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-rw-r--r--src/gallium/docs/source/context.rst8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/gallium/docs/source/context.rst b/src/gallium/docs/source/context.rst
index 8250c30f2ab..5342fc25dc1 100644
--- a/src/gallium/docs/source/context.rst
+++ b/src/gallium/docs/source/context.rst
@@ -263,9 +263,11 @@ apart from any 3D state in the context. Blitting functionality may be
moved to a separate abstraction at some point in the future.
``resource_copy_region`` blits a region of a subresource of a resource to a
-region of another subresource of a resource, provided that both resources have the
-same format. The source and destination may be the same resource, but overlapping
-blits are not permitted.
+region of another subresource of a resource, provided that both resources have
+the same format, or compatible formats, i.e., formats for which copying the
+bytes from the source resource unmodified to the destination resource will
+achieve the same effect of a textured quad blitter. The source and destination
+may be the same resource, but overlapping blits are not permitted.
``resource_resolve`` resolves a multisampled resource into a non-multisampled
one. Formats and dimensions must match. This function must be present if a driver