// Created by: Sergey ZERCHANINOV
// Copyright (c) 2011-2013 OPEN CASCADE SAS
//
-// The content of this file is subject to the Open CASCADE Technology Public
-// License Version 6.5 (the "License"). You may not use the content of this file
-// except in compliance with the License. Please obtain a copy of the License
-// at http://www.opencascade.org and read it completely before using this file.
+// This file is part of Open CASCADE Technology software library.
//
-// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
//
-// The Original Code and all software distributed under the License is
-// distributed on an "AS IS" basis, without warranty of any kind, and the
-// Initial Developer hereby disclaims all such warranties, including without
-// limitation, any warranties of merchantability, fitness for a particular
-// purpose or non-infringement. Please see the License for the specific terms
-// and conditions governing the rights and limitations under the License.
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
-
-#ifdef HAVE_CONFIG_H
- #include <config.h>
+#if defined(_WIN32)
+ #include <windows.h>
#endif
#include <OpenGl_GraphicDriver.hxx>
-
#include <OpenGl_Context.hxx>
+#include <OpenGl_Flipper.hxx>
#include <OpenGl_GraduatedTrihedron.hxx>
#include <OpenGl_Group.hxx>
-#include <OpenGl_CView.hxx>
#include <OpenGl_View.hxx>
#include <OpenGl_StencilTest.hxx>
#include <OpenGl_Text.hxx>
#include <OpenGl_Trihedron.hxx>
#include <OpenGl_Workspace.hxx>
+#include <Aspect_GraphicDeviceDefinitionError.hxx>
+#include <Aspect_IdentDefinitionError.hxx>
+#include <Message_Messenger.hxx>
+#include <OSD_Environment.hxx>
#include <Standard_NotImplemented.hxx>
-IMPLEMENT_STANDARD_HANDLE(OpenGl_GraphicDriver,Graphic3d_GraphicDriver)
IMPLEMENT_STANDARD_RTTIEXT(OpenGl_GraphicDriver,Graphic3d_GraphicDriver)
+#if defined(_WIN32)
+ #include <WNT_Window.hxx>
+#elif defined(__APPLE__) && !defined(MACOSX_USE_GLX)
+ #include <Cocoa_Window.hxx>
+#else
+ #include <Xw_Window.hxx>
+#endif
+
+#if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX))
+ #include <X11/Xlib.h> // XOpenDisplay()
+#endif
+
+#if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__)
+ #include <EGL/egl.h>
+#endif
+
namespace
{
static const Handle(OpenGl_Context) TheNullGlCtx;
-};
-
-// Pour eviter de "mangler" MetaGraphicDriverFactory, le nom de la
-// fonction qui cree un Graphic3d_GraphicDriver.
-// En effet, ce nom est recherche par la methode DlSymb de la
-// classe OSD_SharedLibrary dans la methode SetGraphicDriver de la
-// classe Graphic3d_GraphicDevice
-extern "C" {
-#if defined(_MSC_VER) // disable MS VC++ warning on C-style function returning C++ object
- #pragma warning(push)
- #pragma warning(disable:4190)
-#endif
- Standard_EXPORT Handle(Graphic3d_GraphicDriver) MetaGraphicDriverFactory (const Standard_CString theShrName)
- {
- Handle(OpenGl_GraphicDriver) aDriver = new OpenGl_GraphicDriver (theShrName);
- return aDriver;
- }
-#if defined(_MSC_VER)
- #pragma warning(pop)
-#endif
}
// =======================================================================
// function : OpenGl_GraphicDriver
// purpose :
// =======================================================================
-OpenGl_GraphicDriver::OpenGl_GraphicDriver (const Standard_CString theShrName)
-: Graphic3d_GraphicDriver (theShrName),
+OpenGl_GraphicDriver::OpenGl_GraphicDriver (const Handle(Aspect_DisplayConnection)& theDisp,
+ const Standard_Boolean theToInitialize)
+: Graphic3d_GraphicDriver (theDisp),
+ myIsOwnContext (Standard_False),
+#if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__)
+ myEglDisplay ((Aspect_Display )EGL_NO_DISPLAY),
+ myEglContext ((Aspect_RenderingContext )EGL_NO_CONTEXT),
+ myEglConfig (NULL),
+#endif
myCaps (new OpenGl_Caps()),
myMapOfView (1, NCollection_BaseAllocator::CommonBaseAllocator()),
- myMapOfWS (1, NCollection_BaseAllocator::CommonBaseAllocator()),
- myMapOfStructure (1, NCollection_BaseAllocator::CommonBaseAllocator()),
- myUserDrawCallback (NULL),
- myTempText (new OpenGl_Text())
+ myMapOfStructure (1, NCollection_BaseAllocator::CommonBaseAllocator())
{
- //
-}
+#if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX))
+ if (myDisplayConnection.IsNull())
+ {
+ //Aspect_GraphicDeviceDefinitionError::Raise ("OpenGl_GraphicDriver: cannot connect to X server!");
+ return;
+ }
-// =======================================================================
-// function : UserDrawCallback
-// purpose :
-// =======================================================================
-OpenGl_GraphicDriver::OpenGl_UserDrawCallback_t& OpenGl_GraphicDriver::UserDrawCallback()
-{
- return myUserDrawCallback;
-}
+ Display* aDisplay = myDisplayConnection->GetDisplay();
+ Bool toSync = ::getenv ("CSF_GraphicSync") != NULL
+ || ::getenv ("CALL_SYNCHRO_X") != NULL;
+ XSynchronize (aDisplay, toSync);
-// =======================================================================
-// function : DefaultTextHeight
-// purpose :
-// =======================================================================
-Standard_ShortReal OpenGl_GraphicDriver::DefaultTextHeight() const
-{
- return 16.;
-}
+#if !defined(HAVE_EGL) && !defined(HAVE_GLES2)
+ // does the server know about OpenGL & GLX?
