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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> |
851dacdb | 32 | #include <Graphic3d_StructureManager.hxx> |
25b97fac | 33 | #include <Message_Messenger.hxx> |
73192b37 | 34 | #include <OSD_Environment.hxx> |
a174a3c5 | 35 | #include <Standard_NotImplemented.hxx> |
36 | ||
92efcf78 | 37 | IMPLEMENT_STANDARD_RTTIEXT(OpenGl_GraphicDriver,Graphic3d_GraphicDriver) |
38 | ||
c357e426 | 39 | #if defined(_WIN32) |
40 | #include <WNT_Window.hxx> | |
41 | #elif defined(__APPLE__) && !defined(MACOSX_USE_GLX) | |
42 | #include <Cocoa_Window.hxx> | |
43 | #else | |
44 | #include <Xw_Window.hxx> | |
45 | #endif | |
46 | ||
565baee6 | 47 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && !defined(__EMSCRIPTEN__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
73192b37 | 48 | #include <X11/Xlib.h> // XOpenDisplay() |
49 | #endif | |
50 | ||
565baee6 | 51 | #if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__) || defined(__EMSCRIPTEN__) |
25b97fac | 52 | #include <EGL/egl.h> |
9aceb23d | 53 | #ifndef EGL_OPENGL_ES3_BIT |
54 | #define EGL_OPENGL_ES3_BIT 0x00000040 | |
55 | #endif | |
25b97fac | 56 | #endif |
57 | ||
2166f0fa SK |
58 | namespace |
59 | { | |
5e27df78 | 60 | static const Handle(OpenGl_Context) TheNullGlCtx; |
39235bed | 61 | |
565baee6 | 62 | #if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__) || defined(__EMSCRIPTEN__) |
39235bed | 63 | //! Wrapper over eglChooseConfig() called with preferred defaults. |
64 | static EGLConfig chooseEglSurfConfig (EGLDisplay theDisplay) | |
65 | { | |
66 | EGLint aConfigAttribs[] = | |
67 | { | |
68 | EGL_RED_SIZE, 8, | |
69 | EGL_GREEN_SIZE, 8, | |
70 | EGL_BLUE_SIZE, 8, | |
71 | EGL_ALPHA_SIZE, 0, | |
72 | EGL_DEPTH_SIZE, 24, | |
73 | EGL_STENCIL_SIZE, 8, | |
74 | #if defined(GL_ES_VERSION_2_0) | |
75 | EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, | |
76 | #else | |
77 | EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, | |
78 | #endif | |
79 | EGL_NONE | |
80 | }; | |
81 | ||
82 | EGLConfig aCfg = NULL; | |
83 | EGLint aNbConfigs = 0; | |
9aceb23d | 84 | for (Standard_Integer aGlesVer = 3; aGlesVer >= 2; --aGlesVer) |
39235bed | 85 | { |
9aceb23d | 86 | #if defined(GL_ES_VERSION_2_0) |
87 | aConfigAttribs[6 * 2 + 1] = aGlesVer == 3 ? EGL_OPENGL_ES3_BIT : EGL_OPENGL_ES2_BIT; | |
88 | #else | |
89 | if (aGlesVer == 2) | |
90 | { | |
91 | break; | |
92 | } | |
93 | #endif | |
39235bed | 94 | |
9aceb23d | 95 | if (eglChooseConfig (theDisplay, aConfigAttribs, &aCfg, 1, &aNbConfigs) == EGL_TRUE |
96 | && aCfg != NULL) | |
97 | { | |
98 | return aCfg; | |
99 | } | |
100 | eglGetError(); | |
101 | ||
102 | aConfigAttribs[4 * 2 + 1] = 16; // try config with smaller depth buffer | |
103 | if (eglChooseConfig (theDisplay, aConfigAttribs, &aCfg, 1, &aNbConfigs) == EGL_TRUE | |
104 | && aCfg != NULL) | |
105 | { | |
106 | return aCfg; | |
107 | } | |
39235bed | 108 | eglGetError(); |
109 | } | |
110 | return aCfg; | |
111 | } | |
112 | #endif | |
7fd59977 | 113 | } |
114 | ||
65993a95 | 115 | // ======================================================================= |
116 | // function : OpenGl_GraphicDriver | |
117 | // purpose : | |
118 | // ======================================================================= | |
25b97fac | 119 | OpenGl_GraphicDriver::OpenGl_GraphicDriver (const Handle(Aspect_DisplayConnection)& theDisp, |
05e2200b | 120 | const Standard_Boolean theToInitialize) |
fe9fc669 | 121 | : Graphic3d_GraphicDriver (theDisp), |
05e2200b | 122 | myIsOwnContext (Standard_False), |
565baee6 | 123 | #if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__) || defined(__EMSCRIPTEN__) |
25b97fac | 124 | myEglDisplay ((Aspect_Display )EGL_NO_DISPLAY), |
125 | myEglContext ((Aspect_RenderingContext )EGL_NO_CONTEXT), | |
126 | myEglConfig (NULL), | |
127 | #endif | |
65993a95 | 128 | myCaps (new OpenGl_Caps()), |
129 | myMapOfView (1, NCollection_BaseAllocator::CommonBaseAllocator()), | |
a521d90d | 130 | myMapOfStructure (1, NCollection_BaseAllocator::CommonBaseAllocator()) |
65993a95 | 131 | { |
565baee6 | 132 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && !defined(__EMSCRIPTEN__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
73192b37 | 133 | if (myDisplayConnection.IsNull()) |
134 | { | |
9775fa61 | 135 | //throw Aspect_GraphicDeviceDefinitionError("OpenGl_GraphicDriver: cannot connect to X server!"); |
