1 files changed, 29 insertions, 0 deletions
diff --git a/source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_type_conversion.glsl b/source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_type_conversion.glsl
new file mode 100644
index 00000000000..75c76fd7341
--- /dev/null
+++ b/source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_type_conversion.glsl
@@ -0,0 +1,29 @@
+float float_from_vec4(vec4 vector)
+{
+  return dot(vector.rgb, vec3(1.0)) / 3.0;
+}
+
+float float_from_vec3(vec3 vector)
+{
+  return dot(vector, vec3(1.0)) / 3.0;
+}
+
+vec3 vec3_from_vec4(vec4 vector)
+{
+  return vector.rgb;
+}
+
+vec3 vec3_from_float(float value)
+{
+  return vec3(value);
+}
+
+vec4 vec4_from_vec3(vec3 vector)
+{
+  return vec4(vector, 1.0);
+}
+
+vec4 vec4_from_float(float value)
+{
+  return vec4(vec3(value), 1.0);
+}