// Created on: 2011-10-20
// Created by: Sergey ZERCHANINOV
-// Copyright (c) 2011-2012 OPEN CASCADE SAS
+// 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.
+#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_View.hxx>
+#include <OpenGl_StencilTest.hxx>
+#include <OpenGl_Text.hxx>
#include <OpenGl_Workspace.hxx>
-IMPLEMENT_STANDARD_HANDLE(OpenGl_GraphicDriver,Graphic3d_GraphicDriver)
+#include <Aspect_GraphicDeviceDefinitionError.hxx>
+#include <Aspect_IdentDefinitionError.hxx>
+#include <Graphic3d_StructureManager.hxx>
+#include <Message_Messenger.hxx>
+#include <OSD_Environment.hxx>
+#include <Standard_NotImplemented.hxx>
+
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>
+ #ifndef EGL_OPENGL_ES3_BIT
+ #define EGL_OPENGL_ES3_BIT 0x00000040
+ #endif
+#endif
+
namespace
{
- // Global switch - shared by whole TKOpenGl module. To be removed.
- static Standard_Boolean TheToUseVbo = Standard_True;
-
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)
+
+#if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__)
+ //! Wrapper over eglChooseConfig() called with preferred defaults.
+ static EGLConfig chooseEglSurfConfig (EGLDisplay theDisplay)
{
- Handle(OpenGl_GraphicDriver) aDriver = new OpenGl_GraphicDriver (theShrName);
- return aDriver;
+ 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
+ };
+
+ EGLConfig aCfg = NULL;
+ EGLint aNbConfigs = 0;
+ for (Standard_Integer aGlesVer = 3; aGlesVer >= 2; --aGlesVer)
+ {
+ #if defined(GL_ES_VERSION_2_0)
+ aConfigAttribs[6 * 2 + 1] = aGlesVer == 3 ? EGL_OPENGL_ES3_BIT : EGL_OPENGL_ES2_BIT;
+ #else
+ if (aGlesVer == 2)
+ {
+ break;
+ }
+ #endif
+
+ if (eglChooseConfig (theDisplay, aConfigAttribs, &aCfg, 1, &aNbConfigs) == EGL_TRUE
+ && aCfg != NULL)
+ {
+ return aCfg;
+ }
+ eglGetError();
+
+ aConfigAttribs[4 * 2 + 1] = 16; // try config with smaller depth buffer
+ if (eglChooseConfig (theDisplay, aConfigAttribs, &aCfg, 1, &aNbConfigs) == EGL_TRUE
+ && aCfg != NULL)
+ {
+ return aCfg;
+ }
+ eglGetError();
+ }
+ return aCfg;
}
-#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)
+ myMapOfStructure (1, NCollection_BaseAllocator::CommonBaseAllocator())
{
- //
+#if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX))
+ if (myDisplayConnection.IsNull())
+ {
+ //throw Aspect_GraphicDeviceDefinitionError("OpenGl_GraphicDriver: cannot connect to X server!");
+ return;
+ }
+
+ Display* aDisplay = myDisplayConnection->GetDisplay();
+ Bool toSync = ::getenv ("CSF_GraphicSync") != NULL
+ || ::getenv ("CALL_SYNCHRO_X") != NULL;
+ XSynchronize (aDisplay, toSync);
+
+#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())
+ {
+ throw Aspect_GraphicDeviceDefinitionError("OpenGl_GraphicDriver: default context can not be initialized!");
+ }
}
// =======================================================================
-// function : UserDrawCallback
+// function : ~OpenGl_GraphicDriver
// purpose :
// =======================================================================
-OpenGl_GraphicDriver::OpenGl_UserDrawCallback_t& OpenGl_GraphicDriver::UserDrawCallback()
+OpenGl_GraphicDriver::~OpenGl_GraphicDriver()
{
- return myUserDrawCallback;
+ ReleaseContext();
}
// =======================================================================
-// function : DefaultTextHeight
+// function : ReleaseContext
// purpose :
// =======================================================================
-Standard_ShortReal OpenGl_GraphicDriver::DefaultTextHeight() const
