Merge branch 'master' into temp-sculpt-brush-channeltemp-sculpt-brush-channel

1 files changed, 13 insertions, 0 deletions

diff --git a/source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_color_spill.glsl b/source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_color_spill.glsl
new file mode 100644
index 00000000000..0adad53ad80
--- /dev/null
+++ b/source/blender/compositor/realtime_compositor/shaders/library/gpu_shader_compositor_color_spill.glsl
@@ -0,0 +1,13 @@
+void node_composite_color_spill(vec4 color,
+                                float factor,
+                                const float spill_channel,
+                                vec3 spill_scale,
+                                const vec2 limit_channels,
+                                float limit_scale,
+                                out vec4 result)
+{
+  float average_limit = (color[int(limit_channels.x)] + color[int(limit_channels.y)]) / 2.0;
+  float map = factor * color[int(spill_channel)] - limit_scale * average_limit;
+  result.rgb = map > 0.0 ? color.rgb + spill_scale * map : color.rgb;
+  result.a = color.a;
+}