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b311480e | 1 | // Created on: 2011-10-20 |
2 | // Created by: Sergey ZERCHANINOV | |
1981cb22 | 3 | // Copyright (c) 2011-2013 OPEN CASCADE SAS |
b311480e | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 6 | // |
d5f74e42 | 7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
11 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
b311480e | 15 | |
2166f0fa | 16 | #include <OpenGl_GraphicDriver.hxx> |
f0430952 | 17 | #include <OpenGl_Context.hxx> |
938d4544 | 18 | #include <OpenGl_Flipper.hxx> |
a174a3c5 | 19 | #include <OpenGl_GraduatedTrihedron.hxx> |
20 | #include <OpenGl_Group.hxx> | |
2166f0fa | 21 | #include <OpenGl_View.hxx> |
a6eb515f | 22 | #include <OpenGl_StencilTest.hxx> |
a174a3c5 | 23 | #include <OpenGl_Text.hxx> |
24 | #include <OpenGl_Trihedron.hxx> | |
2166f0fa | 25 | #include <OpenGl_Workspace.hxx> |
7fd59977 | 26 | |
25b97fac | 27 | #include <Aspect_GraphicDeviceDefinitionError.hxx> |
c357e426 | 28 | #include <Aspect_IdentDefinitionError.hxx> |
25b97fac | 29 | #include <Message_Messenger.hxx> |
73192b37 | 30 | #include <OSD_Environment.hxx> |
a174a3c5 | 31 | #include <Standard_NotImplemented.hxx> |
32 | ||
92efcf78 | 33 | IMPLEMENT_STANDARD_RTTIEXT(OpenGl_GraphicDriver,Graphic3d_GraphicDriver) |
34 | ||
c357e426 | 35 | #if defined(_WIN32) |
36 | #include <WNT_Window.hxx> | |
37 | #elif defined(__APPLE__) && !defined(MACOSX_USE_GLX) | |
38 | #include <Cocoa_Window.hxx> | |
39 | #else | |
40 | #include <Xw_Window.hxx> | |
41 | #endif | |
42 | ||
d8d01f6e | 43 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
73192b37 | 44 | #include <X11/Xlib.h> // XOpenDisplay() |
45 | #endif | |
46 | ||
d8d01f6e | 47 | #if defined(HAVE_EGL) || defined(__ANDROID__) || defined(__QNX__) |
25b97fac | 48 | #include <EGL/egl.h> |
49 | #endif | |
50 | ||
2166f0fa SK |
51 | namespace |
52 | { | |
5e27df78 | 53 | static const Handle(OpenGl_Context) TheNullGlCtx; |
7fd59977 | 54 | } |
55 | ||
65993a95 | 56 | // ======================================================================= |
57 | // function : OpenGl_GraphicDriver | |
58 | // purpose : | |
59 | // ======================================================================= | |
25b97fac | 60 | OpenGl_GraphicDriver::OpenGl_GraphicDriver (const Handle(Aspect_DisplayConnection)& theDisp, |
05e2200b | 61 | const Standard_Boolean theToInitialize) |
fe9fc669 | 62 | : Graphic3d_GraphicDriver (theDisp), |
05e2200b | 63 | myIsOwnContext (Standard_False), |
d8d01f6e | 64 | #if defined(HAVE_EGL) || defined(__ANDROID__) || defined(__QNX__) |
25b97fac | 65 | myEglDisplay ((Aspect_Display )EGL_NO_DISPLAY), |
66 | myEglContext ((Aspect_RenderingContext )EGL_NO_CONTEXT), | |
67 | myEglConfig (NULL), | |
68 | #endif | |
65993a95 | 69 | myCaps (new OpenGl_Caps()), |
70 | myMapOfView (1, NCollection_BaseAllocator::CommonBaseAllocator()), | |
a521d90d | 71 | myMapOfStructure (1, NCollection_BaseAllocator::CommonBaseAllocator()) |
65993a95 | 72 | { |
d8d01f6e | 73 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
73192b37 | 74 | if (myDisplayConnection.IsNull()) |
75 | { | |
73192b37 | 76 | //Aspect_GraphicDeviceDefinitionError::Raise ("OpenGl_GraphicDriver: cannot connect to X server!"); |
fe9fc669 | 77 | return; |
73192b37 | 78 | } |
79 | ||
73192b37 | 80 | Display* aDisplay = myDisplayConnection->GetDisplay(); |
81 | Bool toSync = ::getenv ("CSF_GraphicSync") != NULL | |
82 | || ::getenv ("CALL_SYNCHRO_X") != NULL; | |
83 | XSynchronize (aDisplay, toSync); | |
84 | ||
25b97fac | 85 | #if !defined(HAVE_EGL) |
73192b37 | 86 | // does the server know about OpenGL & GLX? |
87 | int aDummy; | |
88 | if (!XQueryExtension (aDisplay, "GLX", &aDummy, &aDummy, &aDummy)) | |
89 | { | |
05e2200b | 90 | ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, this system doesn't appear to support OpenGL!", Message_Warning); |
73192b37 | 91 | } |
92 | #endif | |
25b97fac | 93 | #endif |
05e2200b | 94 | if (theToInitialize |
95 | && !InitContext()) | |
96 | { | |
97 | Aspect_GraphicDeviceDefinitionError::Raise ("OpenGl_GraphicDriver: default context can not be initialized!"); | |
98 | } | |
c357e426 | 99 | |
100 | // default layers are always presented in display layer sequence it can not be removed | |