+void OpenGl_GraphicDriver::ReleaseContext()
{
- return 16.;
+ Handle(OpenGl_Context) aCtxShared;
+ for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView);
+ aViewIter.More(); aViewIter.Next())
+ {
+ const Handle(OpenGl_View)& aView = aViewIter.Value();
+ 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;
+ }
+ }
+
+ if (!aCtxShared.IsNull())
+ {
+ aCtxShared->MakeCurrent();
+ }
+ for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView);
+ aViewIter.More(); aViewIter.Next())
+ {
+ const Handle(OpenGl_View)& aView = aViewIter.Value();
+ aView->ReleaseGlResources (aCtxShared);
+ }
+
+ for (NCollection_DataMap<Standard_Integer, OpenGl_Structure*>::Iterator aStructIt (myMapOfStructure);
+ aStructIt.More (); aStructIt.Next())
+ {
+ OpenGl_Structure* aStruct = aStructIt.ChangeValue();
+ aStruct->ReleaseGlResources (aCtxShared);
+ }
+
+ const bool isDeviceLost = !myMapOfStructure.IsEmpty();
+ for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView);
+ aViewIter.More(); aViewIter.Next())
+ {
+ const Handle(OpenGl_View)& aView = aViewIter.Value();
+ if (isDeviceLost)
+ {
+ aView->StructureManager()->SetDeviceLost();
+ }
+
+ const Handle(OpenGl_Window)& aWindow = aView->GlWindow();
+ if (aWindow.IsNull())
+ {
+ continue;
+ }
+
+ aWindow->GetGlContext()->forcedRelease();
+ }
+
+#if defined(HAVE_EGL) || defined(HAVE_GLES2) || defined(OCCT_UWP) || defined(__ANDROID__) || defined(__QNX__)
+ if (myIsOwnContext)
+ {
+ 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);
+ }
+ }
+ }
+
+ myEglDisplay = (Aspect_Display )EGL_NO_DISPLAY;
+ myEglContext = (Aspect_RenderingContext )EGL_NO_CONTEXT;
+ myEglConfig = NULL;
+#endif
+ myIsOwnContext = Standard_False;
+}
+
+// =======================================================================
+// function : InitContext
+// purpose :
+// =======================================================================
+Standard_Boolean OpenGl_GraphicDriver::InitContext()
+{
+ 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;
+ }
+
+ 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;
+ }
+
+ myEglConfig = chooseEglSurfConfig ((EGLDisplay )myEglDisplay);
+ if (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 anEglCtxAttribs3[] = { EGL_CONTEXT_CLIENT_VERSION, 3, EGL_NONE, EGL_NONE };
+ EGLint anEglCtxAttribs2[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE, 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;
+ }
+ myEglContext = (Aspect_RenderingContext )eglCreateContext ((EGLDisplay )myEglDisplay, myEglConfig, EGL_NO_CONTEXT, anEglCtxAttribs3);
+ if ((EGLContext )myEglContext == EGL_NO_CONTEXT)
+ {
+ myEglContext = (Aspect_RenderingContext )eglCreateContext ((EGLDisplay )myEglDisplay, myEglConfig, EGL_NO_CONTEXT, anEglCtxAttribs2);
+ }
+#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;
+ }
+ myEglContext = (Aspect_RenderingContext )eglCreateContext ((EGLDisplay )myEglDisplay, myEglConfig, EGL_NO_CONTEXT, anEglCtxAttribs);
+#endif
+
+ 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 : InitEglContext
+// purpose :
+// =======================================================================
+Standard_Boolean OpenGl_GraphicDriver::InitEglContext (Aspect_Display theEglDisplay,
+ Aspect_RenderingContext theEglContext,
+ void* theEglConfig)
+{
+ ReleaseContext();
+#if !defined(_WIN32) && !defined(__ANDROID__) && !defined(__QNX__) && (!defined(__APPLE__) || defined(MACOSX_USE_GLX))
+ if (myDisplayConnection.IsNull())
+ {
+ return Standard_False;
+ }
+#endif
