mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2025-12-31 09:50:08 +01:00
changed coding style. added possibility to use default timer instead of PC/HW timer.
This commit is contained in:
Daniel Borca
parent
aa7a27b38e
commit
0c68589673
1 changed files with 147 additions and 131 deletions
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@ -19,9 +19,9 @@
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*/
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/*
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* DOS/DJGPP glut driver v1.4 for Mesa
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* DOS/DJGPP glut driver v1.5 for Mesa
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*
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* Copyright (C) 2002 - Borca Daniel
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* Copyright (C) 2002 - Daniel Borca
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* Email : dborca@yahoo.com
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* Web : http://www.geocities.com/dborca
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*/
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@ -32,119 +32,135 @@
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#include "glutint.h"
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#define FREQUENCY 100
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#define FREQUENCY 100 /* set this to zero to use the default timer */
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static int timer_installed;
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#if FREQUENCY
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static volatile int ticks;
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static void ticks_timer (void *p)
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static void
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ticks_timer (void *p)
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{
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(void)p;
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ticks++;
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(void)p;
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ticks++;
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} ENDOFUNC(ticks_timer)
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#else
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#include <time.h>
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static struct timeval then;
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#endif
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int APIENTRY glutGet (GLenum type)
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int APIENTRY
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glutGet (GLenum type)
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{
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switch (type) {
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case GLUT_WINDOW_X:
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return g_curwin->xpos;
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case GLUT_WINDOW_Y:
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return g_curwin->ypos;
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case GLUT_WINDOW_WIDTH:
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return g_curwin->width;
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case GLUT_WINDOW_HEIGHT:
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return g_curwin->height;
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case GLUT_WINDOW_STENCIL_SIZE:
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return g_stencil;
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case GLUT_WINDOW_DEPTH_SIZE:
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return g_depth;
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case GLUT_WINDOW_RGBA:
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return !(g_display_mode & GLUT_INDEX);
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case GLUT_WINDOW_COLORMAP_SIZE:
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return (g_display_mode & GLUT_INDEX) ? (256 - RESERVED_COLORS) : 0;
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case GLUT_SCREEN_WIDTH:
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return g_screen_w;
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case GLUT_SCREEN_HEIGHT:
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return g_screen_h;
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case GLUT_INIT_WINDOW_X:
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return g_init_x;
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case GLUT_INIT_WINDOW_Y:
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return g_init_y;
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case GLUT_INIT_WINDOW_WIDTH:
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return g_init_w;
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case GLUT_INIT_WINDOW_HEIGHT:
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return g_init_h;
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case GLUT_INIT_DISPLAY_MODE:
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return g_display_mode;
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case GLUT_ELAPSED_TIME:
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if (!timer_installed) {
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timer_installed = GL_TRUE;
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LOCKDATA(ticks);
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LOCKFUNC(ticks_timer);
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pc_install_int(ticks_timer, NULL, FREQUENCY);
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}
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return ticks*1000/FREQUENCY;
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default:
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return -1;
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}
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switch (type) {
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case GLUT_WINDOW_X:
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return g_curwin->xpos;
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case GLUT_WINDOW_Y:
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return g_curwin->ypos;
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case GLUT_WINDOW_WIDTH:
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return g_curwin->width;
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case GLUT_WINDOW_HEIGHT:
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return g_curwin->height;
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case GLUT_WINDOW_STENCIL_SIZE:
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return g_stencil;
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case GLUT_WINDOW_DEPTH_SIZE:
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return g_depth;
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case GLUT_WINDOW_RGBA:
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return !(g_display_mode & GLUT_INDEX);
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case GLUT_WINDOW_COLORMAP_SIZE:
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return (g_display_mode & GLUT_INDEX) ? (256 - RESERVED_COLORS) : 0;
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case GLUT_SCREEN_WIDTH:
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return g_screen_w;
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case GLUT_SCREEN_HEIGHT:
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return g_screen_h;
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case GLUT_INIT_WINDOW_X:
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return g_init_x;
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case GLUT_INIT_WINDOW_Y:
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return g_init_y;
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case GLUT_INIT_WINDOW_WIDTH:
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return g_init_w;
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case GLUT_INIT_WINDOW_HEIGHT:
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return g_init_h;
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case GLUT_INIT_DISPLAY_MODE:
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return g_display_mode;
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case GLUT_ELAPSED_TIME:
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#if FREQUENCY
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if (!timer_installed) {
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timer_installed = GL_TRUE;
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LOCKDATA(ticks);
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LOCKFUNC(ticks_timer);
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pc_install_int(ticks_timer, NULL, FREQUENCY);
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}
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return ticks * 1000 / FREQUENCY;
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#else
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if (!timer_installed) {
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timer_installed = GL_TRUE;
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gettimeofday(&then, NULL);
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return 0;
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} else {
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struct timeval now;
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gettimeofday(&now, NULL);
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return (now.tv_usec - then.tv_usec) / 1000 +
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(now.tv_sec - then.tv_sec) * 1000;
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}
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#endif
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default:
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return -1;
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}
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}
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int APIENTRY glutDeviceGet (GLenum type)
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int APIENTRY
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glutDeviceGet (GLenum type)
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{
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switch (type) {
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case GLUT_HAS_KEYBOARD:
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return GL_TRUE;
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case GLUT_HAS_MOUSE:
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return (g_mouse != 0);
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case GLUT_NUM_MOUSE_BUTTONS:
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return g_mouse;
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case GLUT_HAS_SPACEBALL:
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case GLUT_HAS_DIAL_AND_BUTTON_BOX:
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case GLUT_HAS_TABLET:
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return GL_FALSE;