fe9fc669 | 136 | return; |
73192b37 | 137 | } |
138 | ||
73192b37 | 139 | Display* aDisplay = myDisplayConnection->GetDisplay(); |
140 | Bool toSync = ::getenv ("CSF_GraphicSync") != NULL | |
141 | || ::getenv ("CALL_SYNCHRO_X") != NULL; | |
142 | XSynchronize (aDisplay, toSync); | |
143 | ||
1ce0716b | 144 | #if !defined(HAVE_EGL) && !defined(HAVE_GLES2) |
73192b37 | 145 | // does the server know about OpenGL & GLX? |
146 | int aDummy; | |
147 | if (!XQueryExtension (aDisplay, "GLX", &aDummy, &aDummy, &aDummy)) | |
148 | { | |
05e2200b | 149 | ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, this system doesn't appear to support OpenGL!", Message_Warning); |
73192b37 | 150 | } |
151 | #endif | |
25b97fac | 152 | #endif |
05e2200b | 153 | if (theToInitialize |
154 | && !InitContext()) | |
155 | { | |
9775fa61 | 156 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_GraphicDriver: default context can not be initialized!"); |
05e2200b | 157 | } |
158 | } | |
25b97fac | 159 | |
05e2200b | 160 | // ======================================================================= |
161 | // function : ~OpenGl_GraphicDriver | |
162 | // purpose : | |
163 | // ======================================================================= | |
164 | OpenGl_GraphicDriver::~OpenGl_GraphicDriver() | |
165 | { | |
166 | ReleaseContext(); | |
167 | } | |
168 | ||
169 | // ======================================================================= | |
170 | // function : ReleaseContext | |
171 | // purpose : | |
172 | // ======================================================================= | |
173 | void OpenGl_GraphicDriver::ReleaseContext() | |
174 | { | |
175 | Handle(OpenGl_Context) aCtxShared; | |
c357e426 | 176 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); |
177 | aViewIter.More(); aViewIter.Next()) | |
25b97fac | 178 | { |
9775fa61 | 179 | const Handle(OpenGl_View)& aView = aViewIter.Value(); |
c357e426 | 180 | const Handle(OpenGl_Window)& aWindow = aView->GlWindow(); |
181 | if (aWindow.IsNull()) | |
182 | { | |
183 | continue; | |
184 | } | |
185 | ||
186 | const Handle(OpenGl_Context)& aCtx = aWindow->GetGlContext(); | |
05e2200b | 187 | if (aCtx->MakeCurrent() |
188 | && aCtxShared.IsNull()) | |
25b97fac | 189 | { |
05e2200b | 190 | aCtxShared = aCtx; |
25b97fac | 191 | } |
05e2200b | 192 | } |
193 | ||
194 | if (!aCtxShared.IsNull()) | |
195 | { | |
196 | aCtxShared->MakeCurrent(); | |
197 | } | |
a272ed94 | 198 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); |
05e2200b | 199 | aViewIter.More(); aViewIter.Next()) |
200 | { | |
9775fa61 | 201 | const Handle(OpenGl_View)& aView = aViewIter.Value(); |
05e2200b | 202 | aView->ReleaseGlResources (aCtxShared); |
203 | } | |
204 | ||
205 | for (NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure); | |
206 | aStructIt.More (); aStructIt.Next()) | |
207 | { | |
208 | OpenGl_Structure* aStruct = aStructIt.ChangeValue(); | |
209 | aStruct->ReleaseGlResources (aCtxShared); | |
210 | } | |
05e2200b | 211 | |
851dacdb | 212 | const bool isDeviceLost = !myMapOfStructure.IsEmpty(); |
c357e426 | 213 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); |
214 | aViewIter.More(); aViewIter.Next()) | |
05e2200b | 215 | { |
9775fa61 | 216 | const Handle(OpenGl_View)& aView = aViewIter.Value(); |
851dacdb | 217 | if (isDeviceLost) |
218 | { | |
219 | aView->StructureManager()->SetDeviceLost(); | |
220 | } | |
221 | ||
c357e426 | 222 | const Handle(OpenGl_Window)& aWindow = aView->GlWindow(); |
223 | if (aWindow.IsNull()) | |
224 | { | |
225 | continue; | |
226 | } | |
227 | ||
228 | aWindow->GetGlContext()->forcedRelease(); | |
05e2200b | 229 | } |
25b97fac | 230 | |
565baee6 | 231 | #if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__) || defined(__EMSCRIPTEN__) |
05e2200b | 232 | if (myIsOwnContext) |
233 | { | |
234 | if (myEglContext != (Aspect_RenderingContext )EGL_NO_CONTEXT) | |
25b97fac | 235 | { |
05e2200b | 236 | if (eglMakeCurrent ((EGLDisplay )myEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT) != EGL_TRUE) |
237 | { | |
238 | ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, FAILED to release OpenGL context!", Message_Warning); | |
239 | } | |
240 | eglDestroyContext ((EGLDisplay )myEglDisplay, (EGLContext )myEglContext); | |
241 | } | |
25b97fac | 242 | |
05e2200b | 243 | if (myEglDisplay != (Aspect_Display )EGL_NO_DISPLAY) |
25b97fac | 244 | { |
