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/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "kernel/svm/color_util.h"
CCL_NAMESPACE_BEGIN
ccl_device_noinline void svm_node_brightness(
ccl_private ShaderData *sd, ccl_private float *stack, uint in_color, uint out_color, uint node)
{
uint bright_offset, contrast_offset;
float3 color = stack_load_float3(stack, in_color);
svm_unpack_node_uchar2(node, &bright_offset, &contrast_offset);
float brightness = stack_load_float(stack, bright_offset);
float contrast = stack_load_float(stack, contrast_offset);
color = svm_brightness_contrast(color, brightness, contrast);
if (stack_valid(out_color))
stack_store_float3(stack, out_color, color);
}
CCL_NAMESPACE_END
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