Eevee: Add "uber" Shader Output Nodes.

Include Metallic and Specular workflow.
Clearcoat and are not implemented yet.

5 files changed, 185 insertions, 0 deletions

diff --git a/source/blender/nodes/CMakeLists.txt b/source/blender/nodes/CMakeLists.txt
index 3596a2aa12d..697b649a298 100644
--- a/source/blender/nodes/CMakeLists.txt
+++ b/source/blender/nodes/CMakeLists.txt
@@ -186,6 +186,8 @@ set(SRC
 	shader/nodes/node_shader_hair_info.c
 	shader/nodes/node_shader_output_lamp.c
 	shader/nodes/node_shader_output_material.c
+	shader/nodes/node_shader_output_metallic.c
+	shader/nodes/node_shader_output_specular.c
 	shader/nodes/node_shader_output_world.c
 	shader/nodes/node_shader_output_linestyle.c
 	shader/nodes/node_shader_particle_info.c
diff --git a/source/blender/nodes/NOD_shader.h b/source/blender/nodes/NOD_shader.h
index 804c1897a27..c05c1a55144 100644
--- a/source/blender/nodes/NOD_shader.h
+++ b/source/blender/nodes/NOD_shader.h
@@ -120,6 +120,8 @@ void register_node_type_sh_uvalongstroke(void);
 
 void register_node_type_sh_output_lamp(void);
 void register_node_type_sh_output_material(void);
+void register_node_type_sh_output_metallic(void);
+void register_node_type_sh_output_specular(void);
 void register_node_type_sh_output_world(void);
 void register_node_type_sh_output_linestyle(void);
 
diff --git a/source/blender/nodes/NOD_static_types.h b/source/blender/nodes/NOD_static_types.h
index e754d063397..7d9f8149ad0 100644
--- a/source/blender/nodes/NOD_static_types.h
+++ b/source/blender/nodes/NOD_static_types.h
@@ -67,6 +67,8 @@ DefNode( ShaderNode,     SH_NODE_COMBRGB,         0,                      "COMBR
 DefNode( ShaderNode,     SH_NODE_HUE_SAT,         0,                      "HUE_SAT",        HueSaturation,    "Hue/Saturation",    ""              )
 