05e2200b | 245 | if (eglTerminate ((EGLDisplay )myEglDisplay) != EGL_TRUE) |
246 | { | |
247 | ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, EGL, eglTerminate FAILED!", Message_Warning); | |
248 | } | |
25b97fac | 249 | } |
25b97fac | 250 | } |
251 | ||
05e2200b | 252 | myEglDisplay = (Aspect_Display )EGL_NO_DISPLAY; |
253 | myEglContext = (Aspect_RenderingContext )EGL_NO_CONTEXT; | |
254 | myEglConfig = NULL; | |
255 | #endif | |
256 | myIsOwnContext = Standard_False; | |
257 | } | |
258 | ||
259 | // ======================================================================= | |
260 | // function : InitContext | |
261 | // purpose : | |
262 | // ======================================================================= | |
263 | Standard_Boolean OpenGl_GraphicDriver::InitContext() | |
264 | { | |
265 | ReleaseContext(); | |
565baee6 | 266 | #if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__) || defined(__EMSCRIPTEN__) |
05e2200b | 267 | |
565baee6 | 268 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && !defined(__EMSCRIPTEN__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
05e2200b | 269 | if (myDisplayConnection.IsNull()) |
270 | { | |
271 | return Standard_False; | |
272 | } | |
273 | Display* aDisplay = myDisplayConnection->GetDisplay(); | |
25b97fac | 274 | myEglDisplay = (Aspect_Display )eglGetDisplay (aDisplay); |
275 | #else | |
276 | myEglDisplay = (Aspect_Display )eglGetDisplay (EGL_DEFAULT_DISPLAY); | |
277 | #endif | |
278 | if ((EGLDisplay )myEglDisplay == EGL_NO_DISPLAY) | |
279 | { | |
05e2200b | 280 | ::Message::DefaultMessenger()->Send ("Error: no EGL display!", Message_Fail); |
281 | return Standard_False; | |
25b97fac | 282 | } |
283 | ||
284 | EGLint aVerMajor = 0; EGLint aVerMinor = 0; | |
285 | if (eglInitialize ((EGLDisplay )myEglDisplay, &aVerMajor, &aVerMinor) != EGL_TRUE) | |
286 | { | |
05e2200b | 287 | ::Message::DefaultMessenger()->Send ("Error: EGL display is unavailable!", Message_Fail); |
288 | return Standard_False; | |
25b97fac | 289 | } |
290 | ||
39235bed | 291 | myEglConfig = chooseEglSurfConfig ((EGLDisplay )myEglDisplay); |
292 | if (myEglConfig == NULL) | |
25b97fac | 293 | { |
39235bed | 294 | ::Message::DefaultMessenger()->Send ("Error: EGL does not provide compatible configurations!", Message_Fail); |
295 | return Standard_False; | |
25b97fac | 296 | } |
25b97fac | 297 | |
298 | #if defined(GL_ES_VERSION_2_0) | |
9aceb23d | 299 | EGLint anEglCtxAttribs3[] = { EGL_CONTEXT_CLIENT_VERSION, 3, EGL_NONE, EGL_NONE }; |
300 | EGLint anEglCtxAttribs2[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE, EGL_NONE }; | |
05e2200b | 301 | if (eglBindAPI (EGL_OPENGL_ES_API) != EGL_TRUE) |
302 | { | |
303 | ::Message::DefaultMessenger()->Send ("Error: EGL does not provide OpenGL ES client!", Message_Fail); | |
304 | return Standard_False; | |
305 | } | |
59515ca6 | 306 | if (myCaps->contextMajorVersionUpper != 2) |
307 | { | |
308 | myEglContext = (Aspect_RenderingContext )eglCreateContext ((EGLDisplay )myEglDisplay, myEglConfig, EGL_NO_CONTEXT, anEglCtxAttribs3); | |
309 | } | |
9aceb23d | 310 | if ((EGLContext )myEglContext == EGL_NO_CONTEXT) |
311 | { | |
312 | myEglContext = (Aspect_RenderingContext )eglCreateContext ((EGLDisplay )myEglDisplay, myEglConfig, EGL_NO_CONTEXT, anEglCtxAttribs2); | |
313 | } | |
25b97fac | 314 | #else |
315 | EGLint* anEglCtxAttribs = NULL; | |
05e2200b | 316 | if (eglBindAPI (EGL_OPENGL_API) != EGL_TRUE) |
317 | { | |
318 | ::Message::DefaultMessenger()->Send ("Error: EGL does not provide OpenGL client!", Message_Fail); | |
319 | return Standard_False; | |
320 | } | |
9aceb23d | 321 | myEglContext = (Aspect_RenderingContext )eglCreateContext ((EGLDisplay )myEglDisplay, myEglConfig, EGL_NO_CONTEXT, anEglCtxAttribs); |
25b97fac | 322 | #endif |
323 | ||
25b97fac | 324 | if ((EGLContext )myEglContext == EGL_NO_CONTEXT) |
325 | { | |
05e2200b | 326 | ::Message::DefaultMessenger()->Send ("Error: EGL is unable to create OpenGL context!", Message_Fail); |
327 | return Standard_False; | |
25b97fac | 328 | } |
1ce0716b | 329 | // eglMakeCurrent() fails or even crash with EGL_NO_SURFACE on some implementations |
330 | //if (eglMakeCurrent ((EGLDisplay )myEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, (EGLContext )myEglContext) != EGL_TRUE) | |
331 | //{ | |
332 | // ::Message::DefaultMessenger()->Send ("Error: EGL is unable bind OpenGL context!", Message_Fail); | |
