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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 | |
1ce0716b | 16 | #if defined(_WIN32) |
17 | #include <windows.h> | |
18 | #endif | |
19 | ||
2166f0fa | 20 | #include <OpenGl_GraphicDriver.hxx> |
f0430952 | 21 | #include <OpenGl_Context.hxx> |
938d4544 | 22 | #include <OpenGl_Flipper.hxx> |
a174a3c5 | 23 | #include <OpenGl_GraduatedTrihedron.hxx> |
24 | #include <OpenGl_Group.hxx> | |
2166f0fa | 25 | #include <OpenGl_View.hxx> |
a6eb515f | 26 | #include <OpenGl_StencilTest.hxx> |
a174a3c5 | 27 | #include <OpenGl_Text.hxx> |
2166f0fa | 28 | #include <OpenGl_Workspace.hxx> |
7fd59977 | 29 | |
25b97fac | 30 | #include <Aspect_GraphicDeviceDefinitionError.hxx> |
c357e426 | 31 | #include <Aspect_IdentDefinitionError.hxx> |
25b97fac | 32 | #include <Message_Messenger.hxx> |
73192b37 | 33 | #include <OSD_Environment.hxx> |
a174a3c5 | 34 | #include <Standard_NotImplemented.hxx> |
35 | ||
92efcf78 | 36 | IMPLEMENT_STANDARD_RTTIEXT(OpenGl_GraphicDriver,Graphic3d_GraphicDriver) |
37 | ||
c357e426 | 38 | #if defined(_WIN32) |
39 | #include <WNT_Window.hxx> | |
40 | #elif defined(__APPLE__) && !defined(MACOSX_USE_GLX) | |
41 | #include <Cocoa_Window.hxx> | |
42 | #else | |
43 | #include <Xw_Window.hxx> | |
44 | #endif | |
45 | ||
d8d01f6e | 46 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
73192b37 | 47 | #include <X11/Xlib.h> // XOpenDisplay() |
48 | #endif | |
49 | ||
1ce0716b | 50 | #if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__) |
25b97fac | 51 | #include <EGL/egl.h> |
52 | #endif | |
53 | ||
2166f0fa SK |
54 | namespace |
55 | { | |
5e27df78 | 56 | static const Handle(OpenGl_Context) TheNullGlCtx; |
7fd59977 | 57 | } |
58 | ||
65993a95 | 59 | // ======================================================================= |
60 | // function : OpenGl_GraphicDriver | |
61 | // purpose : | |
62 | // ======================================================================= | |
25b97fac | 63 | OpenGl_GraphicDriver::OpenGl_GraphicDriver (const Handle(Aspect_DisplayConnection)& theDisp, |
05e2200b | 64 | const Standard_Boolean theToInitialize) |
fe9fc669 | 65 | : Graphic3d_GraphicDriver (theDisp), |
05e2200b | 66 | myIsOwnContext (Standard_False), |
1ce0716b | 67 | #if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__) |
25b97fac | 68 | myEglDisplay ((Aspect_Display )EGL_NO_DISPLAY), |
69 | myEglContext ((Aspect_RenderingContext )EGL_NO_CONTEXT), | |
70 | myEglConfig (NULL), | |
71 | #endif | |
65993a95 | 72 | myCaps (new OpenGl_Caps()), |
73 | myMapOfView (1, NCollection_BaseAllocator::CommonBaseAllocator()), | |
a521d90d | 74 | myMapOfStructure (1, NCollection_BaseAllocator::CommonBaseAllocator()) |
65993a95 | 75 | { |
d8d01f6e | 76 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
73192b37 | 77 | if (myDisplayConnection.IsNull()) |
78 | { | |
9775fa61 | 79 | //throw Aspect_GraphicDeviceDefinitionError("OpenGl_GraphicDriver: cannot connect to X server!"); |
fe9fc669 | 80 | return; |
73192b37 | 81 | } |
82 | ||
73192b37 | 83 | Display* aDisplay = myDisplayConnection->GetDisplay(); |
84 | Bool toSync = ::getenv ("CSF_GraphicSync") != NULL | |
85 | || ::getenv ("CALL_SYNCHRO_X") != NULL; | |
86 | XSynchronize (aDisplay, toSync); | |
87 | ||
1ce0716b | 88 | #if !defined(HAVE_EGL) && !defined(HAVE_GLES2) |
73192b37 | 89 | // does the server know about OpenGL & GLX? |
90 | int aDummy; | |
91 | if (!XQueryExtension (aDisplay, "GLX", &aDummy, &aDummy, &aDummy)) | |
92 | { | |
05e2200b | 93 | ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, this system doesn't appear to support OpenGL!", Message_Warning); |
73192b37 | 94 | } |
95 | #endif | |
25b97fac | 96 | #endif |
05e2200b | 97 | if (theToInitialize |
98 | && !InitContext()) | |
99 | { | |
9775fa61 | 100 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_GraphicDriver: default context can not be initialized!"); |
05e2200b | 101 | } |
c357e426 | 102 | |
103 | // default layers are always presented in display layer sequence it can not be removed | |
7c3ef2f7 | 104 | { |
105 | Graphic3d_ZLayerSettings aSettings; | |
106 | aSettings.SetImmediate (Standard_False); | |
107 | aSettings.SetEnvironmentTexture (Standard_False); | |
108 | aSettings.SetEnableDepthTest (Standard_False); | |
109 | aSettings.SetEnableDepthWrite (Standard_False); | |
110 | aSettings.SetClearDepth (Standard_False); | |
111 | aSettings.SetPolygonOffset (Graphic3d_PolygonOffset()); | |
112 | myLayerIds.Add (Graphic3d_ZLayerId_BotOSD); | |
113 | myLayerSeq.Append (Graphic3d_ZLayerId_BotOSD); | |
114 | myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_BotOSD, aSettings); | |
115 | } | |
