Compositor: Full frame Image node

Adds full frame implementation to Image node operations.
Mostly refactored into buffer utility methods for reuse in other
operations.
No functional changes.
1.8x faster than tiled fallback.

Reviewed By: jbakker

Differential Revision: https://developer.blender.org/D11559

1 files changed, 7 insertions, 0 deletions

diff --git a/source/blender/compositor/operations/COM_MultilayerImageOperation.cc b/source/blender/compositor/operations/COM_MultilayerImageOperation.cc
index 647e93225e5..3a5de944a00 100644
--- a/source/blender/compositor/operations/COM_MultilayerImageOperation.cc
+++ b/source/blender/compositor/operations/COM_MultilayerImageOperation.cc
@@ -51,6 +51,13 @@ ImBuf *MultilayerBaseOperation::getImBuf()
   return nullptr;
 }
 
+void MultilayerBaseOperation::update_memory_buffer_partial(MemoryBuffer *output,
+                                                           const rcti &area,
+                                                           Span<MemoryBuffer *> UNUSED(inputs))
+{
+  output->copy_from(m_buffer, area);
+}
+
 std::unique_ptr<MetaData> MultilayerColorOperation::getMetaData()
 {
   BLI_assert(this->m_buffer);