1 files changed, 53 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_SetAlphaReplaceOperation.cc b/source/blender/compositor/operations/COM_SetAlphaReplaceOperation.cc
new file mode 100644
index 00000000000..cd6e82902cc
--- /dev/null
+++ b/source/blender/compositor/operations/COM_SetAlphaReplaceOperation.cc
@@ -0,0 +1,53 @@
+/*
+ * 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_SetAlphaReplaceOperation.h"
+
+SetAlphaReplaceOperation::SetAlphaReplaceOperation()
+{
+  this->addInputSocket(COM_DT_COLOR);
+  this->addInputSocket(COM_DT_VALUE);
+  this->addOutputSocket(COM_DT_COLOR);
+
+  this->m_inputColor = nullptr;
+  this->m_inputAlpha = nullptr;
+}
+
+void SetAlphaReplaceOperation::initExecution()
+{
+  this->m_inputColor = getInputSocketReader(0);
+  this->m_inputAlpha = getInputSocketReader(1);
+}
+
+void SetAlphaReplaceOperation::executePixelSampled(float output[4],
+                                                   float x,
+                                                   float y,
+                                                   PixelSampler sampler)
+{
+  float alpha_input[4];
+
+  this->m_inputColor->readSampled(output, x, y, sampler);
+  this->m_inputAlpha->readSampled(alpha_input, x, y, sampler);
+  output[3] = alpha_input[0];
+}
+
+void SetAlphaReplaceOperation::deinitExecution()
+{
+  this->m_inputColor = nullptr;
+  this->m_inputAlpha = nullptr;
+}