116 | ||
117 | { | |
118 | Graphic3d_ZLayerSettings aSettings; | |
119 | aSettings.SetImmediate (Standard_False); | |
120 | aSettings.SetEnvironmentTexture (Standard_True); | |
121 | aSettings.SetEnableDepthTest (Standard_True); | |
122 | aSettings.SetEnableDepthWrite (Standard_True); | |
123 | aSettings.SetClearDepth (Standard_False); | |
124 | aSettings.SetPolygonOffset (Graphic3d_PolygonOffset()); | |
125 | myLayerIds.Add (Graphic3d_ZLayerId_Default); | |
126 | myLayerSeq.Append (Graphic3d_ZLayerId_Default); | |
127 | myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_Default, aSettings); | |
128 | } | |
129 | ||
130 | { | |
131 | Graphic3d_ZLayerSettings aSettings; | |
132 | aSettings.SetImmediate (Standard_True); | |
133 | aSettings.SetEnvironmentTexture (Standard_True); | |
134 | aSettings.SetEnableDepthTest (Standard_True); | |
135 | aSettings.SetEnableDepthWrite (Standard_True); | |
136 | aSettings.SetClearDepth (Standard_False); | |
137 | aSettings.SetPolygonOffset (Graphic3d_PolygonOffset()); | |
138 | myLayerIds.Add (Graphic3d_ZLayerId_Top); | |
139 | myLayerSeq.Append (Graphic3d_ZLayerId_Top); | |
140 | myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_Top, aSettings); | |
141 | } | |
142 | ||
143 | { | |
144 | Graphic3d_ZLayerSettings aSettings; | |
145 | aSettings.SetImmediate (Standard_True); | |
146 | aSettings.SetEnvironmentTexture (Standard_True); | |
147 | aSettings.SetEnableDepthTest (Standard_True); | |
148 | aSettings.SetEnableDepthWrite (Standard_True); | |
149 | aSettings.SetClearDepth (Standard_True); | |
150 | aSettings.SetPolygonOffset (Graphic3d_PolygonOffset()); | |
151 | myLayerIds.Add (Graphic3d_ZLayerId_Topmost); | |
152 | myLayerSeq.Append (Graphic3d_ZLayerId_Topmost); | |
153 | myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_Topmost, aSettings); | |
154 | } | |
155 | ||
156 | { | |
157 | Graphic3d_ZLayerSettings aSettings; | |
158 | aSettings.SetImmediate (Standard_True); | |
159 | aSettings.SetEnvironmentTexture (Standard_False); | |
160 | aSettings.SetEnableDepthTest (Standard_False); | |
161 | aSettings.SetEnableDepthWrite (Standard_False); | |
162 | aSettings.SetClearDepth (Standard_False); | |
163 | aSettings.SetPolygonOffset (Graphic3d_PolygonOffset()); | |
164 | myLayerIds.Add (Graphic3d_ZLayerId_TopOSD); | |
165 | myLayerSeq.Append (Graphic3d_ZLayerId_TopOSD); | |
166 | myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_TopOSD, aSettings); | |
167 | } | |
05e2200b | 168 | } |
25b97fac | 169 | |
05e2200b | 170 | // ======================================================================= |
171 | // function : ~OpenGl_GraphicDriver | |
172 | // purpose : | |
173 | // ======================================================================= | |
174 | OpenGl_GraphicDriver::~OpenGl_GraphicDriver() | |
175 | { | |
176 | ReleaseContext(); | |
177 | } | |
178 | ||
179 | // ======================================================================= | |
180 | // function : ReleaseContext | |
181 | // purpose : | |
182 | // ======================================================================= | |
183 | void OpenGl_GraphicDriver::ReleaseContext() | |
184 | { | |
185 | Handle(OpenGl_Context) aCtxShared; | |
c357e426 | 186 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); |
187 | aViewIter.More(); aViewIter.Next()) | |
25b97fac | 188 | { |
9775fa61 | 189 | const Handle(OpenGl_View)& aView = aViewIter.Value(); |
c357e426 | 190 | const Handle(OpenGl_Window)& aWindow = aView->GlWindow(); |
191 | if (aWindow.IsNull()) | |
192 | { | |
193 | continue; | |
194 | } | |
195 | ||
196 | const Handle(OpenGl_Context)& aCtx = aWindow->GetGlContext(); | |
05e2200b | 197 | if (aCtx->MakeCurrent() |
198 | && aCtxShared.IsNull()) | |
25b97fac | 199 | { |
05e2200b | 200 | aCtxShared = aCtx; |
25b97fac | 201 | } |
05e2200b | 202 | } |
203 | ||
204 | if (!aCtxShared.IsNull()) | |
205 | { | |
206 | aCtxShared->MakeCurrent(); | |
207 | } | |
a272ed94 | 208 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); |
05e2200b | 209 | aViewIter.More(); aViewIter.Next()) |
210 | { | |
9775fa61 | 211 | const Handle(OpenGl_View)& aView = aViewIter.Value(); |
05e2200b | 212 | aView->ReleaseGlResources (aCtxShared); |
213 | } | |
214 | ||
215 | for (NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure); | |
216 | aStructIt.More (); aStructIt.Next()) | |
217 | { | |
218 | OpenGl_Structure* aStruct = aStructIt.ChangeValue(); | |
219 | aStruct->ReleaseGlResources (aCtxShared); | |
220 | } | |
05e2200b | 221 | myDeviceLostFlag = myDeviceLostFlag || !myMapOfStructure.IsEmpty(); |
222 | ||
c357e426 | 223 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); |
