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Diffstat (limited to 'src/glx/x11/glxext.c')
-rw-r--r--src/glx/x11/glxext.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/glx/x11/glxext.c b/src/glx/x11/glxext.c
index cb187717f1..d0a7a64445 100644
--- a/src/glx/x11/glxext.c
+++ b/src/glx/x11/glxext.c
@@ -1019,7 +1019,15 @@ static void queryExtensions(__GLXscreenConfigs *psc)
extensions = psc->driScreen.getExtensions(&psc->driScreen);
for (i = 0; extensions[i]; i++) {
- /* Unknown extension, just ignore... */
+#ifdef __DRI_COPY_SUB_BUFFER
+ if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) {
+ psc->copySubBuffer = (__DRIcopySubBufferExtension *) extensions[i];
+ __glXScrEnableExtension(&psc->driScreen,
+ "GLX_MESA_copy_sub_buffer");
+
+ }
+#endif
+ /* Ignore unknown extensions */
}
}