allow to compile using clang-cl on visual studio (disable SSE)

src/Bullet3Common/b3Logging.h

@@ -14,7 +14,20 @@ extern "C"
 	//#define b3Printf b3OutputPrintfVarArgsInternal
 	//#define b3Printf(...) printf(__VA_ARGS__)
 	//#define b3Printf(...)
-
+#ifdef __clang__
+#define b3Warning(...)                                                                    \
+	do                                                                                    \
+	{                                                                                     \
+		b3OutputWarningMessageVarArgsInternal("b3Warning[%s,%d]:\n", __FILE_NAME__, __LINE__); \
+		b3OutputWarningMessageVarArgsInternal(__VA_ARGS__);                               \
+	} while (0)
+#define b3Error(...)                                                                  \
+	do                                                                                \
+	{                                                                                 \
+		b3OutputErrorMessageVarArgsInternal("b3Error[%s,%d]:\n", __FILE_NAME__, __LINE__); \
+		b3OutputErrorMessageVarArgsInternal(__VA_ARGS__);                             \
+	} while (0)
+#else//__clang__
 #define b3Warning(...)                                                                    \
 	do                                                                                    \
 	{                                                                                     \
@@ -27,7 +40,7 @@ extern "C"
 		b3OutputErrorMessageVarArgsInternal("b3Error[%s,%d]:\n", __FILE__, __LINE__); \
 		b3OutputErrorMessageVarArgsInternal(__VA_ARGS__);                             \
 	} while (0)
-
+#endif //__clang__
 #ifndef B3_NO_PROFILE
 
 	void b3EnterProfileZone(const char* name);

src/Bullet3Common/b3Scalar.h

@@ -71,7 +71,17 @@ inline int b3GetVersion()
 
 #if (defined(_WIN32) && (_MSC_VER) && _MSC_VER >= 1400) && (!defined(B3_USE_DOUBLE_PRECISION))
 #if (defined(_M_IX86) || defined(_M_X64))
+
+
+#ifdef __clang__
+//#define B3_NO_SIMD_OPERATOR_OVERLOADS
+#define B3_DISABLE_SSE
+#endif //__clang__
+
+#ifndef B3_DISABLE_SSE
 #define B3_USE_SSE
+#endif //B3_DISABLE_SSE
+
 #ifdef B3_USE_SSE
 //B3_USE_SSE_IN_API is disabled under Windows by default, because
 //it makes it harder to integrate Bullet into your application under Windows
@@ -92,17 +102,7 @@ inline int b3GetVersion()
 #ifdef B3_DEBUG
 #ifdef _MSC_VER
 #include <stdio.h>
-#define b3Assert(x)               \
-	{                             \
-		if (!(x))                 \
-		{                         \
-			b3Error(              \
-				"Assert "__FILE__ \
-				":%u (" #x ")\n", \
-				__LINE__);        \
-			__debugbreak();       \
-		}                         \
-	}
+#define b3Assert(x) { if(!(x)){b3Error("Assert " __FILE__ ":%u (%s)\n", __LINE__, #x);__debugbreak();	}}
 #else  //_MSC_VER
 #include <assert.h>
 #define b3Assert assert
@@ -297,7 +297,7 @@ static int b3NanMask = 0x7F800001;
 static int b3InfinityMask = 0x7F800000;
 #define B3_INFINITY_MASK (*(float *)&b3InfinityMask)
 #endif
-
+#ifndef B3_NO_SIMD_OPERATOR_OVERLOADS
 inline __m128 operator+(const __m128 A, const __m128 B)
 {
 	return _mm_add_ps(A, B);
@@ -312,7 +312,7 @@ inline __m128 operator*(const __m128 A, const __m128 B)
 {
 	return _mm_mul_ps(A, B);
 }
-
+#endif //B3_NO_SIMD_OPERATOR_OVERLOADS
 #define b3CastfTo128i(a) (_mm_castps_si128(a))
 #define b3CastfTo128d(a) (_mm_castps_pd(a))
 #define b3CastiTo128f(a) (_mm_castsi128_ps(a))

src/LinearMath/btScalar.h

@@ -110,11 +110,16 @@ inline int btIsDoublePrecision()
 #if defined (_M_ARM)
             //Do not turn SSE on for ARM (may want to turn on BT_USE_NEON however)
 #elif (defined (_WIN32) && (_MSC_VER) && _MSC_VER >= 1400) && (!defined (BT_USE_DOUBLE_PRECISION))
+
+#ifdef __clang__
+#define __BT_DISABLE_SSE__
+#endif
+#ifndef __BT_DISABLE_SSE__
 			#if _MSC_VER>1400
 				#define BT_USE_SIMD_VECTOR3
 			#endif
-
 			#define BT_USE_SSE
+#endif//__BT_DISABLE_SSE__
 			#ifdef BT_USE_SSE
 
 #if (_MSC_FULL_VER >= 170050727)//Visual Studio 2012 can compile SSE4/FMA3 (but SSE4/FMA3 is not enabled by default)
@@ -210,6 +215,7 @@ inline int btIsDoublePrecision()
 
 			#if (defined (__APPLE__) && (!defined (BT_USE_DOUBLE_PRECISION)))
 				#if defined (__i386__) || defined (__x86_64__)
+#error bla
 					#define BT_USE_SIMD_VECTOR3
 					#define BT_USE_SSE
 					//BT_USE_SSE_IN_API is enabled on Mac OSX by default, because memory is automatically aligned on 16-byte boundaries