscreen()
344	{
345	if(mIsFullScreen)
346	{
347	// Need to reset the region on the window sometimes, when the
348	// windowed mode was constrained by desktop
349	HRGN hRgn = CreateRectRgn(0,0,md3dpp.BackBufferWidth, md3dpp.BackBufferHeight);
350	SetWindowRgn(mHWnd, hRgn, FALSE);
351	}
352	else
353	{
354	// When switching back to windowed mode, need to reset window size
355	// after device has been restored
356	RECT rc;
357	SetRect(&rc, 0, 0, md3dpp.BackBufferWidth, md3dpp.BackBufferHeight);
358	AdjustWindowRect(&rc, GetWindowLong(mHWnd, GWL_STYLE), false);
359	unsigned int winWidth = rc.right - rc.left;
360	unsigned int winHeight = rc.bottom - rc.top;
361	int screenw = GetSystemMetrics(SM_CXSCREEN);
362	int screenh = GetSystemMetrics(SM_CYSCREEN);
363	int left = (screenw - winWidth) / 2;
364	int top = (screenh - winHeight) / 2;
365	SetWindowPos(mHWnd, HWND_NOTOPMOST, left, top, winWidth, winHeight,
366	SWP_DRAWFRAME \| SWP_FRAMECHANGED \| SWP_NOACTIVATE);
367
368	}
369	mSwitchingFullscreen = false;
370	}
371
372	void D3D9RenderWindow::createD3DResources(void)
373	{
374	// access device via driver
375	LPDIRECT3DDEVICE9 mpD3DDevice = mDriver->getD3DDevice();
376
377	if (mIsSwapChain && !mpD3DDevice)
378	{
379	OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR,
380	"Secondary window has not been given the device from the primary!",
381	"D3D9RenderWindow::createD3DResources");
382	}
383
384	SAFE_RELEASE(mpRenderSurface);
385
386	// Set up the presentation parameters
387	HRESULT hr;
388	LPDIRECT3D9 pD3D = mDriver->getD3D();
389	D3DDEVTYPE devType = D3DDEVTYPE_HAL;
390
391	ZeroMemory( &md3dpp, sizeof(D3DPRESENT_PARAMETERS) );
392	md3dpp.Windowed = !mIsFullScreen;
393	md3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
394	// triple buffer if VSync is on
395	md3dpp.BackBufferCount = mVSync ? 2 : 1;
396	md3dpp.EnableAutoDepthStencil = mIsDepthBuffered;
397	md3dpp.hDeviceWindow = mHWnd;
398	md3dpp.BackBufferWidth = mWidth;
399	md3dpp.BackBufferHeight = mHeight;
400	md3dpp.FullScreen_RefreshRateInHz = mIsFullScreen ? mDisplayFrequency : 0;
401
402
403	if (mVSync)
404	{
405	md3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
406	}
407	else
408	{
409	// NB not using vsync in windowed mode in D3D9 can cause jerking at low
410	// frame rates no matter what buffering modes are used (odd - perhaps a
411	// timer issue in D3D9 since GL doesn't suffer from this)
412	// low is < 200fps in this context
413	if (!mIsFullScreen)
414	{
415	LogManager::getSingleton().logMessage("D3D9 : WARNING - "
416	"disabling VSync in windowed mode can cause timing issues at lower "
417	"frame rates, turn VSync on if you observe this problem.");
418	}
419	md3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
420	}
421
422	md3dpp.BackBufferFormat = D3DFMT_R5G6B5;
423	if( mColourDepth > 16 )
424	md3dpp.BackBufferFormat = D3DFMT_X8R8G8B8;
425
426	if (mColourDepth > 16 )
427	{
428	// Try to create a 32-bit depth, 8-bit stencil
429	if( FAILED( pD3D->CheckDeviceFormat(mDriver->getAdapterNumber(),
430	devType, md3dpp.BackBufferFormat, D3DUSAGE_DEPTHSTENCIL,
431	D3DRTYPE_SURFACE, D3DFMT_D24S8 )))
432	{
433	// Bugger, no 8-bit hardware stencil, just try 32-bit zbuffer
434	if( FAILED( pD3D->CheckDeviceFormat(mDriver->getAdapterNumber(),
435	devType, md3dpp.BackBufferFormat, D3DUSAGE_DEPTHSTENCIL,
436	D3DRTYPE_SURFACE, D3DFMT_D32 )))
437	{
438	// Jeez, what a naff card. Fall back on 16-bit depth buffering
439	md3dpp.AutoDepthStencilFormat = D3DFMT_D16;
440	}
441	else
442	md3dpp.AutoDepthStencilFormat = D3DFMT_D32;
443	}
444	else
445	{
446	// Woohoo!