224 | aViewIter.More(); aViewIter.Next()) | |
05e2200b | 225 | { |
9775fa61 | 226 | const Handle(OpenGl_View)& aView = aViewIter.Value(); |
c357e426 | 227 | const Handle(OpenGl_Window)& aWindow = aView->GlWindow(); |
228 | if (aWindow.IsNull()) | |
229 | { | |
230 | continue; | |
231 | } | |
232 | ||
233 | aWindow->GetGlContext()->forcedRelease(); | |
05e2200b | 234 | } |
25b97fac | 235 | |
1ce0716b | 236 | #if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__) |
05e2200b | 237 | if (myIsOwnContext) |
238 | { | |
239 | if (myEglContext != (Aspect_RenderingContext )EGL_NO_CONTEXT) | |
25b97fac | 240 | { |
05e2200b | 241 | if (eglMakeCurrent ((EGLDisplay )myEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT) != EGL_TRUE) |
242 | { | |
243 | ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, FAILED to release OpenGL context!", Message_Warning); | |
244 | } | |
245 | eglDestroyContext ((EGLDisplay )myEglDisplay, (EGLContext )myEglContext); | |
246 | } | |
25b97fac | 247 | |
05e2200b | 248 | if (myEglDisplay != (Aspect_Display )EGL_NO_DISPLAY) |
25b97fac | 249 | { |
05e2200b | 250 | if (eglTerminate ((EGLDisplay )myEglDisplay) != EGL_TRUE) |
251 | { | |
252 | ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, EGL, eglTerminate FAILED!", Message_Warning); | |
253 | } | |
25b97fac | 254 | } |
25b97fac | 255 | } |
256 | ||
05e2200b | 257 | myEglDisplay = (Aspect_Display )EGL_NO_DISPLAY; |
258 | myEglContext = (Aspect_RenderingContext )EGL_NO_CONTEXT; | |
259 | myEglConfig = NULL; | |
260 | #endif | |
261 | myIsOwnContext = Standard_False; | |
262 | } | |
263 | ||
264 | // ======================================================================= | |
265 | // function : InitContext | |
266 | // purpose : | |
267 | // ======================================================================= | |
268 | Standard_Boolean OpenGl_GraphicDriver::InitContext() | |
269 | { | |
270 | ReleaseContext(); | |
1ce0716b | 271 | #if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__) |
05e2200b | 272 | |
d8d01f6e | 273 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
05e2200b | 274 | if (myDisplayConnection.IsNull()) |
275 | { | |
276 | return Standard_False; | |
277 | } | |
278 | Display* aDisplay = myDisplayConnection->GetDisplay(); | |
25b97fac | 279 | myEglDisplay = (Aspect_Display )eglGetDisplay (aDisplay); |
280 | #else | |
281 | myEglDisplay = (Aspect_Display )eglGetDisplay (EGL_DEFAULT_DISPLAY); | |
282 | #endif | |
283 | if ((EGLDisplay )myEglDisplay == EGL_NO_DISPLAY) | |
284 | { | |
05e2200b | 285 | ::Message::DefaultMessenger()->Send ("Error: no EGL display!", Message_Fail); |
286 | return Standard_False; | |
25b97fac | 287 | } |
288 | ||
289 | EGLint aVerMajor = 0; EGLint aVerMinor = 0; | |
290 | if (eglInitialize ((EGLDisplay )myEglDisplay, &aVerMajor, &aVerMinor) != EGL_TRUE) | |
291 | { | |
05e2200b | 292 | ::Message::DefaultMessenger()->Send ("Error: EGL display is unavailable!", Message_Fail); |
293 | return Standard_False; | |
25b97fac | 294 | } |
295 | ||
05e2200b | 296 | EGLint aConfigAttribs[] = |
25b97fac | 297 | { |
298 | EGL_RED_SIZE, 8, | |
299 | EGL_GREEN_SIZE, 8, | |
300 | EGL_BLUE_SIZE, 8, | |
301 | EGL_ALPHA_SIZE, 0, | |
302 | EGL_DEPTH_SIZE, 24, | |
303 | EGL_STENCIL_SIZE, 8, | |
304 | #if defined(GL_ES_VERSION_2_0) | |
305 | EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, | |
306 | #else | |
307 | EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, | |
308 | #endif | |
309 | EGL_NONE | |
310 | }; | |
311 | ||
312 | EGLint aNbConfigs = 0; | |
05e2200b | 313 | if (eglChooseConfig ((EGLDisplay )myEglDisplay, aConfigAttribs, &myEglConfig, 1, &aNbConfigs) != EGL_TRUE |
314 | || myEglConfig == NULL) | |
25b97fac | 315 | { |
05e2200b | 316 | eglGetError(); |
317 | aConfigAttribs[4 * 2 + 1] = 16; // try config with smaller depth buffer | |
318 | if (eglChooseConfig ((EGLDisplay )myEglDisplay, aConfigAttribs, &myEglConfig, 1, &aNbConfigs) != EGL_TRUE | |
319 | || myEglConfig == NULL) | |
320 | { | |
321 | ::Message::DefaultMessenger()->Send ("Error: EGL does not provide compatible configurations!", Message_Fail); | |
322 | return Standard_False; | |
323 | } | |
25b97fac | 324 | } |
25b97fac | 325 | |
326 | #if defined(GL_ES_VERSION_2_0) | |
327 | EGLint anEglCtxAttribs[] = | |
328 | { | |
329 | EGL_CONTEXT_CLIENT_VERSION, 2, | |
330 | EGL_NONE | |
331 | }; | |
05e2200b | 332 | if (eglBindAPI (EGL_OPENGL_ES_API) != EGL_TRUE) |
333 | { | |
334 | ::Message::DefaultMessenger()->Send ("Error: EGL does not provide OpenGL ES client!", Message_Fail); | |
335 | return Standard_False; | |
336 | } | |
25b97fac | 337 | #else |