333 | // return Standard_False; | |
334 | //} | |
25b97fac | 335 | #endif |
05e2200b | 336 | myIsOwnContext = Standard_True; |
337 | return Standard_True; | |
73192b37 | 338 | } |
339 | ||
565baee6 | 340 | #if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__) || defined(__EMSCRIPTEN__) |
05e2200b | 341 | // ======================================================================= |
342 | // function : InitEglContext | |
343 | // purpose : | |
344 | // ======================================================================= | |
345 | Standard_Boolean OpenGl_GraphicDriver::InitEglContext (Aspect_Display theEglDisplay, | |
346 | Aspect_RenderingContext theEglContext, | |
347 | void* theEglConfig) | |
348 | { | |
349 | ReleaseContext(); | |
565baee6 | 350 | #if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && !defined(__EMSCRIPTEN__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX)) |
05e2200b | 351 | if (myDisplayConnection.IsNull()) |
352 | { | |
353 | return Standard_False; | |
354 | } | |
355 | #endif | |
356 | ||
357 | if ((EGLDisplay )theEglDisplay == EGL_NO_DISPLAY | |
39235bed | 358 | || (EGLContext )theEglContext == EGL_NO_CONTEXT) |
05e2200b | 359 | { |
360 | return Standard_False; | |
361 | } | |
362 | myEglDisplay = theEglDisplay; | |
363 | myEglContext = theEglContext; | |
364 | myEglConfig = theEglConfig; | |
39235bed | 365 | if (theEglConfig == NULL) |
366 | { | |
367 | myEglConfig = chooseEglSurfConfig ((EGLDisplay )myEglDisplay); | |
368 | if (myEglConfig == NULL) | |
369 | { | |
370 | ::Message::DefaultMessenger()->Send ("Error: EGL does not provide compatible configurations!", Message_Fail); | |
371 | return Standard_False; | |
372 | } | |
373 | } | |
05e2200b | 374 | return Standard_True; |
375 | } | |
376 | #endif | |
377 | ||
73192b37 | 378 | // ======================================================================= |
3bffef55 | 379 | // function : InquireLimit |
73192b37 | 380 | // purpose : |
381 | // ======================================================================= | |
3bffef55 | 382 | Standard_Integer OpenGl_GraphicDriver::InquireLimit (const Graphic3d_TypeOfLimit theType) const |
73192b37 | 383 | { |
73192b37 | 384 | const Handle(OpenGl_Context)& aCtx = GetSharedContext(); |
3bffef55 | 385 | switch (theType) |
386 | { | |
387 | case Graphic3d_TypeOfLimit_MaxNbLights: | |
daf73ab7 | 388 | return Graphic3d_ShaderProgram::THE_MAX_LIGHTS_DEFAULT; |
3bffef55 | 389 | case Graphic3d_TypeOfLimit_MaxNbClipPlanes: |
390 | return !aCtx.IsNull() ? aCtx->MaxClipPlanes() : 0; | |
391 | case Graphic3d_TypeOfLimit_MaxNbViews: | |
392 | return 10000; | |
393 | case Graphic3d_TypeOfLimit_MaxTextureSize: | |
394 | return !aCtx.IsNull() ? aCtx->MaxTextureSize() : 1024; | |
cc8cbabe | 395 | case Graphic3d_TypeOfLimit_MaxCombinedTextureUnits: |
396 | return !aCtx.IsNull() ? aCtx->MaxCombinedTextureUnits() : 1; | |
3bffef55 | 397 | case Graphic3d_TypeOfLimit_MaxMsaa: |
398 | return !aCtx.IsNull() ? aCtx->MaxMsaaSamples() : 0; | |
6997ff1c | 399 | case Graphic3d_TypeOfLimit_MaxViewDumpSizeX: |
400 | return !aCtx.IsNull() ? aCtx->MaxDumpSizeX() : 1024; | |
401 | case Graphic3d_TypeOfLimit_MaxViewDumpSizeY: | |
402 | return !aCtx.IsNull() ? aCtx->MaxDumpSizeY() : 1024; | |
67312b79 | 403 | case Graphic3d_TypeOfLimit_HasPBR: |
404 | return (!aCtx.IsNull() && aCtx->HasPBR()) ? 1 : 0; | |
3a9b5dc8 | 405 | case Graphic3d_TypeOfLimit_HasRayTracing: |
406 | return (!aCtx.IsNull() && aCtx->HasRayTracing()) ? 1 : 0; | |
407 | case Graphic3d_TypeOfLimit_HasRayTracingTextures: | |
408 | return (!aCtx.IsNull() && aCtx->HasRayTracingTextures()) ? 1 : 0; | |
409 | case Graphic3d_TypeOfLimit_HasRayTracingAdaptiveSampling: | |
410 | return (!aCtx.IsNull() && aCtx->HasRayTracingAdaptiveSampling()) ? 1 : 0; | |
e084dbbc | 411 | case Graphic3d_TypeOfLimit_HasRayTracingAdaptiveSamplingAtomic: |
412 | return (!aCtx.IsNull() && aCtx->HasRayTracingAdaptiveSamplingAtomic()) ? 1 : 0; | |
ba00aab7 | 413 | case Graphic3d_TypeOfLimit_HasSRGB: |
414 | return (!aCtx.IsNull() && aCtx->HasSRGB()) ? 1 : 0; | |
a1073ae2 | 415 | case Graphic3d_TypeOfLimit_HasBlendedOit: |
177781da | 416 | return (!aCtx.IsNull() |
417 | && aCtx->hasDrawBuffers != OpenGl_FeatureNotAvailable | |
418 | && (aCtx->hasFloatBuffer != OpenGl_FeatureNotAvailable || aCtx->hasHalfFloatBuffer != OpenGl_FeatureNotAvailable)) ? 1 : 0; | |
a1073ae2 | 419 | case Graphic3d_TypeOfLimit_HasBlendedOitMsaa: |