447	if( SUCCEEDED( pD3D->CheckDepthStencilMatch( mDriver->getAdapterNumber(), devType,
448	md3dpp.BackBufferFormat, md3dpp.BackBufferFormat, D3DFMT_D24S8 ) ) )
449	{
450	md3dpp.AutoDepthStencilFormat = D3DFMT_D24S8;
451	}
452	else
453	md3dpp.AutoDepthStencilFormat = D3DFMT_D24X8;
454	}
455	}
456	else
457	// 16-bit depth, software stencil
458	md3dpp.AutoDepthStencilFormat = D3DFMT_D16;
459
460	md3dpp.MultiSampleType = mFSAAType;
461	md3dpp.MultiSampleQuality = (mFSAAQuality == 0) ? 0 : mFSAAQuality;
462
463	if (mIsSwapChain)
464	{
465	// Create swap chain
466	hr = mpD3DDevice->CreateAdditionalSwapChain(
467	&md3dpp, &mpSwapChain);
468	if (FAILED(hr))
469	{
470	// Try a second time, may fail the first time due to back buffer count,
471	// which will be corrected by the runtime
472	hr = mpD3DDevice->CreateAdditionalSwapChain(
473	&md3dpp, &mpSwapChain);
474	}
475	if (FAILED(hr))
476	{
477	OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR,
478	"Unable to create an additional swap chain",
479	"D3D9RenderWindow::createD3DResources");
480	}
481	// Store references to buffers for convenience
482	mpSwapChain->GetBackBuffer( 0, D3DBACKBUFFER_TYPE_MONO, &mpRenderSurface );
483	// Additional swap chains need their own depth buffer
484	// to support resizing them
485	if (mIsDepthBuffered)
486	{
487	hr = mpD3DDevice->CreateDepthStencilSurface(
488	mWidth, mHeight,
489	md3dpp.AutoDepthStencilFormat,
490	md3dpp.MultiSampleType,
491	md3dpp.MultiSampleQuality,
492	(md3dpp.Flags & D3DPRESENTFLAG_DISCARD_DEPTHSTENCIL),
493	&mpRenderZBuffer, NULL
494	);
495
496	if (FAILED(hr))
497	{
498	OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR,
499	"Unable to create a depth buffer for the swap chain",
500	"D3D9RenderWindow::createD3DResources");
501
502	}
503	}
504	else
505	{
506	mpRenderZBuffer = 0;
507	}
508	}
509	else
510	{
511	if (!mpD3DDevice)
512	{
513	// We haven't created the device yet, this must be the first time
514
515	// Do we want to preserve the FPU mode? Might be useful for scientific apps
516	DWORD extraFlags = 0;
517	ConfigOptionMap& options = Root::getSingleton().getRenderSystem()->getConfigOptions();
518	ConfigOptionMap::iterator opti = options.find("Floating-point mode");
519	if (opti != options.end() && opti->second.currentValue == "Consistent")
520	extraFlags \|= D3DCREATE_FPU_PRESERVE;
521
522	#if OGRE_THREAD_SUPPORT
523	extraFlags \|= D3DCREATE_MULTITHREADED;
524	#endif
525	// Set default settings (use the one Ogre discovered as a default)
526	UINT adapterToUse = mDriver->getAdapterNumber();
527
528	if (mUseNVPerfHUD)
529	{
530	// Look for 'NVIDIA NVPerfHUD' adapter (<= v4)
531	// or 'NVIDIA PerfHUD' (v5)
532	// If it is present, override default settings
533	for (UINT adapter=0; adapter < mDriver->getD3D()->GetAdapterCount(); ++adapter)
534	{
535	D3DADAPTER_IDENTIFIER9 identifier;
536	HRESULT res;
537	res = mDriver->getD3D()->GetAdapterIdentifier(adapter,0,&identifier);
538	if (strstr(identifier.Description,"PerfHUD") != 0)
539	{
540	adapterToUse = adapter;
541	devType = D3DDEVTYPE_REF;
542	break;
543	}
544	}
545	}
546
547	hr = pD3D->CreateDevice(adapterToUse, devType, mHWnd,
548	D3DCREATE_HARDWARE_VERTEXPROCESSING \| extraFlags, &md3dpp, &mpD3DDevice );
549	if (FAILED(hr))
550	{
551	// Try a second time, may fail the first time due to back buffer count,
