[Mesa-dev] [PATCH 22/23] main: Add entry point for glGetNamedBufferSubData.

[Laura Ekstrand]

---
 src/mapi/glapi/gen/ARB_direct_state_access.xml |  7 +++++++
 src/mesa/main/bufferobj.c                      | 22 ++++++++++++++++++++++
 src/mesa/main/bufferobj.h                      |  4 ++++
 src/mesa/main/tests/dispatch_sanity.cpp        |  1 +
 4 files changed, 34 insertions(+)

diff --git a/src/mapi/glapi/gen/ARB_direct_state_access.xml 
b/src/mapi/glapi/gen/ARB_direct_state_access.xml
index 8bcbb08..641e68f 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 015c55a..0272704 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -1671,6 +1671,28 @@ _mesa_GetBufferSubData(GLenum target, GLintptr offset,
    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 eee04fe..feeaa8b 100644
--- a/src/mesa/main/bufferobj.h
+++ b/src/mesa/main/bufferobj.h
@@ -234,6 +234,10 @@ _mesa_GetBufferSubData(GLenum target, GLintptrARB offset,
                        GLsizeiptrARB size, void * data);
 
 void GLAPIENTRY
+_mesa_GetNamedBufferSubData(GLuint buffer, GLintptr offset,
+                            GLsizeiptr size, GLvoid *data);
+
+void GLAPIENTRY
 _mesa_ClearBufferData(GLenum target, GLenum internalformat,
                       GLenum format, GLenum type,
                       const GLvoid *data);
diff --git a/src/mesa/main/tests/dispatch_sanity.cpp 
b/src/mesa/main/tests/dispatch_sanity.cpp
index ec539b4..0951e0c 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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