gpu_vertex_format_normals.cc

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/* SPDX-FileCopyrightText: 2025 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "BLI_math_vector_types.hh"
#include "BLI_span.hh"
#include "BLI_task.hh"
 
#include "GPU_attribute_convert.hh"
 
namespace blender::gpu {
 
template<typename GPUType>
static void convert_normals_impl(const Span<float3> src, MutableSpan<GPUType> dst)
{
  threading::parallel_for(src.index_range(), 2048, [&](const IndexRange range) {
    for (const int i : range) {
      dst[i] = convert_normal<GPUType>(src[i]);
    }
  });
}
 
template<> void convert_normals(const Span<float3> src, MutableSpan<PackedNormal> dst)
{
  convert_normals_impl(src, dst);
}
template<> void convert_normals(const Span<float3> src, MutableSpan<short4> dst)
{
  convert_normals_impl(src, dst);
}
 
}  // namespace blender::gpu