338 | EGLint* anEglCtxAttribs = NULL; | |
05e2200b | 339 | if (eglBindAPI (EGL_OPENGL_API) != EGL_TRUE) |
340 | { | |
341 | ::Message::DefaultMessenger()->Send ("Error: EGL does not provide OpenGL client!", Message_Fail); | |
342 | return Standard_False; | |
343 | } | |
25b97fac | 344 | #endif |
345 | ||
346 | myEglContext = (Aspect_RenderingContext )eglCreateContext ((EGLDisplay )myEglDisplay, myEglConfig, EGL_NO_CONTEXT, anEglCtxAttribs); | |
347 | if ((EGLContext )myEglContext == EGL_NO_CONTEXT) | |
348 | { | |
05e2200b | 349 | ::Message::DefaultMessenger()->Send ("Error: EGL is unable to create OpenGL context!", Message_Fail); |
350 | return Standard_False; | |
25b97fac | 351 | } |
1ce0716b | 352 | // eglMakeCurrent() fails or even crash with EGL_NO_SURFACE on some implementations |
353 | //if (eglMakeCurrent ((EGLDisplay )myEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, (EGLContext )myEglContext) != EGL_TRUE) | |
354 | //{ | |
355 | // ::Message::DefaultMessenger()->Send ("Error: EGL is unable bind OpenGL context!", Message_Fail); | |
356 | // return Standard_False; | |
357 | //} | |
25b97fac | 358 | #endif |
05e2200b | 359 | myIsOwnContext = Standard_True; |
360 | return Standard_True; | |
73192b37 | 361 | } |
362 | ||
1ce0716b | 363 | #if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__) |
05e2200b | 364 | // ======================================================================= |
365 | // function : InitEglContext | |
366 | // purpose : | |
367 | // ======================================================================= | |
368 | Standard_Boolean OpenGl_GraphicDriver::InitEglContext (Aspect_Display theEglDisplay, | |
369 | Aspect_RenderingContext theEglContext, | |
370 | void* theEglConfig) | |
371 | { | |
372 | ReleaseContext(); | |
d8d01f6e | 373 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
05e2200b | 374 | if (myDisplayConnection.IsNull()) |
375 | { | |
376 | return Standard_False; | |
377 | } | |
378 | #endif | |
379 | ||
380 | if ((EGLDisplay )theEglDisplay == EGL_NO_DISPLAY | |
381 | || (EGLContext )theEglContext == EGL_NO_CONTEXT | |
382 | || theEglConfig == NULL) | |
383 | { | |
384 | return Standard_False; | |
385 | } | |
386 | myEglDisplay = theEglDisplay; | |
387 | myEglContext = theEglContext; | |
388 | myEglConfig = theEglConfig; | |
389 | return Standard_True; | |
390 | } | |
391 | #endif | |
392 | ||
73192b37 | 393 | // ======================================================================= |
3bffef55 | 394 | // function : InquireLimit |
73192b37 | 395 | // purpose : |
396 | // ======================================================================= | |
3bffef55 | 397 | Standard_Integer OpenGl_GraphicDriver::InquireLimit (const Graphic3d_TypeOfLimit theType) const |
73192b37 | 398 | { |
73192b37 | 399 | const Handle(OpenGl_Context)& aCtx = GetSharedContext(); |
3bffef55 | 400 | switch (theType) |
401 | { | |
402 | case Graphic3d_TypeOfLimit_MaxNbLights: | |
403 | return OpenGLMaxLights; | |
404 | case Graphic3d_TypeOfLimit_MaxNbClipPlanes: | |
405 | return !aCtx.IsNull() ? aCtx->MaxClipPlanes() : 0; | |
406 | case Graphic3d_TypeOfLimit_MaxNbViews: | |
407 | return 10000; | |
408 | case Graphic3d_TypeOfLimit_MaxTextureSize: | |
409 | return !aCtx.IsNull() ? aCtx->MaxTextureSize() : 1024; | |
410 | case Graphic3d_TypeOfLimit_MaxMsaa: | |
411 | return !aCtx.IsNull() ? aCtx->MaxMsaaSamples() : 0; | |
3a9b5dc8 | 412 | case Graphic3d_TypeOfLimit_HasRayTracing: |
413 | return (!aCtx.IsNull() && aCtx->HasRayTracing()) ? 1 : 0; | |
414 | case Graphic3d_TypeOfLimit_HasRayTracingTextures: | |
415 | return (!aCtx.IsNull() && aCtx->HasRayTracingTextures()) ? 1 : 0; | |
416 | case Graphic3d_TypeOfLimit_HasRayTracingAdaptiveSampling: | |
417 | return (!aCtx.IsNull() && aCtx->HasRayTracingAdaptiveSampling()) ? 1 : 0; | |
3bffef55 | 418 | case Graphic3d_TypeOfLimit_NB: |
419 | return 0; | |
420 | } | |
421 | return 0; | |
73192b37 | 422 | } |
423 | ||
f0430952 | 424 | // ======================================================================= |
5e27df78 | 425 | // function : DefaultTextHeight |
f0430952 | 426 | // purpose : |
427 | // ======================================================================= | |
5e27df78 | 428 | Standard_ShortReal OpenGl_GraphicDriver::DefaultTextHeight() const |
2166f0fa | 429 | { |
5e27df78 | 430 | return 16.; |
2166f0fa SK |
431 | } |
432 | ||
f0430952 | 433 | // ======================================================================= |
434 | // function : EnableVBO | |
435 | // purpose : | |
436 | // ======================================================================= | |
2166f0fa | 437 | void OpenGl_GraphicDriver::EnableVBO (const Standard_Boolean theToTurnOn) |
