Remove demos that have moved to git+ssh://git.freedesktop.org/git/mesa/demos.

[mesa.git] / progs / perf / common.c

diff --git a/progs/perf/common.c b/progs/perf/common.c
deleted file mode 100644 (file)
index b6489ef..0000000
--- a/progs/perf/common.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * VMWARE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * Common perf code.  This should be re-usable with other APIs.
- */
-
-#include "common.h"
-#include "glmain.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-
-#if defined(_MSC_VER)
-#define snprintf _snprintf
-#endif
-
-
-/* Need to add a fflush windows console with mingw, otherwise nothing
- * shows up until program exit.  May want to add logging here.
- */
-void
-perf_printf(const char *format, ...)
-{
-   va_list ap;
-   va_start(ap, format);
-
-   fflush(stdout);
-   vfprintf(stdout, format, ap);
-   fflush(stdout);
-
-   va_end(ap);
-}
-
-
-
-/**
- * Run function 'f' for enough iterations to reach a steady state.
- * Return the rate (iterations/second).
- */
-double
-PerfMeasureRate(PerfRateFunc f)
-{
-   const double minDuration = 1.0;
-   double rate = 0.0, prevRate = 0.0;
-   unsigned subiters;
-
-   /* Compute initial number of iterations to try.
-    * If the test function is pretty slow this helps to avoid
-    * extraordarily long run times.
-    */
-   subiters = 2;
-   {
-      const double t0 = PerfGetTime();
-      double t1;
-      do {
-         f(subiters); /* call the rendering function */
-         t1 = PerfGetTime();
-         subiters *= 2;
-      } while (t1 - t0 < 0.1 * minDuration);
-   }
-   /*perf_printf("initial subIters = %u\n", subiters);*/
-
-   while (1) {
-      const double t0 = PerfGetTime();
-      unsigned iters = 0;
-      double t1;
-
-      do {
-         f(subiters); /* call the rendering function */
-         t1 = PerfGetTime();
-         iters += subiters;
-      } while (t1 - t0 < minDuration);
-
-      rate = iters / (t1 - t0);
-
-      if (0)
-         perf_printf("prevRate %f  rate  %f  ratio %f  iters %u\n",
-                prevRate, rate, rate/prevRate, iters);
-
-      /* Try and speed the search up by skipping a few steps:
-       */
-      if (rate > prevRate * 1.6)
-         subiters *= 8;
-      else if (rate > prevRate * 1.2)
-         subiters *= 4;
-      else if (rate > prevRate * 1.05)
-         subiters *= 2;
-      else
-         break;
-
-      prevRate = rate;
-   }
-
-   if (0)
-      perf_printf("%s returning iters %u  rate %f\n", __FUNCTION__, subiters, rate);
-   return rate;
-}
-
-
-/* Note static buffer, can only use once per printf.
- */
-const char *
-PerfHumanFloat( double d )
-{
-   static char buf[80];
-
-   if (d > 1000000000.0)
-      snprintf(buf, sizeof(buf), "%.1f billion", d / 1000000000.0);
-   else if (d > 1000000.0)
-      snprintf(buf, sizeof(buf), "%.1f million", d / 1000000.0);
-   else if (d > 1000.0)
-      snprintf(buf, sizeof(buf), "%.1f thousand", d / 1000.0);
-   else
-      snprintf(buf, sizeof(buf), "%.1f", d);
-
-   return buf;
-}