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#!/bin/sh
# autopkgtest check: Build and run a program against freeglut
# (C) 2014 Anton Gladky <gladk@debian.org>
set -e
if [ -n "${DEB_HOST_GNU_TYPE:-}" ]; then
CROSS_COMPILE="$DEB_HOST_GNU_TYPE-"
else
CROSS_COMPILE=
fi
WORKDIR=$(mktemp -d)
trap "rm -rf $WORKDIR" 0 INT QUIT ABRT PIPE TERM
cd $WORKDIR
cat <<EOF > demo.c
/*
* one.c
*
* Hey! This was the original file where freeglut development started. Just
* note what I have written here at the time. And see the creation date :)
*
* : This is a wrapper. I still have to figure out
* : how to build shared libraries under *nix :)
*
* Copyright (c) 1999 by Pawel W. Olszta
* Written by Pawel W. Olszta, <olszta@sourceforge.net>
* Creation date: czw gru 2 11:58:41 CET 1999
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <GL/freeglut.h>
int g_LeaveGameMode = 0;
int g_InGameMode = 0;
int g_mainwin1, g_mainwin2, g_sw1, g_sw2, g_gamemodewin;
/*
* Call this function to have some text drawn at given coordinates
*/
void PrintText( int nX, int nY, char* pszText )
{
int lines;
char *p;
/*
* Prepare the OpenGL state
*/
glDisable( GL_LIGHTING );
glDisable( GL_DEPTH_TEST );
glMatrixMode( GL_PROJECTION );
glPushMatrix();
glLoadIdentity();
/*
* Have an orthogonal projection matrix set
*/
glOrtho( 0, glutGet( GLUT_WINDOW_WIDTH ),
0, glutGet( GLUT_WINDOW_HEIGHT ),
-1, +1
);
/*
* Now the matrix mode
*/
glMatrixMode( GL_MODELVIEW );
glPushMatrix();
glLoadIdentity();
/*
* Now the main text
*/
glColor3ub( 0, 0, 0 );
glRasterPos2i( nX, nY );
for( p=pszText, lines=0; *p; p++ )
{
if( *p == '\n' )
{
lines++;
glRasterPos2i( nX, nY-(lines*18) );
}
glutBitmapCharacter( GLUT_BITMAP_HELVETICA_18, *p );
}
/*
* Revert to the old matrix modes
*/
glMatrixMode( GL_PROJECTION );
glPopMatrix();
glMatrixMode( GL_MODELVIEW );
glPopMatrix();
/*
* Restore the old OpenGL states
*/
glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
glEnable( GL_DEPTH_TEST );
glEnable( GL_LIGHTING );
}
/*
* This is the display routine for our sample FreeGLUT windows
*/
void SampleDisplay( void )
{
int win = glutGetWindow();
if (g_InGameMode && win!=g_gamemodewin)
/* Don't draw other windows when in gamemode, those aren't visible
* anyway. Drawing them continuously nonetheless can cause flicker trouble
* on my machine. This only seems to occur only when there are child windows
* among the non-visible windows
*/
return;
if (win==g_sw1)
{
/*
* Clear the screen
*/
glClearColor(0.7f,0.7f,0.7f,1);
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glutPostWindowRedisplay(g_mainwin2);
}
else if (win==g_sw2)
{
/*
* Clear the screen
*/
glClearColor(0.3f,0.3f,0.3f,1);
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glutPostWindowRedisplay(g_mainwin2);
}
else
{
const GLfloat time = glutGet(GLUT_ELAPSED_TIME) / 1000.f * 40;
/*
* Clear the screen
*/
glClearColor( 0, 0.5, 1, 1 );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
/*
* Have the cube rotated
*/
glMatrixMode( GL_MODELVIEW );
glPushMatrix();
glRotatef( time, 0, 0, 1 );
glRotatef( time, 0, 1, 0 );
glRotatef( time, 1, 0, 0 );
/*
* And then drawn...