7fd59977 | 438 | { |
58655684 | 439 | myCaps->vboDisable = !theToTurnOn; |
7fd59977 | 440 | } |
f0430952 | 441 | |
5e27df78 | 442 | // ======================================================================= |
443 | // function : GetSharedContext | |
444 | // purpose : | |
445 | // ======================================================================= | |
446 | const Handle(OpenGl_Context)& OpenGl_GraphicDriver::GetSharedContext() const | |
447 | { | |
c357e426 | 448 | if (myMapOfView.IsEmpty()) |
5e27df78 | 449 | { |
450 | return TheNullGlCtx; | |
451 | } | |
452 | ||
c357e426 | 453 | NCollection_Map<Handle(OpenGl_View)>::Iterator anIter (myMapOfView); |
454 | for (; anIter.More(); anIter.Next()) | |
455 | { | |
456 | Handle(OpenGl_Window) aWindow = anIter.Value()->GlWindow(); | |
457 | if (aWindow.IsNull()) | |
458 | { | |
459 | continue; | |
460 | } | |
461 | ||
462 | return aWindow->GetGlContext(); | |
463 | } | |
464 | ||
465 | return TheNullGlCtx; | |
5e27df78 | 466 | } |
467 | ||
f0430952 | 468 | // ======================================================================= |
469 | // function : MemoryInfo | |
470 | // purpose : | |
471 | // ======================================================================= | |
472 | Standard_Boolean OpenGl_GraphicDriver::MemoryInfo (Standard_Size& theFreeBytes, | |
473 | TCollection_AsciiString& theInfo) const | |
474 | { | |
475 | // this is extra work (for OpenGl_Context initialization)... | |
476 | OpenGl_Context aGlCtx; | |
477 | if (!aGlCtx.Init()) | |
478 | { | |
479 | return Standard_False; | |
480 | } | |
481 | theFreeBytes = aGlCtx.AvailableMemory(); | |
482 | theInfo = aGlCtx.MemoryInfo(); | |
483 | return !theInfo.IsEmpty(); | |
484 | } | |
1981cb22 | 485 | |
486 | // ======================================================================= | |
c357e426 | 487 | // function : SetBuffersNoSwap |
1981cb22 | 488 | // purpose : |
489 | // ======================================================================= | |
c357e426 | 490 | void OpenGl_GraphicDriver::SetBuffersNoSwap (const Standard_Boolean theIsNoSwap) |
1981cb22 | 491 | { |
c357e426 | 492 | myCaps->buffersNoSwap = theIsNoSwap; |
1981cb22 | 493 | } |
494 | ||
a174a3c5 | 495 | // ======================================================================= |
c357e426 | 496 | // function : TextSize |
a174a3c5 | 497 | // purpose : |
498 | // ======================================================================= | |
4b1c8733 | 499 | void OpenGl_GraphicDriver::TextSize (const Handle(Graphic3d_CView)& theView, |
500 | const Standard_CString theText, | |
501 | const Standard_ShortReal theHeight, | |
502 | Standard_ShortReal& theWidth, | |
503 | Standard_ShortReal& theAscent, | |
504 | Standard_ShortReal& theDescent) const | |
a174a3c5 | 505 | { |
c357e426 | 506 | const Handle(OpenGl_Context)& aCtx = GetSharedContext(); |
507 | if (aCtx.IsNull()) | |
a174a3c5 | 508 | { |
c357e426 | 509 | return; |
a174a3c5 | 510 | } |
511 | ||
c357e426 | 512 | const Standard_ShortReal aHeight = (theHeight < 2.0f) ? DefaultTextHeight() : theHeight; |
513 | OpenGl_TextParam aTextParam; | |
514 | aTextParam.Height = (int )aHeight; | |
515 | OpenGl_AspectText aTextAspect; | |
b6472664 | 516 | aTextAspect.Aspect()->SetSpace (0.3); |
c357e426 | 517 | TCollection_ExtendedString anExtText = theText; |
fb0b0531 | 518 | NCollection_String aText (anExtText.ToExtString()); |
4b1c8733 | 519 | OpenGl_Text::StringSize(aCtx, aText, aTextAspect, aTextParam, theView->RenderingParams().Resolution, theWidth, theAscent, theDescent); |
a174a3c5 | 520 | } |
521 | ||
1593b4ee | 522 | //======================================================================= |
523 | //function : addZLayerIndex | |
524 | //purpose : | |
525 | //======================================================================= | |
526 | void OpenGl_GraphicDriver::addZLayerIndex (const Graphic3d_ZLayerId theLayerId) | |
527 | { | |
528 | // remove index | |
529 | for (TColStd_SequenceOfInteger::Iterator aLayerIt (myLayerSeq); aLayerIt.More(); aLayerIt.Next()) | |
530 | { | |
531 | if (aLayerIt.Value() == theLayerId) | |
532 | { | |
533 | myLayerSeq.Remove (aLayerIt); | |
534 | break; | |
535 | } | |
536 | } | |
537 | ||
7c3ef2f7 | 538 | if (myMapOfZLayerSettings.Find (theLayerId).IsImmediate()) |
1593b4ee | 539 | { |
540 | myLayerSeq.Append (theLayerId); | |
541 | return; | |
542 | } | |
543 | ||
544 | for (TColStd_SequenceOfInteger::Iterator aLayerIt (myLayerSeq); aLayerIt.More(); aLayerIt.Next()) | |
545 | { | |
546 | const Graphic3d_ZLayerSettings& aSettings = myMapOfZLayerSettings.Find (aLayerIt.Value()); | |