552	// which will be corrected down to 1 by the runtime
553	hr = pD3D->CreateDevice( adapterToUse, devType, mHWnd,
554	D3DCREATE_HARDWARE_VERTEXPROCESSING \| extraFlags, &md3dpp, &mpD3DDevice );
555	}
556	if( FAILED( hr ) )
557	{
558	hr = pD3D->CreateDevice( adapterToUse, devType, mHWnd,
559	D3DCREATE_MIXED_VERTEXPROCESSING \| extraFlags, &md3dpp, &mpD3DDevice );
560	if( FAILED( hr ) )
561	{
562	hr = pD3D->CreateDevice( adapterToUse, devType, mHWnd,
563	D3DCREATE_SOFTWARE_VERTEXPROCESSING \| extraFlags, &md3dpp, &mpD3DDevice );
564	}
565	}
566	// TODO: make this a bit better e.g. go from pure vertex processing to software
567	if( FAILED( hr ) )
568	{
569	destroy();
570	OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR,
571	"Failed to create Direct3D9 Device: " +
572	Root::getSingleton().getErrorDescription(hr),
573	"D3D9RenderWindow::createD3DResources" );
574	}
575	}
576	// update device in driver
577	mDriver->setD3DDevice( mpD3DDevice );
578	// Store references to buffers for convenience
579	mpD3DDevice->GetRenderTarget( 0, &mpRenderSurface );
580	mpD3DDevice->GetDepthStencilSurface( &mpRenderZBuffer );
581	// release immediately so we don't hog them
582	mpRenderZBuffer->Release();
583	}
584
585	}
586
587	void D3D9RenderWindow::destroyD3DResources()
588	{
589	if (mIsSwapChain)
590	{
591	SAFE_RELEASE(mpRenderZBuffer);
592	SAFE_RELEASE(mpSwapChain);
593	}
594	else
595	{
596	// ignore depth buffer, access device through driver
597	mpRenderZBuffer = 0;
598	}
599	SAFE_RELEASE(mpRenderSurface);
600	}
601
602	void D3D9RenderWindow::destroy()
603	{
604	destroyD3DResources();
605
606	if (mHWnd && !mIsExternal)
607	{
608	WindowEventUtilities::_removeRenderWindow(this);
609	DestroyWindow(mHWnd);
610	}
611
612	mHWnd = 0;
613	mActive = false;
614	mClosed = true;
615	}
616
617	bool D3D9RenderWindow::isVisible() const
618	{
619	return (mHWnd && !IsIconic(mHWnd));
620	}
621
622	void D3D9RenderWindow::reposition(int top, int left)
623	{
624	if (mHWnd && !mIsFullScreen)
625	{
626	SetWindowPos(mHWnd, 0, top, left, 0, 0,
627	SWP_NOSIZE \| SWP_NOZORDER \| SWP_NOACTIVATE);
628	}
629	}
630
631	void D3D9RenderWindow::resize(unsigned int width, unsigned int height)
632	{
633	if (mHWnd && !mIsFullScreen)
634	{
635	RECT rc = { 0, 0, width, height };
636	AdjustWindowRect(&rc, GetWindowLong(mHWnd, GWL_STYLE), false);
637	width = rc.right - rc.left;
638	height = rc.bottom - rc.top;
639	SetWindowPos(mHWnd, 0, 0, 0, width, height,
640	SWP_NOMOVE \| SWP_NOZORDER \| SWP_NOACTIVATE);
641	}
642	}
643
644	void D3D9RenderWindow::windowMovedOrResized()
645	{
646	if (!mHWnd \|\| IsIconic(mHWnd))
647	return;
648
649	RECT rc;
650	// top and left represent outer window position
651	GetWindowRect(mHWnd, &rc);
652	mTop = rc.top;
653	mLeft = rc.left;
654	// width and height represent drawable area only
655	GetClientRect(mHWnd, &rc);
656	unsigned int width = rc.right;
657	unsigned int height = rc.bottom;
658	if (mWidth == width && mHeight == height)
659	return;
660
661	SAFE_RELEASE( mpRenderSurface );
662
663	if (mIsSwapChain)
664	{
665
666	D3DPRESENT_PARAMETERS pp = md3dpp;
667
668	pp.BackBufferWidth = width;
669	pp.BackBufferHeight = height;
670
671	SAFE_RELEASE( mpRenderZBuffer );
672	SAFE_RELEASE( mpSwapChain );
673
