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authorBrian Paul <[email protected]>1999-10-21 22:13:58 +0000
committerBrian Paul <[email protected]>1999-10-21 22:13:58 +0000
commitd13c0a90c7b57d8e29b9105290bc05f21f2c97d8 (patch)
tree5be147d5c23a3a2aed3f926f48a35439afd593e0 /progs/demos
parentac12609099dfe34a2934256bc0aa32446c9cc49d (diff)
added f key to toggle front/back drawing
Diffstat (limited to 'progs/demos')
-rw-r--r--progs/demos/drawpix.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/progs/demos/drawpix.c b/progs/demos/drawpix.c
index 264df71ab4e..7c858da697b 100644
--- a/progs/demos/drawpix.c
+++ b/progs/demos/drawpix.c
@@ -1,4 +1,4 @@
-/* $Id: drawpix.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+/* $Id: drawpix.c,v 1.2 1999/10/21 22:13:58 brianp Exp $ */
/*
* glDrawPixels demo/test/benchmark
@@ -8,8 +8,11 @@
/*
* $Log: drawpix.c,v $
- * Revision 1.1 1999/08/19 00:55:40 jtg
- * Initial revision
+ * Revision 1.2 1999/10/21 22:13:58 brianp
+ * added f key to toggle front/back drawing
+ *
+ * Revision 1.1.1.1 1999/08/19 00:55:40 jtg
+ * Imported sources
*
* Revision 3.3 1999/03/28 18:18:33 brianp
* minor clean-up
@@ -44,6 +47,7 @@ static int SkipPixels, SkipRows;
static int DrawWidth, DrawHeight;
static int Scissor = 0;
static float Xzoom, Yzoom;
+static GLboolean DrawFront = GL_FALSE;
@@ -82,7 +86,8 @@ static void Display( void )
glDisable(GL_SCISSOR_TEST);
- glutSwapBuffers();
+ if (!DrawFront)
+ glutSwapBuffers();
}
@@ -100,6 +105,11 @@ static void Benchmark( void )
if (Scissor)
glEnable(GL_SCISSOR_TEST);
+ if (DrawFront)
+ glDrawBuffer(GL_FRONT);
+ else
+ glDrawBuffer(GL_BACK);
+
/* Run timing test */
draws = 0;
startTime = glutGet(GLUT_ELAPSED_TIME);
@@ -187,6 +197,14 @@ static void Key( unsigned char key, int x, int y )
case 'b':
Benchmark();
break;
+ case 'f':
+ DrawFront = !DrawFront;
+ if (DrawFront)
+ glDrawBuffer(GL_FRONT);
+ else
+ glDrawBuffer(GL_BACK);
+ printf("glDrawBuffer(%s)\n", DrawFront ? "GL_FRONT" : "GL_BACK");
+ break;
case 27:
exit(0);
break;
@@ -270,6 +288,7 @@ static void Usage(void)
printf(" r Decrease GL_UNPACK_SKIP_ROWS\n");
printf(" R Increase GL_UNPACK_SKIP_ROWS\n");
printf(" s Toggle GL_SCISSOR_TEST\n");
+ printf(" f Toggle front/back buffer drawing\n");
printf(" b Benchmark test\n");
printf(" ESC Exit\n");
}