7c3ef2f7 | 547 | if (aSettings.IsImmediate()) |
1593b4ee | 548 | { |
549 | aLayerIt.Previous(); | |
550 | if (aLayerIt.More()) | |
551 | { | |
552 | myLayerSeq.InsertAfter (aLayerIt, theLayerId); | |
553 | return; | |
554 | } | |
555 | ||
556 | // first non-immediate layer | |
557 | myLayerSeq.Prepend (theLayerId); | |
558 | return; | |
559 | } | |
560 | } | |
561 | ||
562 | // no immediate layers | |
563 | myLayerSeq.Append (theLayerId); | |
564 | } | |
565 | ||
c357e426 | 566 | //======================================================================= |
567 | //function : AddZLayer | |
568 | //purpose : | |
569 | //======================================================================= | |
570 | void OpenGl_GraphicDriver::AddZLayer (const Graphic3d_ZLayerId theLayerId) | |
a174a3c5 | 571 | { |
c357e426 | 572 | if (theLayerId < 1) |
536d98e2 | 573 | { |
c357e426 | 574 | Standard_ASSERT_RAISE (theLayerId > 0, |
575 | "OpenGl_GraphicDriver::AddZLayer, " | |
576 | "negative and zero IDs are reserved"); | |
536d98e2 | 577 | } |
578 | ||
1593b4ee | 579 | myLayerIds.Add (theLayerId); |
a174a3c5 | 580 | |
c357e426 | 581 | // Default z-layer settings |
582 | myMapOfZLayerSettings.Bind (theLayerId, Graphic3d_ZLayerSettings()); | |
1593b4ee | 583 | addZLayerIndex (theLayerId); |
c357e426 | 584 | |
585 | // Add layer to all views | |
586 | NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); | |
587 | for (; aViewIt.More(); aViewIt.Next()) | |
a174a3c5 | 588 | { |
c357e426 | 589 | aViewIt.Value()->AddZLayer (theLayerId); |
a174a3c5 | 590 | } |
591 | } | |
592 | ||
c357e426 | 593 | //======================================================================= |
594 | //function : RemoveZLayer | |
595 | //purpose : | |
596 | //======================================================================= | |
597 | void OpenGl_GraphicDriver::RemoveZLayer (const Graphic3d_ZLayerId theLayerId) | |
a174a3c5 | 598 | { |
c357e426 | 599 | Standard_ASSERT_RAISE (theLayerId > 0, |
600 | "OpenGl_GraphicDriver::AddZLayer, " | |
601 | "negative and zero IDs are reserved" | |
602 | "and can not be removed"); | |
603 | ||
604 | Standard_ASSERT_RAISE (myLayerIds.Contains (theLayerId), | |
605 | "OpenGl_GraphicDriver::RemoveZLayer, " | |
606 | "Layer with theLayerId does not exist"); | |
607 | ||
608 | // Remove layer from all of the views | |
609 | NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); | |
610 | for (; aViewIt.More(); aViewIt.Next()) | |
611 | { | |
612 | aViewIt.Value()->RemoveZLayer (theLayerId); | |
613 | } | |
614 | ||
615 | // Unset Z layer for all of the structures. | |
616 | NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure); | |
617 | for( ; aStructIt.More (); aStructIt.Next ()) | |
a174a3c5 | 618 | { |
c357e426 | 619 | OpenGl_Structure* aStruct = aStructIt.ChangeValue (); |
620 | if (aStruct->ZLayer() == theLayerId) | |
621 | aStruct->SetZLayer (Graphic3d_ZLayerId_Default); | |
a174a3c5 | 622 | } |
c357e426 | 623 | |
624 | // Remove index | |
1593b4ee | 625 | for (TColStd_SequenceOfInteger::Iterator aLayerIt (myLayerSeq); aLayerIt.More(); aLayerIt.Next()) |
c357e426 | 626 | { |
1593b4ee | 627 | if (aLayerIt.Value() == theLayerId) |
c357e426 | 628 | { |
1593b4ee | 629 | myLayerSeq.Remove (aLayerIt); |
c357e426 | 630 | break; |
631 | } | |
632 | } | |
633 | ||
634 | myMapOfZLayerSettings.UnBind (theLayerId); | |
635 | myLayerIds.Remove (theLayerId); | |
a174a3c5 | 636 | } |
637 | ||
c357e426 | 638 | //======================================================================= |
639 | //function : ZLayers | |
640 | //purpose : | |
641 | //======================================================================= | |
642 | void OpenGl_GraphicDriver::ZLayers (TColStd_SequenceOfInteger& theLayerSeq) const | |
a174a3c5 | 643 | { |
c357e426 | 644 | theLayerSeq.Assign (myLayerSeq); |
a174a3c5 | 645 | } |
646 | ||
c357e426 | 647 | //======================================================================= |
648 | //function : SetZLayerSettings | |
649 | //purpose : | |
650 | //======================================================================= | |
651 | void OpenGl_GraphicDriver::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId, | |
652 | const Graphic3d_ZLayerSettings& theSettings) | |
a174a3c5 | 653 | { |
1593b4ee | 654 | Graphic3d_ZLayerSettings* aSettings = myMapOfZLayerSettings.ChangeSeek (theLayerId); |
655 | if (aSettings != NULL) | |
c357e426 | 656 | { |
7c3ef2f7 | 657 | const bool isChanged = (aSettings->IsImmediate() != theSettings.IsImmediate()); |
1593b4ee | 658 | *aSettings = theSettings; |
659 | if (isChanged) | |
660 | { | |
661 | addZLayerIndex (theLayerId); | |
