[Mesa-dev] [PATCH 2/8] mesa: add Driver.InvalidateBufferSubData

[Nicolai Hähnle]

From: Nicolai Hähnle <nicolai.haehnle at amd.com>

---
 src/mesa/main/bufferobj.c | 12 ++++--------
 src/mesa/main/dd.h        |  5 +++++
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index 63d563e..e8baf05 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -3980,10 +3980,8 @@ _mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset,
       return;
    }
 
-   /* We don't actually do anything for this yet.  Just return after
-    * validating the parameters and generating the required errors.
-    */
-   return;
+   if (ctx->Driver.InvalidateBufferSubData)
+      ctx->Driver.InvalidateBufferSubData(ctx, bufObj, offset, length);
 }
 
 void GLAPIENTRY
@@ -4020,8 +4018,6 @@ _mesa_InvalidateBufferData(GLuint buffer)
       return;
    }
 
-   /* We don't actually do anything for this yet.  Just return after
-    * validating the parameters and generating the required errors.
-    */
-   return;
+   if (ctx->Driver.InvalidateBufferSubData)
+      ctx->Driver.InvalidateBufferSubData(ctx, bufObj, 0, bufObj->Size);
 }
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index e5281ce..70ed563 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -634,6 +634,11 @@ struct dd_function_table {
                               GLintptr readOffset, GLintptr writeOffset,
                               GLsizeiptr size );
 
+   void (*InvalidateBufferSubData)( struct gl_context *ctx,
+                                    struct gl_buffer_object *obj,
+                                    GLintptr offset,
+                                    GLsizeiptr length );
+
    /* Returns pointer to the start of the mapped range.
     * May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
     */
-- 
2.5.0