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

73 lines
2.3 KiB
C++

/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
*
* SPDX-License-Identifier: Apache-2.0 */
#pragma once
#include "kernel/svm/node_types.h"
#include "kernel/svm/util.h"
#include "kernel/util/colorspace.h"
CCL_NAMESPACE_BEGIN
/* Conversion Nodes */
template<typename FloatType, typename Float3Type>
ccl_device_noinline void svm_node_convert(KernelGlobals kg,
ccl_private float *ccl_restrict stack,
const ccl_global SVMNodeConvert &ccl_restrict node)
{
switch (node.convert_type) {
case NODE_CONVERT_FI: {
/* TODO(weizhen): should actually store 0 for int, but none of the nodes that we compute
* derivatives for has int inputs, so seems fine. */
const float f = stack_load_float(stack, node.from_offset);
stack_store_int(stack, node.to_offset, float_to_int(f));
break;
}
case NODE_CONVERT_FV: {
const FloatType f = stack_load<FloatType>(stack, node.from_offset);
stack_store(stack, node.to_offset, make_float3(f, f, f));
break;
}
case NODE_CONVERT_CF: {
const Float3Type f = stack_load<Float3Type>(stack, node.from_offset);
stack_store(stack, node.to_offset, linear_rgb_to_gray(kg, f));
break;
}
case NODE_CONVERT_CI: {
const float3 f = stack_load_float3(stack, node.from_offset);
const int i = (int)linear_rgb_to_gray(kg, f);
stack_store_int(stack, node.to_offset, i);
break;
}
case NODE_CONVERT_VF: {
const Float3Type f = stack_load<Float3Type>(stack, node.from_offset);
stack_store(stack, node.to_offset, average(f));
break;
}
case NODE_CONVERT_VI: {
const float3 f = stack_load_float3(stack, node.from_offset);
const int i = (int)average(f);
stack_store_int(stack, node.to_offset, i);
break;
}
case NODE_CONVERT_IF: {
const float f = (float)stack_load_int(stack, node.from_offset);
stack_store(stack, node.to_offset, FloatType(f));
break;
}
case NODE_CONVERT_IV: {
const float f = (float)stack_load_int(stack, node.from_offset);
stack_store(stack, node.to_offset, Float3Type(make_float3(f, f, f)));
break;
}
default:
assert(false);
}
}
CCL_NAMESPACE_END