new mesh deformer using SSE2 instructions

src/EterLib/GrpDevice.cpp

@@ -3,6 +3,7 @@
 #include "../eterBase/Stl.h"
 #include "../eterBase/Debug.h"
 
+bool CPU_HAS_SSE2 = false;
 bool GRAPHICS_CAPS_CAN_NOT_DRAW_LINE = false;
 bool GRAPHICS_CAPS_CAN_NOT_DRAW_SHADOW = false;
 bool GRAPHICS_CAPS_HALF_SIZE_IMAGE = false;
@@ -561,6 +562,12 @@ RETRY:
 		ms_isLowTextureMemory = true;
 	}
 
+	// CPU check
+	int cpuInfo[4] = { 0 };
+	__cpuid(cpuInfo, 1);
+
+	CPU_HAS_SSE2 = cpuInfo[3] & (1 << 26);
+
 	return (iRet);
 }