674	HRESULT hr = mDriver->getD3DDevice()->CreateAdditionalSwapChain(
675	&pp,
676	&mpSwapChain);
677
678	if (FAILED(hr))
679	{
680	StringUtil::StrStreamType str;
681	str << "D3D9RenderWindow: failed to reset device to new dimensions << "
682	<< width << " x " << height << ". Trying to recover.";
683	LogManager::getSingleton().logMessage(LML_CRITICAL, str.str());
684
685	// try to recover
686	hr = mDriver->getD3DDevice()->CreateAdditionalSwapChain(
687	&md3dpp,
688	&mpSwapChain);
689
690	if (FAILED(hr))
691	OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "Reset window to last size failed", "D3D9RenderWindow::resize" );
692
693	}
694	else
695	{
696	md3dpp = pp;
697
698	mWidth = width;
699	mHeight = height;
700
701	hr = mpSwapChain->GetBackBuffer(0, D3DBACKBUFFER_TYPE_MONO, &mpRenderSurface);
702	hr = mDriver->getD3DDevice()->CreateDepthStencilSurface(
703	mWidth, mHeight,
704	md3dpp.AutoDepthStencilFormat,
705	md3dpp.MultiSampleType,
706	md3dpp.MultiSampleQuality,
707	(md3dpp.Flags & D3DPRESENTFLAG_DISCARD_DEPTHSTENCIL),
708	&mpRenderZBuffer, NULL
709	);
710
711	if (FAILED(hr))
712	{
713	OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "Failed to create depth stencil surface for Swap Chain", "D3D9RenderWindow::resize" );
714	}
715
716	}
717	}
718	// primary windows must reset the device
719	else
720	{
721	md3dpp.BackBufferWidth = mWidth = width;
722	md3dpp.BackBufferHeight = mHeight = height;
723	static_cast<D3D9RenderSystem*>(
724	Root::getSingleton().getRenderSystem())->_notifyDeviceLost();
725	}
726
727	// Notify viewports of resize
728	ViewportList::iterator it = mViewportList.begin();
729	while( it != mViewportList.end() )
730	(*it++).second->_updateDimensions();
731	}
732
733	void D3D9RenderWindow::swapBuffers( bool waitForVSync )
734	{
735	// access device through driver
736	LPDIRECT3DDEVICE9 mpD3DDevice = mDriver->getD3DDevice();
737	if( mpD3DDevice )
738	{
739	HRESULT hr;
740	if (mIsSwapChain)
741	{
742	hr = mpSwapChain->Present(NULL, NULL, NULL, NULL, 0);
743	}
744	else
745	{
746	hr = mpD3DDevice->Present( NULL, NULL, 0, NULL );
747	}
748	if( D3DERR_DEVICELOST == hr )
749	{
750	SAFE_RELEASE(mpRenderSurface);
751
752	static_cast<D3D9RenderSystem*>(
753	Root::getSingleton().getRenderSystem())->_notifyDeviceLost();
754	}
755	else if( FAILED(hr) )
756	OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "Error Presenting surfaces", "D3D9RenderWindow::swapBuffers" );
757	}
758	}
759
760	void D3D9RenderWindow::getCustomAttribute( const String& name, void* pData )
761	{
762	// Valid attributes and their equvalent native functions:
763	// D3DDEVICE : getD3DDevice
764	// WINDOW : getWindowHandle
765
766	if( name == "D3DDEVICE" )
767	{
768	LPDIRECT3DDEVICE9 pDev = (LPDIRECT3DDEVICE9)pData;
769	*pDev = getD3DDevice();
770	return;
771	}
772	else if( name == "WINDOW" )
773	{
774	HWND pHwnd = (HWND)pData;
775	*pHwnd = getWindowHandle();
776	return;
777	}
778	else if( name == "isTexture" )
779	{
780	bool b = reinterpret_cast< bool >( pData );
781	*b = false;
782
783	return;
784	}
785	else if( name == "D3DZBUFFER" )
786	{
787	LPDIRECT3DSURFACE9 pSurf = (LPDIRECT3DSURFACE9)pData;
788	*pSurf = mpRenderZBuffer;
789	return;
790	}
791	else if( name == "DDBACKBUFFER" )
792	{
793	LPDIRECT3DSURFACE9 pSurf = (LPDIRECT3DSURFACE9)pData;
794	*pSurf = mpRenderSurface;
