Let Irrlicht use an externally created OpenGL context and surface.

Linux only for now.  Others can come later.

2 files changed, 20 insertions, 2 deletions

diff --git a/libraries/irrlicht-1.8/include/SIrrCreationParameters.h b/libraries/irrlicht-1.8/include/SIrrCreationParameters.h
index cbf558d..89dff19 100644
--- a/libraries/irrlicht-1.8/include/SIrrCreationParameters.h
+++ b/libraries/irrlicht-1.8/include/SIrrCreationParameters.h
@@ -9,6 +9,7 @@
 #include "EDeviceTypes.h"

 #include "dimension2d.h"

 #include "ILogger.h"

+#include "SExposedVideoData.h"

 

 namespace irr

 {

@@ -37,6 +38,7 @@ namespace irr
                         HighPrecisionFPU(false),

                         EventReceiver(0),

                         WindowId(0),

+                        VideoData(0),

 #ifdef _DEBUG

                         LoggingLevel(ELL_DEBUG),

 #else

@@ -72,6 +74,7 @@ namespace irr
                         HighPrecisionFPU = other.HighPrecisionFPU;

                         EventReceiver = other.EventReceiver;

                         WindowId = other.WindowId;

+                        VideoData = other.VideoData;

                         LoggingLevel = other.LoggingLevel;

                         DriverMultithreaded = other.DriverMultithreaded;

                         DisplayAdapter = other.DisplayAdapter;

@@ -258,6 +261,8 @@ namespace irr
                 do it how you like. */

                 void* WindowId;

 

+                video::SExposedVideoData *VideoData;

+

                 //! Specifies the logging level used in the logging interface.

                 /** The default value is ELL_INFORMATION. You can access the ILogger interface

                 later on from the IrrlichtDevice with getLogger() and set another level.

diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CIrrDeviceLinux.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CIrrDeviceLinux.cpp
index f9d2d00..6339b6a 100644
--- a/libraries/irrlicht-1.8/source/Irrlicht/CIrrDeviceLinux.cpp
+++ b/libraries/irrlicht-1.8/source/Irrlicht/CIrrDeviceLinux.cpp
@@ -375,7 +375,10 @@ bool CIrrDeviceLinux::createWindow()
         XSetErrorHandler(IrrPrintXError);

 #endif

 

-        display = XOpenDisplay(0);

+        if (CreationParams.VideoData)
+                display = (Display *) CreationParams.VideoData->OpenGLLinux.X11Display;

+        if (!display)

+                display = XOpenDisplay(0);

         if (!display)

         {

                 os::Printer::log("Error: Need running XServer to start Irrlicht Engine.", ELL_ERROR);

@@ -719,7 +722,17 @@ bool CIrrDeviceLinux::createWindow()
         Context=0;

         if (isAvailableGLX && CreationParams.DriverType==video::EDT_OPENGL)

         {

-        if (UseGLXWindow)

+        if (CreationParams.VideoData)
+                Context = (GLXContext) CreationParams.VideoData->OpenGLLinux.X11Context;

+        if (Context)

+        {

+                if (!glXMakeCurrent(display, window, Context))

+                {

+                        os::Printer::log("Could not make context current.", ELL_WARNING);

+                        glXDestroyContext(display, Context);

+                }

+        }

+        else if (UseGLXWindow)

         {

                 glxWin=glXCreateWindow(display,glxFBConfig,window,NULL);

                 if (glxWin)