*/
glColor3f( 1, 1, 0 );
/* glutWireCube( 20.0 ); */
glutWireTeapot( 20.0 );
/* glutWireSphere( 15.0, 15, 15 ); */
/* glColor3f( 0, 1, 0 ); */
/* glutWireCube( 30.0 ); */
/* glutSolidCone( 10, 20, 10, 2 ); */
/*
* Don't forget about the model-view matrix
*/
glPopMatrix( );
/*
* Draw a silly text
*/
if( g_InGameMode == 0 )
PrintText( 20, 20, "Hello there cruel world!" );
else
PrintText( 20, 20, "Press ESC to leave the game mode!" );
}
/*
* And swap this context's buffers
*/
glutSwapBuffers( );
glutPostWindowRedisplay(win);
}
/*
* This is a sample idle function
*/
void SampleIdle( void )
{
if( g_LeaveGameMode == 1 )
{
/* One could do all this just as well in SampleGameModeKeyboard... */
printf("leaving gamemode...\n");
glutLeaveGameMode( );
g_LeaveGameMode = 0;
g_InGameMode = 0;
glutPostWindowRedisplay(g_mainwin1);
glutPostWindowRedisplay(g_mainwin2);
glutPostWindowRedisplay(g_sw1);
glutPostWindowRedisplay(g_sw2);
}
}
void SampleEntry(int state)
{
int window = glutGetWindow () ;
printf ( "Window %d Entry Callback: %d\n", window, state ) ;
}
/*
* The reshape function
*/
void SampleReshape( int nWidth, int nHeight )
{
GLfloat fAspect = (GLfloat) nHeight / (GLfloat) nWidth;
GLfloat fPos[ 4 ] = { 0.0f, 0.0f, 10.0f, 0.0f };
GLfloat fCol[ 4 ] = { 0.5f, 1.0f, 0.0f, 1.0f };
/*
* Update the viewport first
*/
glViewport( 0, 0, nWidth, nHeight );
/*
* Then the projection matrix
*/
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
glFrustum( -1.0, 1.0, -fAspect, fAspect, 1.0, 80.0 );
/*
* Move back the camera a bit
*/
glMatrixMode( GL_MODELVIEW );
glLoadIdentity( );
glTranslatef( 0.0, 0.0, -40.0f );
/*
* Enable some features...
*/
glEnable( GL_CULL_FACE );
glEnable( GL_DEPTH_TEST );
glEnable( GL_NORMALIZE );
/*
* Set up some lighting
*/
glLightfv( GL_LIGHT0, GL_POSITION, fPos );
glEnable( GL_LIGHTING );
glEnable( GL_LIGHT0 );
/*
* Set up a sample material
*/
glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, fCol );
}
/*
* A sample keyboard callback
*/
void SampleKeyboard( unsigned char cChar, int nMouseX, int nMouseY )
{
printf( "SampleKeyboard(): keypress '%c' at (%i,%i)\n",
cChar, nMouseX, nMouseY );
}
/*
* A sample keyboard callback (for game mode window)
*/
void SampleGameModeKeyboard( unsigned char cChar, int nMouseX, int nMouseY )
{
if( cChar == 27 )
g_LeaveGameMode = 1;
}
/*
* A sample special callback
*/
void SampleSpecial( int nSpecial, int nMouseX, int nMouseY )
{
printf( "SampleSpecial(): special keypress %i at (%i,%i)\n",
nSpecial, nMouseX, nMouseY );
}
/*
* A sample menu callback
*/
void SampleMenu( int menuID )
{
printf( "SampleMenu() callback executed, menuID is %i\n", menuID );
}
/*
* A sample menu status callback
*/
void SampleMenuStatus( int status, int x, int y )
{
printf ( "SampleMenu() callback executed, MenuStatus is %i at (%i,%i)\n", status, x, y );
}
/*
* The sample's entry point
*/
int main( int argc, char** argv )
{
int menuID, subMenuA, subMenuB;
glutInitDisplayString( "stencil~2 rgb double depth>=16 samples" );
glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
glutInitWindowPosition( 100, 100 );
glutInit( &argc, argv );
glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE,GLUT_ACTION_GLUTMAINLOOP_RETURNS);