795	return;
796	}
797	else if( name == "DDFRONTBUFFER" )
798	{
799	LPDIRECT3DSURFACE9 pSurf = (LPDIRECT3DSURFACE9)pData;
800	*pSurf = mpRenderSurface;
801	return;
802	}
803	}
804
805	void D3D9RenderWindow::writeContentsToFile(const String& filename)
806	{
807	HRESULT hr;
808	LPDIRECT3DSURFACE9 pSurf=NULL, pTempSurf=NULL;
809	D3DSURFACE_DESC desc;
810	D3DDISPLAYMODE dm;
811
812	// access device through driver
813	LPDIRECT3DDEVICE9 mpD3DDevice = mDriver->getD3DDevice();
814
815	// get display dimensions
816	// this will be the dimensions of the front buffer
817	if (FAILED(hr = mpD3DDevice->GetDisplayMode(0, &dm)))
818	OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "Can't get display mode!", "D3D9RenderWindow::writeContentsToFile");
819
820	desc.Width = dm.Width;
821	desc.Height = dm.Height;
822	desc.Format = D3DFMT_A8R8G8B8;
823	if (FAILED(hr = mpD3DDevice->CreateOffscreenPlainSurface(
824	desc.Width,
825	desc.Height,
826	desc.Format,
827	D3DPOOL_SYSTEMMEM,
828	&pTempSurf,
829	NULL)))
830	{
831	OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "Cannot create offscreen buffer 1!", "D3D9RenderWindow::writeContentsToFile");
832	}
833
834	if (FAILED(hr = mpD3DDevice->GetFrontBufferData(0, pTempSurf)))
835	{
836	SAFE_RELEASE(pTempSurf);
837	OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "Can't get front buffer!", "D3D9RenderWindow::writeContentsToFile");
838	}
839
840	D3DLOCKED_RECT lockedRect;
841	if(mIsFullScreen)
842	{
843	if (FAILED(hr = pTempSurf->LockRect(&lockedRect, NULL,
844	D3DLOCK_READONLY \| D3DLOCK_NOSYSLOCK)))
845	{
846	OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "can't lock rect!", "D3D9RenderWindow::writeContentsToFile");
847	}
848	}
849	else
850	{
851	RECT srcRect;
852	GetClientRect(mHWnd, &srcRect);
853	POINT point;
854	point.x = srcRect.left;
855	point.y = srcRect.top;
856	ClientToScreen(mHWnd, &point);
857	srcRect.top = point.y;
858	srcRect.left = point.x;
859	srcRect.bottom += point.y;
860	srcRect.right += point.x;
861
862	desc.Width = srcRect.right - srcRect.left;
863	desc.Height = srcRect.bottom - srcRect.top;
864
865	if (FAILED(hr = pTempSurf->LockRect(&lockedRect, &srcRect,
866
867	D3DLOCK_READONLY \| D3DLOCK_NOSYSLOCK)))
868	{
869	OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "can't lock rect!", "D3D9RenderWindow::writeContentsToFile");
870	}
871	}
872
873	ImageCodec::ImageData *imgData = new ImageCodec::ImageData();
874	imgData->width = desc.Width;
875	imgData->height = desc.Height;
876	imgData->format = PF_BYTE_RGB;
877
878	// Allocate contiguous buffer (surfaces aren't necessarily contiguous)
879	uchar* pBuffer = new uchar[desc.Width * desc.Height * 3];
880
881	uint x, y;
882	uchar pData, pDest;
883
884	pData = (uchar*)lockedRect.pBits;
885	pDest = pBuffer;
886	for (y = 0; y < desc.Height; ++y)
887	{
888	uchar *pRow = pData;
889
890	for (x = 0; x < desc.Width; ++x)
891	{
892	switch(desc.Format)
893	{
894	case D3DFMT_R5G6B5:
895	WORD val;
896
897	val = ((WORD)pRow);
898	pRow += 2;
899
900	*pDest++ = Bitwise::convertBitPattern((WORD)val, (WORD)0xF800, (BYTE)0xFF);
901	*pDest++ = Bitwise::convertBitPattern((WORD)val, (WORD)0x07E0, (BYTE)0xFF);
902	*pDest++ = Bitwise::convertBitPattern((WORD)val, (WORD)0x001F, (BYTE)0xFF);
903	break;
904	case D3DFMT_A8R8G8B8:
