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Diffstat (limited to 'src/gallium/docs/source')
| -rw-r--r-- | src/gallium/docs/source/context.rst | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/gallium/docs/source/context.rst b/src/gallium/docs/source/context.rst index da847262c1..04a3951128 100644 --- a/src/gallium/docs/source/context.rst +++ b/src/gallium/docs/source/context.rst @@ -392,6 +392,22 @@ be flushed on write or unmap. Flushes must be requested with ``transfer_flush_region``. Flush ranges are relative to the mapped range, not the beginning of the resource. + + +.. _redefine_user_buffer: + +redefine_user_buffer +%%%%%%%%%%%%%%%%%%%% + +This function notifies a driver that the user buffer content has been changed. +The updated region starts at ``offset`` and is ``size`` bytes large. +The ``offset`` is relative to the pointer specified in ``user_buffer_create``. +While uploading the user buffer, the driver is allowed not to upload +the memory outside of this region. +The width0 is redefined to ``MAX2(width0, offset+size)``. + + + .. _pipe_transfer: PIPE_TRANSFER |