From b019c4e6e833d41c24043144ac24986dd3e9a4eb Mon Sep 17 00:00:00 2001
From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Wed, 31 May 2017 14:18:00 +0200
Subject: [PATCH] mesa: add KHR_no_error support for glInvalidateBufferData()

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
---
 src/mapi/glapi/gen/ARB_invalidate_subdata.xml | 2 +-
 src/mesa/main/bufferobj.c                     | 9 +++++++++
 src/mesa/main/bufferobj.h                     | 3 +++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/mapi/glapi/gen/ARB_invalidate_subdata.xml b/src/mapi/glapi/gen/ARB_invalidate_subdata.xml
index 79e8a91..2cbc4f6 100644
--- a/src/mapi/glapi/gen/ARB_invalidate_subdata.xml
+++ b/src/mapi/glapi/gen/ARB_invalidate_subdata.xml
@@ -25,7 +25,7 @@
     <param name="length" type="GLsizeiptr"/>
   </function>
 
-  <function name="InvalidateBufferData">
+  <function name="InvalidateBufferData" no_error="true">
     <param name="buffer" type="GLuint"/>
   </function>
 
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index f11d611..9304308 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -4309,6 +4309,15 @@ _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset,
 }
 
 void GLAPIENTRY
+_mesa_InvalidateBufferData_no_error(GLuint buffer)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   struct gl_buffer_object *bufObj =_mesa_lookup_bufferobj(ctx, buffer);
+   invalidate_buffer_subdata(ctx, bufObj, 0, bufObj->Size);
+}
+
+void GLAPIENTRY
 _mesa_InvalidateBufferData(GLuint buffer)
 {
    GET_CURRENT_CONTEXT(ctx);
diff --git a/src/mesa/main/bufferobj.h b/src/mesa/main/bufferobj.h
index 2e49d33..a8e174d 100644
--- a/src/mesa/main/bufferobj.h
+++ b/src/mesa/main/bufferobj.h
@@ -348,6 +348,9 @@ _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset,
                               GLsizeiptr length);
 
 void GLAPIENTRY
+_mesa_InvalidateBufferData_no_error(GLuint buffer);
+
+void GLAPIENTRY
 _mesa_InvalidateBufferData(GLuint buffer);
 
 void GLAPIENTRY
-- 
2.7.4