diff options
Diffstat (limited to 'src/glut/directfb/game.c')
| -rw-r--r-- | src/glut/directfb/game.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/glut/directfb/game.c b/src/glut/directfb/game.c new file mode 100644 index 00000000000..4c027a68f65 --- /dev/null +++ b/src/glut/directfb/game.c @@ -0,0 +1,153 @@ +/* + * Copyright (C) 2006 Claudio Ciccani <[email protected]> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "internal.h" + + +/*****************************************************************************/ + +static int g_display_changed = 0; + +/*****************************************************************************/ + + +void GLUTAPIENTRY +glutGameModeString( const char *string ) +{ + int x, y, bpp; + char *tmp; + + if (!string) + return; + + tmp = strchr( string, 'x' ); + if (tmp) { + x = strtol( string, NULL, 10 ); + y = strtol( tmp+1, NULL, 10 ); + + if (x > 0 && y > 0) { + g_width = x; + g_height = y; + } + } + + tmp = strchr( string, ':' ); + if (tmp) { + bpp = strtol( tmp+1, NULL, 10 ); + + if (bpp > 0) + g_bpp = bpp; + } +} + + +int GLUTAPIENTRY +glutEnterGameMode( void ) +{ + DFBDisplayLayerConfig prev, cur; + + glutInit( NULL, NULL ); + + primary->GetConfiguration( primary, &prev ); + primary->SetCooperativeLevel( primary, DLSCL_EXCLUSIVE ); + + if (g_game) + __glutDestroyWindow( g_game ); + + g_game = __glutCreateWindow( GL_TRUE ); + if (!g_game) + return 0; + + __glutSetWindow( g_game ); + g_game->cursor = GLUT_CURSOR_NONE; + + primary->GetConfiguration( primary, &cur ); + g_display_changed = (cur.width != prev.width || + cur.height != prev.height || + cur.pixelformat != prev.pixelformat); + + return g_game->id; +} + + +void GLUTAPIENTRY +glutLeaveGameMode( void ) +{ + if (g_game) + __glutDestroyWindow( g_game ); + + primary->SetCooperativeLevel( primary, DLSCL_ADMINISTRATIVE ); +} + + +int GLUTAPIENTRY +glutGameModeGet( GLenum type ) +{ + switch (type) { + case GLUT_GAME_MODE_ACTIVE: + return (g_game != NULL); + case GLUT_GAME_MODE_POSSIBLE: + if (primary) { + DFBDisplayLayerConfig c; + c.flags = DLCONF_WIDTH | DLCONF_HEIGHT; + c.width = g_width; + c.height = g_height; + /* XXX: bpp */ + if (primary->TestConfiguration( primary, &c, 0 ) == DFB_OK) + return 1; + } + break; + case GLUT_GAME_MODE_WIDTH: + if (g_game) { + int w; + g_game->surface->GetSize( g_game->surface, &w, 0 ); + return w; + } + break; + case GLUT_GAME_MODE_HEIGHT: + if (g_game) { + int h; + g_game->surface->GetSize( g_game->surface, 0, &h ); + return h; + } + break; + case GLUT_GAME_MODE_PIXEL_DEPTH: + if (g_game) { + DFBSurfacePixelFormat f; + g_game->surface->GetPixelFormat( g_game->surface, &f ); + return DFB_COLOR_BITS_PER_PIXEL( f ); + } + break; + case GLUT_GAME_MODE_REFRESH_RATE: + return 60; /* assume 60hz */ + case GLUT_GAME_MODE_DISPLAY_CHANGED: + return g_display_changed; + default: + break; + } + + return 0; +} + + + |