#include <OpenGl_Context.hxx>
#include <OpenGl_Display.hxx>
-#include <OpenGl_ResourceCleaner.hxx>
-#include <OpenGl_ResourceTexture.hxx>
#include <Aspect_GraphicDeviceDefinitionError.hxx>
#include <TCollection_AsciiString.hxx>
{
static const TEL_COLOUR THE_DEFAULT_BG_COLOR = { { 0.F, 0.F, 0.F, 1.F } };
- static GLCONTEXT ThePreviousCtx = 0; // to share GL resources
-#if (!defined(_WIN32) && !defined(__WIN32__))
- static GLXContext TheDeadGlxCtx; // Context to be destroyed
- static Display* TheDeadGlxDpy; // Display associated with TheDeadGlxCtx
-#endif
-
#if (defined(_WIN32) || defined(__WIN32__))
static int find_pixel_format (HDC hDC, PIXELFORMATDESCRIPTOR* pfd, const Standard_Boolean dbuff)
{
// =======================================================================
OpenGl_Window::OpenGl_Window (const Handle(OpenGl_Display)& theDisplay,
const CALL_DEF_WINDOW& theCWindow,
- Aspect_RenderingContext theGContext)
+ Aspect_RenderingContext theGContext,
+ const Handle(OpenGl_Context)& theShareCtx)
: myDisplay (theDisplay),
- myWindow (0),
- myGContext ((GLCONTEXT )theGContext),
myGlContext (new OpenGl_Context()),
myOwnGContext (theGContext == 0),
#if (defined(_WIN32) || defined(__WIN32__))
- myWindowDC (0),
mySysPalInUse (FALSE),
#endif
myWidth ((Standard_Integer )theCWindow.dx),
myBgColor.rgb[1] = theCWindow.Background.g;
myBgColor.rgb[2] = theCWindow.Background.b;
+#if (defined(_WIN32) || defined(__WIN32__))
+ HWND aWindow = (HWND )theCWindow.XWindow;
+ HDC aWindowDC = GetDC (aWindow);
+ HGLRC aGContext = (HGLRC )theGContext;
+
+ PIXELFORMATDESCRIPTOR pfd;
+ int iPixelFormat = find_pixel_format (aWindowDC, &pfd, myDisplay->DBuffer());
+ if (iPixelFormat == 0)
+ {
+ ReleaseDC (aWindow, aWindowDC);
+
+ TCollection_AsciiString aMsg ("OpenGl_Window::CreateWindow: ChoosePixelFormat failed. Error code: ");
+ aMsg += (int )GetLastError();
+ Aspect_GraphicDeviceDefinitionError::Raise (aMsg.ToCString());
+ return;
+ }
+
+ if (pfd.dwFlags & PFD_NEED_PALETTE)
+ {
+ WINDOW_DATA* wd = (WINDOW_DATA* )GetWindowLongPtr (aWindow, GWLP_USERDATA);
+
+ mySysPalInUse = (pfd.dwFlags & PFD_NEED_SYSTEM_PALETTE) ? TRUE : FALSE;
+ InterfaceGraphic_RealizePalette (aWindowDC, wd->hPal, FALSE, mySysPalInUse);
+ }
+
+ if (myDither)
+ myDither = (pfd.cColorBits <= 8);
+
+ if (myBackDither)
+ myBackDither = (pfd.cColorBits <= 8);
+
+ if (!SetPixelFormat (aWindowDC, iPixelFormat, &pfd))
+ {
+ ReleaseDC (aWindow, aWindowDC);
+
+ TCollection_AsciiString aMsg("OpenGl_Window::CreateWindow: SetPixelFormat failed. Error code: ");
+ aMsg += (int )GetLastError();
+ Aspect_GraphicDeviceDefinitionError::Raise (aMsg.ToCString());
+ return;
+ }
+
+ if (aGContext == NULL)
+ {
+ aGContext = wglCreateContext (aWindowDC);
+ if (aGContext == NULL)
+ {
+ ReleaseDC (aWindow, aWindowDC);
+
+ TCollection_AsciiString aMsg ("OpenGl_Window::CreateWindow: wglCreateContext failed. Error code: ");
+ aMsg += (int )GetLastError();
+ Aspect_GraphicDeviceDefinitionError::Raise (aMsg.ToCString());
+ return;
+ }
+ }
+
+ // all GL context within one OpenGl_GraphicDriver should be shared!