subMenuA = glutCreateMenu( SampleMenu );
glutAddMenuEntry( "Sub menu A1 (01)", 1 );
glutAddMenuEntry( "Sub menu A2 (02)", 2 );
glutAddMenuEntry( "Sub menu A3 (03)", 3 );
subMenuB = glutCreateMenu( SampleMenu );
glutAddMenuEntry( "Sub menu B1 (04)", 4 );
glutAddMenuEntry( "Sub menu B2 (05)", 5 );
glutAddMenuEntry( "Sub menu B3 (06)", 6 );
glutAddSubMenu( "Going to sub menu A", subMenuA );
menuID = glutCreateMenu( SampleMenu );
glutAddMenuEntry( "Entry one", 1 );
glutAddMenuEntry( "Entry two", 2 );
glutAddMenuEntry( "Entry three", 3 );
glutAddMenuEntry( "Entry four", 4 );
glutAddMenuEntry( "Entry five", 5 );
glutAddSubMenu( "Enter sub menu A", subMenuA );
glutAddSubMenu( "Enter sub menu B", subMenuB );
g_mainwin1 = glutCreateWindow( "Hello world!" );
glutDisplayFunc( SampleDisplay );
glutReshapeFunc( SampleReshape );
glutKeyboardFunc( SampleKeyboard );
glutSpecialFunc( SampleSpecial );
glutIdleFunc( SampleIdle );
glutEntryFunc( SampleEntry );
glutMenuStatusFunc( SampleMenuStatus );
glutAttachMenu( GLUT_LEFT_BUTTON );
glutInitWindowPosition( 200, 200 );
g_mainwin2 = glutCreateWindow( "I am not Jan B." );
glutDisplayFunc( SampleDisplay );
glutReshapeFunc( SampleReshape );
glutKeyboardFunc( SampleKeyboard );
glutSpecialFunc( SampleSpecial );
glutIdleFunc( SampleIdle );
glutEntryFunc( SampleEntry );
glutMenuStatusFunc( SampleMenuStatus );
glutAttachMenu( GLUT_LEFT_BUTTON );
glutSetMenu(subMenuA);
glutAttachMenu( GLUT_RIGHT_BUTTON );
g_sw1=glutCreateSubWindow(g_mainwin2,200,0,100,100);
glutDisplayFunc( SampleDisplay );
glutSetMenu(subMenuB);
glutAttachMenu( GLUT_LEFT_BUTTON );
g_sw2=glutCreateSubWindow(g_sw1,50,0,50,50);
glutDisplayFunc( SampleDisplay );
glutSetMenu(menuID);
glutAttachMenu( GLUT_RIGHT_BUTTON );
printf( "Testing game mode string parsing, don't panic!\n" );
glutGameModeString( "320x240:32@100" );
glutGameModeString( "640x480:16@72" );
glutGameModeString( "1024x768" );
glutGameModeString( ":32@120" );
glutGameModeString( "Toudi glupcze, Danwin bedzie moj!" );
glutGameModeString( "640x480:37@300" ); /* this one should fail */
glutEnterGameMode();
glutGameModeString( "800x600" ); /* this one is likely to succeed */
g_gamemodewin = glutEnterGameMode();
if (glutGameModeGet(GLUT_GAME_MODE_ACTIVE))
g_InGameMode = 1;
glutDisplayFunc( SampleDisplay );
glutReshapeFunc( SampleReshape );
glutKeyboardFunc( SampleGameModeKeyboard );
glutIdleFunc( SampleIdle );
glutEntryFunc( SampleEntry );
glutMenuStatusFunc( SampleMenuStatus );
glutSetMenu(menuID);
glutAttachMenu( GLUT_LEFT_BUTTON );
printf( "current window is %ix%i at (%i,%i)\n",
glutGet( GLUT_WINDOW_WIDTH ), glutGet( GLUT_WINDOW_HEIGHT ),
glutGet( GLUT_WINDOW_X ), glutGet( GLUT_WINDOW_Y )
);
/*
* Enter the main FreeGLUT processing loop
*/
/*
* returned from mainloop after window closed
* see glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE,GLUT_ACTION_GLUTMAINLOOP_RETURNS); above
*/
return EXIT_SUCCESS;
}
/*** END OF FILE ***/
EOF
${CROSS_COMPILE}gcc -o demo demo.c -lglut -lGL
echo "build: OK"
[ -x demo ]
#./demo
#touch a
#xvfb-run --auth-file=a ./demo
#echo "run: OK"
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