[PATCH 1/2] dri2: Add DRI2CreateDrawable2.

[Michel Dänzer]

From: Michel Dänzer <michel.daenzer at amd.com>

Same as DRI2CreateDrawable, except it can return the DRI2 specific XID of the
DRI2 drawable reference to the base drawable.

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 hw/xfree86/dri2/dri2.c |   15 +++++++++++++--
 hw/xfree86/dri2/dri2.h |    7 +++++++
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index 2ea0c33..63feed5 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -333,8 +333,9 @@ DRI2AddDrawableRef(DRI2DrawablePtr pPriv, XID id, XID dri2_id,
 }
 
 int
-DRI2CreateDrawable(ClientPtr client, DrawablePtr pDraw, XID id,
-                   DRI2InvalidateProcPtr invalidate, void *priv)
+DRI2CreateDrawable2(ClientPtr client, DrawablePtr pDraw, XID id,
+                    DRI2InvalidateProcPtr invalidate, void *priv,
+                    XID *dri2_id_out)
 {
     DRI2DrawablePtr pPriv;
     DRI2ClientPtr dri2_client = dri2ClientPrivate(client);
@@ -354,9 +355,19 @@ DRI2CreateDrawable(ClientPtr client, DrawablePtr pDraw, XID id,
     if (rc != Success)
         return rc;
 
+    if (dri2_id_out)
+        *dri2_id_out = dri2_id;
+
     return Success;
 }
 
+int
+DRI2CreateDrawable(ClientPtr client, DrawablePtr pDraw, XID id,
+                   DRI2InvalidateProcPtr invalidate, void *priv)
+{
+    return DRI2CreateDrawable2(client, pDraw, id, invalidate, priv, NULL);
+}
+
 static int
 DRI2DrawableGone(pointer p, XID id)
 {
diff --git a/hw/xfree86/dri2/dri2.h b/hw/xfree86/dri2/dri2.h
index da7825e..1e7afdd 100644
--- a/hw/xfree86/dri2/dri2.h
+++ b/hw/xfree86/dri2/dri2.h
@@ -274,6 +274,13 @@ extern _X_EXPORT int DRI2CreateDrawable(ClientPtr client,
                                         DRI2InvalidateProcPtr invalidate,
                                         void *priv);
 
+extern _X_EXPORT int DRI2CreateDrawable2(ClientPtr client,
+                                         DrawablePtr pDraw,
+                                         XID id,
+                                         DRI2InvalidateProcPtr invalidate,
+                                         void *priv,
+                                         XID *dri2_id_out);
+
 extern _X_EXPORT DRI2BufferPtr *DRI2GetBuffers(DrawablePtr pDraw,
                                                int *width,
                                                int *height,
-- 
1.7.10.4