101 | Graphic3d_ZLayerSettings anUnderlaySettings; | |
102 | anUnderlaySettings.Flags = 0; | |
103 | anUnderlaySettings.IsImmediate = false; | |
83da37b1 | 104 | anUnderlaySettings.UseEnvironmentTexture = false; |
c357e426 | 105 | myLayerIds.Add (Graphic3d_ZLayerId_BotOSD); |
106 | myLayerSeq.Append (Graphic3d_ZLayerId_BotOSD); | |
107 | myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_BotOSD, anUnderlaySettings); | |
108 | ||
109 | Graphic3d_ZLayerSettings aDefSettings; | |
110 | aDefSettings.Flags = Graphic3d_ZLayerDepthTest | |
111 | | Graphic3d_ZLayerDepthWrite; | |
112 | aDefSettings.IsImmediate = false; | |
113 | myLayerIds.Add (Graphic3d_ZLayerId_Default); | |
114 | myLayerSeq.Append (Graphic3d_ZLayerId_Default); | |
115 | myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_Default, aDefSettings); | |
116 | ||
117 | Graphic3d_ZLayerSettings aTopSettings; | |
118 | aTopSettings.Flags = Graphic3d_ZLayerDepthTest | |
119 | | Graphic3d_ZLayerDepthWrite; | |
120 | aTopSettings.IsImmediate = true; | |
121 | myLayerIds.Add (Graphic3d_ZLayerId_Top); | |
122 | myLayerSeq.Append (Graphic3d_ZLayerId_Top); | |
123 | myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_Top, aTopSettings); | |
124 | ||
125 | Graphic3d_ZLayerSettings aTopmostSettings; | |
126 | aTopmostSettings.Flags = Graphic3d_ZLayerDepthTest | |
127 | | Graphic3d_ZLayerDepthWrite | |
128 | | Graphic3d_ZLayerDepthClear; | |
129 | aTopmostSettings.IsImmediate = true; | |
130 | myLayerIds.Add (Graphic3d_ZLayerId_Topmost); | |
131 | myLayerSeq.Append (Graphic3d_ZLayerId_Topmost); | |
132 | myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_Topmost, aTopmostSettings); | |
133 | ||
134 | Graphic3d_ZLayerSettings anOsdSettings; | |
135 | anOsdSettings.Flags = 0; | |
136 | anOsdSettings.IsImmediate = true; | |
83da37b1 | 137 | anOsdSettings.UseEnvironmentTexture = false; |
c357e426 | 138 | myLayerIds.Add (Graphic3d_ZLayerId_TopOSD); |
139 | myLayerSeq.Append (Graphic3d_ZLayerId_TopOSD); | |
140 | myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_TopOSD, anOsdSettings); | |
05e2200b | 141 | } |
25b97fac | 142 | |
05e2200b | 143 | // ======================================================================= |
144 | // function : ~OpenGl_GraphicDriver | |
145 | // purpose : | |
146 | // ======================================================================= | |
147 | OpenGl_GraphicDriver::~OpenGl_GraphicDriver() | |
148 | { | |
149 | ReleaseContext(); | |
150 | } | |
151 | ||
152 | // ======================================================================= | |
153 | // function : ReleaseContext | |
154 | // purpose : | |
155 | // ======================================================================= | |
156 | void OpenGl_GraphicDriver::ReleaseContext() | |
157 | { | |
158 | Handle(OpenGl_Context) aCtxShared; | |
c357e426 | 159 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); |
160 | aViewIter.More(); aViewIter.Next()) | |
25b97fac | 161 | { |
c357e426 | 162 | const Handle(OpenGl_View)& aView = aViewIter.ChangeValue(); |
163 | const Handle(OpenGl_Window)& aWindow = aView->GlWindow(); | |
164 | if (aWindow.IsNull()) | |
165 | { | |
166 | continue; | |
167 | } | |
168 | ||
169 | const Handle(OpenGl_Context)& aCtx = aWindow->GetGlContext(); | |
05e2200b | 170 | if (aCtx->MakeCurrent() |
171 | && aCtxShared.IsNull()) | |
25b97fac | 172 | { |
05e2200b | 173 | aCtxShared = aCtx; |
25b97fac | 174 | } |
05e2200b | 175 | } |
176 | ||
177 | if (!aCtxShared.IsNull()) | |
178 | { | |
179 | aCtxShared->MakeCurrent(); | |
180 | } | |
a272ed94 | 181 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); |
05e2200b | 182 | aViewIter.More(); aViewIter.Next()) |
183 | { | |
184 | const Handle(OpenGl_View)& aView = aViewIter.ChangeValue(); | |
185 | aView->ReleaseGlResources (aCtxShared); | |
186 | } | |
187 | ||
188 | for (NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure); | |
189 | aStructIt.More (); aStructIt.Next()) | |
190 | { | |
191 | OpenGl_Structure* aStruct = aStructIt.ChangeValue(); | |
192 | aStruct->ReleaseGlResources (aCtxShared); | |
193 | } | |
05e2200b | 194 | myDeviceLostFlag = myDeviceLostFlag || !myMapOfStructure.IsEmpty(); |
195 | ||
c357e426 | 196 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); |
