From 3de3987ea190415d0d088c3917b45f44afb43840 Mon Sep 17 00:00:00 2001
From: Thomas Dinges <blender@dingto.org>
Date: Fri, 13 Jun 2014 21:44:48 +0200
Subject: Cycles: Add dedicated nodes to split/combine vectors.

This was already possible via the RGB nodes, but that seems weird.
---
 intern/cycles/render/nodes.cpp | 68 ++++++++++++++++++++++++++++++++++++++++++
 intern/cycles/render/nodes.h   | 10 +++++++
 2 files changed, 78 insertions(+)

(limited to 'intern/cycles/render')

diff --git a/intern/cycles/render/nodes.cpp b/intern/cycles/render/nodes.cpp
index 2d7f9ea848b..d49a719f4e7 100644
--- a/intern/cycles/render/nodes.cpp
+++ b/intern/cycles/render/nodes.cpp
@@ -3056,6 +3056,40 @@ void CombineRGBNode::compile(OSLCompiler& compiler)
 	compiler.add(this, "node_combine_rgb");
 }
 
+/* Combine XYZ */
+CombineXYZNode::CombineXYZNode()
+: ShaderNode("combine_xyz")
+{
+	add_input("X", SHADER_SOCKET_FLOAT);
+	add_input("Y", SHADER_SOCKET_FLOAT);
+	add_input("Z", SHADER_SOCKET_FLOAT);
+	add_output("Vector", SHADER_SOCKET_VECTOR);
+}
+
+void CombineXYZNode::compile(SVMCompiler& compiler)
+{
+	ShaderInput *x_in = input("X");
+	ShaderInput *y_in = input("Y");
+	ShaderInput *z_in = input("Z");
+	ShaderOutput *vector_out = output("Vector");
+
+	compiler.stack_assign(vector_out);
+
+	compiler.stack_assign(x_in);
+	compiler.add_node(NODE_COMBINE_XYZ, x_in->stack_offset, 0, vector_out->stack_offset);
+
+	compiler.stack_assign(y_in);
+	compiler.add_node(NODE_COMBINE_XYZ, y_in->stack_offset, 1, vector_out->stack_offset);
+
+	compiler.stack_assign(z_in);
+	compiler.add_node(NODE_COMBINE_XYZ, z_in->stack_offset, 2, vector_out->stack_offset);
+}
+
+void CombineXYZNode::compile(OSLCompiler& compiler)
+{
+	compiler.add(this, "node_combine_xyz");
+}
+
 /* Combine HSV */
 CombineHSVNode::CombineHSVNode()
 : ShaderNode("combine_hsv")
@@ -3180,6 +3214,40 @@ void SeparateRGBNode::compile(OSLCompiler& compiler)
 	compiler.add(this, "node_separate_rgb");
 }
 
+/* Separate XYZ */
+SeparateXYZNode::SeparateXYZNode()
+: ShaderNode("separate_xyz")
+{
+	add_input("Vector", SHADER_SOCKET_VECTOR);
+	add_output("X", SHADER_SOCKET_FLOAT);
+	add_output("Y", SHADER_SOCKET_FLOAT);
+	add_output("Z", SHADER_SOCKET_FLOAT);
+}
+
+void SeparateXYZNode::compile(SVMCompiler& compiler)
+{
+	ShaderInput *vector_in = input("Vector");
+	ShaderOutput *x_out = output("X");
+	ShaderOutput *y_out = output("Y");
+	ShaderOutput *z_out = output("Z");
+
+	compiler.stack_assign(vector_in);
+
+	compiler.stack_assign(x_out);
+	compiler.add_node(NODE_SEPARATE_XYZ, vector_in->stack_offset, 0, x_out->stack_offset);
+
+	compiler.stack_assign(y_out);
+	compiler.add_node(NODE_SEPARATE_XYZ, vector_in->stack_offset, 1, y_out->stack_offset);
+
+	compiler.stack_assign(z_out);
+	compiler.add_node(NODE_SEPARATE_XYZ, vector_in->stack_offset, 2, z_out->stack_offset);
+}
+
+void SeparateXYZNode::compile(OSLCompiler& compiler)
+{
+	compiler.add(this, "node_separate_xyz");
+}
+
 /* Separate HSV */
 SeparateHSVNode::SeparateHSVNode()
 : ShaderNode("separate_hsv")
diff --git a/intern/cycles/render/nodes.h b/intern/cycles/render/nodes.h
index 8bdce9901b2..cf89bdadaa2 100644
--- a/intern/cycles/render/nodes.h
+++ b/intern/cycles/render/nodes.h
@@ -451,6 +451,11 @@ public:
 	SHADER_NODE_CLASS(CombineHSVNode)
 };
 
+class CombineXYZNode : public ShaderNode {
+public:
+	SHADER_NODE_CLASS(CombineXYZNode)
+};
+
 class GammaNode : public ShaderNode {
 public:
 	SHADER_NODE_CLASS(GammaNode)
@@ -471,6 +476,11 @@ public:
 	SHADER_NODE_CLASS(SeparateHSVNode)
 };
 
+class SeparateXYZNode : public ShaderNode {
+public:
+	SHADER_NODE_CLASS(SeparateXYZNode)
+};
+
 class HSVNode : public ShaderNode {
 public:
 	SHADER_NODE_CLASS(HSVNode)
-- 
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