1 files changed, 120 insertions, 0 deletions
diff --git a/xc/extras/Mesa/src-glut/win32_util.c b/xc/extras/Mesa/src-glut/win32_util.c
new file mode 100644
index 000000000..d05d1d1e8
--- /dev/null
+++ b/xc/extras/Mesa/src-glut/win32_util.c
@@ -0,0 +1,120 @@
+
+/* Copyright (c) Nate Robins, 1997. */
+
+/* portions Copyright (c) Mark Kilgard, 1997, 1998. */
+
+/* This program is freely distributable without licensing fees 
+   and is provided without guarantee or warrantee expressed or 
+   implied. This program is -not- in the public domain. */
+
+
+#include "glutint.h"
+#include "glutstroke.h"
+#include "glutbitmap.h"
+#include <sys/timeb.h>
+
+/* The following added by Paul Garceau <pgarceau@teleport.com> */
+#if defined(__MINGW32__)
+#include <time.h>
+#include <windows.h>
+struct timeval;
+#endif
+
+extern StrokeFontRec glutStrokeRoman, glutStrokeMonoRoman;
+extern BitmapFontRec glutBitmap8By13, glutBitmap9By15, glutBitmapTimesRoman10, glutBitmapTimesRoman24, glutBitmapHelvetica10, glutBitmapHelvetica12, glutBitmapHelvetica18;
+
+#ifndef __CYGWIN32__
+int
+gettimeofday(struct timeval* tp, void* tzp)
+{
+  struct timeb tb;
+
+  ftime(&tb);
+  tp->tv_sec = tb.time;
+  tp->tv_usec = tb.millitm * 1000;
+
+  /* 0 indicates that the call succeeded. */
+  return 0;
+}
+#endif
+
+/* To get around the fact that Microsoft DLLs only allow functions
+   to be exported and now data addresses (as Unix DSOs support), the
+   GLUT API constants such as GLUT_STROKE_ROMAN have to get passed
+   through a case statement to get mapped to the actual data structure
+   address. */
+void*
+__glutFont(void *font)
+{
+  switch((int)font) {
+  case (int)GLUT_STROKE_ROMAN:
+    return &glutStrokeRoman;
+  case (int)GLUT_STROKE_MONO_ROMAN:
+    return &glutStrokeMonoRoman;
+  case (int)GLUT_BITMAP_9_BY_15:
+    return &glutBitmap9By15;
+  case (int)GLUT_BITMAP_8_BY_13:
+    return &glutBitmap8By13;
+  case (int)GLUT_BITMAP_TIMES_ROMAN_10:
+    return &glutBitmapTimesRoman10;
+  case (int)GLUT_BITMAP_TIMES_ROMAN_24:
+    return &glutBitmapTimesRoman24;
+  case (int)GLUT_BITMAP_HELVETICA_10:
+    return &glutBitmapHelvetica10;
+  case (int)GLUT_BITMAP_HELVETICA_12:
+    return &glutBitmapHelvetica12;
+  case (int)GLUT_BITMAP_HELVETICA_18:
+    return &glutBitmapHelvetica18;
+  }
+  __glutFatalError("out of memory.");
+  /* NOTREACHED */
+  return NULL; /* MSVC compiler complains if there is no return at all */
+}
+
+int
+__glutGetTransparentPixel(Display * dpy, XVisualInfo * vinfo)
+{
+  /* the transparent pixel on Win32 is always index number 0.  So if
+     we put this routine in this file, we can avoid compiling the
+     whole of layerutil.c which is where this routine normally comes
+     from. */
+  return 0;
+}
+
+void
+__glutAdjustCoords(Window parent, int* x, int* y, int* width, int* height)
+{
+  RECT rect;
+
+  /* adjust the window rectangle because Win32 thinks that the x, y,
+     width & height are the WHOLE window (including decorations),
+     whereas GLUT treats the x, y, width & height as only the CLIENT
+     area of the window. */
+  rect.left = *x; rect.top = *y;
+  rect.right = *x + *width; rect.bottom = *y + *height;
+
+  /* must adjust the coordinates according to the correct style
+     because depending on the style, there may or may not be
+     borders. */
+  AdjustWindowRect(&rect, WS_CLIPSIBLINGS | WS_CLIPCHILDREN |
+		   (parent ? WS_CHILD : WS_OVERLAPPEDWINDOW),
+		   FALSE);
+  /* FALSE in the third parameter = window has no menu bar */
+
+  /* readjust if the x and y are offscreen */
+  if(rect.left < 0) {
+    *x = 0;
+  } else {
+    *x = rect.left;
+  }
+  
+  if(rect.top < 0) {
+    *y = 0;
+  } else {
+    *y = rect.top;
+  }
+
+  *width = rect.right - rect.left;	/* adjusted width */
+  *height = rect.bottom - rect.top;	/* adjusted height */
+}
+