+ int aDummy;
+ if (!XQueryExtension (aDisplay, "GLX", &aDummy, &aDummy, &aDummy))
+ {
+ ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, this system doesn't appear to support OpenGL!", Message_Warning);
+ }
+#endif
+#endif
+ if (theToInitialize
+ && !InitContext())
+ {
+ Aspect_GraphicDeviceDefinitionError::Raise ("OpenGl_GraphicDriver: default context can not be initialized!");
+ }
-// =======================================================================
-// function : EnableVBO
+ // default layers are always presented in display layer sequence it can not be removed
+ Graphic3d_ZLayerSettings anUnderlaySettings;
+ anUnderlaySettings.Flags = 0;
+ anUnderlaySettings.IsImmediate = false;
+ anUnderlaySettings.UseEnvironmentTexture = false;
+ myLayerIds.Add (Graphic3d_ZLayerId_BotOSD);
+ myLayerSeq.Append (Graphic3d_ZLayerId_BotOSD);
+ myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_BotOSD, anUnderlaySettings);
+
+ Graphic3d_ZLayerSettings aDefSettings;
+ aDefSettings.Flags = Graphic3d_ZLayerDepthTest
+ | Graphic3d_ZLayerDepthWrite;
+ aDefSettings.IsImmediate = false;
+ myLayerIds.Add (Graphic3d_ZLayerId_Default);
+ myLayerSeq.Append (Graphic3d_ZLayerId_Default);
+ myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_Default, aDefSettings);
+
+ Graphic3d_ZLayerSettings aTopSettings;
+ aTopSettings.Flags = Graphic3d_ZLayerDepthTest
+ | Graphic3d_ZLayerDepthWrite;
+ aTopSettings.IsImmediate = true;
+ myLayerIds.Add (Graphic3d_ZLayerId_Top);
+ myLayerSeq.Append (Graphic3d_ZLayerId_Top);
+ myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_Top, aTopSettings);
+
+ Graphic3d_ZLayerSettings aTopmostSettings;
+ aTopmostSettings.Flags = Graphic3d_ZLayerDepthTest
+ | Graphic3d_ZLayerDepthWrite
+ | Graphic3d_ZLayerDepthClear;
+ aTopmostSettings.IsImmediate = true;
+ myLayerIds.Add (Graphic3d_ZLayerId_Topmost);
+ myLayerSeq.Append (Graphic3d_ZLayerId_Topmost);
+ myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_Topmost, aTopmostSettings);
+
+ Graphic3d_ZLayerSettings anOsdSettings;
+ anOsdSettings.Flags = 0;
+ anOsdSettings.IsImmediate = true;
+ anOsdSettings.UseEnvironmentTexture = false;
+ myLayerIds.Add (Graphic3d_ZLayerId_TopOSD);
+ myLayerSeq.Append (Graphic3d_ZLayerId_TopOSD);
+ myMapOfZLayerSettings.Bind (Graphic3d_ZLayerId_TopOSD, anOsdSettings);
+}
+
+// =======================================================================
+// function : ~OpenGl_GraphicDriver
// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::EnableVBO (const Standard_Boolean theToTurnOn)
+OpenGl_GraphicDriver::~OpenGl_GraphicDriver()
{
- myCaps->vboDisable = !theToTurnOn;
+ ReleaseContext();
}
// =======================================================================
-// function : GetSharedContext
+// function : ReleaseContext
// purpose :
// =======================================================================
-const Handle(OpenGl_Context)& OpenGl_GraphicDriver::GetSharedContext() const
+void OpenGl_GraphicDriver::ReleaseContext()
{
- if (myMapOfWS.IsEmpty())
+ Handle(OpenGl_Context) aCtxShared;
+ for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView);
+ aViewIter.More(); aViewIter.Next())
{
- return TheNullGlCtx;
+ const Handle(OpenGl_View)& aView = aViewIter.ChangeValue();
+ const Handle(OpenGl_Window)& aWindow = aView->GlWindow();
+ if (aWindow.IsNull())
+ {
+ continue;
+ }
+
+ const Handle(OpenGl_Context)& aCtx = aWindow->GetGlContext();
+ if (aCtx->MakeCurrent()
+ && aCtxShared.IsNull())
+ {
+ aCtxShared = aCtx;
+ }
}
- NCollection_DataMap<Standard_Integer, Handle(OpenGl_Workspace)>::Iterator anIter (myMapOfWS);
- return anIter.Value()->GetGlContext();
-}
+ if (!aCtxShared.IsNull())
+ {
+ aCtxShared->MakeCurrent();
+ }
+ for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView);
+ aViewIter.More(); aViewIter.Next())
+ {
+ const Handle(OpenGl_View)& aView = aViewIter.ChangeValue();
+ aView->ReleaseGlResources (aCtxShared);
+ }
-// =======================================================================
-// function : MemoryInfo
-// purpose :
-// =======================================================================
-Standard_Boolean OpenGl_GraphicDriver::MemoryInfo (Standard_Size& theFreeBytes,
- TCollection_AsciiString& theInfo) const
-{
- // this is extra work (for OpenGl_Context initialization)...
