1 files changed, 65 insertions, 4 deletions

diff --git a/source/blender/nodes/composite/nodes/node_composite_colorbalance.cc b/source/blender/nodes/composite/nodes/node_composite_colorbalance.cc
index dd081c8fc12..e05fbf00a25 100644
--- a/source/blender/nodes/composite/nodes/node_composite_colorbalance.cc
+++ b/source/blender/nodes/composite/nodes/node_composite_colorbalance.cc
@@ -10,6 +10,10 @@
 #include "UI_interface.h"
 #include "UI_resources.h"
 
+#include "GPU_material.h"
+
+#include "COM_shader_node.hh"
+
 #include "node_composite_util.hh"
 
 /* ******************* Color Balance ********************************* */
@@ -44,10 +48,19 @@ void ntreeCompositColorBalanceSyncFromCDL(bNodeTree *UNUSED(ntree), bNode *node)
 
 namespace blender::nodes::node_composite_colorbalance_cc {
 
+NODE_STORAGE_FUNCS(NodeColorBalance)
+
 static void cmp_node_colorbalance_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Float>(N_("Fac")).default_value(1.0f).min(0.0f).max(1.0f).subtype(PROP_FACTOR);
-  b.add_input<decl::Color>(N_("Image")).default_value({1.0f, 1.0f, 1.0f, 1.0f});
+  b.add_input<decl::Float>(N_("Fac"))
+      .default_value(1.0f)
+      .min(0.0f)
+      .max(1.0f)
+      .subtype(PROP_FACTOR)
+      .compositor_domain_priority(1);
+  b.add_input<decl::Color>(N_("Image"))
+      .default_value({1.0f, 1.0f, 1.0f, 1.0f})
+      .compositor_domain_priority(0);
   b.add_output<decl::Color>(N_("Image"));
 }
 
@@ -71,7 +84,7 @@ static void node_composit_buts_colorbalance(uiLayout *layout, bContext *UNUSED(C
 
   uiItemR(layout, ptr, "correction_method", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
 
-  if (RNA_enum_get(ptr, "correction_method") == 0) {
+  if (RNA_enum_get(ptr, "correction_method") == CMP_NODE_COLOR_BALANCE_LGG) {
 
     split = uiLayoutSplit(layout, 0.0f, false);
     col = uiLayoutColumn(split, false);
@@ -116,7 +129,7 @@ static void node_composit_buts_colorbalance_ex(uiLayout *layout,
 {
   uiItemR(layout, ptr, "correction_method", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
 
-  if (RNA_enum_get(ptr, "correction_method") == 0) {
+  if (RNA_enum_get(ptr, "correction_method") == CMP_NODE_COLOR_BALANCE_LGG) {
 
     uiTemplateColorPicker(layout, ptr, "lift", true, true, false, true);
     uiItemR(layout, ptr, "lift", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
@@ -139,6 +152,53 @@ static void node_composit_buts_colorbalance_ex(uiLayout *layout,
   }
 }
 
+using namespace blender::realtime_compositor;
+
+class ColorBalanceShaderNode : public ShaderNode {
+ public:
+  using ShaderNode::ShaderNode;
+
+  void compile(GPUMaterial *material) override
+  {
+    GPUNodeStack *inputs = get_inputs_array();
+    GPUNodeStack *outputs = get_outputs_array();
+
+    const NodeColorBalance &node_color_balance = node_storage(bnode());
+
+    if (get_color_balance_method() == CMP_NODE_COLOR_BALANCE_LGG) {
+      GPU_stack_link(material,
+                     &bnode(),
+                     "node_composite_color_balance_lgg",
+                     inputs,
+                     outputs,
+                     GPU_uniform(node_color_balance.lift),
+                     GPU_uniform(node_color_balance.gamma),
+                     GPU_uniform(node_color_balance.gain));
+      return;
+    }
+
+    GPU_stack_link(material,
+                   &bnode(),
+                   "node_composite_color_balance_asc_cdl",
+                   inputs,
+                   outputs,
+                   GPU_uniform(node_color_balance.offset),
+                   GPU_uniform(node_color_balance.power),
+                   GPU_uniform(node_color_balance.slope),
+                   GPU_uniform(&node_color_balance.offset_basis));
+  }
+
+  CMPNodeColorBalanceMethod get_color_balance_method()
+  {
+    return (CMPNodeColorBalanceMethod)bnode().custom1;
+  }
+};
+
+static ShaderNode *get_compositor_shader_node(DNode node)
+{
+  return new ColorBalanceShaderNode(node);
+}
+
 }  // namespace blender::nodes::node_composite_colorbalance_cc
 
 void register_node_type_cmp_colorbalance()
@@ -155,6 +215,7 @@ void register_node_type_cmp_colorbalance()
   node_type_init(&ntype, file_ns::node_composit_init_colorbalance);
   node_type_storage(
       &ntype, "NodeColorBalance", node_free_standard_storage, node_copy_standard_storage);
+  ntype.get_compositor_shader_node = file_ns::get_compositor_shader_node;
 
   nodeRegisterType(&ntype);
 }