Engine directory for ticket #1

2026-02-13 03:33:48 +00:00 · 2012-09-19 11:15:01 -04:00 · 2012-09-19 11:15:01 -04:00 · 7dbfe6994d
commit 7dbfe6994d
parent 352279af7a
3795 changed files with 1363358 additions and 0 deletions
--- a/Engine/source/platformX86UNIX/x86UNIXMath.cpp
+++ b/Engine/source/platformX86UNIX/x86UNIXMath.cpp
@ -0,0 +1,146 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "platform/platform.h"
+#include "console/console.h"
+#include "math/mMath.h"
+#include "core/strings/stringFunctions.h"
+
+
+extern void mInstallLibrary_C();
+extern void mInstallLibrary_ASM();
+
+
+extern void mInstall_AMD_Math();
+extern void mInstall_Library_SSE();
+
+
+//--------------------------------------
+ConsoleFunction( MathInit, void, 1, 10, "(detect|C|FPU|MMX|3DNOW|SSE|...)")
+{
+   U32 properties = CPU_PROP_C;  // C entensions are always used
+
+   if (argc == 1)
+   {
+         Math::init(0);
+         return;
+   }
+   for (argc--, argv++; argc; argc--, argv++)
+   {
+      if (dStricmp(*argv, "DETECT") == 0) {
+         Math::init(0);
+         return;
+      }
+      if (dStricmp(*argv, "C") == 0) {
+         properties |= CPU_PROP_C;
+         continue;
+      }
+      if (dStricmp(*argv, "FPU") == 0) {
+         properties |= CPU_PROP_FPU;
+         continue;
+      }
+      if (dStricmp(*argv, "MMX") == 0) {
+         properties |= CPU_PROP_MMX;
+         continue;
+      }
+      if (dStricmp(*argv, "3DNOW") == 0) {
+         properties |= CPU_PROP_3DNOW;
+         continue;
+      }
+      if (dStricmp(*argv, "SSE") == 0) {
+         properties |= CPU_PROP_SSE;
+         continue;
+      }
+      Con::printf("Error: MathInit(): ignoring unknown math extension '%s'", *argv);
+   }
+   Math::init(properties);
+}
+
+
+
+//------------------------------------------------------------------------------
+void Math::init(U32 properties)
+{
+   if (!properties)
+      // detect what's available
+      properties = Platform::SystemInfo.processor.properties;
+   else
+      // Make sure we're not asking for anything that's not supported
+      properties &= Platform::SystemInfo.processor.properties;
+
+   Con::printf("Math Init:");
+   Con::printf("   Installing Standard C extensions");
+   mInstallLibrary_C();
+
+   Con::printf("   Installing Assembly extensions");
+   mInstallLibrary_ASM();
+
+   if (properties & CPU_PROP_FPU)
+   {
+      Con::printf("   Installing FPU extensions");
+   }
+
+   if (properties & CPU_PROP_MMX)
+   {
+      Con::printf("   Installing MMX extensions");
+      if (properties & CPU_PROP_3DNOW)
+      {
+         Con::printf("   Installing 3DNow extensions");
+         mInstall_AMD_Math();
+      }
+   }
+
+#if !defined(__MWERKS__) || (__MWERKS__ >= 0x2400)
+   if (properties & CPU_PROP_SSE)
+   {
+      Con::printf("   Installing SSE extensions");
+      mInstall_Library_SSE();
+   }
+#endif //mwerks>2.4
+
+   Con::printf(" ");
+}
+
+
+//------------------------------------------------------------------------------
+
+static MRandomLCG sgPlatRandom;
+
+F32 Platform::getRandom()
+{
+   return sgPlatRandom.randF();
+}
+
+U32 Platform::getMathControlState()
+{
+   return 0;
+}
+
+void Platform::setMathControlStateKnown()
+{
+   
+}
+
+void Platform::setMathControlState(U32 state)
+{
+   
+}