177781da | 420 | return (!aCtx.IsNull() |
421 | && aCtx->hasSampleVariables != OpenGl_FeatureNotAvailable | |
422 | && (InquireLimit (Graphic3d_TypeOfLimit_HasBlendedOit) == 1)) ? 1 : 0; | |
c39bb31b | 423 | case Graphic3d_TypeOfLimit_HasFlatShading: |
424 | return !aCtx.IsNull() && aCtx->hasFlatShading != OpenGl_FeatureNotAvailable ? 1 : 0; | |
6997ff1c | 425 | case Graphic3d_TypeOfLimit_IsWorkaroundFBO: |
426 | return !aCtx.IsNull() && aCtx->MaxTextureSize() != aCtx->MaxDumpSizeX() ? 1 : 0; | |
2a332745 | 427 | case Graphic3d_TypeOfLimit_HasMeshEdges: |
428 | return !aCtx.IsNull() && aCtx->hasGeometryStage != OpenGl_FeatureNotAvailable ? 1 : 0; | |
3bffef55 | 429 | case Graphic3d_TypeOfLimit_NB: |
430 | return 0; | |
431 | } | |
432 | return 0; | |
73192b37 | 433 | } |
434 | ||
f0430952 | 435 | // ======================================================================= |
5e27df78 | 436 | // function : DefaultTextHeight |
f0430952 | 437 | // purpose : |
438 | // ======================================================================= | |
5e27df78 | 439 | Standard_ShortReal OpenGl_GraphicDriver::DefaultTextHeight() const |
2166f0fa | 440 | { |
5e27df78 | 441 | return 16.; |
2166f0fa SK |
442 | } |
443 | ||
f0430952 | 444 | // ======================================================================= |
445 | // function : EnableVBO | |
446 | // purpose : | |
447 | // ======================================================================= | |
2166f0fa | 448 | void OpenGl_GraphicDriver::EnableVBO (const Standard_Boolean theToTurnOn) |
7fd59977 | 449 | { |
58655684 | 450 | myCaps->vboDisable = !theToTurnOn; |
7fd59977 | 451 | } |
f0430952 | 452 | |
5e27df78 | 453 | // ======================================================================= |
454 | // function : GetSharedContext | |
455 | // purpose : | |
456 | // ======================================================================= | |
b30b2c13 | 457 | const Handle(OpenGl_Context)& OpenGl_GraphicDriver::GetSharedContext (bool theBound) const |
5e27df78 | 458 | { |
c357e426 | 459 | if (myMapOfView.IsEmpty()) |
5e27df78 | 460 | { |
461 | return TheNullGlCtx; | |
462 | } | |
463 | ||
b30b2c13 | 464 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); aViewIter.More(); aViewIter.Next()) |
c357e426 | 465 | { |
b30b2c13 | 466 | if (const Handle(OpenGl_Window)& aWindow = aViewIter.Value()->GlWindow()) |
c357e426 | 467 | { |
b30b2c13 | 468 | if (!theBound) |
469 | { | |
470 | return aWindow->GetGlContext(); | |
471 | } | |
472 | else if (aWindow->GetGlContext()->IsCurrent()) | |
473 | { | |
474 | return aWindow->GetGlContext(); | |
475 | } | |
c357e426 | 476 | } |
c357e426 | 477 | } |
478 | ||
479 | return TheNullGlCtx; | |
5e27df78 | 480 | } |
481 | ||
f0430952 | 482 | // ======================================================================= |
483 | // function : MemoryInfo | |
484 | // purpose : | |
485 | // ======================================================================= | |
486 | Standard_Boolean OpenGl_GraphicDriver::MemoryInfo (Standard_Size& theFreeBytes, | |
487 | TCollection_AsciiString& theInfo) const | |
488 | { | |
489 | // this is extra work (for OpenGl_Context initialization)... | |
490 | OpenGl_Context aGlCtx; | |
491 | if (!aGlCtx.Init()) | |
492 | { | |
493 | return Standard_False; | |
494 | } | |
495 | theFreeBytes = aGlCtx.AvailableMemory(); | |
496 | theInfo = aGlCtx.MemoryInfo(); | |
497 | return !theInfo.IsEmpty(); | |
498 | } | |
1981cb22 | 499 | |
500 | // ======================================================================= | |
c357e426 | 501 | // function : SetBuffersNoSwap |
1981cb22 | 502 | // purpose : |
503 | // ======================================================================= | |
c357e426 | 504 | void OpenGl_GraphicDriver::SetBuffersNoSwap (const Standard_Boolean theIsNoSwap) |
1981cb22 | 505 | { |
c357e426 | 506 | myCaps->buffersNoSwap = theIsNoSwap; |
1981cb22 | 507 | } |
508 | ||
a174a3c5 | 509 | // ======================================================================= |
c357e426 | 510 | // function : TextSize |
a174a3c5 | 511 | // purpose : |
512 | // ======================================================================= | |
4b1c8733 | 513 | void OpenGl_GraphicDriver::TextSize (const Handle(Graphic3d_CView)& theView, |
514 | const Standard_CString theText, | |
515 | const Standard_ShortReal theHeight, | |
516 | Standard_ShortReal& theWidth, | |
