BLI_colorspace.hh

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/* SPDX-FileCopyrightText: 2025 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "BLI_math_matrix_types.hh"
#include "BLI_math_vector_types.hh"
 
namespace blender {
 
namespace colorspace {
 
/* Coefficients to compute luma from RGB. */
extern float3 luma_coefficients;
 
/* Conversion between scene linear and common linear spaces. */
extern float3x3 scene_linear_to_xyz;
extern float3x3 xyz_to_scene_linear;
extern float3x3 scene_linear_to_aces;
extern float3x3 aces_to_scene_linear;
extern float3x3 scene_linear_to_acescg;
extern float3x3 acescg_to_scene_linear;
extern float3x3 scene_linear_to_rec709;
extern float3x3 rec709_to_scene_linear;
extern float3x3 scene_linear_to_rec2020;
extern float3x3 rec2020_to_scene_linear;
 
/* For fast path when converting to/from sRGB. */
extern bool scene_linear_is_rec709;
 
};  // namespace colorspace
 
}  // namespace blender