mesa: Implement and use FlushMappedBufferRange.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/mesa/vbo/vbo_exec_draw.c b/src/mesa/vbo/vbo_exec_draw.c
index b08909c76fb..c85e142a5a7 100644
--- a/src/mesa/vbo/vbo_exec_draw.c
+++ b/src/mesa/vbo/vbo_exec_draw.c
@@ -240,6 +240,13 @@ static void vbo_exec_vtx_unmap( struct vbo_exec_context *exec )
 
    if (exec->vtx.bufferobj->Name) {
       GLcontext *ctx = exec->ctx;
+      GLintptr offset = exec->vtx.buffer_used;
+      GLsizeiptr length = (exec->vtx.buffer_ptr - exec->vtx.buffer_map) * sizeof(float);
+      
+      if(ctx->Driver.FlushMappedBufferRange)
+         ctx->Driver.FlushMappedBufferRange(ctx, target,
+                                            offset, length,
+                                            exec->vtx.bufferobj);
 
       exec->vtx.buffer_used += (exec->vtx.buffer_ptr -
                                 exec->vtx.buffer_map) * sizeof(float);