- OpenGl_Context aGlCtx;
- if (!aGlCtx.Init())
+ for (NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure);
+ aStructIt.More (); aStructIt.Next())
{
- return Standard_False;
+ OpenGl_Structure* aStruct = aStructIt.ChangeValue();
+ aStruct->ReleaseGlResources (aCtxShared);
}
- theFreeBytes = aGlCtx.AvailableMemory();
- theInfo = aGlCtx.MemoryInfo();
- return !theInfo.IsEmpty();
-}
+ myDeviceLostFlag = myDeviceLostFlag || !myMapOfStructure.IsEmpty();
-// =======================================================================
-// function : SetImmediateModeDrawToFront
-// purpose :
-// =======================================================================
-Standard_Boolean OpenGl_GraphicDriver::SetImmediateModeDrawToFront (const Graphic3d_CView& theCView,
- const Standard_Boolean theDrawToFrontBuffer)
-{
- if (theCView.ViewId == -1)
+ for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView);
+ aViewIter.More(); aViewIter.Next())
{
- return Standard_False;
+ const Handle(OpenGl_View)& aView = aViewIter.ChangeValue();
+ const Handle(OpenGl_Window)& aWindow = aView->GlWindow();
+ if (aWindow.IsNull())
+ {
+ continue;
+ }
+
+ aWindow->GetGlContext()->forcedRelease();
}
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView != NULL)
+#if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__)
+ if (myIsOwnContext)
{
- return aCView->WS->SetImmediateModeDrawToFront (theDrawToFrontBuffer);
+ if (myEglContext != (Aspect_RenderingContext )EGL_NO_CONTEXT)
+ {
+ if (eglMakeCurrent ((EGLDisplay )myEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT) != EGL_TRUE)
+ {
+ ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, FAILED to release OpenGL context!", Message_Warning);
+ }
+ eglDestroyContext ((EGLDisplay )myEglDisplay, (EGLContext )myEglContext);
+ }
+
+ if (myEglDisplay != (Aspect_Display )EGL_NO_DISPLAY)
+ {
+ if (eglTerminate ((EGLDisplay )myEglDisplay) != EGL_TRUE)
+ {
+ ::Message::DefaultMessenger()->Send ("OpenGl_GraphicDriver, EGL, eglTerminate FAILED!", Message_Warning);
+ }
+ }
}
- return Standard_False;
+
+ myEglDisplay = (Aspect_Display )EGL_NO_DISPLAY;
+ myEglContext = (Aspect_RenderingContext )EGL_NO_CONTEXT;
+ myEglConfig = NULL;
+#endif
+ myIsOwnContext = Standard_False;
}
// =======================================================================
-// function : GetOpenClDeviceInfo
-// purpose : Returns information about device used for computations
+// function : InitContext
+// purpose :
// =======================================================================
-#ifndef HAVE_OPENCL
-
-Standard_Boolean OpenGl_GraphicDriver::GetOpenClDeviceInfo (const Graphic3d_CView&,
- NCollection_DataMap<TCollection_AsciiString, TCollection_AsciiString>&)
+Standard_Boolean OpenGl_GraphicDriver::InitContext()
{
- return Standard_True;
-}
+ ReleaseContext();
+#if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__)
+#if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX))
+ if (myDisplayConnection.IsNull())
+ {
+ return Standard_False;
+ }
+ Display* aDisplay = myDisplayConnection->GetDisplay();
+ myEglDisplay = (Aspect_Display )eglGetDisplay (aDisplay);
#else
+ myEglDisplay = (Aspect_Display )eglGetDisplay (EGL_DEFAULT_DISPLAY);
+#endif
+ if ((EGLDisplay )myEglDisplay == EGL_NO_DISPLAY)
+ {
+ ::Message::DefaultMessenger()->Send ("Error: no EGL display!", Message_Fail);
+ return Standard_False;
+ }
-Standard_Boolean OpenGl_GraphicDriver::GetOpenClDeviceInfo (const Graphic3d_CView& theCView,
- NCollection_DataMap<TCollection_AsciiString, TCollection_AsciiString>& theInfo)
-{
+ EGLint aVerMajor = 0; EGLint aVerMinor = 0;
+ if (eglInitialize ((EGLDisplay )myEglDisplay, &aVerMajor, &aVerMinor) != EGL_TRUE)
+ {
+ ::Message::DefaultMessenger()->Send ("Error: EGL display is unavailable!", Message_Fail);
+ return Standard_False;
+ }
- if (theCView.ViewId == -1 || theCView.ptrView == NULL)
+ EGLint aConfigAttribs[] =
{
+ EGL_RED_SIZE, 8,
+ EGL_GREEN_SIZE, 8,
+ EGL_BLUE_SIZE, 8,
+ EGL_ALPHA_SIZE, 0,
+ EGL_DEPTH_SIZE, 24,
+ EGL_STENCIL_SIZE, 8,
+ #if defined(GL_ES_VERSION_2_0)
+ EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+ #else
+ EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
+ #endif
+ EGL_NONE
+ };
+
+ EGLint aNbConfigs = 0;
+ if (eglChooseConfig ((EGLDisplay )myEglDisplay, aConfigAttribs, &myEglConfig, 1, &aNbConfigs) != EGL_TRUE
+ || myEglConfig == NULL)
+ {
+ eglGetError();
+ aConfigAttribs[4 * 2 + 1] = 16; // try config with smaller depth buffer
+ if (eglChooseConfig ((EGLDisplay )myEglDisplay, aConfigAttribs, &myEglConfig, 1, &aNbConfigs) != EGL_TRUE
+ || myEglConfig == NULL)
+ {
+ ::Message::DefaultMessenger()->Send ("Error: EGL does not provide compatible configurations!", Message_Fail);
+ return Standard_False;
+ }
+ }
+
+#if defined(GL_ES_VERSION_2_0)
+ EGLint anEglCtxAttribs[] =
+ {
+ EGL_CONTEXT_CLIENT_VERSION, 2,
+ EGL_NONE
+ };
+ if (eglBindAPI (EGL_OPENGL_ES_API) != EGL_TRUE)
+ {
+ ::Message::DefaultMessenger()->Send ("Error: EGL does not provide OpenGL ES client!", Message_Fail);
return Standard_False;
}
-
- return reinterpret_cast<const OpenGl_CView*> (theCView.ptrView)->WS->GetOpenClDeviceInfo (theInfo);
-}
+#else
+ EGLint* anEglCtxAttribs = NULL;
+ if (eglBindAPI (EGL_OPENGL_API) != EGL_TRUE)
+ {
+ ::Message::DefaultMessenger()->Send ("Error: EGL does not provide OpenGL client!", Message_Fail);
+ return Standard_False;
+ }
+#endif
+ myEglContext = (Aspect_RenderingContext )eglCreateContext ((EGLDisplay )myEglDisplay, myEglConfig, EGL_NO_CONTEXT, anEglCtxAttribs);
+ if ((EGLContext )myEglContext == EGL_NO_CONTEXT)
+ {
+ ::Message::DefaultMessenger()->Send ("Error: EGL is unable to create OpenGL context!", Message_Fail);
