1 files changed, 26 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/compositor/library/gpu_shader_compositor_store_output.glsl b/source/blender/gpu/shaders/compositor/library/gpu_shader_compositor_store_output.glsl
new file mode 100644
index 00000000000..7fba26907b5
--- /dev/null
+++ b/source/blender/gpu/shaders/compositor/library/gpu_shader_compositor_store_output.glsl
@@ -0,0 +1,26 @@
+/* The following functions are called to store the given value in the output identified by the
+ * given ID. The ID is an unsigned integer that is encoded in a float, so floatBitsToUint is called
+ * to get the actual identifier. The functions have an output value as their last argument that is
+ * used to establish an output link that is then used to track the nodes that contribute to the
+ * output of the compositor node tree.
+ *
+ * The store_[float|vector|color] functions are dynamically generated in
+ * ShaderOperation::generate_code_for_outputs. */
+
+void node_compositor_store_output_float(const float id, float value, out float out_value)
+{
+  store_float(floatBitsToUint(id), value);
+  out_value = value;
+}
+
+void node_compositor_store_output_vector(const float id, vec3 vector, out vec3 out_vector)
+{
+  store_vector(floatBitsToUint(id), vector);
+  out_vector = vector;
+}
+
+void node_compositor_store_output_color(const float id, vec4 color, out vec4 out_color)
+{
+  store_color(floatBitsToUint(id), color);
+  out_color = color;
+}