197 | aViewIter.More(); aViewIter.Next()) | |
05e2200b | 198 | { |
c357e426 | 199 | const Handle(OpenGl_View)& aView = aViewIter.ChangeValue(); |
200 | const Handle(OpenGl_Window)& aWindow = aView->GlWindow(); | |
201 | if (aWindow.IsNull()) | |
202 | { | |
203 | continue; | |
204 | } | |
205 | ||
206 | aWindow->GetGlContext()->forcedRelease(); | |
05e2200b | 207 | } |
25b97fac | 208 | |
d8d01f6e | 209 | #if defined(HAVE_EGL) || defined(__ANDROID__) || defined(__QNX__) |
05e2200b | 210 | if (myIsOwnContext) |
211 | { | |
212 | if (myEglContext != (Aspect_RenderingContext )EGL_NO_CONTEXT) | |
25b97fac | 213 | { |
05e2200b | 214 | if (eglMakeCurrent ((EGLDisplay )myEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT) != EGL_TRUE) |
215 | { | |
216 | ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, FAILED to release OpenGL context!", Message_Warning); | |
217 | } | |
218 | eglDestroyContext ((EGLDisplay )myEglDisplay, (EGLContext )myEglContext); | |
219 | } | |
25b97fac | 220 | |
05e2200b | 221 | if (myEglDisplay != (Aspect_Display )EGL_NO_DISPLAY) |
25b97fac | 222 | { |
05e2200b | 223 | if (eglTerminate ((EGLDisplay )myEglDisplay) != EGL_TRUE) |
224 | { | |
225 | ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, EGL, eglTerminate FAILED!", Message_Warning); | |
226 | } | |
25b97fac | 227 | } |
25b97fac | 228 | } |
229 | ||
05e2200b | 230 | myEglDisplay = (Aspect_Display )EGL_NO_DISPLAY; |
231 | myEglContext = (Aspect_RenderingContext )EGL_NO_CONTEXT; | |
232 | myEglConfig = NULL; | |
233 | #endif | |
234 | myIsOwnContext = Standard_False; | |
235 | } | |
236 | ||
237 | // ======================================================================= | |
238 | // function : InitContext | |
239 | // purpose : | |
240 | // ======================================================================= | |
241 | Standard_Boolean OpenGl_GraphicDriver::InitContext() | |
242 | { | |
243 | ReleaseContext(); | |
d8d01f6e | 244 | #if defined(HAVE_EGL) || defined(__ANDROID__) || defined(__QNX__) |
05e2200b | 245 | |
d8d01f6e | 246 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
05e2200b | 247 | if (myDisplayConnection.IsNull()) |
248 | { | |
249 | return Standard_False; | |
250 | } | |
251 | Display* aDisplay = myDisplayConnection->GetDisplay(); | |
25b97fac | 252 | myEglDisplay = (Aspect_Display )eglGetDisplay (aDisplay); |
253 | #else | |
254 | myEglDisplay = (Aspect_Display )eglGetDisplay (EGL_DEFAULT_DISPLAY); | |
255 | #endif | |
256 | if ((EGLDisplay )myEglDisplay == EGL_NO_DISPLAY) | |
257 | { | |
05e2200b | 258 | ::Message::DefaultMessenger()->Send ("Error: no EGL display!", Message_Fail); |
259 | return Standard_False; | |
25b97fac | 260 | } |
261 | ||
262 | EGLint aVerMajor = 0; EGLint aVerMinor = 0; | |
263 | if (eglInitialize ((EGLDisplay )myEglDisplay, &aVerMajor, &aVerMinor) != EGL_TRUE) | |
264 | { | |
05e2200b | 265 | ::Message::DefaultMessenger()->Send ("Error: EGL display is unavailable!", Message_Fail); |
266 | return Standard_False; | |
25b97fac | 267 | } |
268 | ||
05e2200b | 269 | EGLint aConfigAttribs[] = |
25b97fac | 270 | { |
271 | EGL_RED_SIZE, 8, | |
272 | EGL_GREEN_SIZE, 8, | |
273 | EGL_BLUE_SIZE, 8, | |
274 | EGL_ALPHA_SIZE, 0, | |
275 | EGL_DEPTH_SIZE, 24, | |
276 | EGL_STENCIL_SIZE, 8, | |
277 | #if defined(GL_ES_VERSION_2_0) | |
278 | EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, | |
279 | #else | |
280 | EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, | |
281 | #endif | |
282 | EGL_NONE | |
283 | }; | |
284 | ||
285 | EGLint aNbConfigs = 0; | |
05e2200b | 286 | if (eglChooseConfig ((EGLDisplay )myEglDisplay, aConfigAttribs, &myEglConfig, 1, &aNbConfigs) != EGL_TRUE |
287 | || myEglConfig == NULL) | |
25b97fac | 288 | { |
05e2200b | 289 | eglGetError(); |
290 | aConfigAttribs[4 * 2 + 1] = 16; // try config with smaller depth buffer | |
291 | if (eglChooseConfig ((EGLDisplay )myEglDisplay, aConfigAttribs, &myEglConfig, 1, &aNbConfigs) != EGL_TRUE | |
292 | || myEglConfig == NULL) | |
293 | { | |
294 | ::Message::DefaultMessenger()->Send ("Error: EGL does not provide compatible configurations!", Message_Fail); | |
295 | return Standard_False; | |
296 | } | |
25b97fac | 297 | } |
25b97fac | 298 | |
