From eb05b26a69c44887b4e6b43a3c55998fbce31708 Mon Sep 17 00:00:00 2001
From: Manuel Castilla <manzanillawork@gmail.com>
Date: Fri, 13 Aug 2021 00:12:34 +0200
Subject: Compositor: Full frame Inpaint node

---
 .../blender/compositor/intern/COM_MemoryBuffer.h   |  6 +++
 .../compositor/operations/COM_InpaintOperation.cc  | 44 ++++++++++++++++++++++
 .../compositor/operations/COM_InpaintOperation.h   |  7 ++++
 3 files changed, 57 insertions(+)

(limited to 'source/blender')

diff --git a/source/blender/compositor/intern/COM_MemoryBuffer.h b/source/blender/compositor/intern/COM_MemoryBuffer.h
index de00ba4737b..61c6d55afc1 100644
--- a/source/blender/compositor/intern/COM_MemoryBuffer.h
+++ b/source/blender/compositor/intern/COM_MemoryBuffer.h
@@ -373,6 +373,12 @@ class MemoryBuffer {
     return this->m_buffer;
   }
 
+  float *release_buffer()
+  {
+    owns_data_ = false;
+    return this->m_buffer;
+  }
+
   MemoryBuffer *inflate() const;
 
   inline void wrap_pixel(int &x, int &y, MemoryBufferExtend extend_x, MemoryBufferExtend extend_y)
diff --git a/source/blender/compositor/operations/COM_InpaintOperation.cc b/source/blender/compositor/operations/COM_InpaintOperation.cc
index 413ed2694a9..a86c9888457 100644
--- a/source/blender/compositor/operations/COM_InpaintOperation.cc
+++ b/source/blender/compositor/operations/COM_InpaintOperation.cc
@@ -39,6 +39,7 @@ InpaintSimpleOperation::InpaintSimpleOperation()
   this->m_manhattan_distance = nullptr;
   this->m_cached_buffer = nullptr;
   this->m_cached_buffer_ready = false;
+  flags.is_fullframe_operation = true;
 }
 void InpaintSimpleOperation::initExecution()
 {
@@ -286,4 +287,47 @@ bool InpaintSimpleOperation::determineDependingAreaOfInterest(rcti * /*input*/,
   return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
 }
 
+void InpaintSimpleOperation::get_area_of_interest(const int input_idx,
+                                                  const rcti &UNUSED(output_area),
+                                                  rcti &r_input_area)
+{
+  BLI_assert(input_idx == 0);
+  UNUSED_VARS_NDEBUG(input_idx);
+  r_input_area.xmin = 0;
+  r_input_area.xmax = this->getWidth();
+  r_input_area.ymin = 0;
+  r_input_area.ymax = this->getHeight();
+}
+
+void InpaintSimpleOperation::update_memory_buffer(MemoryBuffer *output,
+                                                  const rcti &area,
+                                                  Span<MemoryBuffer *> inputs)
+{
+  /* TODO(manzanilla): once tiled implementation is removed, run multi-threaded where possible. */
+  MemoryBuffer *input = inputs[0];
+  if (!m_cached_buffer_ready) {
+    if (input->is_a_single_elem()) {
+      MemoryBuffer *tmp = input->inflate();
+      m_cached_buffer = tmp->release_buffer();
+      delete tmp;
+    }
+    else {
+      m_cached_buffer = (float *)MEM_dupallocN(input->getBuffer());
+    }
+
+    this->calc_manhattan_distance();
+
+    int curr = 0;
+    int x, y;
+    while (this->next_pixel(x, y, curr, this->m_iterations)) {
+      this->pix_step(x, y);
+    }
+    m_cached_buffer_ready = true;
+  }
+
+  const int num_channels = COM_data_type_num_channels(getOutputSocket()->getDataType());
+  MemoryBuffer buf(m_cached_buffer, num_channels, input->getWidth(), input->getHeight());
+  output->copy_from(&buf, area);
+}
+
 }  // namespace blender::compositor
diff --git a/source/blender/compositor/operations/COM_InpaintOperation.h b/source/blender/compositor/operations/COM_InpaintOperation.h
index e3d27bf7704..e11610bd263 100644
--- a/source/blender/compositor/operations/COM_InpaintOperation.h
+++ b/source/blender/compositor/operations/COM_InpaintOperation.h
@@ -66,6 +66,13 @@ class InpaintSimpleOperation : public NodeOperation {
                                         ReadBufferOperation *readOperation,
                                         rcti *output) override;
 
+  void get_area_of_interest(const int input_idx,
+                            const rcti &output_area,
+                            rcti &r_input_area) override;
+  void update_memory_buffer(MemoryBuffer *output,
+                            const rcti &area,
+                            Span<MemoryBuffer *> inputs) override;
+
  private:
   void calc_manhattan_distance();
   void clamp_xy(int &x, int &y);
-- 
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