662 | } | |
c357e426 | 663 | } |
664 | else | |
665 | { | |
1593b4ee | 666 | // abnormal case |
c357e426 | 667 | myMapOfZLayerSettings.Bind (theLayerId, theSettings); |
1593b4ee | 668 | addZLayerIndex (theLayerId); |
c357e426 | 669 | } |
7c3ef2f7 | 670 | |
671 | // Change Z layer settings in all managed views | |
672 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); aViewIt.More(); aViewIt.Next()) | |
673 | { | |
674 | aViewIt.Value()->SetZLayerSettings (theLayerId, theSettings); | |
675 | } | |
a174a3c5 | 676 | } |
677 | ||
c357e426 | 678 | //======================================================================= |
679 | //function : ZLayerSettings | |
680 | //purpose : | |
681 | //======================================================================= | |
7c3ef2f7 | 682 | const Graphic3d_ZLayerSettings& OpenGl_GraphicDriver::ZLayerSettings (const Graphic3d_ZLayerId theLayerId) const |
a174a3c5 | 683 | { |
c357e426 | 684 | Standard_ASSERT_RAISE (myLayerIds.Contains (theLayerId), |
685 | "OpenGl_GraphicDriver::ZLayerSettings, " | |
686 | "Layer with theLayerId does not exist"); | |
687 | ||
688 | return myMapOfZLayerSettings.Find (theLayerId); | |
a174a3c5 | 689 | } |
690 | ||
691 | // ======================================================================= | |
c357e426 | 692 | // function : Structure |
a174a3c5 | 693 | // purpose : |
694 | // ======================================================================= | |
c357e426 | 695 | Handle(Graphic3d_CStructure) OpenGl_GraphicDriver::CreateStructure (const Handle(Graphic3d_StructureManager)& theManager) |
a174a3c5 | 696 | { |
c357e426 | 697 | Handle(OpenGl_Structure) aStructure = new OpenGl_Structure (theManager); |
698 | myMapOfStructure.Bind (aStructure->Id, aStructure.operator->()); | |
699 | return aStructure; | |
a174a3c5 | 700 | } |
701 | ||
702 | // ======================================================================= | |
c357e426 | 703 | // function : Structure |
a174a3c5 | 704 | // purpose : |
705 | // ======================================================================= | |
c357e426 | 706 | void OpenGl_GraphicDriver::RemoveStructure (Handle(Graphic3d_CStructure)& theCStructure) |
a174a3c5 | 707 | { |
c357e426 | 708 | OpenGl_Structure* aStructure = NULL; |
709 | if (!myMapOfStructure.Find (theCStructure->Id, aStructure)) | |
a174a3c5 | 710 | { |
c357e426 | 711 | return; |
a174a3c5 | 712 | } |
c357e426 | 713 | |
714 | myMapOfStructure.UnBind (theCStructure->Id); | |
715 | aStructure->Release (GetSharedContext()); | |
716 | theCStructure.Nullify(); | |
a174a3c5 | 717 | } |
718 | ||
719 | // ======================================================================= | |
c357e426 | 720 | // function : View |
a174a3c5 | 721 | // purpose : |
722 | // ======================================================================= | |
c357e426 | 723 | Handle(Graphic3d_CView) OpenGl_GraphicDriver::CreateView (const Handle(Graphic3d_StructureManager)& theMgr) |
a174a3c5 | 724 | { |
c357e426 | 725 | Handle(OpenGl_View) aView = new OpenGl_View (theMgr, this, myCaps, myDeviceLostFlag, &myStateCounter); |
726 | ||
727 | myMapOfView.Add (aView); | |
728 | ||
729 | for (TColStd_SequenceOfInteger::Iterator aLayerIt (myLayerSeq); aLayerIt.More(); aLayerIt.Next()) | |
a174a3c5 | 730 | { |
c357e426 | 731 | const Graphic3d_ZLayerId aLayerID = aLayerIt.Value(); |
732 | const Graphic3d_ZLayerSettings& aSettings = myMapOfZLayerSettings.Find (aLayerID); | |
733 | aView->AddZLayer (aLayerID); | |
734 | aView->SetZLayerSettings (aLayerID, aSettings); | |
a174a3c5 | 735 | } |
c357e426 | 736 | |
737 | return aView; | |
a174a3c5 | 738 | } |
739 | ||
740 | // ======================================================================= | |
c357e426 | 741 | // function : RemoveView |
a174a3c5 | 742 | // purpose : |
743 | // ======================================================================= | |
c357e426 | 744 | void OpenGl_GraphicDriver::RemoveView (const Handle(Graphic3d_CView)& theView) |
a174a3c5 | 745 | { |
c357e426 | 746 | Handle(OpenGl_Context) aCtx = GetSharedContext(); |
747 | Handle(OpenGl_View) aView = Handle(OpenGl_View)::DownCast (theView); | |
748 | if (aView.IsNull()) | |
a174a3c5 | 749 | { |
c357e426 | 750 | return; |
a174a3c5 | 751 | } |
a174a3c5 | 752 | |
c357e426 | 753 | if (!myMapOfView.Remove (aView)) |
754 | { | |
755 | return; | |
756 | } | |
757 | ||
758 | Handle(OpenGl_Window) aWindow = aView->GlWindow(); | |
759 | if (!aWindow.IsNull() | |
760 | && aWindow->GetGlContext()->MakeCurrent()) | |
a79f67f8 | 761 | { |
c357e426 | 762 | aCtx = aWindow->GetGlContext(); |
763 | } | |
764 | else | |
765 | { | |
766 | // try to hijack another context if any | |
