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Diffstat (limited to 'source/blender/gpu/shaders/compositor/library/gpu_shader_compositor_hue_saturation_value.glsl')
-rw-r--r--source/blender/gpu/shaders/compositor/library/gpu_shader_compositor_hue_saturation_value.glsl16
1 files changed, 16 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/compositor/library/gpu_shader_compositor_hue_saturation_value.glsl b/source/blender/gpu/shaders/compositor/library/gpu_shader_compositor_hue_saturation_value.glsl
new file mode 100644
index 00000000000..dd5eb33d318
--- /dev/null
+++ b/source/blender/gpu/shaders/compositor/library/gpu_shader_compositor_hue_saturation_value.glsl
@@ -0,0 +1,16 @@
+#pragma BLENDER_REQUIRE(gpu_shader_common_color_utils.glsl)
+
+void node_composite_hue_saturation_value(
+ vec4 color, float hue, float saturation, float value, float factor, out vec4 result)
+{
+ vec4 hsv;
+ rgb_to_hsv(color, hsv);
+
+ hsv.x = fract(hsv.x + hue + 0.5);
+ hsv.y = clamp(hsv.y * saturation, 0.0, 1.0);
+ hsv.z = hsv.z * value;
+
+ hsv_to_rgb(hsv, result);
+
+ result = mix(color, result, factor);
+}