+ if (!theShareCtx.IsNull() && wglShareLists ((HGLRC )theShareCtx->myGContext, aGContext) != TRUE)
+ {
+ TCollection_AsciiString aMsg ("OpenGl_Window::CreateWindow: wglShareLists failed. Error code: ");
+ aMsg += (int )GetLastError();
+ Aspect_GraphicDeviceDefinitionError::Raise (aMsg.ToCString());
+ return;
+ }
+
+ myGlContext->Init ((Aspect_Handle )aWindow, (Aspect_Handle )aWindowDC, (Aspect_RenderingContext )aGContext);
+#else
WINDOW aParent = (WINDOW )theCWindow.XWindow;
+ WINDOW aWindow = 0;
DISPLAY* aDisp = (DISPLAY* )myDisplay->GetDisplay();
+ GLXContext aGContext = (GLXContext )theGContext;
-#if (!defined(_WIN32) && !defined(__WIN32__))
XWindowAttributes wattr;
XGetWindowAttributes (aDisp, aParent, &wattr);
const int scr = DefaultScreen (aDisp);
aVis = XGetVisualInfo (aDisp, aVisInfoMask, &aVisInfo, &aNbItems);
}
- WINDOW win;
-
if (!myOwnGContext)
{
if (aVis != NULL)
return;
}
- win = aParent;
+ aWindow = aParent;
}
else
{
- GLCONTEXT ctx;
-
- #if defined(__linux) || defined(Linux)
+ #if defined(__linux) || defined(Linux) || defined(__APPLE__)
if (aVis != NULL)
{
// check Visual for OpenGl context's parameters compability
}
}
- if (TheDeadGlxCtx)
+ if (!theShareCtx.IsNull())
{
- // recover display lists from TheDeadGlxCtx, then destroy it
- ctx = glXCreateContext (aDisp, aVis, TheDeadGlxCtx, GL_TRUE);
-
- OpenGl_ResourceCleaner::GetInstance()->RemoveContext (TheDeadGlxCtx);
- glXDestroyContext (TheDeadGlxDpy, TheDeadGlxCtx);
-
- TheDeadGlxCtx = 0;
- }
- else if (ThePreviousCtx == 0)
- {
- ctx = glXCreateContext (aDisp, aVis, NULL, GL_TRUE);
+ // ctx est une copie du previous
+ aGContext = glXCreateContext (aDisp, aVis, (GLXContext )theShareCtx->myGContext, GL_TRUE);
}
else
{
- // ctx est une copie du previous
- ctx = glXCreateContext (aDisp, aVis, ThePreviousCtx, GL_TRUE);
+ aGContext = glXCreateContext (aDisp, aVis, NULL, GL_TRUE);
}
- if (!ctx)
+ if (!aGContext)
{
Aspect_GraphicDeviceDefinitionError::Raise ("OpenGl_Window::CreateWindow: glXCreateContext failed.");
return;
}
- OpenGl_ResourceCleaner::GetInstance()->AppendContext (ctx, true);
-
- ThePreviousCtx = ctx;
-
Colormap cmap = XCreateColormap (aDisp, aParent, aVis->visual, AllocNone);
XColor color;
if (aVis->visualid == wattr.visual->visualid)
{
- win = aParent;
+ aWindow = aParent;
}
else
{
unsigned long mask = CWBackPixel | CWColormap | CWBorderPixel | CWEventMask;
- win = XCreateWindow (aDisp, aParent, 0, 0, myWidth, myHeight, 0/*bw*/, aVis->depth, InputOutput, aVis->visual, mask, &cwa);
+ aWindow = XCreateWindow (aDisp, aParent, 0, 0, myWidth, myHeight, 0/*bw*/, aVis->depth, InputOutput, aVis->visual, mask, &cwa);
}
- XSetWindowBackground (aDisp, win, cwa.background_pixel);
- XClearWindow (aDisp, win);
+ XSetWindowBackground (aDisp, aWindow, cwa.background_pixel);
+ XClearWindow (aDisp, aWindow);
- if (win != aParent)
+ if (aWindow != aParent)
{
XEvent anEvent;
- XMapWindow (aDisp, win);
- XIfEvent (aDisp, &anEvent, WaitForNotify, (char* )win);
+ XMapWindow (aDisp, aWindow);
+ XIfEvent (aDisp, &anEvent, WaitForNotify, (char* )aWindow);
}
-
- myGContext = ctx;
}
/*
* (Carte Impact avec GLX_RED_SIZE a 5 par exemple)
*/
- int value;
- glXGetConfig (aDisp, aVis, GLX_RED_SIZE, &value);
+ int aValue;
+ glXGetConfig (aDisp, aVis, GLX_RED_SIZE, &aValue);
if (myDither)
- myDither = (value < 8);
+ myDither = (aValue < 8);
if (myBackDither)
myBackDither = (aVis->depth <= 8);
XFree ((char* )aVis);
- myWindow = win;
-
-#else
-
- myWindowDC = GetDC (aParent);
-
- PIXELFORMATDESCRIPTOR pfd;
- int iPixelFormat = find_pixel_format (myWindowDC, &pfd, myDisplay->DBuffer());
- if (iPixelFormat == 0)
- {
- ReleaseDC (aParent, myWindowDC);
- myWindowDC = 0;
-
