kernel.cpp

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/*
 * Copyright 2011-2013 Blender Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/* CPU kernel entry points */
 
/* On x86-64, we can assume SSE2, so avoid the extra kernel and compile this
 * one with SSE2 intrinsics.
 */
#if defined(__x86_64__) || defined(_M_X64)
#  define __KERNEL_SSE2__
#endif
 
/* When building kernel for native machine detect kernel features from the flags
 * set by compiler.
 */
#ifdef WITH_KERNEL_NATIVE
#  ifdef __SSE2__
#    ifndef __KERNEL_SSE2__
#      define __KERNEL_SSE2__
#    endif
#  endif
#  ifdef __SSE3__
#    define __KERNEL_SSE3__
#  endif
#  ifdef __SSSE3__
#    define __KERNEL_SSSE3__
#  endif
#  ifdef __SSE4_1__
#    define __KERNEL_SSE41__
#  endif
#  ifdef __AVX__
#    define __KERNEL_SSE__
#    define __KERNEL_AVX__
#  endif
#  ifdef __AVX2__
#    define __KERNEL_SSE__
#    define __KERNEL_AVX2__
#  endif
#endif
 
/* quiet unused define warnings */
#if defined(__KERNEL_SSE2__)
/* do nothing */
#endif
 
#include "kernel/kernel.h"
#define KERNEL_ARCH cpu
#include "kernel/kernels/cpu/kernel_cpu_impl.h"
 
CCL_NAMESPACE_BEGIN
 
/* Memory Copy */
 
void kernel_const_copy(KernelGlobals *kg, const char *name, void *host, size_t)
{
  if (strcmp(name, "__data") == 0) {
    kg->__data = *(KernelData *)host;
  }
  else {
    assert(0);
  }
}
 
void kernel_global_memory_copy(KernelGlobals *kg, const char *name, void *mem, size_t size)
{
  if (0) {
  }
 
#define KERNEL_TEX(type, tname) \
  else if (strcmp(name, #tname) == 0) \
  { \
    kg->tname.data = (type *)mem; \
    kg->tname.width = size; \
  }
#include "kernel/kernel_textures.h"
  else {
    assert(0);
  }
}
 
CCL_NAMESPACE_END