kernel/device/cpu/kernel.cpp

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/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
 *
 * SPDX-License-Identifier: Apache-2.0 */
 
/* CPU kernel entry points */
 
/* On x86-64, our minimum is SSE4.2, so avoid the extra kernel and compile this
 * one with SSE4.2 intrinsics.
 */
#if defined(__x86_64__) || defined(_M_X64)
#  define __KERNEL_SSE__
#  define __KERNEL_SSE2__
#  define __KERNEL_SSE3__
#  define __KERNEL_SSSE3__
#  define __KERNEL_SSE42__
#endif
 
/* When building kernel for native machine detect kernel features from the flags
 * set by compiler.
 */
#ifdef WITH_KERNEL_NATIVE
#  ifdef __SSE4_2__
#    ifndef __KERNEL_SSE42__
#      define __KERNEL_SSE42__
#    endif
#  endif
#  ifdef __AVX__
#    ifndef __KERNEL_SSE__
#      define __KERNEL_SSE__
#    endif
#    define __KERNEL_AVX__
#  endif
#  ifdef __AVX2__
#    ifndef __KERNEL_SSE__
#      define __KERNEL_SSE__
#    endif
#    define __KERNEL_AVX2__
#  endif
#endif
 
/* quiet unused define warnings */
#if defined(__KERNEL_SSE2__)
/* do nothing */
#endif
 
#include "kernel/device/cpu/globals.h"
 
#include "kernel/device/cpu/kernel.h"
#define KERNEL_ARCH cpu
#include "kernel/device/cpu/kernel_arch_impl.h"
 
CCL_NAMESPACE_BEGIN
 
/* Memory Copy */
 
void kernel_const_copy(KernelGlobalsCPU *kg, const char *name, void *host, size_t /*unused*/)
{
  if (strcmp(name, "data") == 0) {
    kg->data = *(KernelData *)host;
  }
  else {
    assert(0);
  }
}
 
void kernel_global_memory_copy(KernelGlobalsCPU *kg,
                               const char *name,
                               void *mem,
                               const size_t size)
{
  if (false) {
  }
 
#define KERNEL_DATA_ARRAY(type, tname) \
  else if (strcmp(name, #tname) == 0) { \
    kg->tname.data = (type *)mem; \
    kg->tname.width = size; \
  }
#include "kernel/data_arrays.h"
  else {
    assert(0);
  }
}
 
CCL_NAMESPACE_END