- TCollection_AsciiString msg ("OpenGl_Window::CreateWindow: ChoosePixelFormat failed. Error code: ");
- msg += (int )GetLastError();
- Aspect_GraphicDeviceDefinitionError::Raise (msg.ToCString());
- return;
- }
-
- if (pfd.dwFlags & PFD_NEED_PALETTE)
- {
- WINDOW_DATA* wd = (WINDOW_DATA* )GetWindowLongPtr (aParent, GWLP_USERDATA);
-
- mySysPalInUse = (pfd.dwFlags & PFD_NEED_SYSTEM_PALETTE) ? TRUE : FALSE;
- InterfaceGraphic_RealizePalette (myWindowDC, wd->hPal, FALSE, mySysPalInUse);
- }
-
- if (myDither)
- myDither = (pfd.cColorBits <= 8);
-
- if (myBackDither)
- myBackDither = (pfd.cColorBits <= 8);
-
- if (!SetPixelFormat (myWindowDC, iPixelFormat, &pfd))
- {
- ReleaseDC (aParent, myWindowDC);
- myWindowDC = NULL;
-
- TCollection_AsciiString msg("OpenGl_Window::CreateWindow: SetPixelFormat failed. Error code: ");
- msg += (int)GetLastError();
- Aspect_GraphicDeviceDefinitionError::Raise (msg.ToCString());
- return;
- }
-
- if (!myOwnGContext)
- {
- ThePreviousCtx = myGContext;
- }
- else
- {
- myGContext = wglCreateContext (myWindowDC);
- if (myGContext == NULL)
- {
- ReleaseDC (aParent, myWindowDC);
- myWindowDC = NULL;
-
- TCollection_AsciiString msg ("OpenGl_Window::CreateWindow: wglCreateContext failed. Error code: ");
- msg += (int )GetLastError();
- Aspect_GraphicDeviceDefinitionError::Raise (msg.ToCString());
- return;
- }
-
- Standard_Boolean isShared = Standard_True;
- if (ThePreviousCtx == NULL)
- {
- ThePreviousCtx = myGContext;
- }
- else
- {
- // if we already have some shared context
- GLCONTEXT shareCtx = OpenGl_ResourceCleaner::GetInstance()->GetSharedContext();
- if (shareCtx != NULL)
- {
- // try to share context with one from resource cleaner list
- isShared = (Standard_Boolean )wglShareLists (shareCtx, myGContext);
- }
- else
- {
- isShared = (Standard_Boolean )wglShareLists (ThePreviousCtx, myGContext);
- // add shared ThePreviousCtx to a control list if it's not there
- if (isShared)
- OpenGl_ResourceCleaner::GetInstance()->AppendContext (ThePreviousCtx, isShared);
- }
- }
-
- // add the context to OpenGl_ResourceCleaner control list
- OpenGl_ResourceCleaner::GetInstance()->AppendContext (myGContext, isShared);
- }
-
- myWindow = aParent;
+ myGlContext->Init ((Aspect_Drawable )aWindow, (Aspect_Display )myDisplay->GetDisplay(), (Aspect_RenderingContext )aGContext);
#endif
+ myGlContext->Share (theShareCtx);
Init();
- myGlContext->Init();
}
// =======================================================================
// =======================================================================
OpenGl_Window::~OpenGl_Window()
{
- DISPLAY* aDisp = (DISPLAY* )myDisplay->GetDisplay();
- if (aDisp == NULL || !myOwnGContext)
- return;
-
#if (defined(_WIN32) || defined(__WIN32__))
- OpenGl_ResourceCleaner::GetInstance()->RemoveContext (myGContext);
-
- if (wglGetCurrentContext() != NULL)
- wglDeleteContext (myGContext);
- ReleaseDC (myWindow, myWindowDC);
+ HWND aWindow = (HWND )myGlContext->myWindow;
+ HDC aWindowDC = (HDC )myGlContext->myWindowDC;
+ HGLRC aGContext = (HGLRC )myGlContext->myGContext;
+ myGlContext.Nullify();
- if (myDisplay->myMapOfWindows.Size() == 0)
- ThePreviousCtx = 0;
-#else
- // FSXXX sync necessary if non-direct rendering
- glXWaitGL();
-
- if (ThePreviousCtx == myGContext)
+ if (myOwnGContext)
{
- ThePreviousCtx = NULL;
- if (myDisplay->myMapOfWindows.Size() > 0)
+ if (wglGetCurrentContext() != NULL)
{
- NCollection_DataMap<Standard_Integer, Handle(OpenGl_Window)>::Iterator it (myDisplay->myMapOfWindows);
- ThePreviousCtx = it.Value()->myGContext;
- }
-
- // if this is the last remaining context, do not destroy it yet, to avoid
- // losing any shared display lists (fonts...)
