From 6e90ea5d3a677b1f073effab2eef34edc328075b Mon Sep 17 00:00:00 2001
From: Austin English <austinenglish@gmail.com>
Date: Sat, 28 Feb 2015 00:34:07 +0100
Subject: wined3d: Allow to specify multisampling AA quality levels via
 registry.

---
 dlls/wined3d/directx.c         | 11 +++++++++--
 dlls/wined3d/wined3d_main.c    | 12 ++++++++++++
 dlls/wined3d/wined3d_private.h |  1 +
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 4ca13f4..94a2f7b 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -4231,9 +4231,16 @@ HRESULT CDECL wined3d_check_device_multisample_type(const struct wined3d *wined3
 
     if (quality_levels)
     {
-        if (multisample_type == WINED3D_MULTISAMPLE_NON_MASKABLE)
-            /* FIXME: This is probably wrong. */
+        if (wined3d_settings.msaa_quality_levels)
+        {
+            *quality_levels = wined3d_settings.msaa_quality_levels;
+            TRACE("Overriding MSAA quality levels to %i\n", *quality_levels);
+        }
+        else if (multisample_type == WINED3D_MULTISAMPLE_NON_MASKABLE)
+        {
             *quality_levels = gl_info->limits.samples;
+            WARN("probably wrong, setting quality_levels to %d\n", *quality_levels);
+        }
         else
             *quality_levels = 1;
     }
diff --git a/dlls/wined3d/wined3d_main.c b/dlls/wined3d/wined3d_main.c
index 758ba43..0bf6c9f 100644
--- a/dlls/wined3d/wined3d_main.c
+++ b/dlls/wined3d/wined3d_main.c
@@ -76,6 +76,7 @@ struct wined3d_settings wined3d_settings =
     ORM_FBO,        /* Use FBOs to do offscreen rendering */
     PCI_VENDOR_NONE,/* PCI Vendor ID */
     PCI_DEVICE_NONE,/* PCI Device ID */
+    0,              /* Multisampling AA Quality Levels */
     0,              /* The default of memory is set in init_driver_info */
     NULL,           /* No wine logo by default */
     TRUE,           /* Multisampling enabled by default. */
@@ -251,6 +252,17 @@ static BOOL wined3d_dll_init(HINSTANCE hInstDLL)
                 wined3d_settings.pci_vendor_id = pci_vendor_id;
             }
         }
+        if (!get_config_key( hkey, appkey, "MultisamplingAAQualityLevels", buffer, size ))
+        {
+            int quality_levels = atoi(buffer);
+            if(quality_levels > 0)
+            {
+                wined3d_settings.msaa_quality_levels = quality_levels;
+                TRACE("Setting MultisamplingAAQualityLevels to %i\n", quality_levels);
+            }
+            else
+                ERR("MultisamplingAAQualityLevels is %i but must be >0\n", quality_levels);
+        }
         if ( !get_config_key( hkey, appkey, "VideoMemorySize", buffer, size) )
         {
             int TmpVideoMemorySize = atoi(buffer);
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index b0c7a53..2f2511e 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -269,6 +269,7 @@ struct wined3d_settings
     unsigned short pci_vendor_id;
     unsigned short pci_device_id;
     /* Memory tracking and object counting. */
+    unsigned int msaa_quality_levels;
     UINT64 emulated_textureram;
     char *logo;
     int allow_multisampling;
-- 
2.3.0