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[PULL,23/28] system/vl.c: Expand OpenGL related errors

Message ID 20240806125157.91185-24-philmd@linaro.org (mailing list archive)
State New, archived
Headers show
Series [PULL,01/28] hw/intc/loongson_ipi: Rename LoongsonIPI -> LoongsonIPIState | expand

Commit Message

Philippe Mathieu-Daudé Aug. 6, 2024, 12:51 p.m. UTC 
From: Peter Maydell <peter.maydell@linaro.org>

Expand the OpenGL related error messages we produce for various
"OpenGL not present/not supported" cases, to hopefully guide the
user towards how to fix things.

Now if the user tries to enable GL on a backend that doesn't
support it the error message is a bit more precise:

$ qemu-system-aarch64 -M virt -device virtio-gpu-gl -display curses,gl=on
qemu-system-aarch64: OpenGL is not supported by display backend 'curses'

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20240731154136.3494621-3-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 system/vl.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/system/vl.c b/system/vl.c
index 9e8f16f155..213ee6a6a9 100644
--- a/system/vl.c
+++ b/system/vl.c
@@ -1973,9 +1973,10 @@  static void qemu_create_early_backends(void)
 
     if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
 #if defined(CONFIG_OPENGL)
-        error_report("OpenGL is not supported by the display");
+        error_report("OpenGL is not supported by display backend '%s'",
+                     DisplayType_str(dpy.type));
 #else
-        error_report("OpenGL support is disabled");
+        error_report("OpenGL support was disabled when QEMU was compiled");
 #endif
         exit(1);
     }