- if (ThePreviousCtx)
- {
- OpenGl_ResourceCleaner::GetInstance()->RemoveContext(myGContext);
- glXDestroyContext(aDisp, myGContext);
- }
- else
- {
- TheDeadGlxCtx = myGContext;
- TheDeadGlxDpy = aDisp;
+ wglDeleteContext (aGContext);
}
+ ReleaseDC (aWindow, aWindowDC);
}
- else
+#else
+ GLXDrawable aWindow = (GLXDrawable )myGlContext->myWindow;
+ Display* aDisplay = (Display* )myGlContext->myDisplay;
+ GLXContext aGContext = (GLXContext )myGlContext->myGContext;
+ myGlContext.Nullify();
+
+ if (aDisplay != NULL && myOwnGContext)
{
- OpenGl_ResourceCleaner::GetInstance()->RemoveContext (myGContext);
- glXDestroyContext (aDisp, myGContext);
+ // FSXXX sync necessary if non-direct rendering
+ glXWaitGL();
+ glXDestroyContext (aDisplay, aGContext);
}
#endif
}
// =======================================================================
Standard_Boolean OpenGl_Window::Activate()
{
- DISPLAY* aDisp = (DISPLAY* )myDisplay->GetDisplay();
- if (aDisp == NULL)
- return Standard_False;
-
-#if (defined(_WIN32) || defined(__WIN32__))
- if (!wglMakeCurrent (myWindowDC, myGContext))
- {
- //GLenum errorcode = glGetError();
- //const GLubyte *errorstring = gluErrorString(errorcode);
- //printf("wglMakeCurrent failed: %d %s\n", errorcode, errorstring);
- return Standard_False;
- }
-#else
- if (!glXMakeCurrent (aDisp, myWindow, myGContext))
- {
- // if there is no current context it might be impossible to use glGetError correctly
- //printf("glXMakeCurrent failed!\n");
- return Standard_False;
- }
-#endif
-
- return Standard_True;
+ return myGlContext->MakeCurrent();
}
// =======================================================================
myHeight = (Standard_Integer )theCWindow.dy;
#if (!defined(_WIN32) && !defined(__WIN32__))
- XResizeWindow (aDisp, myWindow, (unsigned int )myWidth, (unsigned int )myHeight);
+ XResizeWindow (aDisp, myGlContext->myWindow, (unsigned int )myWidth, (unsigned int )myHeight);
XSync (aDisp, False);
#endif
#if (defined(_WIN32) || defined(__WIN32__))
RECT cr;
- GetClientRect (myWindow, &cr);
+ GetClientRect ((HWND )myGlContext->myWindow, &cr);
myWidth = cr.right - cr.left;
myHeight = cr.bottom - cr.top;
#else
unsigned int aNewWidth = 0;
unsigned int aNewHeight = 0;
DISPLAY* aDisp = (DISPLAY* )myDisplay->GetDisplay();
- XGetGeometry (aDisp, myWindow, &aRootWin, &aDummy, &aDummy, &aNewWidth, &aNewHeight, &aDummyU, &aDummyU);
+ XGetGeometry (aDisp, myGlContext->myWindow, &aRootWin, &aDummy, &aDummy, &aNewWidth, &aNewHeight, &aDummyU, &aDummyU);
myWidth = aNewWidth;
myHeight = aNewHeight;
#endif
{
glDrawBuffer (GL_FRONT_AND_BACK);
}
+
+// =======================================================================
+// function : GetGContext
+// purpose :
+// =======================================================================
+GLCONTEXT OpenGl_Window::GetGContext() const
+{
+ return (GLCONTEXT )myGlContext->myGContext;
+}
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