diff options
| -rw-r--r-- | src/glut/dos/state.c | 276 |
1 files changed, 146 insertions, 130 deletions
diff --git a/src/glut/dos/state.c b/src/glut/dos/state.c index b245569610..4f74f24304 100644 --- a/src/glut/dos/state.c +++ b/src/glut/dos/state.c @@ -19,9 +19,9 @@ */ /* - * DOS/DJGPP glut driver v1.4 for Mesa + * DOS/DJGPP glut driver v1.5 for Mesa * - * Copyright (C) 2002 - Borca Daniel + * Copyright (C) 2002 - Daniel Borca * Email : dborca@yahoo.com * Web : http://www.geocities.com/dborca */ @@ -32,119 +32,135 @@ #include "glutint.h" - -#define FREQUENCY 100 - +#define FREQUENCY 100 /* set this to zero to use the default timer */ static int timer_installed; +#if FREQUENCY static volatile int ticks; - -static void ticks_timer (void *p) +static void +ticks_timer (void *p) { - (void)p; - ticks++; + (void)p; + ticks++; } ENDOFUNC(ticks_timer) +#else +#include <time.h> +static struct timeval then; +#endif -int APIENTRY glutGet (GLenum type) +int APIENTRY +glutGet (GLenum type) { - switch (type) { - case GLUT_WINDOW_X: - return g_curwin->xpos; - case GLUT_WINDOW_Y: - return g_curwin->ypos; - case GLUT_WINDOW_WIDTH: - return g_curwin->width; - case GLUT_WINDOW_HEIGHT: - return g_curwin->height; - case GLUT_WINDOW_STENCIL_SIZE: - return g_stencil; - case GLUT_WINDOW_DEPTH_SIZE: - return g_depth; - case GLUT_WINDOW_RGBA: - return !(g_display_mode & GLUT_INDEX); - case GLUT_WINDOW_COLORMAP_SIZE: - return (g_display_mode & GLUT_INDEX) ? (256 - RESERVED_COLORS) : 0; - case GLUT_SCREEN_WIDTH: - return g_screen_w; - case GLUT_SCREEN_HEIGHT: - return g_screen_h; - case GLUT_INIT_WINDOW_X: - return g_init_x; - case GLUT_INIT_WINDOW_Y: - return g_init_y; - case GLUT_INIT_WINDOW_WIDTH: - return g_init_w; - case GLUT_INIT_WINDOW_HEIGHT: - return g_init_h; - case GLUT_INIT_DISPLAY_MODE: - return g_display_mode; - case GLUT_ELAPSED_TIME: - if (!timer_installed) { - timer_installed = GL_TRUE; - LOCKDATA(ticks); - LOCKFUNC(ticks_timer); - pc_install_int(ticks_timer, NULL, FREQUENCY); - } - return ticks*1000/FREQUENCY; - default: - return -1; - } + switch (type) { + case GLUT_WINDOW_X: + return g_curwin->xpos; + case GLUT_WINDOW_Y: + return g_curwin->ypos; + case GLUT_WINDOW_WIDTH: + return g_curwin->width; + case GLUT_WINDOW_HEIGHT: + return g_curwin->height; + case GLUT_WINDOW_STENCIL_SIZE: + return g_stencil; + case GLUT_WINDOW_DEPTH_SIZE: + return g_depth; + case GLUT_WINDOW_RGBA: + return !(g_display_mode & GLUT_INDEX); + case GLUT_WINDOW_COLORMAP_SIZE: + return (g_display_mode & GLUT_INDEX) ? (256 - RESERVED_COLORS) : 0; + case GLUT_SCREEN_WIDTH: + return g_screen_w; + case GLUT_SCREEN_HEIGHT: + return g_screen_h; + case GLUT_INIT_WINDOW_X: + return g_init_x; + case GLUT_INIT_WINDOW_Y: + return g_init_y; + case GLUT_INIT_WINDOW_WIDTH: + return g_init_w; + case GLUT_INIT_WINDOW_HEIGHT: + return g_init_h; + case GLUT_INIT_DISPLAY_MODE: + return g_display_mode; + case GLUT_ELAPSED_TIME: +#if FREQUENCY + if (!timer_installed) { + timer_installed = GL_TRUE; + LOCKDATA(ticks); + LOCKFUNC(ticks_timer); + pc_install_int(ticks_timer, NULL, FREQUENCY); + } + return ticks * 1000 / FREQUENCY; +#else + if (!timer_installed) { + timer_installed = GL_TRUE; + gettimeofday(&then, NULL); + return 0; + } else { + struct timeval now; + gettimeofday(&now, NULL); + return (now.tv_usec - then.tv_usec) / 1000 + + (now.tv_sec - then.tv_sec) * 1000; + } +#endif + default: + return -1; + } } - -int APIENTRY glutDeviceGet (GLenum type) +int APIENTRY +glutDeviceGet (GLenum type) { - switch (type) { - case GLUT_HAS_KEYBOARD: - return GL_TRUE; - case GLUT_HAS_MOUSE: - return (g_mouse != 0); - case GLUT_NUM_MOUSE_BUTTONS: - return g_mouse; - case GLUT_HAS_SPACEBALL: - case GLUT_HAS_DIAL_AND_BUTTON_BOX: - case GLUT_HAS_TABLET: - return GL_FALSE; - case GLUT_NUM_SPACEBALL_BUTTONS: - case GLUT_NUM_BUTTON_BOX_BUTTONS: - case GLUT_NUM_DIALS: - case GLUT_NUM_TABLET_BUTTONS: - return 0; - default: - return -1; - } + switch (type) { + case GLUT_HAS_KEYBOARD: + return GL_TRUE; + case GLUT_HAS_MOUSE: + return (g_mouse != 0); + case GLUT_NUM_MOUSE_BUTTONS: + return g_mouse; + case GLUT_HAS_SPACEBALL: + case GLUT_HAS_DIAL_AND_BUTTON_BOX: + case GLUT_HAS_TABLET: + return GL_FALSE; + case GLUT_NUM_SPACEBALL_BUTTONS: + case GLUT_NUM_BUTTON_BOX_BUTTONS: + case GLUT_NUM_DIALS: + case GLUT_NUM_TABLET_BUTTONS: + return 0; + default: + return -1; + } } - -int APIENTRY glutGetModifiers (void) +int APIENTRY +glutGetModifiers (void) { - int mod = 0; - int shifts = pc_keyshifts(); + int mod = 0; + int shifts = pc_keyshifts(); - if (shifts & (KB_SHIFT_FLAG | KB_CAPSLOCK_FLAG)) { - mod |= GLUT_ACTIVE_SHIFT; - } + if (shifts & (KB_SHIFT_FLAG | KB_CAPSLOCK_FLAG)) { + mod |= GLUT_ACTIVE_SHIFT; + } - if (shifts & KB_ALT_FLAG) { - mod |= GLUT_ACTIVE_ALT; - } + if (shifts & KB_ALT_FLAG) { + mod |= GLUT_ACTIVE_ALT; + } - if (shifts & KB_CTRL_FLAG) { - mod |= GLUT_ACTIVE_CTRL; - } + if (shifts & KB_CTRL_FLAG) { + mod |= GLUT_ACTIVE_CTRL; + } - return mod; + return mod; } - /* GAME MODE * Hack alert: incomplete... what is GameMode, anyway? */ @@ -157,63 +173,63 @@ static GLuint game_bpp; static GLuint game_refresh; - -void APIENTRY glutGameModeString (const char *string) +void APIENTRY +glutGameModeString (const char *string) { - if (sscanf(string, "%ux%u:%u@%u", &game_width, &game_height, &game_bpp, &game_refresh) == 4) { - game_possible = GL_TRUE; - } + if (sscanf(string, "%ux%u:%u@%u", &game_width, &game_height, &game_bpp, &game_refresh) == 4) { + game_possible = GL_TRUE; + } } - -int APIENTRY glutGameModeGet (GLenum mode) +int APIENTRY +glutGameModeGet (GLenum mode) { - switch (mode) { - case GLUT_GAME_MODE_ACTIVE: - return game_active; - case GLUT_GAME_MODE_POSSIBLE: - return game_possible && !g_curwin; - case GLUT_GAME_MODE_WIDTH: - return game_active ? (int)game_width : -1; - case GLUT_GAME_MODE_HEIGHT: - return game_active ? (int)game_height : -1; - case GLUT_GAME_MODE_PIXEL_DEPTH: - return game_active ? (int)game_bpp : -1; - case GLUT_GAME_MODE_REFRESH_RATE: - return game_active ? (int)game_refresh : -1; - default: - return -1; - } + switch (mode) { + case GLUT_GAME_MODE_ACTIVE: + return game_active; + case GLUT_GAME_MODE_POSSIBLE: + return game_possible && !g_curwin; + case GLUT_GAME_MODE_WIDTH: + return game_active ? (int)game_width : -1; + case GLUT_GAME_MODE_HEIGHT: + return game_active ? (int)game_height : -1; + case GLUT_GAME_MODE_PIXEL_DEPTH: + return game_active ? (int)game_bpp : -1; + case GLUT_GAME_MODE_REFRESH_RATE: + return game_active ? (int)game_refresh : -1; + default: + return -1; + } } - -int APIENTRY glutEnterGameMode (void) +int APIENTRY +glutEnterGameMode (void) { - if (glutGameModeGet(GLUT_GAME_MODE_POSSIBLE)) { - g_bpp = game_bpp; - g_refresh = game_refresh; + if (glutGameModeGet(GLUT_GAME_MODE_POSSIBLE)) { + g_bpp = game_bpp; + g_refresh = game_refresh; - glutInitWindowSize(game_width, game_height); + glutInitWindowSize(game_width, game_height); - if ((g_game = glutCreateWindow("<game>")) > 0) { - game_active = GL_TRUE; - } + if ((g_game = glutCreateWindow("<game>")) > 0) { + game_active = GL_TRUE; + } - return g_game; - } else { - return 0; - } + return g_game; + } else { + return 0; + } } - -void GLUTAPIENTRY glutLeaveGameMode (void) +void GLUTAPIENTRY +glutLeaveGameMode (void) { - if (glutGameModeGet(GLUT_GAME_MODE_ACTIVE)) { - game_active = GL_FALSE; + if (glutGameModeGet(GLUT_GAME_MODE_ACTIVE)) { + game_active = GL_FALSE; - glutDestroyWindow(g_game); - } + glutDestroyWindow(g_game); + } } |