905	case D3DFMT_X8R8G8B8:
906	// Actual format is BRGA for some reason
907	*pDest++ = pRow[2]; // R
908	*pDest++ = pRow[1]; // G
909	*pDest++ = pRow[0]; // B
910	pRow += 4; // skip alpha / dummy
911	break;
912	case D3DFMT_R8G8B8:
913	// Actual format is BRGA for some reason
914	*pDest++ = pRow[2]; // R
915	*pDest++ = pRow[1]; // G
916	*pDest++ = pRow[0]; // B
917	pRow += 3;
918	break;
919	}
920
921
922	}
923	// increase by one line
924	pData += lockedRect.Pitch;
925	}
926
927	// Wrap buffer in a chunk
928	MemoryDataStreamPtr stream(new MemoryDataStream(pBuffer, desc.Width * desc.Height * 3, false));
929
930	// Get codec
931	size_t pos = filename.find_last_of(".");
932	String extension;
933	if( pos == String::npos )
934	OGRE_EXCEPT(
935	Exception::ERR_INVALIDPARAMS,
936	"Unable to determine image type for '" + filename + "' - invalid extension.",
937	"D3D9RenderWindow::writeContentsToFile" );
938
939	while( pos != filename.length() - 1 )
940	extension += filename[++pos];
941
942	// Get the codec
943	Codec * pCodec = Codec::getCodec(extension);
944
945	// Write out
946	{
947	Codec::CodecDataPtr ptr(imgData);
948	pCodec->codeToFile(stream, filename, ptr);
949	}
950
951	delete [] pBuffer;
952
953	SAFE_RELEASE(pTempSurf);
954	SAFE_RELEASE(pSurf);
955	}
956	//-----------------------------------------------------------------------------
957	void D3D9RenderWindow::update(bool swap)
958	{
959
960	D3D9RenderSystem* rs = static_cast<D3D9RenderSystem*>(
961	Root::getSingleton().getRenderSystem());
962
963	// access device through driver
964	LPDIRECT3DDEVICE9 mpD3DDevice = mDriver->getD3DDevice();
965
966	if (rs->isDeviceLost())
967	{
968	// Test the cooperative mode first
969	HRESULT hr = mpD3DDevice->TestCooperativeLevel();
970	if (hr == D3DERR_DEVICELOST)
971	{
972	// device lost, and we can't reset
973	// can't do anything about it here, wait until we get
974	// D3DERR_DEVICENOTRESET; rendering calls will silently fail until
975	// then (except Present, but we ignore device lost there too)
976	SAFE_RELEASE(mpRenderSurface);
977	// need to release if swap chain
978	if (!mIsSwapChain)
979	mpRenderZBuffer = 0;
980	else
981	SAFE_RELEASE (mpRenderZBuffer);
982	Sleep(50);
983	return;
984	}
985	else
986	{
987	// device lost, and we can reset
988	rs->restoreLostDevice();
989
990	// Still lost?
991	if (rs->isDeviceLost())
992	{
993	// Wait a while
994	Sleep(50);
995	return;
996	}
997
998	if (!mIsSwapChain)
999	{
1000	// re-qeuery buffers
1001	mpD3DDevice->GetRenderTarget( 0, &mpRenderSurface );
1002	mpD3DDevice->GetDepthStencilSurface( &mpRenderZBuffer );
1003	// release immediately so we don't hog them
1004	mpRenderZBuffer->Release();
1005	}
1006	else
1007	{
1008	// Update dimensions incase changed
1009	ViewportList::iterator it = mViewportList.begin();
1010	while( it != mViewportList.end() )
1011	(*it++).second->_updateDimensions();
1012	// Actual restoration of surfaces will happen in
1013	// D3D9RenderSystem::restoreLostDevice when it calls
1014	// createD3DResources for each secondary window
1015	}
1016	}
1017
1018	}
1019	RenderWindow::update(swap);
1020	}
1021	}

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source: downloads/ogre/RenderSystems/Direct3D9/src/OgreD3D9RenderWindow.cpp @ 11

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