diff options
Diffstat (limited to 'src/glut/dos/window.c')
| -rw-r--r-- | src/glut/dos/window.c | 335 |
1 files changed, 167 insertions, 168 deletions
diff --git a/src/glut/dos/window.c b/src/glut/dos/window.c index ed95451e8d1..1139f48a668 100644 --- a/src/glut/dos/window.c +++ b/src/glut/dos/window.c @@ -21,7 +21,7 @@ /* * DOS/DJGPP glut driver v1.4 for Mesa * - * Copyright (C) 2002 - Borca Daniel + * Copyright (C) 2002 - Daniel Borca * Email : [email protected] * Web : http://www.geocities.com/dborca */ @@ -33,7 +33,6 @@ #include "GL/dmesa.h" - GLUTwindow *g_curwin; static GLuint swaptime, swapcount; @@ -41,241 +40,241 @@ static DMesaVisual visual = NULL; GLUTwindow *g_windows[MAX_WINDOWS]; - -static void clean (void) +static void +clean (void) { - int i; + int i; - for (i=1; i<=MAX_WINDOWS; i++) { - glutDestroyWindow(i); - } - if (visual) DMesaDestroyVisual(visual); + for (i=1; i<=MAX_WINDOWS; i++) { + glutDestroyWindow(i); + } + if (visual) DMesaDestroyVisual(visual); - pc_close_stdout(); - pc_close_stderr(); + pc_close_stdout(); + pc_close_stderr(); } - -int APIENTRY glutCreateWindow (const char *title) +int APIENTRY +glutCreateWindow (const char *title) { - int i; - int m8width = (g_init_w + 7) & ~7; - - /* We set the Visual once. This will be our desktop (graphic mode). - * We should do this in the `glutInit' code, but we don't have any idea - * about its geometry. Supposedly, when we are about to create one - * window, we have a slight idea about resolution. - */ - if (!visual) { - if ((visual=DMesaCreateVisual(g_init_x + m8width, g_init_y + g_init_h, g_bpp, g_refresh, - g_display_mode & GLUT_DOUBLE, - !(g_display_mode & GLUT_INDEX), - (g_display_mode & GLUT_ALPHA ) ? g_alpha : 0, - (g_display_mode & GLUT_DEPTH ) ? g_depth : 0, - (g_display_mode & GLUT_STENCIL) ? g_stencil : 0, - (g_display_mode & GLUT_ACCUM ) ? g_accum : 0))==NULL) { - return 0; - } - - /* Also hook stdio/stderr once */ - pc_open_stdout(); - pc_open_stderr(); - pc_atexit(clean); - } - - /* Search for an empty slot. - * Each window has its own rendering Context and its own Buffer. - */ - for (i=0; i<MAX_WINDOWS; i++) { - if (g_windows[i] == NULL) { - DMesaContext c; - DMesaBuffer b; - GLUTwindow *w; - - if ((w = (GLUTwindow *)calloc(1, sizeof(GLUTwindow))) == NULL) { - return 0; - } - - /* Allocate the rendering Context. */ - if ((c = DMesaCreateContext(visual, NULL)) == NULL) { - free(w); - return 0; - } - - /* Allocate the Buffer (displayable area). - * We have to specify buffer size and position (inside the desktop). - */ - if ((b = DMesaCreateBuffer(visual, g_init_x, g_init_y, m8width, g_init_h)) == NULL) { - DMesaDestroyContext(c); - free(w); - return 0; - } - - /* Bind Buffer to Context and make the Context the current one. */ - if (!DMesaMakeCurrent(c, b)) { - DMesaDestroyBuffer(b); - DMesaDestroyContext(c); - free(w); - return 0; - } - - g_curwin = g_windows[i] = w; - - w->num = ++i; - w->xpos = g_init_x; - w->ypos = g_init_y; - w->width = m8width; - w->height = g_init_h; - w->context = c; - w->buffer = b; - - return i; - } - } - - return 0; + int i; + int m8width = (g_init_w + 7) & ~7; + + /* We set the Visual once. This will be our desktop (graphic mode). + * We should do this in the `glutInit' code, but we don't have any idea + * about its geometry. Supposedly, when we are about to create one + * window, we have a slight idea about resolution. + */ + if (!visual) { + if ((visual=DMesaCreateVisual(g_init_x + m8width, g_init_y + g_init_h, g_bpp, g_refresh, + g_display_mode & GLUT_DOUBLE, + !(g_display_mode & GLUT_INDEX), + (g_display_mode & GLUT_ALPHA ) ? g_alpha : 0, + (g_display_mode & GLUT_DEPTH ) ? g_depth : 0, + (g_display_mode & GLUT_STENCIL) ? g_stencil : 0, + (g_display_mode & GLUT_ACCUM ) ? g_accum : 0))==NULL) { + return 0; + } + + /* Also hook stdio/stderr once */ + pc_open_stdout(); + pc_open_stderr(); + pc_atexit(clean); + } + + /* Search for an empty slot. + * Each window has its own rendering Context and its own Buffer. + */ + for (i=0; i<MAX_WINDOWS; i++) { + if (g_windows[i] == NULL) { + DMesaContext c; + DMesaBuffer b; + GLUTwindow *w; + + if ((w = (GLUTwindow *)calloc(1, sizeof(GLUTwindow))) == NULL) { + return 0; + } + + /* Allocate the rendering Context. */ + if ((c = DMesaCreateContext(visual, NULL)) == NULL) { + free(w); + return 0; + } + + /* Allocate the Buffer (displayable area). + * We have to specify buffer size and position (inside the desktop). + */ + if ((b = DMesaCreateBuffer(visual, g_init_x, g_init_y, m8width, g_init_h)) == NULL) { + DMesaDestroyContext(c); + free(w); + return 0; + } + + /* Bind Buffer to Context and make the Context the current one. */ + if (!DMesaMakeCurrent(c, b)) { + DMesaDestroyBuffer(b); + DMesaDestroyContext(c); + free(w); + return 0; + } + + g_curwin = g_windows[i] = w; + + w->num = ++i; + w->xpos = g_init_x; + w->ypos = g_init_y; + w->width = m8width; + w->height = g_init_h; + w->context = c; + w->buffer = b; + + return i; + } + } + + return 0; } - -int APIENTRY glutCreateSubWindow (int win, int x, int y, int width, int height) +int APIENTRY +glutCreateSubWindow (int win, int x, int y, int width, int height) { - return GL_FALSE; + return GL_FALSE; } - -void APIENTRY glutDestroyWindow (int win) +void APIENTRY +glutDestroyWindow (int win) { - if (g_windows[--win]) { - GLUTwindow *w = g_windows[win]; - DMesaMakeCurrent(NULL, NULL); - DMesaDestroyBuffer(w->buffer); - DMesaDestroyContext(w->context); - free(w); - g_windows[win] = NULL; - } + if (g_windows[--win]) { + GLUTwindow *w = g_windows[win]; + DMesaMakeCurrent(NULL, NULL); + DMesaDestroyBuffer(w->buffer); + DMesaDestroyContext(w->context); + free(w); + g_windows[win] = NULL; + } } - -void APIENTRY glutPostRedisplay (void) +void APIENTRY +glutPostRedisplay (void) { - g_curwin->redisplay = GL_TRUE; + g_curwin->redisplay = GL_TRUE; } - -void APIENTRY glutSwapBuffers (void) +void APIENTRY +glutSwapBuffers (void) { - if (g_curwin->show_mouse) { - /* XXX scare mouse */ - DMesaSwapBuffers(g_curwin->buffer); - /* XXX unscare mouse */ - } else { - DMesaSwapBuffers(g_curwin->buffer); - } - - if (g_fps) { - GLint t = glutGet(GLUT_ELAPSED_TIME); - swapcount++; - if (swaptime == 0) - swaptime = t; - else if (t - swaptime > g_fps) { - double time = 0.001 * (t - swaptime); - double fps = (double)swapcount / time; - fprintf(stderr, "GLUT: %d frames in %.2f seconds = %.2f FPS\n", swapcount, time, fps); - swaptime = t; - swapcount = 0; - } - } + if (g_curwin->show_mouse) { + /* XXX scare mouse */ + DMesaSwapBuffers(g_curwin->buffer); + /* XXX unscare mouse */ + } else { + DMesaSwapBuffers(g_curwin->buffer); + } + + if (g_fps) { + GLint t = glutGet(GLUT_ELAPSED_TIME); + swapcount++; + if (swaptime == 0) + swaptime = t; + else if (t - swaptime > g_fps) { + double time = 0.001 * (t - swaptime); + double fps = (double)swapcount / time; + fprintf(stderr, "GLUT: %d frames in %.2f seconds = %.2f FPS\n", swapcount, time, fps); + swaptime = t; + swapcount = 0; + } + } } - -int APIENTRY glutGetWindow (void) +int APIENTRY +glutGetWindow (void) { - return g_curwin->num; + return g_curwin->num; } - -void APIENTRY glutSetWindow (int win) +void APIENTRY +glutSetWindow (int win) { - g_curwin = g_windows[win - 1]; - DMesaMakeCurrent(g_curwin->context, g_curwin->buffer); + g_curwin = g_windows[win - 1]; + DMesaMakeCurrent(g_curwin->context, g_curwin->buffer); } - -void APIENTRY glutSetWindowTitle (const char *title) +void APIENTRY +glutSetWindowTitle (const char *title) { } - -void APIENTRY glutSetIconTitle (const char *title) +void APIENTRY +glutSetIconTitle (const char *title) { } - -void APIENTRY glutPositionWindow (int x, int y) +void APIENTRY +glutPositionWindow (int x, int y) { - if (DMesaMoveBuffer(x, y)) { - g_curwin->xpos = x; - g_curwin->ypos = y; - } + if (DMesaMoveBuffer(x, y)) { + g_curwin->xpos = x; + g_curwin->ypos = y; + } } - -void APIENTRY glutReshapeWindow (int width, int height) +void APIENTRY +glutReshapeWindow (int width, int height) { - if (DMesaResizeBuffer(width, height)) { - g_curwin->width = width; - g_curwin->height = height; - if (g_curwin->reshape) { - g_curwin->reshape(width, height); - } else { - glViewport(0, 0, width, height); - } - } + if (DMesaResizeBuffer(width, height)) { + g_curwin->width = width; + g_curwin->height = height; + if (g_curwin->reshape) { + g_curwin->reshape(width, height); + } else { + glViewport(0, 0, width, height); + } + } } - -void APIENTRY glutFullScreen (void) +void APIENTRY +glutFullScreen (void) { } - -void APIENTRY glutPopWindow (void) +void APIENTRY +glutPopWindow (void) { } - -void APIENTRY glutPushWindow (void) +void APIENTRY +glutPushWindow (void) { } - -void APIENTRY glutIconifyWindow (void) +void APIENTRY +glutIconifyWindow (void) { } - -void APIENTRY glutShowWindow (void) +void APIENTRY +glutShowWindow (void) { } - -void APIENTRY glutHideWindow (void) +void APIENTRY +glutHideWindow (void) { } |