From 6e0cd291327a295714effbdd730068ae8843ba11 Mon Sep 17 00:00:00 2001
From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Mon, 26 Jun 2017 14:44:43 +0200
Subject: mesa: add KHR_no_error support for glClientWaitSync()

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
---
 src/mapi/glapi/gen/ARB_sync.xml |  2 +-
 src/mesa/main/syncobj.c         | 10 ++++++++++
 src/mesa/main/syncobj.h         |  3 +++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/mapi/glapi/gen/ARB_sync.xml b/src/mapi/glapi/gen/ARB_sync.xml
index d8a1c34e0c8..141d5aeef3c 100644
--- a/src/mapi/glapi/gen/ARB_sync.xml
+++ b/src/mapi/glapi/gen/ARB_sync.xml
@@ -54,7 +54,7 @@
         <param name="sync" type="GLsync"/>
     </function>
 
-    <function name="ClientWaitSync" es2="3.0">
+    <function name="ClientWaitSync" es2="3.0" no_error="true">
         <param name="sync" type="GLsync"/>
         <param name="flags" type="GLbitfield"/>
 	<param name="timeout" type="GLuint64"/>
diff --git a/src/mesa/main/syncobj.c b/src/mesa/main/syncobj.c
index ce9c99725ea..1347a0fcc4b 100644
--- a/src/mesa/main/syncobj.c
+++ b/src/mesa/main/syncobj.c
@@ -336,6 +336,16 @@ client_wait_sync(struct gl_context *ctx, struct gl_sync_object *syncObj,
 }
 
 
+GLenum GLAPIENTRY
+_mesa_ClientWaitSync_no_error(GLsync sync, GLbitfield flags, GLuint64 timeout)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   struct gl_sync_object *syncObj = _mesa_get_and_ref_sync(ctx, sync, true);
+   return client_wait_sync(ctx, syncObj, flags, timeout);
+}
+
+
 GLenum GLAPIENTRY
 _mesa_ClientWaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout)
 {
diff --git a/src/mesa/main/syncobj.h b/src/mesa/main/syncobj.h
index ea4a71222c0..426959f6b2e 100644
--- a/src/mesa/main/syncobj.h
+++ b/src/mesa/main/syncobj.h
@@ -63,6 +63,9 @@ _mesa_DeleteSync(GLsync sync);
 extern GLsync GLAPIENTRY
 _mesa_FenceSync(GLenum condition, GLbitfield flags);
 
+GLenum GLAPIENTRY
+_mesa_ClientWaitSync_no_error(GLsync sync, GLbitfield flags, GLuint64 timeout);
+
 extern GLenum GLAPIENTRY
 _mesa_ClientWaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout);
 
-- 
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