+ return Standard_False;
+ }
+ // eglMakeCurrent() fails or even crash with EGL_NO_SURFACE on some implementations
+ //if (eglMakeCurrent ((EGLDisplay )myEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, (EGLContext )myEglContext) != EGL_TRUE)
+ //{
+ // ::Message::DefaultMessenger()->Send ("Error: EGL is unable bind OpenGL context!", Message_Fail);
+ // return Standard_False;
+ //}
#endif
+ myIsOwnContext = Standard_True;
+ return Standard_True;
+}
+#if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__)
// =======================================================================
-// function : BeginAddMode
+// function : InitEglContext
// purpose :
// =======================================================================
-Standard_Boolean OpenGl_GraphicDriver::BeginAddMode (const Graphic3d_CView& theCView)
+Standard_Boolean OpenGl_GraphicDriver::InitEglContext (Aspect_Display theEglDisplay,
+ Aspect_RenderingContext theEglContext,
+ void* theEglConfig)
{
- if (theCView.ViewId == -1)
+ ReleaseContext();
+#if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX))
+ if (myDisplayConnection.IsNull())
{
return Standard_False;
}
+#endif
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView != NULL && aCView->WS->BeginAddMode())
+ if ((EGLDisplay )theEglDisplay == EGL_NO_DISPLAY
+ || (EGLContext )theEglContext == EGL_NO_CONTEXT
+ || theEglConfig == NULL)
{
- myImmediateWS = aCView->WS;
- return Standard_True;
+ return Standard_False;
}
-
- return Standard_False;
+ myEglDisplay = theEglDisplay;
+ myEglContext = theEglContext;
+ myEglConfig = theEglConfig;
+ return Standard_True;
}
+#endif
// =======================================================================
-// function : EndAddMode
+// function : InquireLimit
// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::EndAddMode()
+Standard_Integer OpenGl_GraphicDriver::InquireLimit (const Graphic3d_TypeOfLimit theType) const
{
- if (!myImmediateWS.IsNull())
+ const Handle(OpenGl_Context)& aCtx = GetSharedContext();
+ switch (theType)
{
- myImmediateWS->EndAddMode();
- myImmediateWS.Nullify();
+ case Graphic3d_TypeOfLimit_MaxNbLights:
+ return OpenGLMaxLights;
+ case Graphic3d_TypeOfLimit_MaxNbClipPlanes:
+ return !aCtx.IsNull() ? aCtx->MaxClipPlanes() : 0;
+ case Graphic3d_TypeOfLimit_MaxNbViews:
+ return 10000;
+ case Graphic3d_TypeOfLimit_MaxTextureSize:
+ return !aCtx.IsNull() ? aCtx->MaxTextureSize() : 1024;
+ case Graphic3d_TypeOfLimit_MaxMsaa:
+ return !aCtx.IsNull() ? aCtx->MaxMsaaSamples() : 0;
+ case Graphic3d_TypeOfLimit_HasRayTracing:
+ return (!aCtx.IsNull() && aCtx->HasRayTracing()) ? 1 : 0;
+ case Graphic3d_TypeOfLimit_HasRayTracingTextures:
+ return (!aCtx.IsNull() && aCtx->HasRayTracingTextures()) ? 1 : 0;
+ case Graphic3d_TypeOfLimit_HasRayTracingAdaptiveSampling:
+ return (!aCtx.IsNull() && aCtx->HasRayTracingAdaptiveSampling()) ? 1 : 0;
+ case Graphic3d_TypeOfLimit_NB:
+ return 0;
}
+ return 0;
}
// =======================================================================
-// function : BeginImmediatMode
+// function : DefaultTextHeight
// purpose :
// =======================================================================
-Standard_Boolean OpenGl_GraphicDriver::BeginImmediatMode (const Graphic3d_CView& theCView,
- const Aspect_CLayer2d& /*theCUnderLayer*/,
- const Aspect_CLayer2d& /*theCOverLayer*/,
- const Standard_Boolean theDoubleBuffer,
- const Standard_Boolean theRetainMode)
+Standard_ShortReal OpenGl_GraphicDriver::DefaultTextHeight() const
{
- if (theCView.ViewId == -1)
- {
- return Standard_False;
- }
-
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView != NULL && aCView->WS->BeginImmediatMode (theCView, theDoubleBuffer, theRetainMode))
- {
- myImmediateWS = aCView->WS;
- return Standard_True;
- }
-
- return Standard_False;
+ return 16.;
}
// =======================================================================
-// function : ClearImmediatMode
+// function : EnableVBO
// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::ClearImmediatMode (const Graphic3d_CView& theCView,
- const Standard_Boolean theToFlush)
+void OpenGl_GraphicDriver::EnableVBO (const Standard_Boolean theToTurnOn)
{
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView != NULL)
- {
- aCView->WS->ClearImmediatMode (theCView, theToFlush);
- }
+ myCaps->vboDisable = !theToTurnOn;
}
// =======================================================================
-// function : DrawStructure
+// function : GetSharedContext
// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::DrawStructure (const Graphic3d_CStructure& theCStructure)
+const Handle(OpenGl_Context)& OpenGl_GraphicDriver::GetSharedContext() const
{
- OpenGl_Structure* aStructure = (OpenGl_Structure* )theCStructure.ptrStructure;
- if (aStructure == NULL)
+ if (myMapOfView.IsEmpty())
{
- return;
+ return TheNullGlCtx;
}
- if (!myImmediateWS.IsNull())
+ NCollection_Map<Handle(OpenGl_View)>::Iterator anIter (myMapOfView);
+ for (; anIter.More(); anIter.Next())
{
- myImmediateWS->DrawStructure (aStructure);
+ Handle(OpenGl_Window) aWindow = anIter.Value()->GlWindow();
+ if (aWindow.IsNull())
+ {
+ continue;
+ }
+
+ return aWindow->GetGlContext();
}
+
+ return TheNullGlCtx;
}
// =======================================================================
-// function : EndImmediatMode
+// function : MemoryInfo
// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::EndImmediatMode (const Standard_Integer )
+Standard_Boolean OpenGl_GraphicDriver::MemoryInfo (Standard_Size& theFreeBytes,
+ TCollection_AsciiString& theInfo) const
{
- if (!myImmediateWS.IsNull())
+ // this is extra work (for OpenGl_Context initialization)...