517 | Standard_ShortReal& theAscent, | |
518 | Standard_ShortReal& theDescent) const | |
a174a3c5 | 519 | { |
c357e426 | 520 | const Handle(OpenGl_Context)& aCtx = GetSharedContext(); |
521 | if (aCtx.IsNull()) | |
a174a3c5 | 522 | { |
c357e426 | 523 | return; |
a174a3c5 | 524 | } |
525 | ||
c357e426 | 526 | const Standard_ShortReal aHeight = (theHeight < 2.0f) ? DefaultTextHeight() : theHeight; |
bf5f0ca2 | 527 | OpenGl_Aspects aTextAspect; |
c357e426 | 528 | TCollection_ExtendedString anExtText = theText; |
fb0b0531 | 529 | NCollection_String aText (anExtText.ToExtString()); |
8ed07085 | 530 | OpenGl_Text::StringSize(aCtx, aText, aTextAspect, aHeight, theView->RenderingParams().Resolution, theWidth, theAscent, theDescent); |
a174a3c5 | 531 | } |
532 | ||
c357e426 | 533 | //======================================================================= |
1c728f2d | 534 | //function : InsertLayerBefore |
c357e426 | 535 | //purpose : |
536 | //======================================================================= | |
1c728f2d | 537 | void OpenGl_GraphicDriver::InsertLayerBefore (const Graphic3d_ZLayerId theLayerId, |
538 | const Graphic3d_ZLayerSettings& theSettings, | |
539 | const Graphic3d_ZLayerId theLayerAfter) | |
a174a3c5 | 540 | { |
1c728f2d | 541 | base_type::InsertLayerBefore (theLayerId, theSettings, theLayerAfter); |
542 | ||
543 | // Add layer to all views | |
544 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); aViewIt.More(); aViewIt.Next()) | |
536d98e2 | 545 | { |
1c728f2d | 546 | aViewIt.Value()->InsertLayerBefore (theLayerId, theSettings, theLayerAfter); |
536d98e2 | 547 | } |
1c728f2d | 548 | } |
536d98e2 | 549 | |
1c728f2d | 550 | //======================================================================= |
551 | //function : InsertLayerAfter | |
552 | //purpose : | |
553 | //======================================================================= | |
554 | void OpenGl_GraphicDriver::InsertLayerAfter (const Graphic3d_ZLayerId theNewLayerId, | |
555 | const Graphic3d_ZLayerSettings& theSettings, | |
556 | const Graphic3d_ZLayerId theLayerBefore) | |
557 | { | |
558 | base_type::InsertLayerAfter (theNewLayerId, theSettings, theLayerBefore); | |
c357e426 | 559 | |
560 | // Add layer to all views | |
1c728f2d | 561 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); aViewIt.More(); aViewIt.Next()) |
a174a3c5 | 562 | { |
1c728f2d | 563 | aViewIt.Value()->InsertLayerAfter (theNewLayerId, theSettings, theLayerBefore); |
a174a3c5 | 564 | } |
565 | } | |
566 | ||
c357e426 | 567 | //======================================================================= |
568 | //function : RemoveZLayer | |
569 | //purpose : | |
570 | //======================================================================= | |
571 | void OpenGl_GraphicDriver::RemoveZLayer (const Graphic3d_ZLayerId theLayerId) | |
a174a3c5 | 572 | { |
1c728f2d | 573 | base_type::RemoveZLayer (theLayerId); |
c357e426 | 574 | |
575 | // Remove layer from all of the views | |
1c728f2d | 576 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); aViewIt.More(); aViewIt.Next()) |
c357e426 | 577 | { |
578 | aViewIt.Value()->RemoveZLayer (theLayerId); | |
579 | } | |
580 | ||
581 | // Unset Z layer for all of the structures. | |
1c728f2d | 582 | for (NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure); aStructIt.More(); aStructIt.Next()) |
a174a3c5 | 583 | { |
c357e426 | 584 | OpenGl_Structure* aStruct = aStructIt.ChangeValue (); |
585 | if (aStruct->ZLayer() == theLayerId) | |
586 | aStruct->SetZLayer (Graphic3d_ZLayerId_Default); | |
a174a3c5 | 587 | } |
588 | } | |
589 | ||
c357e426 | 590 | //======================================================================= |
591 | //function : SetZLayerSettings | |
592 | //purpose : | |
593 | //======================================================================= | |
594 | void OpenGl_GraphicDriver::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId, | |
595 | const Graphic3d_ZLayerSettings& theSettings) | |
a174a3c5 | 596 | { |
d325cb7f | 597 | base_type::SetZLayerSettings (theLayerId, theSettings); |
7c3ef2f7 | 598 | |
599 | // Change Z layer settings in all managed views | |
600 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); aViewIt.More(); aViewIt.Next()) | |
601 | { | |
602 | aViewIt.Value()->SetZLayerSettings (theLayerId, theSettings); | |
603 | } | |
a174a3c5 | 604 | } |
605 | ||
a174a3c5 | 606 | // ======================================================================= |
