2 files changed, 64 insertions, 2 deletions
diff --git a/src/gui/egl/qegl.cpp b/src/gui/egl/qegl.cpp
index b870523..498245c 100644
--- a/src/gui/egl/qegl.cpp
+++ b/src/gui/egl/qegl.cpp
@@ -528,6 +528,11 @@ QEglProperties QEglContext::configProperties() const
     return QEglProperties(config());
 }
 
+#if (defined(EGL_KHR_image) || defined(EGL_KHR_image_base)) && !defined(EGL_EGLEXT_PROTOTYPES)
+_eglCreateImageKHR eglCreateImageKHR = 0;
+_eglDestroyImageKHR eglDestroyImageKHR = 0;
+#endif
+
 EGLDisplay QEgl::display()
 {
     static EGLDisplay dpy = EGL_NO_DISPLAY;
@@ -549,6 +554,14 @@ EGLDisplay QEgl::display()
             qWarning() << "QEgl::display(): Cannot initialize EGL display:" << QEgl::errorString();
             return EGL_NO_DISPLAY;
         }
+
+        // Resolve the egl extension function pointers:
+#if !defined(EGL_KHR_image) && !defined(EGL_KHR_image_base)
+        if (QEgl::hasExtension("EGL_KHR_image") || QEgl::hasExtension("EGL_KHR_image_base")) {
+            eglCreateImageKHR = (_eglCreateImageKHR) eglGetProcAddress("eglCreateImageKHR");
+            eglDestroyImageKHR = (_eglDestroyImageKHR) eglGetProcAddress("eglDestroyImageKHR");
+        }
+#endif
     }
 
     return dpy;
diff --git a/src/gui/egl/qegl_p.h b/src/gui/egl/qegl_p.h
index 7dad9fe..540cd3d 100644
--- a/src/gui/egl/qegl_p.h
+++ b/src/gui/egl/qegl_p.h
@@ -100,13 +100,63 @@ typedef NativeDisplayType EGLNativeDisplayType;
 QT_END_INCLUDE_NAMESPACE
 
 #include <QtGui/qpaintdevice.h>
-
 #include <QFlags>
 
 QT_BEGIN_NAMESPACE
 
 #define QEGL_NO_CONFIG ((EGLConfig)-1)
 
+#ifndef EGLAPIENTRY
+#define EGLAPIENTRY
+#endif
+
+// Try to get some info to debug the symbian build failues:
+#ifdef Q_OS_SYMBIAN
+
+#ifdef EGL_KHR_image
+#warning "EGL_KHR_image is defined"
+#else
+#warning "EGL_KHR_image is NOT defined"
+#endif
+
+#ifdef EGL_KHR_image_base
+#warning "EGL_KHR_image_base is defined"
+#else
+#warning "EGL_KHR_image_base is NOT defined"
+#endif
+
+#ifdef EGL_EGLEXT_PROTOTYPES
+#warning "EGL_EGLEXT_PROTOTYPES is defined"
+#else
+#warning "EGL_EGLEXT_PROTOTYPES NOT not defined"
+#endif
+
+#endif
+
+
+// Declare/define the bits of EGL_KHR_image_base we need:
+#if !defined(EGL_KHR_image) && !defined(EGL_KHR_image_base)
+typedef void *EGLImageKHR;
+#define EGL_NO_IMAGE_KHR            ((EGLImageKHR)0)
+#define EGL_IMAGE_PRESERVED_KHR     0x30D2
+#endif
+
+// It is possible that something has included eglext.h (like Symbian 10.1's broken egl.h), in
+// which case, EGL_KHR_image/EGL_KHR_image_base will be defined. They may have also defined
+// the actual function prototypes, but generally EGL_EGLEXT_PROTOTYPES will be defined in that
+// case and we shouldn't re-define them here.
+#if (defined(EGL_KHR_image) || defined(EGL_KHR_image_base)) && !defined(EGL_EGLEXT_PROTOTYPES)
+typedef EGLImageKHR (EGLAPIENTRY *_eglCreateImageKHR)(EGLDisplay, EGLContext, EGLenum, EGLClientBuffer, EGLint*);
+typedef EGLBoolean (EGLAPIENTRY *_eglDestroyImageKHR)(EGLDisplay, EGLImageKHR);
+
+// Defined in qegl.cpp:
+extern Q_GUI_EXPORT _eglCreateImageKHR eglCreateImageKHR;
+extern Q_GUI_EXPORT _eglDestroyImageKHR eglDestroyImageKHR;
+#endif // (defined(EGL_KHR_image) || defined(EGL_KHR_image_base)) && !defined(EGL_EGLEXT_PROTOTYPES)
+
+#if !defined(EGL_KHR_image) && !defined(EGL_KHR_image_pixmap)
+#define EGL_NATIVE_PIXMAP_KHR       0x30B0
+#endif
 
 
 class QEglProperties;
@@ -132,7 +182,6 @@ namespace QEgl {
     };
     Q_DECLARE_FLAGS(ConfigOptions, ConfigOption);
 
-
     // Most of the time we use the same config for things like widgets & pixmaps, so rather than
     // go through the eglChooseConfig loop every time, we use defaultConfig, which will return
     // the config for a particular device/api/option combo. This function assumes that once a