diff options
| author | José Fonseca <jfonseca@vmware.com> | 2010-09-13 11:14:54 +0100 |
|---|---|---|
| committer | José Fonseca <jfonseca@vmware.com> | 2010-09-13 11:33:44 +0100 |
| commit | 91a93257615390f75320c27645167d08b82b46b9 (patch) | |
| tree | d326974a4570a3df4338bc0c35e6d2d831065f90 /src | |
| parent | 61c2861b4effed6b5e50e4d4089ede9768842b2b (diff) | |
gallium: Change the resource_copy_region semantics to allow copies between different yet compatible formats
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/docs/source/context.rst | 8 |
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 |