1 files changed, 124 insertions, 0 deletions
diff --git a/intern/cycles/util/debug.cpp b/intern/cycles/util/debug.cpp
new file mode 100644
index 00000000000..b49df3d42bc
--- /dev/null
+++ b/intern/cycles/util/debug.cpp
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2011-2016 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.
+ */
+
+#include "util/debug.h"
+
+#include <stdlib.h>
+
+#include "bvh/params.h"
+
+#include "util/log.h"
+#include "util/string.h"
+
+CCL_NAMESPACE_BEGIN
+
+DebugFlags::CPU::CPU()
+    : avx2(true), avx(true), sse41(true), sse3(true), sse2(true), bvh_layout(BVH_LAYOUT_AUTO)
+{
+  reset();
+}
+
+void DebugFlags::CPU::reset()
+{
+#define STRINGIFY(x) #x
+#define CHECK_CPU_FLAGS(flag, env) \
+  do { \
+    flag = (getenv(env) == NULL); \
+    if (!flag) { \
+      VLOG(1) << "Disabling " << STRINGIFY(flag) << " instruction set."; \
+    } \
+  } while (0)
+
+  CHECK_CPU_FLAGS(avx2, "CYCLES_CPU_NO_AVX2");
+  CHECK_CPU_FLAGS(avx, "CYCLES_CPU_NO_AVX");
+  CHECK_CPU_FLAGS(sse41, "CYCLES_CPU_NO_SSE41");
+  CHECK_CPU_FLAGS(sse3, "CYCLES_CPU_NO_SSE3");
+  CHECK_CPU_FLAGS(sse2, "CYCLES_CPU_NO_SSE2");
+
+#undef STRINGIFY
+#undef CHECK_CPU_FLAGS
+
+  bvh_layout = BVH_LAYOUT_AUTO;
+}
+
+DebugFlags::CUDA::CUDA() : adaptive_compile(false)
+{
+  reset();
+}
+
+DebugFlags::HIP::HIP() : adaptive_compile(false)
+{
+  reset();
+}
+
+void DebugFlags::CUDA::reset()
+{
+  if (getenv("CYCLES_CUDA_ADAPTIVE_COMPILE") != NULL)
+    adaptive_compile = true;
+}
+
+void DebugFlags::HIP::reset()
+{
+  if (getenv("CYCLES_HIP_ADAPTIVE_COMPILE") != NULL)
+    adaptive_compile = true;
+}
+
+DebugFlags::OptiX::OptiX()
+{
+  reset();
+}
+
+void DebugFlags::OptiX::reset()
+{
+  use_debug = false;
+}
+
+DebugFlags::DebugFlags() : viewport_static_bvh(false), running_inside_blender(false)
+{
+  /* Nothing for now. */
+}
+
+void DebugFlags::reset()
+{
+  viewport_static_bvh = false;
+  cpu.reset();
+  cuda.reset();
+  optix.reset();
+}
+
+std::ostream &operator<<(std::ostream &os, DebugFlagsConstRef debug_flags)
+{
+  os << "CPU flags:\n"
+     << "  AVX2       : " << string_from_bool(debug_flags.cpu.avx2) << "\n"
+     << "  AVX        : " << string_from_bool(debug_flags.cpu.avx) << "\n"
+     << "  SSE4.1     : " << string_from_bool(debug_flags.cpu.sse41) << "\n"
+     << "  SSE3       : " << string_from_bool(debug_flags.cpu.sse3) << "\n"
+     << "  SSE2       : " << string_from_bool(debug_flags.cpu.sse2) << "\n"
+     << "  BVH layout : " << bvh_layout_name(debug_flags.cpu.bvh_layout) << "\n";
+
+  os << "CUDA flags:\n"
+     << "  Adaptive Compile : " << string_from_bool(debug_flags.cuda.adaptive_compile) << "\n";
+
+  os << "OptiX flags:\n"
+     << "  Debug : " << string_from_bool(debug_flags.optix.use_debug) << "\n";
+
+  os << "HIP flags:\n"
+     << "  HIP streams : " << string_from_bool(debug_flags.hip.adaptive_compile) << "\n";
+
+  return os;
+}
+
+CCL_NAMESPACE_END