+ OpenGl_Context aGlCtx;
+ if (!aGlCtx.Init())
{
- myImmediateWS->EndImmediatMode();
- myImmediateWS.Nullify();
+ return Standard_False;
}
+ theFreeBytes = aGlCtx.AvailableMemory();
+ theInfo = aGlCtx.MemoryInfo();
+ return !theInfo.IsEmpty();
}
// =======================================================================
-// function : Print
+// function : SetBuffersNoSwap
// purpose :
// =======================================================================
-Standard_Boolean OpenGl_GraphicDriver::Print (const Graphic3d_CView& theCView,
- const Aspect_CLayer2d& theCUnderLayer,
- const Aspect_CLayer2d& theCOverLayer,
- const Aspect_Handle thePrintDC,
- const Standard_Boolean theToShowBackground,
- const Standard_CString theFilename,
- const Aspect_PrintAlgo thePrintAlgorithm,
- const Standard_Real theScaleFactor) const
+void OpenGl_GraphicDriver::SetBuffersNoSwap (const Standard_Boolean theIsNoSwap)
{
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView == NULL
- || !myPrintContext.IsNull())
- {
- return Standard_False;
- }
-
- Standard_Boolean isPrinted = Standard_False;
- myPrintContext = new OpenGl_PrinterContext();
-#ifdef _WIN32
- isPrinted = aCView->WS->Print (myPrintContext,
- theCView,
- theCUnderLayer,
- theCOverLayer,
- thePrintDC,
- theToShowBackground,
- theFilename,
- thePrintAlgorithm,
- theScaleFactor);
-#else
- Standard_NotImplemented::Raise ("OpenGl_GraphicDriver::Print is implemented only on Windows");
-#endif
- myPrintContext.Nullify();
- return isPrinted;
-}
-
-void OpenGl_GraphicDriver::SetStencilTestOptions (const Graphic3d_CGroup& theCGroup,
- const Standard_Boolean theIsEnabled)
-{
- OpenGl_StencilTest* aStencilTest = new OpenGl_StencilTest();
- aStencilTest->SetOptions (theIsEnabled);
- ((OpenGl_Group* )theCGroup.ptrGroup)->AddElement (TelNil, aStencilTest);
+ myCaps->buffersNoSwap = theIsNoSwap;
}
// =======================================================================
-// function : Text
+// function : TextSize
// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::Text (const Graphic3d_CGroup& theCGroup,
- const TCollection_ExtendedString& theText,
- const Graphic3d_Vertex& thePoint,
- const Standard_Real theHeight,
- const Quantity_PlaneAngle /*theAngle*/,
- const Graphic3d_TextPath /*theTp*/,
- const Graphic3d_HorizontalTextAlignment theHta,
- const Graphic3d_VerticalTextAlignment theVta,
- const Standard_Boolean /*theToEvalMinMax*/)
+void OpenGl_GraphicDriver::TextSize (const Handle(Graphic3d_CView)& theView,
+ const Standard_CString theText,
+ const Standard_ShortReal theHeight,
+ Standard_ShortReal& theWidth,
+ Standard_ShortReal& theAscent,
+ Standard_ShortReal& theDescent) const
{
- if (theCGroup.ptrGroup == NULL)
+ const Handle(OpenGl_Context)& aCtx = GetSharedContext();
+ if (aCtx.IsNull())
{
return;
}
- OpenGl_TextParam aParams;
- aParams.Height = int ((theHeight < 2.0) ? DefaultTextHeight() : theHeight);
- aParams.HAlign = theHta;
- aParams.VAlign = theVta;
- const OpenGl_Vec3 aPoint (thePoint.X(), thePoint.Y(), thePoint.Z());
- OpenGl_Text* aText = new OpenGl_Text (theText, aPoint, aParams);
- ((OpenGl_Group* )theCGroup.ptrGroup)->AddElement (TelText, aText);
+ const Standard_ShortReal aHeight = (theHeight < 2.0f) ? DefaultTextHeight() : theHeight;
+ OpenGl_TextParam aTextParam;
+ aTextParam.Height = (int )aHeight;
+ OpenGl_AspectText aTextAspect;
+ aTextAspect.Aspect()->SetSpace (0.3);
+ TCollection_ExtendedString anExtText = theText;
+ NCollection_String aText (anExtText.ToExtString());
+ OpenGl_Text::StringSize(aCtx, aText, aTextAspect, aTextParam, theView->RenderingParams().Resolution, theWidth, theAscent, theDescent);
}
-// =======================================================================
-// function : Text
-// purpose : Wrapper CString -> TCollection_ExtendedString
-// =======================================================================
-void OpenGl_GraphicDriver::Text (const Graphic3d_CGroup& theCGroup,
- const Standard_CString theText,
- const Graphic3d_Vertex& thePoint,
- const Standard_Real theHeight,
- const Quantity_PlaneAngle theAngle,
- const Graphic3d_TextPath theTp,
