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Expand to dump game mode attributes, clean exit and changing game mode string anytime.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37821 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Philippe Houdoin 2010-07-30 12:17:11 +00:00
parent a5d4249c2e
commit 6e55a1104a
1 changed files with 112 additions and 27 deletions
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139
src/tests/kits/opengl/glut/game_mode/game_mode.c
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@ -1,10 +1,25 @@
#include <stdio.h>
#include <string.h>
#include <GL/glut.h>
void display(void);
void idle(void);
void reshape(int w, int h);
void keyboard(unsigned char key, int x, int y);
void draw_cube(void);
void game_mode(char *mode);
void dump_game_mode(void);
void init(void);
void clean_exit(void);
float spin = 0;
static void
void
draw_cube(void)
{
glLoadIdentity();
@ -52,7 +67,7 @@ draw_cube(void)
}
static void
void
display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@ -63,10 +78,10 @@ display(void)
}
static void
void
idle(void)
{
spin += 2.0;
spin += 1.0;
if (spin > 360.0)
spin = 0.0;
@ -74,7 +89,7 @@ idle(void)
}
static void
void
reshape(int w, int h)
{
glViewport (0, 0, (GLsizei) w, (GLsizei) h);
@ -97,52 +112,122 @@ reshape(int w, int h)
}
static void
void
keyboard(unsigned char key, int x, int y)
{
switch(key) {
case 27:
exit(0);
break;
case 'g':
case 'G':
dump_game_mode();
break;
case 'e':
case 'E': {
char mode[255];
printf("Game mode string? ");
gets(mode);
if (!strlen(mode))
break;
game_mode(mode);
if (glutGameModeGet(GLUT_GAME_MODE_DISPLAY_CHANGED))
init();
break;
}
}
}
void
init(void)
{
glutIdleFunc(idle);
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutKeyboardFunc(keyboard);
glClearColor(0, 0, 0, 0);
glEnable(GL_DEPTH_TEST);
}
void
clean_exit(void)
{
printf("Exit.\n");
if (glutGameModeGet(GLUT_GAME_MODE_ACTIVE)) {
printf("glutLeaveGameMode()\n");
glutLeaveGameMode();
}
}
void
game_mode(char *mode)
{
printf("glutGameModeString(\"%s\"): ", mode);
glutGameModeString(mode);
if (!glutGameModeGet(GLUT_GAME_MODE_POSSIBLE)) {
printf("*not* possible!\n");
return;
}
printf("possible.\nglutEnterGameMode()\n");
glutEnterGameMode();
printf("glutGameModeGet(GLUT_GAME_MODE_DISPLAY_CHANGED) = %d\n",
glutGameModeGet(GLUT_GAME_MODE_DISPLAY_CHANGED));
}
void
dump_game_mode()
{
printf("glutGameModeGet():\n");
# define DUMP(pname) \
printf("\t" #pname " = %d\n", glutGameModeGet(pname));
DUMP(GLUT_GAME_MODE_ACTIVE);
DUMP(GLUT_GAME_MODE_POSSIBLE);
DUMP(GLUT_GAME_MODE_WIDTH);
DUMP(GLUT_GAME_MODE_HEIGHT);
DUMP(GLUT_GAME_MODE_PIXEL_DEPTH);
DUMP(GLUT_GAME_MODE_REFRESH_RATE);
DUMP(GLUT_GAME_MODE_DISPLAY_CHANGED);
# undef DUMP
printf("\n");
}
int
main(int argc, char **argv)
{
glutInit(&argc, argv);
if (argc > 1) {
printf("glutGameModeString(\"%s\"): ", argv[1]);
glutGameModeString(argv[1]);
if (!glutGameModeGet(GLUT_GAME_MODE_POSSIBLE))
printf("*not* possible: fallback to windowed mode.\n");
else {
printf("possible!\nglutEnterGameMode()\n");
glutEnterGameMode();
printf("glutGameModeGet(GLUT_GAME_MODE_DISPLAY_CHANGED) = %d\n",
glutGameModeGet(GLUT_GAME_MODE_DISPLAY_CHANGED));
}
}
if (argc > 1)
game_mode(argv[1]);
if (!glutGameModeGet(GLUT_GAME_MODE_ACTIVE)) {
printf("Using windowed mode.\n");
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glutCreateWindow(argv[0]);
}
init();
atexit(clean_exit);
glutMainLoop();
if (glutGameModeGet(GLUT_GAME_MODE_ACTIVE)) {
printf("glutLeaveGameMode()\n");
glutLeaveGameMode();
}
return 0;
}