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workinf_Blender_Wasm/blender-5.2.0/intern/cycles/kernel/svm/mix.h
2026-08-12 04:47:48 -04:00

84 lines
2.6 KiB
C

/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
*
* SPDX-License-Identifier: Apache-2.0 */
#pragma once
#include "kernel/svm/color_util.h"
#include "kernel/svm/node_types.h"
#include "kernel/svm/util.h"
CCL_NAMESPACE_BEGIN
/* Node */
ccl_device_noinline void svm_node_mix(ccl_private float *ccl_restrict stack,
const ccl_global SVMNodeMix &ccl_restrict node)
{
const float fac = stack_load(stack, node.fac);
const float3 c1 = stack_load(stack, node.c1);
const float3 c2 = stack_load(stack, node.c2);
const float3 result = svm_mix_clamped_factor(node.mix_type, fac, c1, c2);
stack_store_float3(stack, node.result_offset, result);
}
ccl_device_noinline void svm_node_mix_color(ccl_private float *ccl_restrict stack,
const ccl_global SVMNodeMixColor &ccl_restrict node)
{
float t = stack_load(stack, node.fac);
if (node.use_clamp > 0) {
t = saturatef(t);
}
const float3 a = stack_load(stack, node.a);
const float3 b = stack_load(stack, node.b);
float3 result = svm_mix(node.blend_type, t, a, b);
if (node.use_clamp_result) {
result = saturate(result);
}
stack_store_float3(stack, node.result_offset, result);
}
ccl_device_noinline void svm_node_mix_float(ccl_private float *ccl_restrict stack,
const ccl_global SVMNodeMixFloat &ccl_restrict node)
{
float t = stack_load(stack, node.fac);
if (node.use_clamp > 0) {
t = saturatef(t);
}
const float a = stack_load(stack, node.a);
const float b = stack_load(stack, node.b);
const float result = a * (1 - t) + b * t;
stack_store_float(stack, node.result_offset, result);
}
ccl_device_noinline void svm_node_mix_vector(ccl_private float *ccl_restrict stack,
const ccl_global SVMNodeMixVector &ccl_restrict node)
{
float t = stack_load(stack, node.fac);
if (node.use_clamp > 0) {
t = saturatef(t);
}
const float3 a = stack_load(stack, node.a);
const float3 b = stack_load(stack, node.b);
const float3 result = a * (one_float3() - t) + b * t;
stack_store_float3(stack, node.result_offset, result);
}
ccl_device_noinline void svm_node_mix_vector_non_uniform(
ccl_private float *ccl_restrict stack,
const ccl_global SVMNodeMixVectorNonUniform &ccl_restrict node)
{
float3 t = stack_load(stack, node.fac);
if (node.use_clamp > 0) {
t = saturate(t);
}
const float3 a = stack_load(stack, node.a);
const float3 b = stack_load(stack, node.b);
const float3 result = a * (one_float3() - t) + b * t;
stack_store_float3(stack, node.result_offset, result);
}
CCL_NAMESPACE_END