- const Graphic3d_HorizontalTextAlignment theHta,
- const Graphic3d_VerticalTextAlignment theVta,
- const Standard_Boolean theToEvalMinMax)
+//=======================================================================
+//function : addZLayerIndex
+//purpose :
+//=======================================================================
+void OpenGl_GraphicDriver::addZLayerIndex (const Graphic3d_ZLayerId theLayerId)
{
- OpenGl_GraphicDriver::Text (theCGroup, TCollection_ExtendedString (theText),
- thePoint, theHeight, theAngle, theTp, theHta, theVta, theToEvalMinMax);
+ // remove index
+ for (TColStd_SequenceOfInteger::Iterator aLayerIt (myLayerSeq); aLayerIt.More(); aLayerIt.Next())
+ {
+ if (aLayerIt.Value() == theLayerId)
+ {
+ myLayerSeq.Remove (aLayerIt);
+ break;
+ }
+ }
+
+ if (myMapOfZLayerSettings.Find (theLayerId).IsImmediate)
+ {
+ myLayerSeq.Append (theLayerId);
+ return;
+ }
+
+ for (TColStd_SequenceOfInteger::Iterator aLayerIt (myLayerSeq); aLayerIt.More(); aLayerIt.Next())
+ {
+ const Graphic3d_ZLayerSettings& aSettings = myMapOfZLayerSettings.Find (aLayerIt.Value());
+ if (aSettings.IsImmediate)
+ {
+ aLayerIt.Previous();
+ if (aLayerIt.More())
+ {
+ myLayerSeq.InsertAfter (aLayerIt, theLayerId);
+ return;
+ }
+
+ // first non-immediate layer
+ myLayerSeq.Prepend (theLayerId);
+ return;
+ }
+ }
+
+ // no immediate layers
+ myLayerSeq.Append (theLayerId);
}
-// =======================================================================
-// function : Text
-// purpose : Wrapper CString -> TCollection_ExtendedString
-// =======================================================================
-void OpenGl_GraphicDriver::Text (const Graphic3d_CGroup& theCGroup,
- const Standard_CString theText,
- const Graphic3d_Vertex& thePoint,
- const Standard_Real theHeight,
- const Standard_Boolean theToEvalMinMax)
+//=======================================================================
+//function : AddZLayer
+//purpose :
+//=======================================================================
+void OpenGl_GraphicDriver::AddZLayer (const Graphic3d_ZLayerId theLayerId)
{
- OpenGl_GraphicDriver::Text (theCGroup, TCollection_ExtendedString (theText), thePoint, theHeight, theToEvalMinMax);
+ if (theLayerId < 1)
+ {
+ Standard_ASSERT_RAISE (theLayerId > 0,
+ "OpenGl_GraphicDriver::AddZLayer, "
+ "negative and zero IDs are reserved");
+ }
+
+ myLayerIds.Add (theLayerId);
+
+ // Default z-layer settings
+ myMapOfZLayerSettings.Bind (theLayerId, Graphic3d_ZLayerSettings());
+ addZLayerIndex (theLayerId);
+
+ // Add layer to all views
+ NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView);
+ for (; aViewIt.More(); aViewIt.Next())
+ {
+ aViewIt.Value()->AddZLayer (theLayerId);
+ }
}
-// =======================================================================
-// function : Text
-// purpose : Wrapper with default values
-// =======================================================================
-void OpenGl_GraphicDriver::Text (const Graphic3d_CGroup& theCGroup,
- const TCollection_ExtendedString& theText,
- const Graphic3d_Vertex& thePoint,
- const Standard_Real theHeight,
- const Standard_Boolean theToEvalMinMax)
+//=======================================================================
+//function : RemoveZLayer
+//purpose :
+//=======================================================================
+void OpenGl_GraphicDriver::RemoveZLayer (const Graphic3d_ZLayerId theLayerId)
{
- OpenGl_GraphicDriver::Text (theCGroup,
- theText, thePoint, theHeight, 0.0,
- Graphic3d_TP_RIGHT, Graphic3d_HTA_LEFT, Graphic3d_VTA_BOTTOM,
- theToEvalMinMax);
+ Standard_ASSERT_RAISE (theLayerId > 0,
+ "OpenGl_GraphicDriver::AddZLayer, "
+ "negative and zero IDs are reserved"
+ "and can not be removed");
+
+ Standard_ASSERT_RAISE (myLayerIds.Contains (theLayerId),
+ "OpenGl_GraphicDriver::RemoveZLayer, "
+ "Layer with theLayerId does not exist");
+
+ // Remove layer from all of the views
+ NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView);
+ for (; aViewIt.More(); aViewIt.Next())
+ {
+ aViewIt.Value()->RemoveZLayer (theLayerId);
+ }
+
+ // Unset Z layer for all of the structures.
+ NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure);
+ for( ; aStructIt.More (); aStructIt.Next ())
+ {
+ OpenGl_Structure* aStruct = aStructIt.ChangeValue ();
+ if (aStruct->ZLayer() == theLayerId)
+ aStruct->SetZLayer (Graphic3d_ZLayerId_Default);
+ }
+
+ // Remove index
+ for (TColStd_SequenceOfInteger::Iterator aLayerIt (myLayerSeq); aLayerIt.More(); aLayerIt.Next())
+ {
+ if (aLayerIt.Value() == theLayerId)
+ {
+ myLayerSeq.Remove (aLayerIt);
+ break;
+ }
+ }
+
+ myMapOfZLayerSettings.UnBind (theLayerId);
+ myLayerIds.Remove (theLayerId);
}
-// =======================================================================
-// function : ZBufferTriedronSetup
-// purpose :
-// =======================================================================
-void OpenGl_GraphicDriver::ZBufferTriedronSetup (const Quantity_NameOfColor theXColor,
- const Quantity_NameOfColor theYColor,
- const Quantity_NameOfColor theZColor,
- const Standard_Real theSizeRatio,
- const Standard_Real theAxisDiametr,
- const Standard_Integer theNbFacettes)
+//=======================================================================
+//function : ZLayers
+//purpose :
+//=======================================================================
+void OpenGl_GraphicDriver::ZLayers (TColStd_SequenceOfInteger& theLayerSeq) const
{
- OpenGl_Trihedron::Setup (theXColor, theYColor, theZColor, theSizeRatio, theAxisDiametr, theNbFacettes);
+ theLayerSeq.Assign (myLayerSeq);
}
-// =======================================================================
-// function : TriedronDisplay
-// purpose :
-// =======================================================================
-void OpenGl_GraphicDriver::TriedronDisplay (const Graphic3d_CView& theCView,
- const Aspect_TypeOfTriedronPosition thePosition,
- const Quantity_NameOfColor theColor,
- const Standard_Real theScale,
- const Standard_Boolean theAsWireframe)
+//=======================================================================
+//function : SetZLayerSettings
+//purpose :
+//=======================================================================
+void OpenGl_GraphicDriver::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId,
+ const Graphic3d_ZLayerSettings& theSettings)
{
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView != NULL)
+ // Change Z layer settings in all managed views
+ NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView);
+ for (; aViewIt.More(); aViewIt.Next())
{
- aCView->View->TriedronDisplay (aCView->WS->GetGlContext(), thePosition, theColor, theScale, theAsWireframe);
+ aViewIt.Value()->SetZLayerSettings (theLayerId, theSettings);
}
-}
-// =======================================================================
-// function : TriedronErase
-// purpose :
-// =======================================================================
-void OpenGl_GraphicDriver::TriedronErase (const Graphic3d_CView& theCView)
-{
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView != NULL)
+ Graphic3d_ZLayerSettings* aSettings = myMapOfZLayerSettings.ChangeSeek (theLayerId);
+ if (aSettings != NULL)
+ {
+ const bool isChanged = (aSettings->IsImmediate != theSettings.IsImmediate);
+ *aSettings = theSettings;
+ if (isChanged)
+ {
+ addZLayerIndex (theLayerId);
+ }
+ }
+ else
{
- aCView->View->TriedronErase (aCView->WS->GetGlContext());
+ // abnormal case
+ myMapOfZLayerSettings.Bind (theLayerId, theSettings);
+ addZLayerIndex (theLayerId);
}
}
+//=======================================================================
+//function : ZLayerSettings
+//purpose :
+//=======================================================================
+Graphic3d_ZLayerSettings OpenGl_GraphicDriver::ZLayerSettings (const Graphic3d_ZLayerId theLayerId)
+{
+ Standard_ASSERT_RAISE (myLayerIds.Contains (theLayerId),
+ "OpenGl_GraphicDriver::ZLayerSettings, "
+ "Layer with theLayerId does not exist");
+
+ return myMapOfZLayerSettings.Find (theLayerId);
+}
+
// =======================================================================
-// function : TriedronEcho
+// function : Structure
// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::TriedronEcho (const Graphic3d_CView& ,
- const Aspect_TypeOfTriedronEcho )
+Handle(Graphic3d_CStructure) OpenGl_GraphicDriver::CreateStructure (const Handle(Graphic3d_StructureManager)& theManager)
{
- // do nothing
+ Handle(OpenGl_Structure) aStructure = new OpenGl_Structure (theManager);
+ myMapOfStructure.Bind (aStructure->Id, aStructure.operator->());
+ return aStructure;
}
// =======================================================================
-// function : Environment
+// function : Structure
// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::Environment (const Graphic3d_CView& theCView)
+void OpenGl_GraphicDriver::RemoveStructure (Handle(Graphic3d_CStructure)& theCStructure)
{
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView == NULL)
+ OpenGl_Structure* aStructure = NULL;
+ if (!myMapOfStructure.Find (theCStructure->Id, aStructure))
{
return;
}
- aCView->View->SetTextureEnv (aCView->WS->GetGlContext(), theCView.Context.TextureEnv);
- aCView->View->SetSurfaceDetail ((Visual3d_TypeOfSurfaceDetail)theCView.Context.SurfaceDetail);
+ myMapOfStructure.UnBind (theCStructure->Id);
+ aStructure->Release (GetSharedContext());
+ theCStructure.Nullify();
}
// =======================================================================
-// function : BackgroundImage
+// function : View
// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::BackgroundImage (const Standard_CString theFileName,
- const Graphic3d_CView& theCView,
- const Aspect_FillMethod theFillStyle)
+Handle(Graphic3d_CView) OpenGl_GraphicDriver::CreateView (const Handle(Graphic3d_StructureManager)& theMgr)
{
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView != NULL)
+ Handle(OpenGl_View) aView = new OpenGl_View (theMgr, this, myCaps, myDeviceLostFlag, &myStateCounter);
+
+ myMapOfView.Add (aView);
+
+ for (TColStd_SequenceOfInteger::Iterator aLayerIt (myLayerSeq); aLayerIt.More(); aLayerIt.Next())
{
- aCView->View->CreateBackgroundTexture (theFileName, theFillStyle);
+ const Graphic3d_ZLayerId aLayerID = aLayerIt.Value();
+ const Graphic3d_ZLayerSettings& aSettings = myMapOfZLayerSettings.Find (aLayerID);
+ aView->AddZLayer (aLayerID);
+ aView->SetZLayerSettings (aLayerID, aSettings);
}
+
+ return aView;
}
// =======================================================================
-// function : SetBgImageStyle
+// function : RemoveView
// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::SetBgImageStyle (const Graphic3d_CView& theCView,
- const Aspect_FillMethod theFillStyle)
+void OpenGl_GraphicDriver::RemoveView (const Handle(Graphic3d_CView)& theView)
{
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView != NULL)
+ Handle(OpenGl_Context) aCtx = GetSharedContext();
+ Handle(OpenGl_View) aView = Handle(OpenGl_View)::DownCast (theView);
+ if (aView.IsNull())
{
- aCView->View->SetBackgroundTextureStyle (theFillStyle);
+ return;
}
-}
-// =======================================================================
-// function : SetBgGradientStyle
-// purpose :
-// =======================================================================
-void OpenGl_GraphicDriver::SetBgGradientStyle (const Graphic3d_CView& theCView,
- const Aspect_GradientFillMethod theFillType)
-{
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView != NULL)
+ if (!myMapOfView.Remove (aView))
{
- aCView->View->SetBackgroundGradientType (theFillType);
+ return;
}
-}
-// =======================================================================
-// function : GraduatedTrihedronDisplay
-// purpose :
-// =======================================================================
-void OpenGl_GraphicDriver::GraduatedTrihedronDisplay (const Graphic3d_CView& theCView,
- const Graphic3d_CGraduatedTrihedron& theCubic)
-{
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView != NULL)
+ Handle(OpenGl_Window) aWindow = aView->GlWindow();
+ if (!aWindow.IsNull()
+ && aWindow->GetGlContext()->MakeCurrent())
{
- aCView->View->GraduatedTrihedronDisplay (aCView->WS->GetGlContext(), theCubic);
+ aCtx = aWindow->GetGlContext();
+ }
+ else
+ {
+ // try to hijack another context if any
+ const Handle(OpenGl_Context)& anOtherCtx = GetSharedContext();
+ if (!anOtherCtx.IsNull()
+ && anOtherCtx != aWindow->GetGlContext())
+ {
+ aCtx = anOtherCtx;
+ aCtx->MakeCurrent();
+ }
}
-}
-// =======================================================================
-// function : GraduatedTrihedronErase
-// purpose :
-// =======================================================================
-void OpenGl_GraphicDriver::GraduatedTrihedronErase (const Graphic3d_CView& theCView)
-{
- const OpenGl_CView* aCView = (const OpenGl_CView* )theCView.ptrView;
- if (aCView != NULL)
+ aView->ReleaseGlResources (aCtx);
+ if (myMapOfView.IsEmpty())
{
- aCView->View->GraduatedTrihedronErase (aCView->WS->GetGlContext());
+ // The last view removed but some objects still present.