299 | #if defined(GL_ES_VERSION_2_0) | |
300 | EGLint anEglCtxAttribs[] = | |
301 | { | |
302 | EGL_CONTEXT_CLIENT_VERSION, 2, | |
303 | EGL_NONE | |
304 | }; | |
05e2200b | 305 | if (eglBindAPI (EGL_OPENGL_ES_API) != EGL_TRUE) |
306 | { | |
307 | ::Message::DefaultMessenger()->Send ("Error: EGL does not provide OpenGL ES client!", Message_Fail); | |
308 | return Standard_False; | |
309 | } | |
25b97fac | 310 | #else |
311 | EGLint* anEglCtxAttribs = NULL; | |
05e2200b | 312 | if (eglBindAPI (EGL_OPENGL_API) != EGL_TRUE) |
313 | { | |
314 | ::Message::DefaultMessenger()->Send ("Error: EGL does not provide OpenGL client!", Message_Fail); | |
315 | return Standard_False; | |
316 | } | |
25b97fac | 317 | #endif |
318 | ||
319 | myEglContext = (Aspect_RenderingContext )eglCreateContext ((EGLDisplay )myEglDisplay, myEglConfig, EGL_NO_CONTEXT, anEglCtxAttribs); | |
320 | if ((EGLContext )myEglContext == EGL_NO_CONTEXT) | |
321 | { | |
05e2200b | 322 | ::Message::DefaultMessenger()->Send ("Error: EGL is unable to create OpenGL context!", Message_Fail); |
323 | return Standard_False; | |
25b97fac | 324 | } |
325 | if (eglMakeCurrent ((EGLDisplay )myEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, (EGLContext )myEglContext) != EGL_TRUE) | |
326 | { | |
05e2200b | 327 | ::Message::DefaultMessenger()->Send ("Error: EGL is unable bind OpenGL context!", Message_Fail); |
328 | return Standard_False; | |
25b97fac | 329 | } |
25b97fac | 330 | #endif |
05e2200b | 331 | myIsOwnContext = Standard_True; |
332 | return Standard_True; | |
73192b37 | 333 | } |
334 | ||
d8d01f6e | 335 | #if defined(HAVE_EGL) || defined(__ANDROID__) || defined(__QNX__) |
05e2200b | 336 | // ======================================================================= |
337 | // function : InitEglContext | |
338 | // purpose : | |
339 | // ======================================================================= | |
340 | Standard_Boolean OpenGl_GraphicDriver::InitEglContext (Aspect_Display theEglDisplay, | |
341 | Aspect_RenderingContext theEglContext, | |
342 | void* theEglConfig) | |
343 | { | |
344 | ReleaseContext(); | |
d8d01f6e | 345 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
05e2200b | 346 | if (myDisplayConnection.IsNull()) |
347 | { | |
348 | return Standard_False; | |
349 | } | |
350 | #endif | |
351 | ||
352 | if ((EGLDisplay )theEglDisplay == EGL_NO_DISPLAY | |
353 | || (EGLContext )theEglContext == EGL_NO_CONTEXT | |
354 | || theEglConfig == NULL) | |
355 | { | |
356 | return Standard_False; | |
357 | } | |
358 | myEglDisplay = theEglDisplay; | |
359 | myEglContext = theEglContext; | |
360 | myEglConfig = theEglConfig; | |
361 | return Standard_True; | |
362 | } | |
363 | #endif | |
364 | ||
73192b37 | 365 | // ======================================================================= |
366 | // function : InquireLightLimit | |
367 | // purpose : | |
368 | // ======================================================================= | |
369 | Standard_Integer OpenGl_GraphicDriver::InquireLightLimit() | |
370 | { | |
371 | return OpenGLMaxLights; | |
372 | } | |
373 | ||
374 | // ======================================================================= | |
375 | // function : InquireViewLimit | |
376 | // purpose : | |
377 | // ======================================================================= | |
378 | Standard_Integer OpenGl_GraphicDriver::InquireViewLimit() | |
379 | { | |
380 | return 10000; | |
381 | } | |
382 | ||
383 | // ======================================================================= | |
384 | // function : InquirePlaneLimit | |
385 | // purpose : | |
386 | // ======================================================================= | |
387 | Standard_Integer OpenGl_GraphicDriver::InquirePlaneLimit() | |
388 | { | |
73192b37 | 389 | const Handle(OpenGl_Context)& aCtx = GetSharedContext(); |
89a929ea | 390 | return aCtx.IsNull() ? aCtx->MaxClipPlanes() : 0; |
73192b37 | 391 | } |
392 | ||
f0430952 | 393 | // ======================================================================= |
5e27df78 | 394 | // function : DefaultTextHeight |
f0430952 | 395 | // purpose : |
396 | // ======================================================================= | |
