Mesa (staging/19.2): gallium/osmesa: Fix the inability to set no context as current.
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Mon Sep 23 18:32:12 UTC 2019
Module: Mesa
Branch: staging/19.2
Commit: 6485fd83623099034727f14ba9253941fcfc6725
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=6485fd83623099034727f14ba9253941fcfc6725
Author: Hal Gentz <zegentzy at protonmail.com>
Date: Sun Sep 15 15:29:50 2019 -0600
gallium/osmesa: Fix the inability to set no context as current.
Currently there is no way to make no context current w/gallium + osmesa.
The non-gallium version of osmesa does this if the context and buffer
passed to `OSMesaMakeCurrent` are both null. This small change makes it
so that this is also the case with the gallium version.
Cc: mesa-stable at lists.freedesktop.org
Signed-off-by: Hal Gentz <zegentzy at protonmail.com>
Reviewed-by: Eric Anholt <eric at anholt.net>
(cherry picked from commit 57c894334ee14c7075bc8c1fb8ff180631ccb527)
---
src/gallium/state_trackers/osmesa/osmesa.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/gallium/state_trackers/osmesa/osmesa.c b/src/gallium/state_trackers/osmesa/osmesa.c
index 41ff9216fc6..97db3d15653 100644
--- a/src/gallium/state_trackers/osmesa/osmesa.c
+++ b/src/gallium/state_trackers/osmesa/osmesa.c
@@ -760,6 +760,11 @@ OSMesaMakeCurrent(OSMesaContext osmesa, void *buffer, GLenum type,
struct osmesa_buffer *osbuffer;
enum pipe_format color_format;
+ if (!osmesa && !buffer) {
+ stapi->make_current(stapi, NULL, NULL, NULL);
+ return GL_TRUE;
+ }
+
if (!osmesa || !buffer || width < 1 || height < 1) {
return GL_FALSE;
}
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