+
+ if ((EGLDisplay )theEglDisplay == EGL_NO_DISPLAY
+ || (EGLContext )theEglContext == EGL_NO_CONTEXT)
+ {
+ return Standard_False;
+ }
+ myEglDisplay = theEglDisplay;
+ myEglContext = theEglContext;
+ myEglConfig = theEglConfig;
+ if (theEglConfig == NULL)
+ {
+ myEglConfig = chooseEglSurfConfig ((EGLDisplay )myEglDisplay);
+ if (myEglConfig == NULL)
+ {
+ ::Message::DefaultMessenger()->Send ("Error: EGL does not provide compatible configurations!", Message_Fail);
+ return Standard_False;
+ }
+ }
+ return Standard_True;
}
+#endif
// =======================================================================
-// function : InvalidateAllWorkspaces
-// purpose : ex-TsmInitUpdateState, deprecated, need to decide what to do with EraseAnimation() call
+// function : InquireLimit
+// purpose :
// =======================================================================
-void OpenGl_GraphicDriver::InvalidateAllWorkspaces()
+Standard_Integer OpenGl_GraphicDriver::InquireLimit (const Graphic3d_TypeOfLimit theType) const
{
- for (NCollection_DataMap<Standard_Integer, Handle(OpenGl_Workspace)>::Iterator anIt (myMapOfWS);
- anIt.More(); anIt.Next())
+ const Handle(OpenGl_Context)& aCtx = GetSharedContext();
+ switch (theType)
{
- anIt.ChangeValue()->EraseAnimation();
+ case Graphic3d_TypeOfLimit_MaxNbLights:
+ return Graphic3d_ShaderProgram::THE_MAX_LIGHTS_DEFAULT;
+ 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_MaxCombinedTextureUnits:
+ return !aCtx.IsNull() ? aCtx->MaxCombinedTextureUnits() : 1;
+ case Graphic3d_TypeOfLimit_MaxMsaa:
+ return !aCtx.IsNull() ? aCtx->MaxMsaaSamples() : 0;
+ case Graphic3d_TypeOfLimit_MaxViewDumpSizeX:
+ return !aCtx.IsNull() ? aCtx->MaxDumpSizeX() : 1024;
+ case Graphic3d_TypeOfLimit_MaxViewDumpSizeY:
+ return !aCtx.IsNull() ? aCtx->MaxDumpSizeY() : 1024;
+ 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_HasRayTracingAdaptiveSamplingAtomic:
+ return (!aCtx.IsNull() && aCtx->HasRayTracingAdaptiveSamplingAtomic()) ? 1 : 0;
+ case Graphic3d_TypeOfLimit_HasBlendedOit:
+ return (!aCtx.IsNull()
+ && aCtx->hasDrawBuffers != OpenGl_FeatureNotAvailable
+ && (aCtx->hasFloatBuffer != OpenGl_FeatureNotAvailable || aCtx->hasHalfFloatBuffer != OpenGl_FeatureNotAvailable)) ? 1 : 0;
+ case Graphic3d_TypeOfLimit_HasBlendedOitMsaa:
+ return (!aCtx.IsNull()
+ && aCtx->hasSampleVariables != OpenGl_FeatureNotAvailable
+ && (InquireLimit (Graphic3d_TypeOfLimit_HasBlendedOit) == 1)) ? 1 : 0;
+ case Graphic3d_TypeOfLimit_HasFlatShading:
+ return !aCtx.IsNull() && aCtx->hasFlatShading != OpenGl_FeatureNotAvailable ? 1 : 0;
+ case Graphic3d_TypeOfLimit_IsWorkaroundFBO:
+ return !aCtx.IsNull() && aCtx->MaxTextureSize() != aCtx->MaxDumpSizeX() ? 1 : 0;
+ case Graphic3d_TypeOfLimit_HasMeshEdges:
+ return !aCtx.IsNull() && aCtx->hasGeometryStage != OpenGl_FeatureNotAvailable ? 1 : 0;
+ case Graphic3d_TypeOfLimit_NB:
+ return 0;
}
+ return 0;
}
// =======================================================================
-// function : ToUseVBO
+// function : DefaultTextHeight
// purpose :
// =======================================================================
-Standard_Boolean OpenGl_GraphicDriver::ToUseVBO()
+Standard_ShortReal OpenGl_GraphicDriver::DefaultTextHeight() const
{
- return TheToUseVbo;
+ return 16.;
}
// =======================================================================
// =======================================================================
void OpenGl_GraphicDriver::EnableVBO (const Standard_Boolean theToTurnOn)
