intern/cycles/kernel/svm/gamma.h


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/* SPDX-License-Identifier: Apache-2.0
 * Copyright 2011-2022 Blender Foundation */

#pragma once

CCL_NAMESPACE_BEGIN

ccl_device_noinline void svm_node_gamma(ccl_private ShaderData *sd,
                                        ccl_private float *stack,
                                        uint in_gamma,
                                        uint in_color,
                                        uint out_color)
{
  float3 color = stack_load_float3(stack, in_color);
  float gamma = stack_load_float(stack, in_gamma);

  color = svm_math_gamma_color(color, gamma);

  if (stack_valid(out_color))
    stack_store_float3(stack, out_color, color);
}

CCL_NAMESPACE_END