/*
- * Mesa 3-D graphics library
- * Version: 4.1
- * Copyright (C) 1995-1998 Brian Paul
+ * DOS/DJGPP Mesa Utility Toolkit
+ * Version: 1.0
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * Copyright (C) 2005 Daniel Borca All Rights Reserved.
*
- * 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
- * Library General Public License for more details.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
*
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-/*
- * DOS/DJGPP glut driver v1.4 for Mesa
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
*
- * Copyright (C) 2002 - Borca Daniel
- * Email : dborca@users.sourceforge.net
- * Web : http://www.geocities.com/dborca
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * DANIEL BORCA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
-#include "glutint.h"
-#include "GL/dmesa.h"
-
+#include "internal.h"
-GLUTwindow *g_curwin;
static GLuint swaptime, swapcount;
static DMesaVisual visual = NULL;
-GLUTwindow *g_windows[MAX_WINDOWS];
+GLUTwindow *_glut_current, *_glut_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)
+static GLUTwindow *
+_glut_window (int win)
{
- 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;
+ if (win > 0 && --win < MAX_WINDOWS) {
+ return _glut_windows[win];
+ }
+ return NULL;
}
-
-int APIENTRY glutCreateSubWindow (int win, int x, int y, int width, int height)
+int APIENTRY
+glutCreateWindow (const char *title)
{
- return GL_FALSE;
+ int i;
+ int m8width = (_glut_default.width + 7) & ~7;
+
+ if (!(_glut_default.mode & GLUT_DOUBLE)) {
+ return 0;
+ }
+
+ /* 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(_glut_default.x + m8width, _glut_default.y + _glut_default.height, _glut_visual.bpp, _glut_visual.refresh,
+ GLUT_SINGLE,
+ !(_glut_default.mode & GLUT_INDEX),
+ (_glut_default.mode & GLUT_ALPHA ) ? _glut_visual.alpha : 0,
+ (_glut_default.mode & GLUT_DEPTH ) ? _glut_visual.depth : 0,
+ (_glut_default.mode & GLUT_STENCIL) ? _glut_visual.stencil : 0,
+ (_glut_default.mode & GLUT_ACCUM ) ? _glut_visual.accum : 0))==NULL) {
+ return 0;
+ }
+
+ DMesaGetIntegerv(DMESA_GET_SCREEN_SIZE, _glut_visual.geometry);
+ DMesaGetIntegerv(DMESA_GET_DRIVER_CAPS, &_glut_visual.flags);
+
+ /* 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 (_glut_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, _glut_default.x, _glut_default.y, m8width, _glut_default.height)) == 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;
+ }
+
+ _glut_current = _glut_windows[i] = w;
+
+ w->num = ++i;
+ w->xpos = _glut_default.x;
+ w->ypos = _glut_default.y;
+ w->width = m8width;
+ w->height = _glut_default.height;
+ w->context = c;
+ w->buffer = b;
+
+ return i;
+ }
+ }
+
+ return 0;
}
-
-void APIENTRY glutDestroyWindow (int win)
+int APIENTRY
+glutCreateSubWindow (int win, int x, int y, int width, int height)
{
- if (g_windows[--win]) {
- GLUTwindow *w = g_windows[win];
- DMesaMakeCurrent(NULL, NULL);
- DMesaDestroyBuffer(w->buffer);
- DMesaDestroyContext(w->context);
- free(w);
- g_windows[win] = NULL;
- }
+ return GL_FALSE;
}
-
-void APIENTRY glutPostRedisplay (void)
+void APIENTRY
+glutDestroyWindow (int win)
{
- g_curwin->redisplay = GL_TRUE;
+ GLUTwindow *w = _glut_window(win);
+ if (w != NULL) {
+ if (w->destroy) {
+ w->destroy();
+ }
+ DMesaMakeCurrent(NULL, NULL);
+ DMesaDestroyBuffer(w->buffer);
+ DMesaDestroyContext(w->context);
+ free(w);
+ _glut_windows[win - 1] = NULL;
+ }
}
-
-void APIENTRY glutSwapBuffers (void)
+void APIENTRY
+glutPostRedisplay (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;
- }
- }
+ _glut_current->redisplay = GL_TRUE;
}
-
-int APIENTRY glutGetWindow (void)
+void APIENTRY
+glutSwapBuffers (void)
{
- return g_curwin->num;
+ if (_glut_current->show_mouse) {
+ /* XXX scare mouse */
+ DMesaSwapBuffers(_glut_current->buffer);
+ /* XXX unscare mouse */
+ } else {
+ DMesaSwapBuffers(_glut_current->buffer);
+ }
+
+ if (_glut_fps) {
+ GLint t = glutGet(GLUT_ELAPSED_TIME);
+ swapcount++;
+ if (swaptime == 0)
+ swaptime = t;
+ else if (t - swaptime > _glut_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;
+ }
+ }
}
-
-void APIENTRY glutSetWindow (int win)
+int APIENTRY
+glutGetWindow (void)
{
- g_curwin = g_windows[win - 1];
- DMesaMakeCurrent(g_curwin->context, g_curwin->buffer);
+ return _glut_current->num;
}
-
-void APIENTRY glutSetWindowTitle (const char *title)
+void APIENTRY
+glutSetWindow (int win)
{
+ GLUTwindow *w = _glut_window(win);
+ if (w != NULL) {
+ _glut_current = w;
+ DMesaMakeCurrent(_glut_current->context, _glut_current->buffer);
+ }
}
-
-void APIENTRY glutSetIconTitle (const char *title)
+void APIENTRY
+glutSetWindowTitle (const char *title)
{
}
-
-void APIENTRY glutPositionWindow (int x, int y)
+void APIENTRY
+glutSetIconTitle (const char *title)
{
- if (DMesaMoveBuffer(x, y)) {
- g_curwin->xpos = x;
- g_curwin->ypos = y;
- }
}
+void APIENTRY
+glutPositionWindow (int x, int y)
+{
+ if (DMesaMoveBuffer(x, y)) {
+ _glut_current->xpos = x;
+ _glut_current->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)) {
+ _glut_current->width = width;
+ _glut_current->height = height;
+ if (_glut_current->reshape) {
+ _glut_current->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
+glutShowWindow (void)
+{
+}
-void APIENTRY glutIconifyWindow (void)
+
+void APIENTRY
+glutHideWindow (void)
{
}
+void APIENTRY
+glutCloseFunc (GLUTdestroyCB destroy)
+{
+ _glut_current->destroy = destroy;
+}
+
-void APIENTRY glutShowWindow (void)
+void APIENTRY
+glutPostWindowRedisplay (int win)
{
+ GLUTwindow *w = _glut_window(win);
+ if (w != NULL) {
+ w->redisplay = GL_TRUE;
+ }
}
+void * APIENTRY
+glutGetWindowData (void)
+{
+ return _glut_current->data;
+}
+
-void APIENTRY glutHideWindow (void)
+void APIENTRY
+glutSetWindowData (void *data)
{
+ _glut_current->data = data;
}
projects / mesa.git / blobdiff