[Bf-blender-cvs] [04376c3bac7] master: Geometry Nodes: Add shader Color Mix node
Charlie Jolly
noreply at git.blender.org
Wed Aug 18 15:51:43 CEST 2021
Commit: 04376c3bac796c9fb4bc2e33150484e357a65eab
Author: Charlie Jolly
Date: Wed Aug 18 13:16:14 2021 +0100
Branches: master
https://developer.blender.org/rB04376c3bac796c9fb4bc2e33150484e357a65eab
Geometry Nodes: Add shader Color Mix node
Port color mix shader node to Geometry Nodes.
Differential Revision: https://developer.blender.org/D10585
===================================================================
M release/scripts/startup/nodeitems_builtins.py
M source/blender/nodes/shader/nodes/node_shader_mixRgb.cc
===================================================================
diff --git a/release/scripts/startup/nodeitems_builtins.py b/release/scripts/startup/nodeitems_builtins.py
index 9c67ab1e57f..6f9b222571c 100644
--- a/release/scripts/startup/nodeitems_builtins.py
+++ b/release/scripts/startup/nodeitems_builtins.py
@@ -495,6 +495,7 @@ geometry_node_categories = [
NodeItem("GeometryNodeAttributeTransfer"),
]),
GeometryNodeCategory("GEO_COLOR", "Color", items=[
+ NodeItem("ShaderNodeMixRGB"),
NodeItem("ShaderNodeRGBCurve"),
NodeItem("ShaderNodeValToRGB"),
NodeItem("ShaderNodeSeparateRGB"),
diff --git a/source/blender/nodes/shader/nodes/node_shader_mixRgb.cc b/source/blender/nodes/shader/nodes/node_shader_mixRgb.cc
index 6baaa17f956..47011caeeb6 100644
--- a/source/blender/nodes/shader/nodes/node_shader_mixRgb.cc
+++ b/source/blender/nodes/shader/nodes/node_shader_mixRgb.cc
@@ -127,15 +127,71 @@ static int gpu_shader_mix_rgb(GPUMaterial *mat,
return 0;
}
+class MixRGBFunction : public blender::fn::MultiFunction {
+ private:
+ bool clamp_;
+ int type_;
+
+ public:
+ MixRGBFunction(bool clamp, int type) : clamp_(clamp), type_(type)
+ {
+ static blender::fn::MFSignature signature = create_signature();
+ this->set_signature(&signature);
+ }
+
+ static blender::fn::MFSignature create_signature()
+ {
+ blender::fn::MFSignatureBuilder signature{"MixRGB"};
+ signature.single_input<float>("Fac");
+ signature.single_input<blender::ColorGeometry4f>("Color1");
+ signature.single_input<blender::ColorGeometry4f>("Color2");
+ signature.single_output<blender::ColorGeometry4f>("Color");
+ return signature.build();
+ }
+
+ void call(blender::IndexMask mask,
+ blender::fn::MFParams params,
+ blender::fn::MFContext UNUSED(context)) const override
+ {
+ const blender::VArray<float> &fac = params.readonly_single_input<float>(0, "Fac");
+ const blender::VArray<blender::ColorGeometry4f> &col1 =
+ params.readonly_single_input<blender::ColorGeometry4f>(1, "Color1");
+ const blender::VArray<blender::ColorGeometry4f> &col2 =
+ params.readonly_single_input<blender::ColorGeometry4f>(2, "Color2");
+ blender::MutableSpan<blender::ColorGeometry4f> results =
+ params.uninitialized_single_output<blender::ColorGeometry4f>(3, "Color");
+
+ for (int64_t i : mask) {
+ results[i] = col1[i];
+ ramp_blend(type_, results[i], clamp_f(fac[i], 0.0f, 1.0f), col2[i]);
+ }
+
+ if (clamp_) {
+ for (int64_t i : mask) {
+ clamp_v3(results[i], 0.0f, 1.0f);
+ }
+ }
+ }
+};
+
+static void sh_node_mix_rgb_expand_in_mf_network(blender::nodes::NodeMFNetworkBuilder &builder)
+{
+ bNode &node = builder.bnode();
+ bool clamp = node.custom2 & SHD_MIXRGB_CLAMP;
+ int mix_type = node.custom1;
+ builder.construct_and_set_matching_fn<MixRGBFunction>(clamp, mix_type);
+}
+
void register_node_type_sh_mix_rgb(void)
{
static bNodeType ntype;
- sh_node_type_base(&ntype, SH_NODE_MIX_RGB, "Mix", NODE_CLASS_OP_COLOR, 0);
+ sh_fn_node_type_base(&ntype, SH_NODE_MIX_RGB, "Mix", NODE_CLASS_OP_COLOR, 0);
node_type_socket_templates(&ntype, sh_node_mix_rgb_in, sh_node_mix_rgb_out);
node_type_label(&ntype, node_blend_label);
node_type_exec(&ntype, nullptr, nullptr, node_shader_exec_mix_rgb);
node_type_gpu(&ntype, gpu_shader_mix_rgb);
+ ntype.expand_in_mf_network = sh_node_mix_rgb_expand_in_mf_network;
nodeRegisterType(&ntype);
}
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