5e27df78 | 397 | Standard_ShortReal OpenGl_GraphicDriver::DefaultTextHeight() const |
2166f0fa | 398 | { |
5e27df78 | 399 | return 16.; |
2166f0fa SK |
400 | } |
401 | ||
f0430952 | 402 | // ======================================================================= |
403 | // function : EnableVBO | |
404 | // purpose : | |
405 | // ======================================================================= | |
2166f0fa | 406 | void OpenGl_GraphicDriver::EnableVBO (const Standard_Boolean theToTurnOn) |
7fd59977 | 407 | { |
58655684 | 408 | myCaps->vboDisable = !theToTurnOn; |
7fd59977 | 409 | } |
f0430952 | 410 | |
5e27df78 | 411 | // ======================================================================= |
412 | // function : GetSharedContext | |
413 | // purpose : | |
414 | // ======================================================================= | |
415 | const Handle(OpenGl_Context)& OpenGl_GraphicDriver::GetSharedContext() const | |
416 | { | |
c357e426 | 417 | if (myMapOfView.IsEmpty()) |
5e27df78 | 418 | { |
419 | return TheNullGlCtx; | |
420 | } | |
421 | ||
c357e426 | 422 | NCollection_Map<Handle(OpenGl_View)>::Iterator anIter (myMapOfView); |
423 | for (; anIter.More(); anIter.Next()) | |
424 | { | |
425 | Handle(OpenGl_Window) aWindow = anIter.Value()->GlWindow(); | |
426 | if (aWindow.IsNull()) | |
427 | { | |
428 | continue; | |
429 | } | |
430 | ||
431 | return aWindow->GetGlContext(); | |
432 | } | |
433 | ||
434 | return TheNullGlCtx; | |
5e27df78 | 435 | } |
436 | ||
f0430952 | 437 | // ======================================================================= |
438 | // function : MemoryInfo | |
439 | // purpose : | |
440 | // ======================================================================= | |
441 | Standard_Boolean OpenGl_GraphicDriver::MemoryInfo (Standard_Size& theFreeBytes, | |
442 | TCollection_AsciiString& theInfo) const | |
443 | { | |
444 | // this is extra work (for OpenGl_Context initialization)... | |
445 | OpenGl_Context aGlCtx; | |
446 | if (!aGlCtx.Init()) | |
447 | { | |
448 | return Standard_False; | |
449 | } | |
450 | theFreeBytes = aGlCtx.AvailableMemory(); | |
451 | theInfo = aGlCtx.MemoryInfo(); | |
452 | return !theInfo.IsEmpty(); | |
453 | } | |
1981cb22 | 454 | |
455 | // ======================================================================= | |
c357e426 | 456 | // function : SetBuffersNoSwap |
1981cb22 | 457 | // purpose : |
458 | // ======================================================================= | |
c357e426 | 459 | void OpenGl_GraphicDriver::SetBuffersNoSwap (const Standard_Boolean theIsNoSwap) |
1981cb22 | 460 | { |
c357e426 | 461 | myCaps->buffersNoSwap = theIsNoSwap; |
1981cb22 | 462 | } |
463 | ||
a174a3c5 | 464 | // ======================================================================= |
c357e426 | 465 | // function : TextSize |
a174a3c5 | 466 | // purpose : |
467 | // ======================================================================= | |
4b1c8733 | 468 | void OpenGl_GraphicDriver::TextSize (const Handle(Graphic3d_CView)& theView, |
469 | const Standard_CString theText, | |
470 | const Standard_ShortReal theHeight, | |
471 | Standard_ShortReal& theWidth, | |
472 | Standard_ShortReal& theAscent, | |
473 | Standard_ShortReal& theDescent) const | |
a174a3c5 | 474 | { |
c357e426 | 475 | const Handle(OpenGl_Context)& aCtx = GetSharedContext(); |
476 | if (aCtx.IsNull()) | |
a174a3c5 | 477 | { |
c357e426 | 478 | return; |
a174a3c5 | 479 | } |
480 | ||
c357e426 | 481 | const Standard_ShortReal aHeight = (theHeight < 2.0f) ? DefaultTextHeight() : theHeight; |
482 | OpenGl_TextParam aTextParam; | |
483 | aTextParam.Height = (int )aHeight; | |
484 | OpenGl_AspectText aTextAspect; | |
b6472664 | 485 | aTextAspect.Aspect()->SetSpace (0.3); |
c357e426 | 486 | TCollection_ExtendedString anExtText = theText; |
487 | NCollection_String aText = (Standard_Utf16Char* )anExtText.ToExtString(); | |
4b1c8733 | 488 | OpenGl_Text::StringSize(aCtx, aText, aTextAspect, aTextParam, theView->RenderingParams().Resolution, theWidth, theAscent, theDescent); |
a174a3c5 | 489 | } |
490 | ||
c357e426 | 491 | //======================================================================= |
492 | //function : AddZLayer | |
493 | //purpose : | |
494 | //======================================================================= | |
