[PATCH] xaudio2_9: Use new FAudioCreateReverb9 interface.

[Rémi Bernon]

XAudio 2.9 and Windows 10 introduced a new SideDelay field in the middle
of the XAUDIO2FX_REVERB_PARAMETERS structure, which causes other fields
to be offseted and incorrectly read from the parameter buffer.

FAudio 20.08 introduces this new interface to create reverb effects that
use the new parameter structure layout.

This fixes audio glitches in Dragon Quest Builders 2.

Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
---
 configure.ac          |  3 ++-
 dlls/xaudio2_7/xapo.c | 11 +++++++++++
 include/config.h.in   |  3 +++
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 65a7c5d6252..0573cb65e20 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1778,7 +1778,8 @@ then
             [WINE_CHECK_SONAME(FAudio,FAudioCreate,,,[$FAUDIO_LIBS],[[libFAudio*]])])
              WINE_CHECK_LIB_FUNCS([FAudio_CommitOperationSet \
                                    F3DAudioInitialize8 \
-                                   FAudioLinkedVersion], [$FAUDIO_LIBS])
+                                   FAudioLinkedVersion \
+                                   FAudioCreateReverb9WithCustomAllocatorEXT], [$FAUDIO_LIBS])
             ])
 fi
 WINE_NOTICE_WITH(faudio,[test "x$ac_cv_lib_soname_FAudio" = "x"],
diff --git a/dlls/xaudio2_7/xapo.c b/dlls/xaudio2_7/xapo.c
index e64523ea199..e47442959d3 100644
--- a/dlls/xaudio2_7/xapo.c
+++ b/dlls/xaudio2_7/xapo.c
@@ -313,6 +313,16 @@ static inline HRESULT get_fapo_from_clsid(REFCLSID clsid, FAPO **fapo)
             XAudio_Internal_Free,
             XAudio_Internal_Realloc
         );
+#if XAUDIO2_VER >= 9 && HAVE_FAUDIOCREATEREVERB9WITHCUSTOMALLOCATOREXT
+    if(IsEqualGUID(clsid, &CLSID_AudioReverb27))
+        return FAudioCreateReverb9WithCustomAllocatorEXT(
+            fapo,
+            0,
+            XAudio_Internal_Malloc,
+            XAudio_Internal_Free,
+            XAudio_Internal_Realloc
+        );
+#else
     if(IsEqualGUID(clsid, &CLSID_AudioReverb27))
         return FAudioCreateReverbWithCustomAllocatorEXT(
             fapo,
@@ -322,6 +332,7 @@ static inline HRESULT get_fapo_from_clsid(REFCLSID clsid, FAPO **fapo)
             XAudio_Internal_Realloc
         );
 #endif
+#endif
 #if XAUDIO2_VER >= 8 || defined XAPOFX1_VER
     if(IsEqualGUID(clsid, &CLSID_FXReverb) ||
             IsEqualGUID(clsid, &CLSID_FXEQ) ||
diff --git a/include/config.h.in b/include/config.h.in
index 4d479a6cb3d..292ac55eeb8 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -152,6 +152,9 @@
 /* Define to 1 if you have the `fallocate' function. */
 #undef HAVE_FALLOCATE
 
+/* Define to 1 if you have the `FAudioCreateReverb9WithCustomAllocatorEXT' function. */
+#undef HAVE_FAUDIOCREATEREVERB9WITHCUSTOMALLOCATOREXT
+
 /* Define to 1 if you have the `FAudioLinkedVersion' function. */
 #undef HAVE_FAUDIOLINKEDVERSION
 
-- 
2.27.0