767 | const Handle(OpenGl_Context)& anOtherCtx = GetSharedContext(); | |
768 | if (!anOtherCtx.IsNull() | |
769 | && anOtherCtx != aWindow->GetGlContext()) | |
770 | { | |
771 | aCtx = anOtherCtx; | |
772 | aCtx->MakeCurrent(); | |
773 | } | |
774 | } | |
775 | ||
776 | aView->ReleaseGlResources (aCtx); | |
777 | if (myMapOfView.IsEmpty()) | |
778 | { | |
779 | // The last view removed but some objects still present. | |
780 | // Release GL resources now without object destruction. | |
781 | for (NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure); | |
782 | aStructIt.More (); aStructIt.Next()) | |
783 | { | |
784 | OpenGl_Structure* aStruct = aStructIt.ChangeValue(); | |
785 | aStruct->ReleaseGlResources (aCtx); | |
786 | } | |
787 | myDeviceLostFlag = !myMapOfStructure.IsEmpty(); | |
a79f67f8 | 788 | } |
a174a3c5 | 789 | } |
62e1beed | 790 | |
791 | // ======================================================================= | |
c357e426 | 792 | // function : Window |
62e1beed | 793 | // purpose : |
794 | // ======================================================================= | |
c357e426 | 795 | Handle(OpenGl_Window) OpenGl_GraphicDriver::CreateRenderWindow (const Handle(Aspect_Window)& theWindow, |
796 | const Aspect_RenderingContext theContext) | |
62e1beed | 797 | { |
c357e426 | 798 | Handle(OpenGl_Context) aShareCtx = GetSharedContext(); |
799 | Handle(OpenGl_Window) aWindow = new OpenGl_Window (this, theWindow, theContext, myCaps, aShareCtx); | |
800 | return aWindow; | |
62e1beed | 801 | } |
27f85086 | 802 | |
c357e426 | 803 | //======================================================================= |
804 | //function : ViewExists | |
805 | //purpose : | |
806 | //======================================================================= | |
807 | Standard_Boolean OpenGl_GraphicDriver::ViewExists (const Handle(Aspect_Window)& AWindow, Handle(Graphic3d_CView)& theView) | |
27f85086 | 808 | { |
c357e426 | 809 | Standard_Boolean isExist = Standard_False; |
810 | ||
811 | // Parse the list of views to find | |
812 | // a view with the specified window | |
813 | ||
1ce0716b | 814 | #if defined(_WIN32) && !defined(OCCT_UWP) |
c357e426 | 815 | const Handle(WNT_Window) THEWindow = Handle(WNT_Window)::DownCast (AWindow); |
816 | Aspect_Handle TheSpecifiedWindowId = THEWindow->HWindow (); | |
817 | #elif defined(__APPLE__) && !defined(MACOSX_USE_GLX) | |
818 | const Handle(Cocoa_Window) THEWindow = Handle(Cocoa_Window)::DownCast (AWindow); | |
819 | #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | |
820 | UIView* TheSpecifiedWindowId = THEWindow->HView(); | |
821 | #else | |
822 | NSView* TheSpecifiedWindowId = THEWindow->HView(); | |
823 | #endif | |
1ce0716b | 824 | #elif defined(__ANDROID__) || defined(__QNX__) || defined(OCCT_UWP) |
20aeeb7b | 825 | (void )AWindow; |
c357e426 | 826 | int TheSpecifiedWindowId = -1; |
827 | #else | |
828 | const Handle(Xw_Window) THEWindow = Handle(Xw_Window)::DownCast (AWindow); | |
829 | int TheSpecifiedWindowId = int (THEWindow->XWindow ()); | |
830 | #endif | |
831 | ||
832 | NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); | |
833 | for(; aViewIt.More(); aViewIt.Next()) | |
27f85086 | 834 | { |
c357e426 | 835 | const Handle(OpenGl_View)& aView = aViewIt.Value(); |
836 | if (aView->IsDefined() && aView->IsActive()) | |
837 | { | |
838 | const Handle(Aspect_Window) AspectWindow = aView->Window(); | |
839 | ||
1ce0716b | 840 | #if defined(_WIN32) && !defined(OCCT_UWP) |
c357e426 | 841 | const Handle(WNT_Window) theWindow = Handle(WNT_Window)::DownCast (AspectWindow); |
842 | Aspect_Handle TheWindowIdOfView = theWindow->HWindow (); | |
843 | #elif defined(__APPLE__) && !defined(MACOSX_USE_GLX) | |
844 | const Handle(Cocoa_Window) theWindow = Handle(Cocoa_Window)::DownCast (AspectWindow); | |
845 | #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | |
846 | UIView* TheWindowIdOfView = theWindow->HView(); | |
847 | #else | |
848 | NSView* TheWindowIdOfView = theWindow->HView(); | |
849 | #endif | |
1ce0716b | 850 | #elif defined(__ANDROID__) || defined(__QNX__) || defined(OCCT_UWP) |
c357e426 | 851 | int TheWindowIdOfView = 0; |
852 | #else | |
853 | const Handle(Xw_Window) theWindow = Handle(Xw_Window)::DownCast (AspectWindow); | |
854 | int TheWindowIdOfView = int (theWindow->XWindow ()); | |
855 | #endif // WNT | |
856 | // Comparaison on window IDs | |
857 | if (TheWindowIdOfView == TheSpecifiedWindowId) | |
858 | { | |
859 | isExist = Standard_True; | |
860 | theView = aView; | |
861 | } | |
862 | } | |
27f85086 | 863 | } |
864 | ||
c357e426 | 865 | return isExist; |
27f85086 | 866 | } |