From b8093f509efdbd975172fcd8cdaa3c3642cbe057 Mon Sep 17 00:00:00 2001
From: Cedric Roux <cedric.roux@eurecom.fr>
Date: Thu, 30 Aug 2018 14:25:20 +0200
Subject: [PATCH] T tracer: fix problem with some displays
This commit attempts to fix the error:
no good visual found
---
common/utils/T/tracer/gui/x.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/common/utils/T/tracer/gui/x.c b/common/utils/T/tracer/gui/x.c
index 94448eb666..ef5334767c 100644
--- a/common/utils/T/tracer/gui/x.c
+++ b/common/utils/T/tracer/gui/x.c
@@ -150,7 +150,17 @@ x_image *x_create_image(x_connection *_x, unsigned char *data,
vs = XGetVisualInfo(x->d, VisualDepthMask | VisualClassMask |
VisualRedMaskMask | VisualGreenMaskMask | VisualBlueMaskMask |
VisualBitsPerRGBMask, &template, &nvs);
- if (vs == NULL || nvs == 0) ERR("no good visual found\n");
+
+ if (vs == NULL) {
+ /* try again with 32 bpp */
+ template.depth = 32;
+ vs = XGetVisualInfo(x->d, VisualDepthMask | VisualClassMask |
+ VisualRedMaskMask | VisualGreenMaskMask | VisualBlueMaskMask |
+ VisualBitsPerRGBMask, &template, &nvs);
+ }
+
+ if (vs == NULL) ERR("no good visual found\n");
+
v = vs[0].visual;
XFree(vs);
--
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