+ // Release GL resources now without object destruction.
+ for (NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure);
+ aStructIt.More (); aStructIt.Next())
+ {
+ OpenGl_Structure* aStruct = aStructIt.ChangeValue();
+ aStruct->ReleaseGlResources (aCtx);
+ }
+ myDeviceLostFlag = !myMapOfStructure.IsEmpty();
}
}
// =======================================================================
-// function : GraduatedTrihedronMinMaxValues
+// function : Window
// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::GraduatedTrihedronMinMaxValues (const Standard_ShortReal theMinX,
- const Standard_ShortReal theMinY,
- const Standard_ShortReal theMinZ,
- const Standard_ShortReal theMaxX,
- const Standard_ShortReal theMaxY,
- const Standard_ShortReal theMaxZ)
-{
- OpenGl_GraduatedTrihedron::SetMinMax (theMinX, theMinY, theMinZ, theMaxX, theMaxY, theMaxZ);
+Handle(OpenGl_Window) OpenGl_GraphicDriver::CreateRenderWindow (const Handle(Aspect_Window)& theWindow,
+ const Aspect_RenderingContext theContext)
+{
+ Handle(OpenGl_Context) aShareCtx = GetSharedContext();
+ Handle(OpenGl_Window) aWindow = new OpenGl_Window (this, theWindow, theContext, myCaps, aShareCtx);
+ return aWindow;
+}
+
+//=======================================================================
+//function : ViewExists
+//purpose :
+//=======================================================================
+Standard_Boolean OpenGl_GraphicDriver::ViewExists (const Handle(Aspect_Window)& AWindow, Handle(Graphic3d_CView)& theView)
+{
+ Standard_Boolean isExist = Standard_False;
+
+ // Parse the list of views to find
+ // a view with the specified window
+
+#if defined(_WIN32) && !defined(OCCT_UWP)
+ const Handle(WNT_Window) THEWindow = Handle(WNT_Window)::DownCast (AWindow);
+ Aspect_Handle TheSpecifiedWindowId = THEWindow->HWindow ();
+#elif defined(__APPLE__) && !defined(MACOSX_USE_GLX)
+ const Handle(Cocoa_Window) THEWindow = Handle(Cocoa_Window)::DownCast (AWindow);
+ #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
+ UIView* TheSpecifiedWindowId = THEWindow->HView();
+ #else
+ NSView* TheSpecifiedWindowId = THEWindow->HView();
+ #endif
+#elif defined(__ANDROID__) || defined(__QNX__) || defined(OCCT_UWP)
+ (void )AWindow;
+ int TheSpecifiedWindowId = -1;
+#else
+ const Handle(Xw_Window) THEWindow = Handle(Xw_Window)::DownCast (AWindow);
+ int TheSpecifiedWindowId = int (THEWindow->XWindow ());
+#endif
+
+ NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView);
+ for(; aViewIt.More(); aViewIt.Next())
+ {
+ const Handle(OpenGl_View)& aView = aViewIt.Value();
+ if (aView->IsDefined() && aView->IsActive())
+ {
+ const Handle(Aspect_Window) AspectWindow = aView->Window();
+
+#if defined(_WIN32) && !defined(OCCT_UWP)
+ const Handle(WNT_Window) theWindow = Handle(WNT_Window)::DownCast (AspectWindow);
+ Aspect_Handle TheWindowIdOfView = theWindow->HWindow ();
+#elif defined(__APPLE__) && !defined(MACOSX_USE_GLX)
+ const Handle(Cocoa_Window) theWindow = Handle(Cocoa_Window)::DownCast (AspectWindow);
+ #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
+ UIView* TheWindowIdOfView = theWindow->HView();
+ #else
+ NSView* TheWindowIdOfView = theWindow->HView();
+ #endif
+#elif defined(__ANDROID__) || defined(__QNX__) || defined(OCCT_UWP)
+ int TheWindowIdOfView = 0;
+#else
+ const Handle(Xw_Window) theWindow = Handle(Xw_Window)::DownCast (AspectWindow);
+ int TheWindowIdOfView = int (theWindow->XWindow ());
+#endif // WNT
+ // Comparaison on window IDs
+ if (TheWindowIdOfView == TheSpecifiedWindowId)
+ {
+ isExist = Standard_True;
+ theView = aView;
+ }
+ }
+ }
+
+ return isExist;
}