From eec5c01b5efc1ab81bfe1af15855e17e852ed4a3 Mon Sep 17 00:00:00 2001
From: Timothy Arceri <tarceri@itsqueeze.com>
Date: Fri, 18 May 2018 13:23:15 +1000
Subject: [PATCH] mesa: add support for glNamedBufferStorageEXT
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This is available in ARB_buffer_storage when
EXT_direct_state_access is present.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
---
 src/mapi/glapi/gen/gl_API.xml           |  7 +++++++
 src/mapi/glapi/gen/static_data.py       |  1 +
 src/mesa/main/bufferobj.c               | 15 +++++++++++++++
 src/mesa/main/bufferobj.h               |  3 +++
 src/mesa/main/tests/dispatch_sanity.cpp |  1 +
 5 files changed, 27 insertions(+)

diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
index ca7ac95ded0..60ae1aaa0db 100644
--- a/src/mapi/glapi/gen/gl_API.xml
+++ b/src/mapi/glapi/gen/gl_API.xml
@@ -8271,6 +8271,13 @@
         <param name="data" type="const GLvoid *"/>
         <param name="flags" type="GLbitfield"/>
     </function>
+
+   <function name="NamedBufferStorageEXT">
+      <param name="buffer" type="GLuint" />
+      <param name="size" type="GLsizeiptr" />
+      <param name="data" type="const GLvoid *" />
+      <param name="flags" type="GLbitfield" />
+   </function>
 </category>
 
 <xi:include href="ARB_clear_texture.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
diff --git a/src/mapi/glapi/gen/static_data.py b/src/mapi/glapi/gen/static_data.py
index 92a07abd9db..582530c046a 100644
--- a/src/mapi/glapi/gen/static_data.py
+++ b/src/mapi/glapi/gen/static_data.py
@@ -1476,6 +1476,7 @@ offsets = {
     "BindMultiTextureEXT": 1440,
     "NamedBufferDataEXT": 1441,
     "NamedBufferSubDataEXT": 1442,
+    "NamedBufferStorageEXT": 1443,
 }
 
 functions = [
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index 6b8a2111a8f..0d350dbabd5 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -1937,6 +1937,21 @@ _mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data,
                           false, false, false, "glBufferStorage");
 }
 
+void GLAPIENTRY
+_mesa_NamedBufferStorageEXT(GLuint buffer, GLsizeiptr size,
+                            const GLvoid *data, GLbitfield flags)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+   if (!_mesa_handle_bind_buffer_gen(ctx, buffer,
+                                     &bufObj, "glNamedBufferStorageEXT"))
+      return;
+
+   inlined_buffer_storage(GL_NONE, buffer, size, data, flags, GL_NONE, 0,
+                          true, false, false, "glNamedBufferStorageEXT");
+}
+
 
 void GLAPIENTRY
 _mesa_BufferStorageMemEXT(GLenum target, GLsizeiptr size,
diff --git a/src/mesa/main/bufferobj.h b/src/mesa/main/bufferobj.h
index 74124649bb6..6b35d70606f 100644
--- a/src/mesa/main/bufferobj.h
+++ b/src/mesa/main/bufferobj.h
@@ -189,6 +189,9 @@ void GLAPIENTRY
 _mesa_BufferStorage(GLenum target, GLsizeiptr size, const GLvoid *data,
                     GLbitfield flags);
 void GLAPIENTRY
+_mesa_NamedBufferStorageEXT(GLuint buffer, GLsizeiptr size,
+                            const GLvoid *data, GLbitfield flags);
+void GLAPIENTRY
 _mesa_BufferStorageMemEXT(GLenum target, GLsizeiptr size,
                           GLuint memory, GLuint64 offset);
 void GLAPIENTRY
diff --git a/src/mesa/main/tests/dispatch_sanity.cpp b/src/mesa/main/tests/dispatch_sanity.cpp
index 0fba8d19fe3..c789a2d513b 100644
--- a/src/mesa/main/tests/dispatch_sanity.cpp
+++ b/src/mesa/main/tests/dispatch_sanity.cpp
@@ -1295,6 +1295,7 @@ const struct function common_desktop_functions_possible[] = {
 
    /* GL_ARB_buffer_storage */
    { "glBufferStorage", 43, -1 },
+   { "glNamedBufferStorageEXT", 43, -1 },
 
    /* GL_ARB_clear_texture */
    { "glClearTexImage", 13, -1 },
-- 
2.30.2