{
- TheToUseVbo = theToTurnOn;
+ myCaps->vboDisable = !theToTurnOn;
}
// =======================================================================
// function : GetSharedContext
// purpose :
// =======================================================================
-const Handle(OpenGl_Context)& OpenGl_GraphicDriver::GetSharedContext() const
+const Handle(OpenGl_Context)& OpenGl_GraphicDriver::GetSharedContext (bool theBound) const
{
- if (myMapOfWS.IsEmpty())
+ if (myMapOfView.IsEmpty())
{
return TheNullGlCtx;
}
- NCollection_DataMap<Standard_Integer, Handle(OpenGl_Workspace)>::Iterator anIter (myMapOfWS);
- return anIter.Value()->GetGlContext();
+ for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); aViewIter.More(); aViewIter.Next())
+ {
+ if (const Handle(OpenGl_Window)& aWindow = aViewIter.Value()->GlWindow())
+ {
+ if (!theBound)
+ {
+ return aWindow->GetGlContext();
+ }
+ else if (aWindow->GetGlContext()->IsCurrent())
+ {
+ return aWindow->GetGlContext();
+ }
+ }
+ }
+
+ return TheNullGlCtx;
}
// =======================================================================
theInfo = aGlCtx.MemoryInfo();
return !theInfo.IsEmpty();
}
+
+// =======================================================================
+// function : SetBuffersNoSwap
+// purpose :
+// =======================================================================
+void OpenGl_GraphicDriver::SetBuffersNoSwap (const Standard_Boolean theIsNoSwap)
+{
+ myCaps->buffersNoSwap = theIsNoSwap;
+}
+
+// =======================================================================
+// function : TextSize
+// purpose :
+// =======================================================================
+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
+{
+ const Handle(OpenGl_Context)& aCtx = GetSharedContext();
+ if (aCtx.IsNull())
+ {
+ return;
+ }
+
+ const Standard_ShortReal aHeight = (theHeight < 2.0f) ? DefaultTextHeight() : theHeight;
+ OpenGl_TextParam aTextParam;
+ aTextParam.Height = (int )aHeight;
+ OpenGl_Aspects aTextAspect;
+ TCollection_ExtendedString anExtText = theText;
+ NCollection_String aText (anExtText.ToExtString());
+ OpenGl_Text::StringSize(aCtx, aText, aTextAspect, aTextParam, theView->RenderingParams().Resolution, theWidth, theAscent, theDescent);
+}
+
+//=======================================================================
+//function : AddZLayer
+//purpose :
+//=======================================================================
+void OpenGl_GraphicDriver::AddZLayer (const Graphic3d_ZLayerId theLayerId)
+{
+ 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 : RemoveZLayer
+//purpose :
+//=======================================================================
+void OpenGl_GraphicDriver::RemoveZLayer (const Graphic3d_ZLayerId theLayerId)
+{
+ 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 : SetZLayerSettings
+//purpose :
+//=======================================================================
+void OpenGl_GraphicDriver::SetZLayerSettings (const Graphic3d_ZLayerId theLayerId,
+ const Graphic3d_ZLayerSettings& theSettings)
+{
+ base_type::SetZLayerSettings (theLayerId, theSettings);
+
+ // Change Z layer settings in all managed views
+ for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIt (myMapOfView); aViewIt.More(); aViewIt.Next())
+ {
+ aViewIt.Value()->SetZLayerSettings (theLayerId, theSettings);
+ }
+}
+
+// =======================================================================
