From ff7a7031caa0ac592f210aca696a20c9de6dc0d4 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Fonseca?= <jrfonseca@tungstengraphics.com>
Date: Sat, 26 Jul 2008 09:17:10 +0900
Subject: [PATCH] gallium: Windows miniport portability fixes.

---
 src/gallium/auxiliary/util/p_debug.c    | 12 ++---
 src/gallium/auxiliary/util/u_snprintf.c | 10 ++++
 src/gallium/include/pipe/p_util.h       | 63 +++++++++++++++++++++++++
 3 files changed, 78 insertions(+), 7 deletions(-)

diff --git a/src/gallium/auxiliary/util/p_debug.c b/src/gallium/auxiliary/util/p_debug.c
index b0240ad7375..cdc7e66361d 100644
--- a/src/gallium/auxiliary/util/p_debug.c
+++ b/src/gallium/auxiliary/util/p_debug.c
@@ -73,8 +73,7 @@ _EngDebugPrint(const char *format, ...)
 
 void _debug_vprintf(const char *format, va_list ap)
 {
-#ifdef PIPE_SUBSYSTEM_WINDOWS_DISPLAY
-#ifndef WINCE
+#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
    /* EngDebugPrint does not handle float point arguments, so we need to use
     * our own vsnprintf implementation. It is also very slow, so buffer until
     * we find a newline. */
@@ -85,9 +84,6 @@ void _debug_vprintf(const char *format, va_list ap)
       _EngDebugPrint("%s", buf);
       buf[0] = '\0';
    }
-#else
-   /* TODO: Implement debug print for WINCE */
-#endif
 #elif defined(PIPE_SUBSYSTEM_WINDOWS_USER)
    /* EngDebugPrint does not handle float point arguments, so we need to use
     * our own vsnprintf implementation. It is also very slow, so buffer until
@@ -99,7 +95,9 @@ void _debug_vprintf(const char *format, va_list ap)
       OutputDebugStringA(buf);
       buf[0] = '\0';
    }
-#else
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_CE) || defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) 
+   /* TODO */
+#else /* !PIPE_SUBSYSTEM_WINDOWS */
    vfprintf(stderr, format, ap);
 #endif
 }
@@ -211,7 +209,7 @@ _debug_get_option(const char *name)
 #else
    return NULL;
 #endif
-#elif defined(PIPE_SUBSYSTEM_WINDOWS_CE)
+#elif defined(PIPE_SUBSYSTEM_WINDOWS_CE) || defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) 
    /* TODO: implement */
    return NULL;
 #else
diff --git a/src/gallium/auxiliary/util/u_snprintf.c b/src/gallium/auxiliary/util/u_snprintf.c
index c4f4bbd30c2..7fa84d8bec6 100644
--- a/src/gallium/auxiliary/util/u_snprintf.c
+++ b/src/gallium/auxiliary/util/u_snprintf.c
@@ -162,6 +162,8 @@
  * <http://www.jhweiss.de/software/snprintf.html>.
  */
 
+#include "pipe/p_config.h"
+
 #if HAVE_CONFIG_H
 #include <config.h>
 #else
@@ -1102,7 +1104,11 @@ again:
 	 * Factor of ten with the number of digits needed for the fractional
 	 * part.  For example, if the precision is 3, the mask will be 1000.
 	 */
+#if defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
+	mask = (unsigned long)mypow10(precision);
+#else
 	mask = (UINTMAX_T)mypow10(precision);
+#endif
 	/*
 	 * We "cheat" by converting the fractional part to integer by
 	 * multiplying by a factor of ten.
@@ -1354,7 +1360,11 @@ cast(LDOUBLE value)
 	if (value >= UINTMAX_MAX)
 		return UINTMAX_MAX;
 
+#if defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
+	result = (unsigned long)value;
+#else
 	result = (UINTMAX_T)value;
+#endif
 	/*
 	 * At least on NetBSD/sparc64 3.0.2 and 4.99.30, casting long double to
 	 * an integer type converts e.g. 1.9 to 2 instead of 1 (which violates
diff --git a/src/gallium/include/pipe/p_util.h b/src/gallium/include/pipe/p_util.h
index 7dcdd282875..892bd4bf8a8 100644
--- a/src/gallium/include/pipe/p_util.h
+++ b/src/gallium/include/pipe/p_util.h
@@ -33,8 +33,71 @@
 #include "p_debug.h"
 #include "p_format.h"
 #include "p_pointer.h"
+
+#if defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) || defined(PIPE_SUBSYSTEM_WINDOWS_CE)
+__inline double ceil(double val)
+{
+	double ceil_val;
+
+	if((val - (long) val) == 0) {
+		ceil_val = val;
+	} else {
+		if(val > 0) {
+			ceil_val = (long) val + 1;
+		} else {
+			ceil_val = (long) val;
+		}
+	}
+
+	return ceil_val;
+}
+
+#ifndef PIPE_SUBSYSTEM_WINDOWS_CE
+__inline double floor(double val)
+{
+	double floor_val;
+
+	if((val - (long) val) == 0) {
+		floor_val = val;
+	} else {
+		if(val > 0) {
+			floor_val = (long) val;
+		} else {
+			floor_val = (long) val - 1;
+		}
+	}
+
+	return floor_val;
+}
+#endif
+
+#pragma function(pow)
+__inline double __cdecl pow(double val, double exponent)
+{
+	/* XXX */
+	assert(0);
+	return 0;
+}
+
+#pragma function(log)
+__inline double __cdecl log(double val)
+{
+	/* XXX */
+	assert(0);
+	return 0;
+}
+
+#pragma function(atan2)
+__inline double __cdecl atan2(double val)
+{
+	/* XXX */
+	assert(0);
+	return 0;
+}
+#else
 #include <math.h>
 #include <stdarg.h>
+#endif
 
 
 #ifdef __cplusplus
-- 
2.30.2