Mesa (master): main: Add entry point for GetNamedBufferPointerv.

[Laura Ekstrand]

Module: Mesa
Branch: master
Commit: 105ddc6aea397bd5d39b8ffcd25278ed12102e3c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=105ddc6aea397bd5d39b8ffcd25278ed12102e3c

Author: Laura Ekstrand <laura at jlekstrand.net>
Date:   Tue Jan 20 14:32:35 2015 -0800

main: Add entry point for GetNamedBufferPointerv.

v3: Review from Fredrik Hoglund
   -Split cosmetic refactor of GetBufferPointerv out into a separate commit

Reviewed-by: Fredrik Höglund <fredrik at kde.org>

---

 src/mapi/glapi/gen/ARB_direct_state_access.xml |    6 ++++++
 src/mesa/main/bufferobj.c                      |   20 ++++++++++++++++++++
 src/mesa/main/bufferobj.h                      |    4 ++++
 src/mesa/main/tests/dispatch_sanity.cpp        |    1 +
 4 files changed, 31 insertions(+)

diff --git a/src/mapi/glapi/gen/ARB_direct_state_access.xml b/src/mapi/glapi/gen/ARB_direct_state_access.xml
index cb9f285..8bcbb08 100644
--- a/src/mapi/glapi/gen/ARB_direct_state_access.xml
+++ b/src/mapi/glapi/gen/ARB_direct_state_access.xml
@@ -98,6 +98,12 @@
       <param name="params" type="GLint64 *" />
    </function>
 
+   <function name="GetNamedBufferPointerv" offset="assign">
+      <param name="buffer" type="GLuint" />
+      <param name="pname" type="GLenum" />
+      <param name="params" type="GLvoid **" />
+   </function>
+
    <!-- Texture object functions -->
 
    <function name="CreateTextures" offset="assign">
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index 4c2cdf4..2811604 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -2066,6 +2066,26 @@ _mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params)
    *params = bufObj->Mappings[MAP_USER].Pointer;
 }
 
+void GLAPIENTRY
+_mesa_GetNamedBufferPointerv(GLuint buffer, GLenum pname, GLvoid **params)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_buffer_object *bufObj;
+
+   if (pname != GL_BUFFER_MAP_POINTER) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glGetNamedBufferPointerv(pname != "
+                  "GL_BUFFER_MAP_POINTER)");
+      return;
+   }
+
+   bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+                                       "glGetNamedBufferPointerv");
+   if (!bufObj)
+      return;
+
+   *params = bufObj->Mappings[MAP_USER].Pointer;
+}
+
 
 void
 _mesa_copy_buffer_sub_data(struct gl_context *ctx,
diff --git a/src/mesa/main/bufferobj.h b/src/mesa/main/bufferobj.h
index 6b29ce7..eee04fe 100644
--- a/src/mesa/main/bufferobj.h
+++ b/src/mesa/main/bufferobj.h
@@ -278,6 +278,10 @@ void GLAPIENTRY
 _mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params);
 
 void GLAPIENTRY
+_mesa_GetNamedBufferPointerv(GLuint buffer, GLenum pname, GLvoid **params);
+
+
+void GLAPIENTRY
 _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
                         GLintptr readOffset, GLintptr writeOffset,
                         GLsizeiptr size);
diff --git a/src/mesa/main/tests/dispatch_sanity.cpp b/src/mesa/main/tests/dispatch_sanity.cpp
index 336c41c..01b73a6 100644
--- a/src/mesa/main/tests/dispatch_sanity.cpp
+++ b/src/mesa/main/tests/dispatch_sanity.cpp
@@ -966,6 +966,7 @@ const struct function gl_core_functions_possible[] = {
    { "glFlushMappedNamedBufferRange", 45, -1 },
    { "glGetNamedBufferParameteriv", 45, -1 },
    { "glGetNamedBufferParameteri64v", 45, -1 },
+   { "glGetNamedBufferPointerv", 45, -1 },
    { "glCreateTextures", 45, -1 },
    { "glTextureStorage1D", 45, -1 },
    { "glTextureStorage2D", 45, -1 },