495 | void OpenGl_GraphicDriver::AddZLayer (const Graphic3d_ZLayerId theLayerId) | |
a174a3c5 | 496 | { |
c357e426 | 497 | if (theLayerId < 1) |
536d98e2 | 498 | { |
c357e426 | 499 | Standard_ASSERT_RAISE (theLayerId > 0, |
500 | "OpenGl_GraphicDriver::AddZLayer, " | |
501 | "negative and zero IDs are reserved"); | |
536d98e2 | 502 | } |
503 | ||
c357e426 | 504 | myLayerIds.Add (theLayerId); |
505 | myLayerSeq.Append (theLayerId); | |
a174a3c5 | 506 | |
c357e426 | 507 | // Default z-layer settings |
508 | myMapOfZLayerSettings.Bind (theLayerId, Graphic3d_ZLayerSettings()); | |
509 | ||
510 | // Add layer to all views | |
511 | NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); | |
512 | for (; aViewIt.More(); aViewIt.Next()) | |
a174a3c5 | 513 | { |
c357e426 | 514 | aViewIt.Value()->AddZLayer (theLayerId); |
a174a3c5 | 515 | } |
516 | } | |
517 | ||
c357e426 | 518 | //======================================================================= |
519 | //function : RemoveZLayer | |
520 | //purpose : | |
521 | //======================================================================= | |
522 | void OpenGl_GraphicDriver::RemoveZLayer (const Graphic3d_ZLayerId theLayerId) | |
a174a3c5 | 523 | { |
c357e426 | 524 | Standard_ASSERT_RAISE (theLayerId > 0, |
525 | "OpenGl_GraphicDriver::AddZLayer, " | |
526 | "negative and zero IDs are reserved" | |
527 | "and can not be removed"); | |
528 | ||
529 | Standard_ASSERT_RAISE (myLayerIds.Contains (theLayerId), | |
530 | "OpenGl_GraphicDriver::RemoveZLayer, " | |
531 | "Layer with theLayerId does not exist"); | |
532 | ||
533 | // Remove layer from all of the views | |
534 | NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); | |
535 | for (; aViewIt.More(); aViewIt.Next()) | |
536 | { | |
537 | aViewIt.Value()->RemoveZLayer (theLayerId); | |
538 | } | |
539 | ||
540 | // Unset Z layer for all of the structures. | |
541 | NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure); | |
542 | for( ; aStructIt.More (); aStructIt.Next ()) | |
a174a3c5 | 543 | { |
c357e426 | 544 | OpenGl_Structure* aStruct = aStructIt.ChangeValue (); |
545 | if (aStruct->ZLayer() == theLayerId) | |
546 | aStruct->SetZLayer (Graphic3d_ZLayerId_Default); | |
a174a3c5 | 547 | } |
c357e426 | 548 | |
549 | // Remove index | |
550 | for (int aIdx = 1; aIdx <= myLayerSeq.Length (); aIdx++) | |
551 | { | |
552 | if (myLayerSeq (aIdx) == theLayerId) | |
553 | { | |
554 | myLayerSeq.Remove (aIdx); | |
555 | break; | |
556 | } | |
557 | } | |
558 | ||
559 | myMapOfZLayerSettings.UnBind (theLayerId); | |
560 | myLayerIds.Remove (theLayerId); | |
a174a3c5 | 561 | } |
562 | ||
c357e426 | 563 | //======================================================================= |
564 | //function : ZLayers | |
565 | //purpose : | |
566 | //======================================================================= | |
567 | void OpenGl_GraphicDriver::ZLayers (TColStd_SequenceOfInteger& theLayerSeq) const | |
a174a3c5 | 568 | { |
c357e426 | 569 | theLayerSeq.Assign (myLayerSeq); |
a174a3c5 | 570 | } |
571 | ||
c357e426 | 572 | //======================================================================= |
573 | //function : SetZLayerSettings | |
574 | //purpose : | |
575 | //======================================================================= | |
576 | void OpenGl_GraphicDriver::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId, | |
577 | const Graphic3d_ZLayerSettings& theSettings) | |
a174a3c5 | 578 | { |
c357e426 | 579 | // Change Z layer settings in all managed views |
580 | NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); | |
581 | for (; aViewIt.More(); aViewIt.Next()) | |
a174a3c5 | 582 | { |
c357e426 | 583 | aViewIt.Value()->SetZLayerSettings (theLayerId, theSettings); |
a174a3c5 | 584 | } |
585 | ||
c357e426 | 586 | if (myMapOfZLayerSettings.IsBound (theLayerId)) |
587 | { | |
588 | myMapOfZLayerSettings.ChangeFind (theLayerId) = theSettings; | |
589 | } | |
590 | else | |
591 | { | |
592 | myMapOfZLayerSettings.Bind (theLayerId, theSettings); | |
593 | } | |
a174a3c5 | 594 | } |
595 | ||
c357e426 | 596 | //======================================================================= |
597 | //function : ZLayerSettings | |
