From 3d5e8e181a3d65ffd41a17110a8e552244d9f7bd Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Mon, 22 Jun 2015 13:42:44 -0600
Subject: demos: flush stdout after printing frame rate

To get immediate output on Windows.
Trivial.
---
 src/demos/fbo_firecube.c | 3 ++-
 src/demos/fire.c         | 1 +
 src/demos/teapot.c       | 1 +
 src/demos/terrain.c      | 1 +
 src/demos/trispd.c       | 1 +
 src/demos/tunnel.c       | 1 +
 src/demos/tunnel2.c      | 1 +
 7 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/demos/fbo_firecube.c b/src/demos/fbo_firecube.c
index 333c04c7..eefbb640 100644
--- a/src/demos/fbo_firecube.c
+++ b/src/demos/fbo_firecube.c
@@ -584,7 +584,8 @@ drawfire(void)
 	 GLfloat seconds = (t - T0) / 1000.0;
 	 GLfloat fps = Frames / seconds;
 	 sprintf(frbuf, "Frame rate: %f", fps);
-         printf("%s\n", frbuf);
+	 printf("%s\n", frbuf);
+	 fflush(stdout);
 	 T0 = t;
 	 Frames = 0;
       }
diff --git a/src/demos/fire.c b/src/demos/fire.c
index c40278ba..34fac440 100644
--- a/src/demos/fire.c
+++ b/src/demos/fire.c
@@ -529,6 +529,7 @@ drawfire(void)
          GLfloat fps = Frames / seconds;
          sprintf(frbuf, "Frame rate: %f", fps);
          printf("%s\n", frbuf);
+         fflush(stdout);
          T0 = t;
          Frames = 0;
       }
diff --git a/src/demos/teapot.c b/src/demos/teapot.c
index f75ad944..23d2225b 100644
--- a/src/demos/teapot.c
+++ b/src/demos/teapot.c
@@ -491,6 +491,7 @@ static void draw(void)
          GLfloat fps = Frames / seconds;
          sprintf(frbuf, "Frame rate: %f", fps);
          printf("%s\n", frbuf);
+         fflush(stdout);
          T0 = t;
          Frames = 0;
       }
diff --git a/src/demos/terrain.c b/src/demos/terrain.c
index 435912ae..9e3629db 100644
--- a/src/demos/terrain.c
+++ b/src/demos/terrain.c
@@ -426,6 +426,7 @@ drawscene(void)
          GLfloat fps = Frames / seconds;
          sprintf(frbuf, "Frame rate: %f", fps);
          printf("%s\n", frbuf);
+         fflush(stdout);
          T0 = t;
          Frames = 0;
       }
diff --git a/src/demos/trispd.c b/src/demos/trispd.c
index 0c7ad6ec..d6e231e5 100644
--- a/src/demos/trispd.c
+++ b/src/demos/trispd.c
@@ -95,6 +95,7 @@ static void Display( void )
    pixelRate = triRate * Size;
    printf("Rate: %d tri in %gs = %g tri/s  %d pixels/s\n",
           triCount, t1-t0, triRate, (int)pixelRate);
+   fflush(stdout);
 
    glutSwapBuffers();
 }
diff --git a/src/demos/tunnel.c b/src/demos/tunnel.c
index 6e48ad46..dea689e0 100644
--- a/src/demos/tunnel.c
+++ b/src/demos/tunnel.c
@@ -470,6 +470,7 @@ draw(void)
          GLfloat fps = Frames / seconds;
          sprintf(frbuf, "Frame rate: %f", fps);
          printf("%s\n", frbuf);
+         fflush(stdout);
          T0 = t;
          Frames = 0;
       }
diff --git a/src/demos/tunnel2.c b/src/demos/tunnel2.c
index 800ea7b0..1126a385 100644
--- a/src/demos/tunnel2.c
+++ b/src/demos/tunnel2.c
@@ -491,6 +491,7 @@ draw(void)
          GLfloat fps = Frames / seconds;
          sprintf(frbuf, "Frame rate: %f", fps);
          printf("%s\n", frbuf);
+         fflush(stdout);
          T0 = t;
          Frames = 0;
       }
-- 
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