116 lines
4.3 KiB
C
116 lines
4.3 KiB
C
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#pragma once
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CCL_NAMESPACE_BEGIN
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/* Node */
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ccl_device_noinline int svm_node_mix(KernelGlobals kg,
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ccl_private ShaderData *sd,
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ccl_private float *stack,
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uint fac_offset,
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uint c1_offset,
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uint c2_offset,
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int offset)
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{
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/* read extra data */
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uint4 node1 = read_node(kg, &offset);
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float fac = stack_load_float(stack, fac_offset);
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float3 c1 = stack_load_float3(stack, c1_offset);
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float3 c2 = stack_load_float3(stack, c2_offset);
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float3 result = svm_mix_clamped_factor((NodeMix)node1.y, fac, c1, c2);
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stack_store_float3(stack, node1.z, result);
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return offset;
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}
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ccl_device_noinline void svm_node_mix_color(ccl_private ShaderData *sd,
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ccl_private float *stack,
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uint options,
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uint input_offset,
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uint result_offset)
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{
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uint use_clamp, blend_type, use_clamp_result;
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uint fac_in_stack_offset, a_in_stack_offset, b_in_stack_offset;
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svm_unpack_node_uchar3(options, &use_clamp, &blend_type, &use_clamp_result);
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svm_unpack_node_uchar3(
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input_offset, &fac_in_stack_offset, &a_in_stack_offset, &b_in_stack_offset);
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float t = stack_load_float(stack, fac_in_stack_offset);
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if (use_clamp > 0) {
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t = saturatef(t);
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}
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float3 a = stack_load_float3(stack, a_in_stack_offset);
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float3 b = stack_load_float3(stack, b_in_stack_offset);
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float3 result = svm_mix((NodeMix)blend_type, t, a, b);
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if (use_clamp_result) {
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result = saturate(result);
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}
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stack_store_float3(stack, result_offset, result);
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}
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ccl_device_noinline void svm_node_mix_float(ccl_private ShaderData *sd,
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ccl_private float *stack,
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uint use_clamp,
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uint input_offset,
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uint result_offset)
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{
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uint fac_in_stack_offset, a_in_stack_offset, b_in_stack_offset;
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svm_unpack_node_uchar3(
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input_offset, &fac_in_stack_offset, &a_in_stack_offset, &b_in_stack_offset);
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float t = stack_load_float(stack, fac_in_stack_offset);
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if (use_clamp > 0) {
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t = saturatef(t);
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}
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float a = stack_load_float(stack, a_in_stack_offset);
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float b = stack_load_float(stack, b_in_stack_offset);
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float result = a * (1 - t) + b * t;
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stack_store_float(stack, result_offset, result);
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}
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ccl_device_noinline void svm_node_mix_vector(ccl_private ShaderData *sd,
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ccl_private float *stack,
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uint input_offset,
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uint result_offset)
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{
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uint use_clamp, fac_in_stack_offset, a_in_stack_offset, b_in_stack_offset;
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svm_unpack_node_uchar4(
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input_offset, &use_clamp, &fac_in_stack_offset, &a_in_stack_offset, &b_in_stack_offset);
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float t = stack_load_float(stack, fac_in_stack_offset);
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if (use_clamp > 0) {
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t = saturatef(t);
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}
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float3 a = stack_load_float3(stack, a_in_stack_offset);
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float3 b = stack_load_float3(stack, b_in_stack_offset);
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float3 result = a * (one_float3() - t) + b * t;
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stack_store_float3(stack, result_offset, result);
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}
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ccl_device_noinline void svm_node_mix_vector_non_uniform(ccl_private ShaderData *sd,
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ccl_private float *stack,
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uint input_offset,
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uint result_offset)
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{
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uint use_clamp, fac_in_stack_offset, a_in_stack_offset, b_in_stack_offset;
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svm_unpack_node_uchar4(
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input_offset, &use_clamp, &fac_in_stack_offset, &a_in_stack_offset, &b_in_stack_offset);
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float3 t = stack_load_float3(stack, fac_in_stack_offset);
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if (use_clamp > 0) {
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t = saturate(t);
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}
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float3 a = stack_load_float3(stack, a_in_stack_offset);
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float3 b = stack_load_float3(stack, b_in_stack_offset);
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float3 result = a * (one_float3() - t) + b * t;
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stack_store_float3(stack, result_offset, result);
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}
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CCL_NAMESPACE_END
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