c357e426 | 607 | // function : Structure |
a174a3c5 | 608 | // purpose : |
609 | // ======================================================================= | |
c357e426 | 610 | Handle(Graphic3d_CStructure) OpenGl_GraphicDriver::CreateStructure (const Handle(Graphic3d_StructureManager)& theManager) |
a174a3c5 | 611 | { |
c357e426 | 612 | Handle(OpenGl_Structure) aStructure = new OpenGl_Structure (theManager); |
613 | myMapOfStructure.Bind (aStructure->Id, aStructure.operator->()); | |
614 | return aStructure; | |
a174a3c5 | 615 | } |
616 | ||
617 | // ======================================================================= | |
c357e426 | 618 | // function : Structure |
a174a3c5 | 619 | // purpose : |
620 | // ======================================================================= | |
c357e426 | 621 | void OpenGl_GraphicDriver::RemoveStructure (Handle(Graphic3d_CStructure)& theCStructure) |
a174a3c5 | 622 | { |
c357e426 | 623 | OpenGl_Structure* aStructure = NULL; |
624 | if (!myMapOfStructure.Find (theCStructure->Id, aStructure)) | |
a174a3c5 | 625 | { |
c357e426 | 626 | return; |
a174a3c5 | 627 | } |
c357e426 | 628 | |
629 | myMapOfStructure.UnBind (theCStructure->Id); | |
630 | aStructure->Release (GetSharedContext()); | |
631 | theCStructure.Nullify(); | |
a174a3c5 | 632 | } |
633 | ||
634 | // ======================================================================= | |
1c728f2d | 635 | // function : CreateView |
a174a3c5 | 636 | // purpose : |
637 | // ======================================================================= | |
c357e426 | 638 | Handle(Graphic3d_CView) OpenGl_GraphicDriver::CreateView (const Handle(Graphic3d_StructureManager)& theMgr) |
a174a3c5 | 639 | { |
851dacdb | 640 | Handle(OpenGl_View) aView = new OpenGl_View (theMgr, this, myCaps, &myStateCounter); |
c357e426 | 641 | myMapOfView.Add (aView); |
1c728f2d | 642 | for (NCollection_List<Handle(Graphic3d_Layer)>::Iterator aLayerIter (myLayers); aLayerIter.More(); aLayerIter.Next()) |
a174a3c5 | 643 | { |
1c728f2d | 644 | const Handle(Graphic3d_Layer)& aLayer = aLayerIter.Value(); |
645 | aView->InsertLayerAfter (aLayer->LayerId(), aLayer->LayerSettings(), Graphic3d_ZLayerId_UNKNOWN); | |
a174a3c5 | 646 | } |
c357e426 | 647 | return aView; |
a174a3c5 | 648 | } |
649 | ||
650 | // ======================================================================= | |
c357e426 | 651 | // function : RemoveView |
a174a3c5 | 652 | // purpose : |
653 | // ======================================================================= | |
c357e426 | 654 | void OpenGl_GraphicDriver::RemoveView (const Handle(Graphic3d_CView)& theView) |
a174a3c5 | 655 | { |
c357e426 | 656 | Handle(OpenGl_Context) aCtx = GetSharedContext(); |
657 | Handle(OpenGl_View) aView = Handle(OpenGl_View)::DownCast (theView); | |
658 | if (aView.IsNull()) | |
a174a3c5 | 659 | { |
c357e426 | 660 | return; |
a174a3c5 | 661 | } |
a174a3c5 | 662 | |
c357e426 | 663 | if (!myMapOfView.Remove (aView)) |
664 | { | |
665 | return; | |
666 | } | |
667 | ||
668 | Handle(OpenGl_Window) aWindow = aView->GlWindow(); | |
669 | if (!aWindow.IsNull() | |
670 | && aWindow->GetGlContext()->MakeCurrent()) | |
a79f67f8 | 671 | { |
c357e426 | 672 | aCtx = aWindow->GetGlContext(); |
673 | } | |
674 | else | |
675 | { | |
676 | // try to hijack another context if any | |
677 | const Handle(OpenGl_Context)& anOtherCtx = GetSharedContext(); | |
678 | if (!anOtherCtx.IsNull() | |
679 | && anOtherCtx != aWindow->GetGlContext()) | |
680 | { | |
681 | aCtx = anOtherCtx; | |
682 | aCtx->MakeCurrent(); | |
683 | } | |
684 | } | |
685 | ||
686 | aView->ReleaseGlResources (aCtx); | |
687 | if (myMapOfView.IsEmpty()) | |
688 | { | |
689 | // The last view removed but some objects still present. | |
690 | // Release GL resources now without object destruction. | |
691 | for (NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure); | |
692 | aStructIt.More (); aStructIt.Next()) | |
693 | { | |
694 | OpenGl_Structure* aStruct = aStructIt.ChangeValue(); | |
695 | aStruct->ReleaseGlResources (aCtx); | |
696 | } | |
851dacdb | 697 | |
698 | if (!myMapOfStructure.IsEmpty()) | |
699 | { | |
700 | aView->StructureManager()->SetDeviceLost(); | |
701 | } | |
a79f67f8 | 702 | } |
a174a3c5 | 703 | } |
62e1beed | 704 | |
705 | // ======================================================================= | |
c357e426 | 706 | // function : Window |
