progs/demos: add fps output to cubemap

2009-08-23 19:02:17 +01:00
parent 153e474d22
commit 75312b6555
1 changed files with 16 additions and 0 deletions
@@ -53,6 +53,8 @@ static GLint FrameParity = 0;
 static GLenum FilterIndex = 0;
 static GLint ClampIndex = 0;
 static GLboolean supportFBO = GL_FALSE;
+static GLint T0 = 0;
+static GLint Frames = 0;


 static struct {
@@ -268,6 +270,20 @@ static void draw( void )
   glPopMatrix();

   glutSwapBuffers();
+
+   Frames++;
+
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      if (t - T0 >= 5000) {
+	 GLfloat seconds = (t - T0) / 1000.0;
+	 GLfloat fps = Frames / seconds;
+	 printf("%d frames in %6.3f seconds = %6.3f FPS\n", Frames, seconds, fps);
+	 fflush(stdout);
+	 T0 = t;
+	 Frames = 0;
+      }
+   }
 }