 DefNode( ShaderNode,     SH_NODE_OUTPUT_MATERIAL,    def_sh_output,          "OUTPUT_MATERIAL",    OutputMaterial,   "Material Output",   ""       )
+DefNode( ShaderNode,     SH_NODE_OUTPUT_METALLIC,    def_sh_output,          "OUTPUT_METALLIC",    OutputMetallic,   "Material Metallic Output", "")
+DefNode( ShaderNode,     SH_NODE_OUTPUT_SPECULAR,    def_sh_output,          "OUTPUT_SPECULAR",    OutputSpecular,   "Material Specular Output", "")
 DefNode( ShaderNode,     SH_NODE_OUTPUT_LAMP,        def_sh_output,          "OUTPUT_LAMP",        OutputLamp,       "Lamp Output",       ""       )
 DefNode( ShaderNode,     SH_NODE_OUTPUT_WORLD,       def_sh_output,          "OUTPUT_WORLD",       OutputWorld,      "World Output",      ""       )
 DefNode( ShaderNode,     SH_NODE_OUTPUT_LINESTYLE,   def_sh_output_linestyle,"OUTPUT_LINESTYLE",   OutputLineStyle,  "Line Style Output", ""       )
diff --git a/source/blender/nodes/shader/nodes/node_shader_output_metallic.c b/source/blender/nodes/shader/nodes/node_shader_output_metallic.c
new file mode 100644
index 00000000000..b8182acfc7f
--- /dev/null
+++ b/source/blender/nodes/shader/nodes/node_shader_output_metallic.c
@@ -0,0 +1,90 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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.
+ *
+ * The Original Code is Copyright (C) 2005 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Clément Foucault.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#include "../node_shader_util.h"
+
+/* **************** OUTPUT ******************** */
+
+static bNodeSocketTemplate sh_node_output_metallic_in[] = {
+	{	SOCK_RGBA, 1, N_("Base Color"),				0.8f, 0.8f, 0.8f, 1.0f},
+	{	SOCK_FLOAT, 1, N_("Metallic"),				0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+	{	SOCK_FLOAT, 1, N_("Specular"),				0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+	{	SOCK_FLOAT, 1, N_("Roughness"),				0.2f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+	{	SOCK_RGBA, 1, N_("Emissive Color"),			0.0f, 0.0f, 0.0f, 1.0f},
+	{	SOCK_FLOAT, 1, N_("Transparency"),			0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+	{	SOCK_VECTOR, 1, N_("Normal"),				0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
+	{	SOCK_FLOAT, 1, N_("Clear Coat"),			0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+	{	SOCK_FLOAT, 1, N_("Clear Coat Roughness"),	0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+	{	SOCK_VECTOR, 1, N_("Clear Coat Normal"),	0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
+	{	SOCK_FLOAT, 1, N_("Ambient Occlusion"),		1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
+	{	-1, 0, ""	}
+};
+
+static int node_shader_gpu_output_metallic(GPUMaterial *mat, bNode *UNUSED(node), bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
+{
+	GPUNodeLink *outlink;
+	static float one = 1.0f;
+
+	/* Normals */
+	if (!in[6].link) {
+		GPU_link(mat, "world_normals_get", &in[6].link);
+	}
+
+	/* Clearcoat Normals */
+	if (!in[9].link) {
+		GPU_link(mat, "world_normals_get", &in[9].link);
+	}
+
+	/* Occlusion */
+	if (!in[10].link) {
+		GPU_link(mat, "set_value", GPU_uniform(&one), &in[10].link);
+	}
+
+	GPU_stack_link(mat, "node_output_metallic", in, out, &outlink);
+	GPU_material_output_link(mat, outlink);
+
+	return true;
+}
+
+
+/* node type definition */
+void register_node_type_sh_output_metallic(void)
+{
+	static bNodeType ntype;
+
+	sh_node_type_base(&ntype, SH_NODE_OUTPUT_METALLIC, "Metallic Material Output", NODE_CLASS_OUTPUT, 0);
+	node_type_compatibility(&ntype, NODE_NEW_SHADING);
+	node_type_socket_templates(&ntype, sh_node_output_metallic_in, NULL);
+	node_type_init(&ntype, NULL);
+	node_type_storage(&ntype, "", NULL, NULL);
+	node_type_gpu(&ntype, node_shader_gpu_output_metallic);
+
+	/* Do not allow muting output node. */
+	node_type_internal_links(&ntype, NULL);
+
+	nodeRegisterType(&ntype);
+}
diff --git a/source/blender/nodes/shader/nodes/node_shader_output_specular.c b/source/blender/nodes/shader/nodes/node_shader_output_specular.c
new file mode 100644
index 00000000000..25bcf9642f9
--- /dev/null
+++ b/source/blender/nodes/shader/nodes/node_shader_output_specular.c
@@ -0,0 +1,89 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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.
+ *
+ * The Original Code is Copyright (C) 2005 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Clément Foucault.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#include "../node_shader_util.h"
+
+/* **************** OUTPUT ******************** */
+
+static bNodeSocketTemplate sh_node_output_specular_in[] = {
+	{	SOCK_RGBA, 1, N_("Base Color"),				0.8f, 0.8f, 0.8f, 1.0f},
+	{	SOCK_RGBA, 1, N_("Specular"),				0.03f, 0.03f, 0.03f, 1.0f},
+	{	SOCK_FLOAT, 1, N_("Roughness"),				0.2f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+	{	SOCK_RGBA, 1, N_("Emissive Color"),			0.0f, 0.0f, 0.0f, 1.0f},
+	{	SOCK_FLOAT, 1, N_("Transparency"),			0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+	{	SOCK_VECTOR, 1, N_("Normal"),				0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
+	{	SOCK_FLOAT, 1, N_("Clear Coat"),			0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+	{	SOCK_FLOAT, 1, N_("Clear Coat Roughness"),	0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+	{	SOCK_VECTOR, 1, N_("Clear Coat Normal"),	0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
+	{	SOCK_FLOAT, 1, N_("Ambient Occlusion"),		1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
+	{	-1, 0, ""	}
+};
+
+static int node_shader_gpu_output_specular(GPUMaterial *mat, bNode *UNUSED(node), bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
+{
+	GPUNodeLink *outlink;
+	static float one = 1.0f;
+
+	/* Normals */
+	if (!in[5].link) {
+		GPU_link(mat, "world_normals_get", &in[5].link);
+	}
+
+	/* Clearcoat Normals */
+	if (!in[8].link) {
+		GPU_link(mat, "world_normals_get", &in[8].link);
+	}
+
+	/* Occlusion */
+	if (!in[9].link) {
+		GPU_link(mat, "set_value", GPU_uniform(&one), &in[9].link);
+	}
+
+	GPU_stack_link(mat, "node_output_specular", in, out, &outlink);
+	GPU_material_output_link(mat, outlink);
+
+	return true;
+}
+
+
+/* node type definition */
+void register_node_type_sh_output_specular(void)
+{
+	static bNodeType ntype;
+
+	sh_node_type_base(&ntype, SH_NODE_OUTPUT_SPECULAR, "Specular Material Output", NODE_CLASS_OUTPUT, 0);
+	node_type_compatibility(&ntype, NODE_NEW_SHADING);
+	node_type_socket_templates(&ntype, sh_node_output_specular_in, NULL);
+	node_type_init(&ntype, NULL);
+	node_type_storage(&ntype, "", NULL, NULL);
+	node_type_gpu(&ntype, node_shader_gpu_output_specular);
+
+	/* Do not allow muting output node. */
+	node_type_internal_links(&ntype, NULL);
+
+	nodeRegisterType(&ntype);
+}