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-rw-r--r--src/mesa/drivers/x11/xmesaP.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/drivers/x11/xmesaP.h b/src/mesa/drivers/x11/xmesaP.h
index 5516031ffe7..85cb6b66363 100644
--- a/src/mesa/drivers/x11/xmesaP.h
+++ b/src/mesa/drivers/x11/xmesaP.h
@@ -224,6 +224,7 @@ struct xmesa_buffer {
GLint db_mode; /* 0 = single buffered */
/* BACK_PIXMAP = use Pixmap for back buffer */
/* BACK_XIMAGE = use XImage for back buffer */
+ GLboolean swAlpha;
GLuint shm; /* X Shared Memory extension status: */
/* 0 = not available */