598 | //purpose : | |
599 | //======================================================================= | |
600 | Graphic3d_ZLayerSettings OpenGl_GraphicDriver::ZLayerSettings (const Graphic3d_ZLayerId theLayerId) | |
a174a3c5 | 601 | { |
c357e426 | 602 | Standard_ASSERT_RAISE (myLayerIds.Contains (theLayerId), |
603 | "OpenGl_GraphicDriver::ZLayerSettings, " | |
604 | "Layer with theLayerId does not exist"); | |
605 | ||
606 | return myMapOfZLayerSettings.Find (theLayerId); | |
a174a3c5 | 607 | } |
608 | ||
609 | // ======================================================================= | |
c357e426 | 610 | // function : Structure |
a174a3c5 | 611 | // purpose : |
612 | // ======================================================================= | |
c357e426 | 613 | Handle(Graphic3d_CStructure) OpenGl_GraphicDriver::CreateStructure (const Handle(Graphic3d_StructureManager)& theManager) |
a174a3c5 | 614 | { |
c357e426 | 615 | Handle(OpenGl_Structure) aStructure = new OpenGl_Structure (theManager); |
616 | myMapOfStructure.Bind (aStructure->Id, aStructure.operator->()); | |
617 | return aStructure; | |
a174a3c5 | 618 | } |
619 | ||
620 | // ======================================================================= | |
c357e426 | 621 | // function : Structure |
a174a3c5 | 622 | // purpose : |
623 | // ======================================================================= | |
c357e426 | 624 | void OpenGl_GraphicDriver::RemoveStructure (Handle(Graphic3d_CStructure)& theCStructure) |
a174a3c5 | 625 | { |
c357e426 | 626 | OpenGl_Structure* aStructure = NULL; |
627 | if (!myMapOfStructure.Find (theCStructure->Id, aStructure)) | |
a174a3c5 | 628 | { |
c357e426 | 629 | return; |
a174a3c5 | 630 | } |
c357e426 | 631 | |
632 | myMapOfStructure.UnBind (theCStructure->Id); | |
633 | aStructure->Release (GetSharedContext()); | |
634 | theCStructure.Nullify(); | |
a174a3c5 | 635 | } |
636 | ||
637 | // ======================================================================= | |
c357e426 | 638 | // function : View |
a174a3c5 | 639 | // purpose : |
640 | // ======================================================================= | |
c357e426 | 641 | Handle(Graphic3d_CView) OpenGl_GraphicDriver::CreateView (const Handle(Graphic3d_StructureManager)& theMgr) |
a174a3c5 | 642 | { |
c357e426 | 643 | Handle(OpenGl_View) aView = new OpenGl_View (theMgr, this, myCaps, myDeviceLostFlag, &myStateCounter); |
644 | ||
645 | myMapOfView.Add (aView); | |
646 | ||
647 | for (TColStd_SequenceOfInteger::Iterator aLayerIt (myLayerSeq); aLayerIt.More(); aLayerIt.Next()) | |
a174a3c5 | 648 | { |
c357e426 | 649 | const Graphic3d_ZLayerId aLayerID = aLayerIt.Value(); |
650 | const Graphic3d_ZLayerSettings& aSettings = myMapOfZLayerSettings.Find (aLayerID); | |
651 | aView->AddZLayer (aLayerID); | |
652 | aView->SetZLayerSettings (aLayerID, aSettings); | |
a174a3c5 | 653 | } |
c357e426 | 654 | |
655 | return aView; | |
a174a3c5 | 656 | } |
657 | ||
658 | // ======================================================================= | |
c357e426 | 659 | // function : RemoveView |
a174a3c5 | 660 | // purpose : |
661 | // ======================================================================= | |
c357e426 | 662 | void OpenGl_GraphicDriver::RemoveView (const Handle(Graphic3d_CView)& theView) |
a174a3c5 | 663 | { |
c357e426 | 664 | Handle(OpenGl_Context) aCtx = GetSharedContext(); |
665 | Handle(OpenGl_View) aView = Handle(OpenGl_View)::DownCast (theView); | |
666 | if (aView.IsNull()) | |
a174a3c5 | 667 | { |
c357e426 | 668 | return; |
a174a3c5 | 669 | } |
a174a3c5 | 670 | |
c357e426 | 671 | if (!myMapOfView.Remove (aView)) |
672 | { | |
673 | return; | |
674 | } | |
675 | ||
676 | Handle(OpenGl_Window) aWindow = aView->GlWindow(); | |
677 | if (!aWindow.IsNull() | |
678 | && aWindow->GetGlContext()->MakeCurrent()) | |
a79f67f8 | 679 | { |
c357e426 | 680 | aCtx = aWindow->GetGlContext(); |
681 | } | |
682 | else | |
683 | { | |
684 | // try to hijack another context if any | |
685 | const Handle(OpenGl_Context)& anOtherCtx = GetSharedContext(); | |
686 | if (!anOtherCtx.IsNull() | |
687 | && anOtherCtx != aWindow->GetGlContext()) | |
688 | { | |
689 | aCtx = anOtherCtx; | |
690 | aCtx->MakeCurrent(); | |
691 | } | |
692 | } | |
693 | ||