62e1beed | 707 | // purpose : |
708 | // ======================================================================= | |
c357e426 | 709 | Handle(OpenGl_Window) OpenGl_GraphicDriver::CreateRenderWindow (const Handle(Aspect_Window)& theWindow, |
710 | const Aspect_RenderingContext theContext) | |
62e1beed | 711 | { |
c357e426 | 712 | Handle(OpenGl_Context) aShareCtx = GetSharedContext(); |
713 | Handle(OpenGl_Window) aWindow = new OpenGl_Window (this, theWindow, theContext, myCaps, aShareCtx); | |
714 | return aWindow; | |
62e1beed | 715 | } |
27f85086 | 716 | |
c357e426 | 717 | //======================================================================= |
718 | //function : ViewExists | |
719 | //purpose : | |
720 | //======================================================================= | |
721 | Standard_Boolean OpenGl_GraphicDriver::ViewExists (const Handle(Aspect_Window)& AWindow, Handle(Graphic3d_CView)& theView) | |
27f85086 | 722 | { |
c357e426 | 723 | Standard_Boolean isExist = Standard_False; |
724 | ||
725 | // Parse the list of views to find | |
726 | // a view with the specified window | |
727 | ||
1ce0716b | 728 | #if defined(_WIN32) && !defined(OCCT_UWP) |
c357e426 | 729 | const Handle(WNT_Window) THEWindow = Handle(WNT_Window)::DownCast (AWindow); |
730 | Aspect_Handle TheSpecifiedWindowId = THEWindow->HWindow (); | |
731 | #elif defined(__APPLE__) && !defined(MACOSX_USE_GLX) | |
732 | const Handle(Cocoa_Window) THEWindow = Handle(Cocoa_Window)::DownCast (AWindow); | |
733 | #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | |
734 | UIView* TheSpecifiedWindowId = THEWindow->HView(); | |
735 | #else | |
736 | NSView* TheSpecifiedWindowId = THEWindow->HView(); | |
737 | #endif | |
565baee6 | 738 | #elif defined(__ANDROID__) || defined(__QNX__) || defined(__EMSCRIPTEN__) || defined(OCCT_UWP) |
20aeeb7b | 739 | (void )AWindow; |
c357e426 | 740 | int TheSpecifiedWindowId = -1; |
741 | #else | |
742 | const Handle(Xw_Window) THEWindow = Handle(Xw_Window)::DownCast (AWindow); | |
743 | int TheSpecifiedWindowId = int (THEWindow->XWindow ()); | |
744 | #endif | |
745 | ||
746 | NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); | |
747 | for(; aViewIt.More(); aViewIt.Next()) | |
27f85086 | 748 | { |
c357e426 | 749 | const Handle(OpenGl_View)& aView = aViewIt.Value(); |
750 | if (aView->IsDefined() && aView->IsActive()) | |
751 | { | |
752 | const Handle(Aspect_Window) AspectWindow = aView->Window(); | |
753 | ||
1ce0716b | 754 | #if defined(_WIN32) && !defined(OCCT_UWP) |
c357e426 | 755 | const Handle(WNT_Window) theWindow = Handle(WNT_Window)::DownCast (AspectWindow); |
756 | Aspect_Handle TheWindowIdOfView = theWindow->HWindow (); | |
757 | #elif defined(__APPLE__) && !defined(MACOSX_USE_GLX) | |
758 | const Handle(Cocoa_Window) theWindow = Handle(Cocoa_Window)::DownCast (AspectWindow); | |
759 | #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE | |
760 | UIView* TheWindowIdOfView = theWindow->HView(); | |
761 | #else | |
762 | NSView* TheWindowIdOfView = theWindow->HView(); | |
763 | #endif | |
565baee6 | 764 | #elif defined(__ANDROID__) || defined(__QNX__) || defined(__EMSCRIPTEN__) || defined(OCCT_UWP) |
c357e426 | 765 | int TheWindowIdOfView = 0; |
766 | #else | |
767 | const Handle(Xw_Window) theWindow = Handle(Xw_Window)::DownCast (AspectWindow); | |
768 | int TheWindowIdOfView = int (theWindow->XWindow ()); | |
769 | #endif // WNT | |
770 | // Comparaison on window IDs | |
771 | if (TheWindowIdOfView == TheSpecifiedWindowId) | |
772 | { | |
773 | isExist = Standard_True; | |
774 | theView = aView; | |
775 | } | |
776 | } | |
27f85086 | 777 | } |
778 | ||
c357e426 | 779 | return isExist; |
27f85086 | 780 | } |
851dacdb | 781 | |
782 | //======================================================================= | |
783 | //function : setDeviceLost | |
784 | //purpose : | |
785 | //======================================================================= | |
786 | void OpenGl_GraphicDriver::setDeviceLost() | |
787 | { | |
788 | if (myMapOfStructure.IsEmpty()) | |
789 | { | |
790 | return; | |
791 | } | |
792 | ||
793 | for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); aViewIter.More(); aViewIter.Next()) | |
794 | { | |
795 | const Handle(OpenGl_View)& aView = aViewIter.Value(); | |
796 | if (aView->myWasRedrawnGL) | |
797 | { | |
798 | aView->StructureManager()->SetDeviceLost(); | |
799 | } | |
800 | } | |
801 | } |