+// function : Structure
+// purpose :
+// =======================================================================
+Handle(Graphic3d_CStructure) OpenGl_GraphicDriver::CreateStructure (const Handle(Graphic3d_StructureManager)& theManager)
+{
+ Handle(OpenGl_Structure) aStructure = new OpenGl_Structure (theManager);
+ myMapOfStructure.Bind (aStructure->Id, aStructure.operator->());
+ return aStructure;
+}
+
+// =======================================================================
+// function : Structure
+// purpose :
+// =======================================================================
+void OpenGl_GraphicDriver::RemoveStructure (Handle(Graphic3d_CStructure)& theCStructure)
+{
+ OpenGl_Structure* aStructure = NULL;
+ if (!myMapOfStructure.Find (theCStructure->Id, aStructure))
+ {
+ return;
+ }
+
+ myMapOfStructure.UnBind (theCStructure->Id);
+ aStructure->Release (GetSharedContext());
+ theCStructure.Nullify();
+}
+
+// =======================================================================
+// function : View
+// purpose :
+// =======================================================================
+Handle(Graphic3d_CView) OpenGl_GraphicDriver::CreateView (const Handle(Graphic3d_StructureManager)& theMgr)
+{
+ Handle(OpenGl_View) aView = new OpenGl_View (theMgr, this, myCaps, &myStateCounter);
+
+ myMapOfView.Add (aView);
+
+ for (TColStd_SequenceOfInteger::Iterator aLayerIt (myLayerSeq); aLayerIt.More(); aLayerIt.Next())
+ {
+ const Graphic3d_ZLayerId aLayerID = aLayerIt.Value();
+ const Graphic3d_ZLayerSettings& aSettings = myMapOfZLayerSettings.Find (aLayerID);
+ aView->AddZLayer (aLayerID);
+ aView->SetZLayerSettings (aLayerID, aSettings);
+ }
+
+ return aView;
+}
+
+// =======================================================================
+// function : RemoveView
+// purpose :
+// =======================================================================
+void OpenGl_GraphicDriver::RemoveView (const Handle(Graphic3d_CView)& theView)
+{
+ Handle(OpenGl_Context) aCtx = GetSharedContext();
+ Handle(OpenGl_View) aView = Handle(OpenGl_View)::DownCast (theView);
+ if (aView.IsNull())
+ {
+ return;
+ }
+
+ if (!myMapOfView.Remove (aView))
+ {
+ return;
+ }
+
+ Handle(OpenGl_Window) aWindow = aView->GlWindow();
+ if (!aWindow.IsNull()
+ && aWindow->GetGlContext()->MakeCurrent())
+ {
+ 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();
+ }
+ }
+
+ aView->ReleaseGlResources (aCtx);
+ if (myMapOfView.IsEmpty())
+ {
+ // 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);
+ }
+
+ if (!myMapOfStructure.IsEmpty())
+ {
+ aView->StructureManager()->SetDeviceLost();
+ }
+ }
+}
+
+// =======================================================================
+// function : Window
+// purpose :
+// =======================================================================
+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;
+}
+
+//=======================================================================
+//function : setDeviceLost
+//purpose :
+//=======================================================================
+void OpenGl_GraphicDriver::setDeviceLost()
+{
+ if (myMapOfStructure.IsEmpty())
+ {
+ return;
+ }
+
+ for (NCollection_Map<Handle(OpenGl_View)>::Iterator aViewIter (myMapOfView); aViewIter.More(); aViewIter.Next())
+ {
+ const Handle(OpenGl_View)& aView = aViewIter.Value();
+ if (aView->myWasRedrawnGL)
+ {
+ aView->StructureManager()->SetDeviceLost();
+ }
+ }
+}
projects / occt.git / blobdiff