694 | aView->ReleaseGlResources (aCtx); | |
695 | if (myMapOfView.IsEmpty()) | |
696 | { | |
697 | // The last view removed but some objects still present. | |
698 | // Release GL resources now without object destruction. | |
699 | for (NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure); | |
700 | aStructIt.More (); aStructIt.Next()) | |
701 | { | |
702 | OpenGl_Structure* aStruct = aStructIt.ChangeValue(); | |
703 | aStruct->ReleaseGlResources (aCtx); | |
704 | } | |
705 | myDeviceLostFlag = !myMapOfStructure.IsEmpty(); | |
a79f67f8 | 706 | } |
a174a3c5 | 707 | } |
62e1beed | 708 | |
709 | // ======================================================================= | |
c357e426 | 710 | // function : Window |
62e1beed | 711 | // purpose : |
712 | // ======================================================================= | |
c357e426 | 713 | Handle(OpenGl_Window) OpenGl_GraphicDriver::CreateRenderWindow (const Handle(Aspect_Window)& theWindow, |
714 | const Aspect_RenderingContext theContext) | |
62e1beed | 715 | { |
c357e426 | 716 | Handle(OpenGl_Context) aShareCtx = GetSharedContext(); |
717 | Handle(OpenGl_Window) aWindow = new OpenGl_Window (this, theWindow, theContext, myCaps, aShareCtx); | |
718 | return aWindow; | |
62e1beed | 719 | } |
27f85086 | 720 | |
c357e426 | 721 | //======================================================================= |
722 | //function : ViewExists | |
723 | //purpose : | |
724 | //======================================================================= | |
725 | Standard_Boolean OpenGl_GraphicDriver::ViewExists (const Handle(Aspect_Window)& AWindow, Handle(Graphic3d_CView)& theView) | |
27f85086 | 726 | { |
c357e426 | 727 | Standard_Boolean isExist = Standard_False; |
728 | ||
729 | // Parse the list of views to find | |
730 | // a view with the specified window | |
731 | ||
732 | #if defined(_WIN32) | |
733 | const Handle(WNT_Window) THEWindow = Handle(WNT_Window)::DownCast (AWindow); | |
734 | Aspect_Handle TheSpecifiedWindowId = THEWindow->HWindow (); | |
735 | #elif defined(__APPLE__) && !defined(MACOSX_USE_GLX) | |
736 | const Handle(Cocoa_Window) THEWindow = Handle(Cocoa_Window)::DownCast (AWindow); | |
737 | #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | |
738 | UIView* TheSpecifiedWindowId = THEWindow->HView(); | |
739 | #else | |
740 | NSView* TheSpecifiedWindowId = THEWindow->HView(); | |
741 | #endif | |
d8d01f6e | 742 | #elif defined(__ANDROID__) || defined(__QNX__) |
20aeeb7b | 743 | (void )AWindow; |
c357e426 | 744 | int TheSpecifiedWindowId = -1; |
745 | #else | |
746 | const Handle(Xw_Window) THEWindow = Handle(Xw_Window)::DownCast (AWindow); | |
747 | int TheSpecifiedWindowId = int (THEWindow->XWindow ()); | |
748 | #endif | |
749 | ||
750 | NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); | |
751 | for(; aViewIt.More(); aViewIt.Next()) | |
27f85086 | 752 | { |
c357e426 | 753 | const Handle(OpenGl_View)& aView = aViewIt.Value(); |
754 | if (aView->IsDefined() && aView->IsActive()) | |
755 | { | |
756 | const Handle(Aspect_Window) AspectWindow = aView->Window(); | |
757 | ||
758 | #if defined(_WIN32) | |
759 | const Handle(WNT_Window) theWindow = Handle(WNT_Window)::DownCast (AspectWindow); | |
760 | Aspect_Handle TheWindowIdOfView = theWindow->HWindow (); | |
761 | #elif defined(__APPLE__) && !defined(MACOSX_USE_GLX) | |
762 | const Handle(Cocoa_Window) theWindow = Handle(Cocoa_Window)::DownCast (AspectWindow); | |
763 | #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | |
764 | UIView* TheWindowIdOfView = theWindow->HView(); | |
765 | #else | |
766 | NSView* TheWindowIdOfView = theWindow->HView(); | |
767 | #endif | |
d8d01f6e | 768 | #elif defined(__ANDROID__) || defined(__QNX__) |
c357e426 | 769 | int TheWindowIdOfView = 0; |
770 | #else | |
771 | const Handle(Xw_Window) theWindow = Handle(Xw_Window)::DownCast (AspectWindow); | |
772 | int TheWindowIdOfView = int (theWindow->XWindow ()); | |
773 | #endif // WNT | |
774 | // Comparaison on window IDs | |
775 | if (TheWindowIdOfView == TheSpecifiedWindowId) | |
776 | { | |
777 | isExist = Standard_True; | |
778 | theView = aView; | |
779 | } | |
780 | } | |
27f85086 | 781 | } |
782 | ||
c357e426 | 783 | return isExist; |
27f85086 | 784 | } |