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| -rw-r--r-- | src/gallium/docs/source/screen.rst | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst index 7830a9ee078..1fff20f5398 100644 --- a/src/gallium/docs/source/screen.rst +++ b/src/gallium/docs/source/screen.rst @@ -116,3 +116,38 @@ texture_destroy Destroy a texture. The buffer backing the texture is destroyed if it has no more references. + +buffer_map +^^^^^^^^^^ + +Map a buffer into memory. + +**usage** is a bitmask of :ref:`PIPE_TEXTURE_USAGE` flags. + +Returns a pointer to the map, or NULL if the mapping failed. + +buffer_map_range +^^^^^^^^^^^^^^^^ + +Map a range of a buffer into memory. + +The returned map is always relative to the beginning of the buffer, not the +beginning of the mapped range. + +.. _buffer_flush_mapped_range: + +buffer_flush_mapped_range +^^^^^^^^^^^^^^^^^^^^^^^^^ + +Flush a range of mapped memory into a buffer. + +The buffer must have been mapped with ``PIPE_BUFFER_USAGE_FLUSH_EXPLICIT``. + +**usage** is a bitmask of :ref:`PIPE_TEXTURE_USAGE` flags. + +buffer_unmap +^^^^^^^^^^^^ + +Unmap a buffer from memory. + +Any pointers into the map should be considered invalid and discarded. |