diff options
Diffstat (limited to 'progs/demos/drawpix.c')
| -rw-r--r-- | progs/demos/drawpix.c | 27 |
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"); } |