[Bf-blender-cvs] [e30d5d183cc] compositor-full-frame: Compositor: Full frame Map Value node

[Manuel Castilla]

Commit: e30d5d183cc7afcdf95d65a42393adb1bdc7faf6
Author: Manuel Castilla
Date:   Mon Aug 16 11:37:13 2021 +0200
Branches: compositor-full-frame
https://developer.blender.org/rBe30d5d183cc7afcdf95d65a42393adb1bdc7faf6

Compositor: Full frame Map Value node

===================================================================

M	source/blender/compositor/operations/COM_MapValueOperation.cc
M	source/blender/compositor/operations/COM_MapValueOperation.h

===================================================================

diff --git a/source/blender/compositor/operations/COM_MapValueOperation.cc b/source/blender/compositor/operations/COM_MapValueOperation.cc
index 03fa80d220d..73e812c9a65 100644
--- a/source/blender/compositor/operations/COM_MapValueOperation.cc
+++ b/source/blender/compositor/operations/COM_MapValueOperation.cc
@@ -60,4 +60,27 @@ void MapValueOperation::deinitExecution()
   this->m_inputOperation = nullptr;
 }
 
+void MapValueOperation::update_memory_buffer_partial(MemoryBuffer *output,
+                                                     const rcti &area,
+                                                     Span<MemoryBuffer *> inputs)
+{
+  for (BuffersIterator<float> it = output->iterate_with(inputs, area); !it.is_end(); ++it) {
+    const float input = *it.in(0);
+    TexMapping *texmap = this->m_settings;
+    float value = (input + texmap->loc[0]) * texmap->size[0];
+    if (texmap->flag & TEXMAP_CLIP_MIN) {
+      if (value < texmap->min[0]) {
+        value = texmap->min[0];
+      }
+    }
+    if (texmap->flag & TEXMAP_CLIP_MAX) {
+      if (value > texmap->max[0]) {
+        value = texmap->max[0];
+      }
+    }
+
+    it.out[0] = value;
+  }
+}
+
 }  // namespace blender::compositor
diff --git a/source/blender/compositor/operations/COM_MapValueOperation.h b/source/blender/compositor/operations/COM_MapValueOperation.h
index eb7714714e9..a595eac3155 100644
--- a/source/blender/compositor/operations/COM_MapValueOperation.h
+++ b/source/blender/compositor/operations/COM_MapValueOperation.h
@@ -18,7 +18,7 @@
 
 #pragma once
 
-#include "COM_NodeOperation.h"
+#include "COM_MultiThreadedOperation.h"
 #include "DNA_texture_types.h"
 
 namespace blender::compositor {
@@ -27,7 +27,7 @@ namespace blender::compositor {
  * this program converts an input color to an output value.
  * it assumes we are in sRGB color space.
  */
-class MapValueOperation : public NodeOperation {
+class MapValueOperation : public MultiThreadedOperation {
  private:
   /**
    * Cached reference to the inputProgram
@@ -63,6 +63,10 @@ class MapValueOperation : public NodeOperation {
   {
     this->m_settings = settings;
   }
+
+  void update_memory_buffer_partial(MemoryBuffer *output,
+                                    const rcti &area,
+                                    Span<MemoryBuffer *> inputs) override;
 };
 
 }  // namespace blender::compositor