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/*************************************************************************
* Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
* *
* This file is part of The Dimension Test Suite. *
* *
* Dimension 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 3 of the License, or *
* (at your option) any later version. *
* *
* Dimension 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 program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
#include "tests.h"
/* XIfEvent callback */
static Bool
WaitForNotify(Display *d, XEvent *e, char *arg)
{
return (e->type == MapNotify) && (e->xmap.window == (Window)arg);
}
/* New non-glX X window */
dmnsn_display *
dmnsn_new_X_display(const dmnsn_canvas *canvas)
{
dmnsn_display *display;
int screen, depth;
Visual *visual;
XSetWindowAttributes swa;
display = malloc(sizeof(dmnsn_display));
if (!display) {
return NULL;
}
/* Get an X connection */
display->dpy = XOpenDisplay(0);
if (!display->dpy) {
free(display);
return NULL;
}
screen = DefaultScreen(display->dpy);
depth = DefaultDepth(display->dpy, screen);
/* Get an appropriate visual */
visual = DefaultVisual(display->dpy, screen);
/* Set display->cx to NULL */
display->cx = NULL;
/* Create a color map */
display->cmap = XCreateColormap(display->dpy,
RootWindow(display->dpy, screen),
visual, AllocNone);
if (!display->cmap) {
glXDestroyContext(display->dpy, display->cx);
XCloseDisplay(display->dpy);
free(display);
return NULL;
}
/* Create a window */
swa.colormap = display->cmap;
swa.border_pixel = 0;
swa.event_mask = StructureNotifyMask;
display->win = XCreateWindow(display->dpy,
RootWindow(display->dpy, screen),
0, 0, canvas->x, canvas->y,
0, depth, InputOutput, visual,
CWBorderPixel|CWColormap|CWEventMask, &swa);
if (!display->win) {
XFreeColormap(display->dpy, display->cmap);
glXDestroyContext(display->dpy, display->cx);
XCloseDisplay(display->dpy);
free(display);
return NULL;
}
XStoreName(display->dpy, display->win, "X");
XMapWindow(display->dpy, display->win);
XIfEvent(display->dpy, &display->event, WaitForNotify, (char*)display->win);
return display;
}
dmnsn_display *
dmnsn_new_glX_display(const dmnsn_canvas *canvas)
{
int attributeList[] = {
GLX_RGBA,
GLX_DOUBLEBUFFER,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
None
};
dmnsn_display *display;
XVisualInfo *vi;
XSetWindowAttributes swa;
display = malloc(sizeof(dmnsn_display));
if (!display) {
return NULL;
}
/* Get an X connection */
display->dpy = XOpenDisplay(0);
if (!display->dpy) {
free(display);
return NULL;
}
/* Get an appropriate visual */
vi = glXChooseVisual(display->dpy, DefaultScreen(display->dpy),
attributeList);
if (!vi) {
XCloseDisplay(display->dpy);
free(display);
return NULL;
}
/* Create a GLX context */
display->cx = glXCreateContext(display->dpy, vi, 0, GL_TRUE);
if (!display->cx) {
XCloseDisplay(display->dpy);
free(display);
return NULL;
}
/* Create a color map */
display->cmap = XCreateColormap(display->dpy,
RootWindow(display->dpy, vi->screen),
vi->visual, AllocNone);
if (!display->cmap) {
glXDestroyContext(display->dpy, display->cx);
XCloseDisplay(display->dpy);
free(display);
return NULL;
}
/* Create a window */
swa.colormap = display->cmap;
swa.border_pixel = 0;
swa.event_mask = StructureNotifyMask;
display->win = XCreateWindow(display->dpy,
RootWindow(display->dpy, vi->screen),
0, 0, canvas->x, canvas->y,
0, vi->depth, InputOutput, vi->visual,
CWBorderPixel|CWColormap|CWEventMask, &swa);
if (!display->win) {
XFreeColormap(display->dpy, display->cmap);
glXDestroyContext(display->dpy, display->cx);
XCloseDisplay(display->dpy);
free(display);
return NULL;
}
XStoreName(display->dpy, display->win, "glX");
XMapWindow(display->dpy, display->win);
XIfEvent(display->dpy, &display->event, WaitForNotify, (char*)display->win);
/* Connect the context to the window */
glXMakeCurrent(display->dpy, display->win, display->cx);
return display;
}
void
dmnsn_delete_display(dmnsn_display *display)
{
if (display) {
XDestroyWindow(display->dpy, display->win);
XFreeColormap(display->dpy, display->cmap);
if (display->cx) {
glXDestroyContext(display->dpy, display->cx);
}
XCloseDisplay(display->dpy);
free(display);
}
}
void
dmnsn_display_frame(dmnsn_display *display)
{
if (display->cx) {
glFlush();
glXSwapBuffers(display->dpy, display->win);
}
XSync(display->dpy, True);
}
/* Print a progress bar of the progress of `progress' */
void
progressbar(const char *str, const dmnsn_progress *progress)
{
const unsigned int increments = 32;
unsigned int i;
printf("%s|", str);
fflush(stdout);
for (i = 0; i < increments; ++i) {
dmnsn_wait_progress(progress, ((double)(i + 1))/increments);
printf("=");
fflush(stdout);
}
printf("|\n");
fflush(stdout);
}
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