Initial commit

Torque/SDK/engine/platformX86UNIX/x86UNIXAsmBlit.cc

@@ -0,0 +1,50 @@
+//-----------------------------------------------------------------------------
+// Torque Game Engine 
+// Copyright (C) GarageGames.com, Inc.
+//-----------------------------------------------------------------------------
+
+
+
+#include "terrain/terrData.h"
+#include "math/mMath.h"
+#include "dgl/dgl.h"
+#include "dgl/gBitmap.h"
+#include "terrain/terrRender.h"
+
+//--------------------------------------------------------------------------
+void bitmapExtrude5551_asm(const void *srcMip, void *mip, U32 height, U32 width)
+{
+   const U16 *src = (const U16 *) srcMip;
+   U16 *dst = (U16 *) mip;
+   U32 stride = width << 1;
+   
+   for(U32 y = 0; y < height; y++)
+   {
+      for(U32 x = 0; x < width; x++)
+      {
+         U32 a = src[0];
+         U32 b = src[1];
+         U32 c = src[stride];
+         U32 d = src[stride+1];
+         dst[x] = ((((a >> 11) + (b >> 11) + (c >> 11) + (d >> 11)) >> 2) << 11) |
+                  (((  ((a >> 6) & 0x1f) + ((b >> 6) & 0x1f) + ((c >> 6) & 0x1f) + ((d >> 6) & 0x1F) ) >> 2) << 6) |
+                  ((( ((a >> 1) & 0x1F) + ((b >> 1) & 0x1F) + ((c >> 1) & 0x1f) + ((d >> 1) & 0x1f)) >> 2) << 1);
+         src += 2;
+      }
+      src += stride;
+      dst += width;
+   }
+}
+
+//--------------------------------------------------------------------------
+void PlatformBlitInit()
+{
+   bitmapExtrude5551 = bitmapExtrude5551_asm;
+   bitmapExtrudeRGB  = bitmapExtrudeRGB_c;
+
+   if (Platform::SystemInfo.processor.properties & CPU_PROP_MMX)
+   {
+      // JMQ: haven't bothered porting mmx bitmap funcs because they don't
+      // seem to offer a big performance boost right now.
+   }
+}