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case GLUT_NUM_SPACEBALL_BUTTONS:
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case GLUT_NUM_BUTTON_BOX_BUTTONS:
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case GLUT_NUM_DIALS:
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case GLUT_NUM_TABLET_BUTTONS:
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return 0;
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default:
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return -1;
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}
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switch (type) {
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case GLUT_HAS_KEYBOARD:
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return GL_TRUE;
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case GLUT_HAS_MOUSE:
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return (g_mouse != 0);
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case GLUT_NUM_MOUSE_BUTTONS:
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return g_mouse;
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case GLUT_HAS_SPACEBALL:
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case GLUT_HAS_DIAL_AND_BUTTON_BOX:
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case GLUT_HAS_TABLET:
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return GL_FALSE;
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case GLUT_NUM_SPACEBALL_BUTTONS:
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case GLUT_NUM_BUTTON_BOX_BUTTONS:
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case GLUT_NUM_DIALS:
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case GLUT_NUM_TABLET_BUTTONS:
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return 0;
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default:
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return -1;
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}
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}
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int APIENTRY glutGetModifiers (void)
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int APIENTRY
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glutGetModifiers (void)
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{
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int mod = 0;
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int shifts = pc_keyshifts();
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int mod = 0;
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int shifts = pc_keyshifts();
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if (shifts & (KB_SHIFT_FLAG | KB_CAPSLOCK_FLAG)) {
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mod |= GLUT_ACTIVE_SHIFT;
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}
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if (shifts & (KB_SHIFT_FLAG | KB_CAPSLOCK_FLAG)) {
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mod |= GLUT_ACTIVE_SHIFT;
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}
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if (shifts & KB_ALT_FLAG) {
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mod |= GLUT_ACTIVE_ALT;
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}
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if (shifts & KB_ALT_FLAG) {
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mod |= GLUT_ACTIVE_ALT;
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}
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if (shifts & KB_CTRL_FLAG) {
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mod |= GLUT_ACTIVE_CTRL;
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}
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if (shifts & KB_CTRL_FLAG) {
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mod |= GLUT_ACTIVE_CTRL;
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}
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return mod;
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return mod;
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}
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/* GAME MODE
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* Hack alert: incomplete... what is GameMode, anyway?
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*/
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@ -157,63 +173,63 @@ static GLuint game_bpp;
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static GLuint game_refresh;
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void APIENTRY glutGameModeString (const char *string)
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void APIENTRY
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glutGameModeString (const char *string)
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{
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if (sscanf(string, "%ux%u:%u@%u", &game_width, &game_height, &game_bpp, &game_refresh) == 4) {
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game_possible = GL_TRUE;
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}
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if (sscanf(string, "%ux%u:%u@%u", &game_width, &game_height, &game_bpp, &game_refresh) == 4) {
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game_possible = GL_TRUE;
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}
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}
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int APIENTRY glutGameModeGet (GLenum mode)
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int APIENTRY
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glutGameModeGet (GLenum mode)
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{
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switch (mode) {
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case GLUT_GAME_MODE_ACTIVE:
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return game_active;
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case GLUT_GAME_MODE_POSSIBLE:
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return game_possible && !g_curwin;
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case GLUT_GAME_MODE_WIDTH:
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return game_active ? (int)game_width : -1;
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case GLUT_GAME_MODE_HEIGHT:
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return game_active ? (int)game_height : -1;
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case GLUT_GAME_MODE_PIXEL_DEPTH:
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return game_active ? (int)game_bpp : -1;
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case GLUT_GAME_MODE_REFRESH_RATE:
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return game_active ? (int)game_refresh : -1;
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default:
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return -1;
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}
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switch (mode) {
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case GLUT_GAME_MODE_ACTIVE:
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return game_active;
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case GLUT_GAME_MODE_POSSIBLE:
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return game_possible && !g_curwin;
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case GLUT_GAME_MODE_WIDTH:
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return game_active ? (int)game_width : -1;
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case GLUT_GAME_MODE_HEIGHT:
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return game_active ? (int)game_height : -1;
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case GLUT_GAME_MODE_PIXEL_DEPTH:
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return game_active ? (int)game_bpp : -1;
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case GLUT_GAME_MODE_REFRESH_RATE:
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return game_active ? (int)game_refresh : -1;
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default:
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return -1;
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}
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}
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int APIENTRY glutEnterGameMode (void)
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int APIENTRY
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glutEnterGameMode (void)
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{
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if (glutGameModeGet(GLUT_GAME_MODE_POSSIBLE)) {
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g_bpp = game_bpp;
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g_refresh = game_refresh;
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if (glutGameModeGet(GLUT_GAME_MODE_POSSIBLE)) {
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g_bpp = game_bpp;
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g_refresh = game_refresh;
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glutInitWindowSize(game_width, game_height);
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glutInitWindowSize(game_width, game_height);
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if ((g_game = glutCreateWindow("<game>")) > 0) {
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game_active = GL_TRUE;
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}
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if ((g_game = glutCreateWindow("<game>")) > 0) {
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game_active = GL_TRUE;
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}
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return g_game;
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} else {
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return 0;
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}
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return g_game;
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} else {
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return 0;
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}
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}
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void GLUTAPIENTRY glutLeaveGameMode (void)
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void GLUTAPIENTRY
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glutLeaveGameMode (void)
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{
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if (glutGameModeGet(GLUT_GAME_MODE_ACTIVE)) {
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game_active = GL_FALSE;
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if (glutGameModeGet(GLUT_GAME_MODE_ACTIVE)) {
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game_active = GL_FALSE;
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glutDestroyWindow(g_game);
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}
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glutDestroyWindow(g_game);
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}
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}
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