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glx: Fix the GLX_EXT_swap_control_tear drawable attributes

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GLX_SWAP_INTERVAL_EXT is always positive, GLX_LATE_SWAPS_TEAR_EXT is how
you tell whether the drawable is set to do it. This aligns us with the
spec and NVIDIA's GLX.

Closes: mesa/mesa#10193
Fixes: 5e9e457383 glx/dri3: Implement GLX_EXT_swap_control_tear
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31655>
This commit is contained in:
Adam Jackson
2024-10-15 02:30:08 -04:00
committed by Marge Bot
parent a4b179e445
commit 858eb18952
1 changed files with 2 additions and 3 deletions
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src/glx/glx_pbuffer.c
+2 -3
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@@ -296,14 +296,13 @@ __glXGetDrawableAttribute(Display * dpy, GLXDrawable drawable,
if (pdraw) {
if (attribute == GLX_SWAP_INTERVAL_EXT) {
*value = pdraw->psc->driScreen.getSwapInterval(pdraw);
*value = abs(pdraw->psc->driScreen.getSwapInterval(pdraw));
return 1;
} else if (attribute == GLX_MAX_SWAP_INTERVAL_EXT) {
*value = pdraw->psc->driScreen.maxSwapInterval;
return 1;
} else if (attribute == GLX_LATE_SWAPS_TEAR_EXT) {
*value = __glXExtensionBitIsEnabled(pdraw->psc,
EXT_swap_control_tear_bit);
*value = pdraw->psc->driScreen.getSwapInterval(pdraw) < 0;
return 1;
}
}