[Mesa-dev] [PATCH 21/21] main: Add entry point for glGetNamedBufferSubData.

[Laura Ekstrand]

---
 src/mapi/glapi/gen/ARB_direct_state_access.xml |  7 +++++++
 src/mesa/main/bufferobj.c                      | 24 +++++++++++++++++++++++-
 src/mesa/main/bufferobj.h                      |  8 ++++++--
 src/mesa/main/tests/dispatch_sanity.cpp        |  1 +
 4 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/src/mapi/glapi/gen/ARB_direct_state_access.xml 
b/src/mapi/glapi/gen/ARB_direct_state_access.xml
index 9cfc8e5..51eefd9 100644
--- a/src/mapi/glapi/gen/ARB_direct_state_access.xml
+++ b/src/mapi/glapi/gen/ARB_direct_state_access.xml
@@ -104,6 +104,13 @@
       <param name="params" type="GLvoid **" />
    </function>
 
+   <function name="GetNamedBufferSubData" offset="assign">
+      <param name="buffer" type="GLuint" />
+      <param name="offset" type="GLintptr" />
+      <param name="size" type="GLsizeiptr" />
+      <param name="data" 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 5495057..30942a4 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -1659,9 +1659,31 @@ _mesa_GetBufferSubData(GLenum target, GLintptr offset,
    }
 
    ASSERT(ctx->Driver.GetBufferSubData);
-   ctx->Driver.GetBufferSubData( ctx, offset, size, data, bufObj );
+   ctx->Driver.GetBufferSubData(ctx, offset, size, data, bufObj);
 }
 
+void GLAPIENTRY
+_mesa_GetNamedBufferSubData(GLuint buffer, GLintptr offset,
+                            GLsizeiptr size, GLvoid *data)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_buffer_object *bufObj;
+
+   bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
+                                       "glGetNamedBufferSubData");
+   if (!bufObj)
+      return;
+
+   if (!buffer_object_subdata_range_good(ctx, bufObj, offset, size, false,
+                                         "glGetNamedBufferSubData")) {
+      return;
+   }
+
+   ASSERT(ctx->Driver.GetBufferSubData);
+   ctx->Driver.GetBufferSubData(ctx, offset, size, data, bufObj);
+}
+
+
 /**
  * \param subdata   true if caller is *SubData, false if *Data
  */
diff --git a/src/mesa/main/bufferobj.h b/src/mesa/main/bufferobj.h
index 60f5607..6f8aade 100644
--- a/src/mesa/main/bufferobj.h
+++ b/src/mesa/main/bufferobj.h
@@ -230,8 +230,12 @@ _mesa_NamedBufferSubData(GLuint buffer, GLintptr offset,
                          GLsizeiptr size, const GLvoid *data);
 
 void GLAPIENTRY
-_mesa_GetBufferSubData(GLenum target, GLintptrARB offset,
-                       GLsizeiptrARB size, void * data);
+_mesa_GetBufferSubData(GLenum target, GLintptr offset,
+                       GLsizeiptr size, GLvoid *data);
+
+void GLAPIENTRY
+_mesa_GetNamedBufferSubData(GLuint buffer, GLintptr offset,
+                            GLsizeiptr size, GLvoid *data);
 
 void GLAPIENTRY
 _mesa_ClearBufferData(GLenum target, GLenum internalformat,
diff --git a/src/mesa/main/tests/dispatch_sanity.cpp 
b/src/mesa/main/tests/dispatch_sanity.cpp
index 4d5cb6a..b6438c8 100644
--- a/src/mesa/main/tests/dispatch_sanity.cpp
+++ b/src/mesa/main/tests/dispatch_sanity.cpp
@@ -969,6 +969,7 @@ const struct function gl_core_functions_possible[] = {
    { "glGetNamedBufferParameteriv", 45, -1 },
    { "glGetNamedBufferParameteri64v", 45, -1 },
    { "glGetNamedBufferPointerv", 45, -1 },
+   { "glGetNamedBufferSubData", 45, -1 },
    { "glCreateTextures", 45, -1 },
    { "glTextureStorage1D", 45, -1 },
    { "glTextureStorage2D", 45, -1 },
-- 
2.1.0

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