gallium: Define __func__ on MSVC.

[mesa.git] / src / gallium / include / pipe / p_compiler.h

diff --git a/src/gallium/include/pipe/p_compiler.h b/src/gallium/include/pipe/p_compiler.h
index a14486a5fb5cb1e3fe80b310888c35772851293e..3441db685ce44c3f5fbb9957db40c5b571d25d1b 100644 (file)
--- a/src/gallium/include/pipe/p_compiler.h
+++ b/src/gallium/include/pipe/p_compiler.h
@@ -35,6 +35,7 @@
 #include <string.h>
 #include <stddef.h>
 #include <stdarg.h>
+#include <limits.h>
 
 
 #if defined(_WIN32) && !defined(__WIN32__)
@@ -60,6 +61,11 @@
 #include <stdbool.h>
 
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 #if !defined(__HAIKU__) && !defined(__USE_MISC)
 typedef unsigned int       uint;
 typedef unsigned short     ushort;
@@ -74,6 +80,14 @@ typedef unsigned char boolean;
 #define FALSE false
 #endif
 
+#ifndef va_copy
+#ifdef __va_copy
+#define va_copy(dest, src) __va_copy((dest), (src))
+#else
+#define va_copy(dest, src) (dest) = (src)
+#endif
+#endif
+
 /* Function inlining */
 #ifndef INLINE
 #  ifdef __cplusplus
@@ -97,6 +111,37 @@ typedef unsigned char boolean;
 #  endif
 #endif
 
+/* Forced function inlining */
+#ifndef ALWAYS_INLINE
+#  ifdef __GNUC__
+#    define ALWAYS_INLINE inline __attribute__((always_inline))
+#  elif defined(_MSC_VER)
+#    define ALWAYS_INLINE __forceinline
+#  else
+#    define ALWAYS_INLINE INLINE
+#  endif
+#endif
+
+/*
+ * Define the C99 restrict keyword.
+ *
+ * See also:
+ * - http://cellperformance.beyond3d.com/articles/2006/05/demystifying-the-restrict-keyword.html
+ */
+#ifndef restrict
+#  if (__STDC_VERSION__ >= 199901L)
+     /* C99 */
+#  elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
+     /* C99 */
+#  elif defined(__GNUC__)
+#    define restrict __restrict__
+#  elif defined(_MSC_VER)
+#    define restrict __restrict
+#  else
+#    define restrict /* */
+#  endif
+#endif
+
 
 /* Function visibility */
 #ifndef PUBLIC
@@ -126,6 +171,18 @@ typedef unsigned char boolean;
 #  define __FUNCTION__ "<unknown>"
 # endif
 #endif
+#ifndef __func__
+#  if (__STDC_VERSION__ >= 199901L) || \
+      (defined(__SUNPRO_C) && defined(__C99FEATURES__))
+       /* __func__ is part of C99 */
+#  elif defined(_MSC_VER)
+#    if _MSC_VER >= 1300
+#      define __func__ __FUNCTION__
+#    else
+#      define __func__ "<unknown>"
+#    endif
+#  endif
+#endif
 
 
 
@@ -184,6 +241,25 @@ typedef unsigned char boolean;
 
 #endif
 
+
+#if defined(__GNUC__)
+
+#define PIPE_READ_WRITE_BARRIER() __asm__("":::"memory")
+
+#elif defined(_MSC_VER)
+
+void _ReadWriteBarrier(void);
+#pragma intrinsic(_ReadWriteBarrier)
+#define PIPE_READ_WRITE_BARRIER() _ReadWriteBarrier()
+
+#else
+
+#warning "Unsupported compiler"
+#define PIPE_READ_WRITE_BARRIER() /* */
+
+#endif
+
+
 /* You should use these macros to mark if blocks where the if condition
  * is either likely to be true, or unlikely to be true.
  *
@@ -224,4 +300,10 @@ typedef unsigned char boolean;
 #define unlikely(x) !!(x)
 #endif
 
+
+#if defined(__cplusplus)
+}
+#endif
+
+
 #endif /* P_COMPILER_H */