On Donnerstag 08 Dezember 2005 02:08, Ampere K. Hardraade wrote:
> https://bugs.freedesktop.org/show_bug.cgi?id=5142
>
> So, the problem seems to be that pbuffer is not supported?
Can you test the attached patch?
Greetings
Mathias
--
Mathias Fröhlich, email: [EMAIL PROTECTED]
Index: simgear/screen/RenderTexture.cpp
===================================================================
RCS file: /var/cvs/SimGear-0.3/SimGear/simgear/screen/RenderTexture.cpp,v
retrieving revision 1.15
diff -u -r1.15 RenderTexture.cpp
--- simgear/screen/RenderTexture.cpp 27 Nov 2005 09:48:51 -0000 1.15
+++ simgear/screen/RenderTexture.cpp 12 Dec 2005 18:01:44 -0000
@@ -1820,6 +1820,9 @@
}
#elif defined( __APPLE__ )
#else
+ Display* dpy = glXGetCurrentDisplay();
+ int minor = 0, major = 0;
+ glXQueryVersion(dpy, &minor, &major);
// First try the glX version 1.3 functions.
glXChooseFBConfigPtr = (glXChooseFBConfigProc)SGLookupFunction("glXChooseFBConfig");
@@ -1829,7 +1832,8 @@
glXDestroyPbufferPtr = (glXDestroyPbufferProc)SGLookupFunction("glXDestroyPbuffer");
glXQueryDrawablePtr = (glXQueryDrawableProc)SGLookupFunction("glXQueryDrawable");
- if (glXChooseFBConfigPtr &&
+ if (((1 <= major && 3 <= minor) || 2 <= major) &&
+ glXChooseFBConfigPtr &&
glXCreatePbufferPtr &&
glXGetVisualFromFBConfigPtr &&
glXCreateContextPtr &&
@@ -1838,6 +1842,12 @@
glXVersion1_3Present = true;
else
{
+ int screen = DefaultScreen(dpy);
+ const char* extString = glXQueryExtensionsString(dpy, screen);
+ if (!SGSearchExtensionsString(extString, "GLX_SGIX_fbconfig") ||
+ !SGSearchExtensionsString(extString, "GLX_SGIX_pbuffer"))
+ return false;
+
glXChooseFBConfigPtr = (glXChooseFBConfigProc)SGLookupFunction("glXChooseFBConfigSGIX");
glXCreateGLXPbufferPtr = (glXCreateGLXPbufferProc)SGLookupFunction("glXCreateGLXPbufferSGIX");
glXGetVisualFromFBConfigPtr = (glXGetVisualFromFBConfigProc)SGLookupFunction("glXGetVisualFromFBConfigSGIX");
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