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Added patch to better detect broken nVidia RandR 1.2 support.

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This commit is contained in:
Erich E. Hoover
2014-08-09 13:21:52 -06:00
parent d021d173a9
commit ea409cf4fa
5 changed files with 110 additions and 1 deletions
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86
patches/winex11-Limited_Resolutions/0001-winex11.drv-Update-the-check-for-broken-nVidia-RandR.patch Normal file
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@@ -0,0 +1,86 @@
From dcaf0bbafbfa6cfb89803c363f464c4766c972ff Mon Sep 17 00:00:00 2001
From: "Erich E. Hoover" <erich.e.hoover@gmail.com>
Date: Sat, 9 Aug 2014 13:15:09 -0600
Subject: winex11.drv: Update the check for broken nVidia RandR to test for
the number of resolutions instead of the number of modes.
---
dlls/winex11.drv/xrandr.c | 48 +++++++++++++++++++++++++++++++--------------
1 file changed, 33 insertions(+), 15 deletions(-)
diff --git a/dlls/winex11.drv/xrandr.c b/dlls/winex11.drv/xrandr.c
index fc09020..bcad0ce 100644
--- a/dlls/winex11.drv/xrandr.c
+++ b/dlls/winex11.drv/xrandr.c
@@ -389,6 +389,7 @@ static int xrandr12_init_modes(void)
XRRScreenResources *resources;
XRROutputInfo *output_info;
XRRCrtcInfo *crtc_info;
+ int resolution_count;
int ret = -1;
int i, j;
@@ -434,21 +435,6 @@ static int xrandr12_init_modes(void)
goto done;
}
- /* Recent (304.64, possibly earlier) versions of the nvidia driver only
- * report a DFP's native mode through RandR 1.2 / 1.3. Standard DMT modes
- * are only listed through RandR 1.0 / 1.1. This is completely useless,
- * but NVIDIA considers this a feature, so it's unlikely to change. The
- * best we can do is to fall back to RandR 1.0 and encourage users to
- * consider more cooperative driver vendors when we detect such a
- * configuration. */
- if (output_info->nmode == 1 && XQueryExtension( gdi_display, "NV-CONTROL", &i, &j, &ret ))
- {
- ERR_(winediag)("Broken NVIDIA RandR detected, falling back to RandR 1.0. "
- "Please consider using the Nouveau driver instead.\n");
- ret = -1;
- goto done;
- }
-
if (!(xrandr12_modes = HeapAlloc( GetProcessHeap(), 0, sizeof(*xrandr12_modes) * output_info->nmode )))
{
ERR("Failed to allocate xrandr mode info array.\n");
@@ -480,6 +466,38 @@ static int xrandr12_init_modes(void)
}
}
+ resolution_count = 0;
+ for (i = 0; i < xrandr_mode_count; ++i)
+ {
+ int duplicate_resolution = 0;
+
+ for (j = 0; j < i; ++j)
+ {
+ if(dd_modes[i].width == dd_modes[j].width && dd_modes[i].height == dd_modes[j].height)
+ {
+ duplicate_resolution = 1;
+ break;
+ }
+ }
+
+ if (!duplicate_resolution) resolution_count++;
+ }
+
+ /* Recent (304.64, possibly earlier) versions of the nvidia driver only
+ * report a DFP's native mode through RandR 1.2 / 1.3. Standard DMT modes
+ * are only listed through RandR 1.0 / 1.1. This is completely useless,
+ * but NVIDIA considers this a feature, so it's unlikely to change. The
+ * best we can do is to fall back to RandR 1.0 and encourage users to
+ * consider more cooperative driver vendors when we detect such a
+ * configuration. */
+ if (resolution_count == 1 && XQueryExtension( gdi_display, "NV-CONTROL", &i, &j, &ret ))
+ {
+ ERR_(winediag)("Broken NVIDIA RandR detected, falling back to RandR 1.0. "
+ "Please consider using the Nouveau driver instead.\n");
+ ret = -1;
+ goto done;
+ }
+
X11DRV_Settings_AddDepthModes();
ret = 0;
--
1.7.9.5

4
patches/winex11-Limited_Resolutions/definition Normal file
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@@ -0,0 +1,4 @@
Author: Erich E. Hoover
Subject: Update the check for broken nVidia RandR to test for the number of resolutions instead of the number of modes.
Revision: 1
Fixes: nVidia driver for high-end laptop cards does not list all supported resolutions