11ae08157e
Not sure what is happening here, needs to be checked by someone on Mac. Let's revert for now, it's not like this is a critical change. Pull Request: https://projects.blender.org/blender/blender/pulls/110443
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0 */
|
|
|
|
#pragma once
|
|
|
|
CCL_NAMESPACE_BEGIN
|
|
|
|
/* TODO(sergey): Think of making it more generic volume-type attribute
|
|
* sampler.
|
|
*/
|
|
template<uint node_feature_mask>
|
|
ccl_device_noinline int svm_node_tex_voxel(
|
|
KernelGlobals kg, ccl_private ShaderData *sd, ccl_private float *stack, uint4 node, int offset)
|
|
{
|
|
uint co_offset, density_out_offset, color_out_offset, space;
|
|
svm_unpack_node_uchar4(node.z, &co_offset, &density_out_offset, &color_out_offset, &space);
|
|
|
|
float4 r = zero_float4();
|
|
|
|
#ifdef __VOLUME__
|
|
IF_KERNEL_NODES_FEATURE(VOLUME)
|
|
{
|
|
int id = node.y;
|
|
float3 co = stack_load_float3(stack, co_offset);
|
|
if (space == NODE_TEX_VOXEL_SPACE_OBJECT) {
|
|
co = volume_normalized_position(kg, sd, co);
|
|
}
|
|
else {
|
|
kernel_assert(space == NODE_TEX_VOXEL_SPACE_WORLD);
|
|
Transform tfm;
|
|
tfm.x = read_node_float(kg, &offset);
|
|
tfm.y = read_node_float(kg, &offset);
|
|
tfm.z = read_node_float(kg, &offset);
|
|
co = transform_point(&tfm, co);
|
|
}
|
|
|
|
r = kernel_tex_image_interp_3d(kg, id, co, INTERPOLATION_NONE);
|
|
}
|
|
else
|
|
#endif /* __VOLUME__ */
|
|
if (space != NODE_TEX_VOXEL_SPACE_OBJECT)
|
|
{
|
|
read_node_float(kg, &offset);
|
|
read_node_float(kg, &offset);
|
|
read_node_float(kg, &offset);
|
|
}
|
|
|
|
if (stack_valid(density_out_offset)) {
|
|
stack_store_float(stack, density_out_offset, r.w);
|
|
}
|
|
if (stack_valid(color_out_offset)) {
|
|
stack_store_float3(stack, color_out_offset, make_float3(r.x, r.y, r.z));
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
CCL_NAMESPACE_END
|