1 files changed, 41 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_IDMaskOperation.cc b/source/blender/compositor/operations/COM_IDMaskOperation.cc
new file mode 100644
index 00000000000..8113adb9bbc
--- /dev/null
+++ b/source/blender/compositor/operations/COM_IDMaskOperation.cc
@@ -0,0 +1,41 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright 2011, Blender Foundation.
+ */
+
+#include "COM_IDMaskOperation.h"
+
+IDMaskOperation::IDMaskOperation()
+{
+  this->addInputSocket(COM_DT_VALUE);
+  this->addOutputSocket(COM_DT_VALUE);
+  this->setComplex(true);
+}
+
+void *IDMaskOperation::initializeTileData(rcti *rect)
+{
+  void *buffer = getInputOperation(0)->initializeTileData(rect);
+  return buffer;
+}
+
+void IDMaskOperation::executePixel(float output[4], int x, int y, void *data)
+{
+  MemoryBuffer *input_buffer = (MemoryBuffer *)data;
+  const int buffer_width = input_buffer->getWidth();
+  float *buffer = input_buffer->getBuffer();
+  int buffer_index = (y * buffer_width + x);
+  output[0] = (roundf(buffer[buffer_index]) == this->m_objectIndex) ? 1.0f : 0.0f;
+}