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Compositor: Implement Hue Saturation Value for new CPU compositor

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Reference #125968.
This commit is contained in:
Omar Emara
2024-10-29 16:04:26 +03:00
parent 9dcf890934
commit 3aa5313a6d
1 changed files with 21 additions and 6 deletions
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27
source/blender/nodes/composite/nodes/node_composite_hue_sat_val.cc
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@@ -6,6 +6,9 @@
* \ingroup cmpnodes
*/
#include "BLI_math_base.hh"
#include "BLI_math_color.h"
#include "BLI_math_vector.hh"
#include "BLI_math_vector_types.hh"
#include "FN_multi_function_builder.hh"
@@ -77,14 +80,26 @@ static ShaderNode *get_compositor_shader_node(DNode node)
static void node_build_multi_function(blender::nodes::NodeMultiFunctionBuilder &builder)
{
/* Not yet implemented. Return zero. */
static auto function = mf::build::SI5_SO<float4, float, float, float, float, float4>(
"Hue Saturation Value",
[](const float4 & /*color*/,
const float /*hue*/,
const float /*saturation*/,
const float /*value*/,
const float /*factor*/) -> float4 { return float4(0.0f); },
[](const float4 &color,
const float hue,
const float saturation,
const float value,
const float factor) -> float4 {
float3 hsv;
rgb_to_hsv_v(color, hsv);
hsv.x = math::fract(hsv.x + hue + 0.5f);
hsv.y = hsv.y * saturation;
hsv.z = hsv.z * value;
float3 rgb_result;
hsv_to_rgb_v(hsv, rgb_result);
rgb_result = math::max(rgb_result, float3(0.0f));
return float4(math::interpolate(color.xyz(), rgb_result, factor), color.w);
},
mf::build::exec_presets::SomeSpanOrSingle<0>());
builder.set_matching_fn(function);
}