OpenHarmony/third_party_mesa3d
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added f key to toggle front/back drawing

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This commit is contained in:
Brian Paul
1999-10-21 22:13:58 +00:00
parent ac12609099
commit d13c0a90c7
1 changed files with 23 additions and 4 deletions
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25
progs/demos/drawpix.c
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@@ -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 * glDrawPixels demo/test/benchmark
@@ -8,8 +8,11 @@
/* /*
* $Log: drawpix.c,v $ * $Log: drawpix.c,v $
* Revision 1.1 1999/08/19 00:55:40 jtg * Revision 1.2 1999/10/21 22:13:58 brianp
* Initial revision * 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 * Revision 3.3 1999/03/28 18:18:33 brianp
* minor clean-up * minor clean-up
@@ -44,6 +47,7 @@ static int SkipPixels, SkipRows;
static int DrawWidth, DrawHeight; static int DrawWidth, DrawHeight;
static int Scissor = 0; static int Scissor = 0;
static float Xzoom, Yzoom; static float Xzoom, Yzoom;
static GLboolean DrawFront = GL_FALSE;
@@ -82,6 +86,7 @@ static void Display( void )
glDisable(GL_SCISSOR_TEST); glDisable(GL_SCISSOR_TEST);
if (!DrawFront)
glutSwapBuffers(); glutSwapBuffers();
} }
@@ -100,6 +105,11 @@ static void Benchmark( void )
if (Scissor) if (Scissor)
glEnable(GL_SCISSOR_TEST); glEnable(GL_SCISSOR_TEST);
if (DrawFront)
glDrawBuffer(GL_FRONT);
else
glDrawBuffer(GL_BACK);
/* Run timing test */ /* Run timing test */
draws = 0; draws = 0;
startTime = glutGet(GLUT_ELAPSED_TIME); startTime = glutGet(GLUT_ELAPSED_TIME);
@@ -187,6 +197,14 @@ static void Key( unsigned char key, int x, int y )
case 'b': case 'b':
Benchmark(); Benchmark();
break; 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: case 27:
exit(0); exit(0);
break; break;
@@ -270,6 +288,7 @@ static void Usage(void)
printf(" r Decrease GL_UNPACK_SKIP_ROWS\n"); printf(" r Decrease GL_UNPACK_SKIP_ROWS\n");
printf(" R Increase GL_UNPACK_SKIP_ROWS\n"); printf(" R Increase GL_UNPACK_SKIP_ROWS\n");
printf(" s Toggle GL_SCISSOR_TEST\n"); printf(" s Toggle GL_SCISSOR_TEST\n");
printf(" f Toggle front/back buffer drawing\n");
printf(" b Benchmark test\n"); printf(" b Benchmark test\n");
printf(" ESC Exit\n"); printf(" ESC Exit\n");
} }