static void
draw_unichar (ModeInfo *mi)
{
unicrud_configuration *bp = &bps[MI_SCREEN(mi)];
char text[10];
char title[400];
XCharStruct e;
int w, h, i, j;
GLfloat s;
i = utf8_encode (bp->unichar, text, sizeof(text) - 1);
text[i] = 0;
*title = 0;
sprintf (title + strlen(title), "Plane:\t%s\n", bp->charplane);
sprintf (title + strlen(title), "Block:\t%s\n", bp->charblock);
# ifdef HAVE_JWXYZ
sprintf (title + strlen(title), "Name:\t%s\n",
(bp->charname ? bp->charname : ""));
#endif
sprintf (title + strlen(title), "Unicode:\t%04lX\n", bp->unichar);
sprintf (title + strlen(title), "UTF-8:\t");
for (j = 0; j < i; j++)
sprintf (title + strlen(title), "%02X ", ((unsigned char *)text)[j]);
texture_string_metrics (bp->char_font, text, &e, 0, 0);
w = e.width;
h = e.ascent;
s = 9;
glScalef (s, s, s);
s = 1.0 / (h > w ? h : w); /* Scale to unit */
glScalef (s, s, s);
glTranslatef (-w/2, -h/2, 0);
glColor4fv (bp->color);
print_texture_string (bp->char_font, text);
glColor3f (1, 1, 0);
if (do_titles)
print_texture_label (mi->dpy, bp->title_font,
mi->xgwa.width, mi->xgwa.height,
1, title);
}
ENTRYPOINT void
draw_spheremonics (ModeInfo *mi)
{
spheremonics_configuration *cc = &ccs[MI_SCREEN(mi)];
Display *dpy = MI_DISPLAY(mi);
Window window = MI_WINDOW(mi);
if (!cc->glx_context)
return;
glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(cc->glx_context));
gl_init(mi);
glShadeModel(GL_SMOOTH);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix ();
glScalef(1.1, 1.1, 1.1);
{
double x, y, z;
get_position (cc->rot, &x, &y, &z, !cc->button_down_p);
glTranslatef((x - 0.5) * 8,
(y - 0.5) * 6,
(z - 0.5) * 8);
gltrackball_rotate (cc->trackball);
get_rotation (cc->rot, &x, &y, &z, !cc->button_down_p);
glRotatef (x * 360, 1.0, 0.0, 0.0);
glRotatef (y * 360, 0.0, 1.0, 0.0);
glRotatef (z * 360, 0.0, 0.0, 1.0);
}
glScalef(7,7,7);
mi->polygon_count = 0;
glScalef (cc->scale, cc->scale, cc->scale);
glCallList (cc->dlist);
mi->polygon_count += cc->polys1;
if (cc->mesher >= 0 /* || cc->button_down_p */)
{
glDisable (GL_LIGHTING);
glCallList (cc->dlist2);
mi->polygon_count += cc->polys2;
if (cc->mesher >= 0)
cc->mesher--;
}
do_tracer(mi);
if (cc->button_down_p)
{
char buf[200];
sprintf (buf,
((cc->m[0]<10 && cc->m[1]<10 && cc->m[2]<10 && cc->m[3]<10 &&
cc->m[4]<10 && cc->m[5]<10 && cc->m[6]<10 && cc->m[7]<10)
? "%d%d%d%d%d%d%d%d"
: "%d %d %d %d %d %d %d %d"),
cc->m[0], cc->m[1], cc->m[2], cc->m[3],
cc->m[4], cc->m[5], cc->m[6], cc->m[7]);
glColor3f(1.0, 1.0, 0.0);
print_texture_label (mi->dpy, cc->font_data,
mi->xgwa.width, mi->xgwa.height,
1, buf);
}
if (!static_parms)
{
if (cc->change_tick++ >= duration && !cc->button_down_p)
{
generate_spheremonics(mi);
cc->change_tick = 0;
cc->mesher = -1; /* turn off the mesh when switching objects */
}
}
glPopMatrix();
if (mi->fps_p) do_fps (mi);
glFinish();
glXSwapBuffers(dpy, window);
}
/* Draw the given sprite at the phase of its animation dictated by
its creation time compared to the current wall clock.
*/
static void
draw_sprite (ModeInfo *mi, sprite *sp)
{
slideshow_state *ss = &sss[MI_SCREEN(mi)];
int wire = MI_IS_WIREFRAME(mi);
image *img = sp->img;
if (! sp->img) abort();
if (! img->loaded_p) abort();
glPushMatrix();
{
glTranslatef (sp->current.x, sp->current.y, 0);
glScalef (sp->current.w, sp->current.h, 1);
if (wire) /* Draw a grid inside the box */
{
GLfloat dy = 0.1;
GLfloat dx = dy * img->w / img->h;
GLfloat x, y;
if (sp->id & 1)
glColor4f (sp->opacity, 0, 0, 1);
else
glColor4f (0, 0, sp->opacity, 1);
glBegin(GL_LINES);
glVertex3f (0, 0, 0); glVertex3f (1, 1, 0);
glVertex3f (1, 0, 0); glVertex3f (0, 1, 0);
for (y = 0; y < 1+dy; y += dy)
{
GLfloat yy = (y > 1 ? 1 : y);
for (x = 0.5; x < 1+dx; x += dx)
{
GLfloat xx = (x > 1 ? 1 : x);
glVertex3f (0, xx, 0); glVertex3f (1, xx, 0);
glVertex3f (yy, 0, 0); glVertex3f (yy, 1, 0);
}
for (x = 0.5; x > -dx; x -= dx)
{
GLfloat xx = (x < 0 ? 0 : x);
glVertex3f (0, xx, 0); glVertex3f (1, xx, 0);
glVertex3f (yy, 0, 0); glVertex3f (yy, 1, 0);
}
}
glEnd();
}
else /* Draw the texture quad */
{
GLfloat texw = img->geom.width / (GLfloat) img->tw;
GLfloat texh = img->geom.height / (GLfloat) img->th;
GLfloat texx1 = img->geom.x / (GLfloat) img->tw;
GLfloat texy1 = img->geom.y / (GLfloat) img->th;
GLfloat texx2 = texx1 + texw;
GLfloat texy2 = texy1 + texh;
glBindTexture (GL_TEXTURE_2D, img->texid);
glColor4f (1, 1, 1, sp->opacity);
glNormal3f (0, 0, 1);
glBegin (GL_QUADS);
glTexCoord2f (texx1, texy2); glVertex3f (0, 0, 0);
glTexCoord2f (texx2, texy2); glVertex3f (1, 0, 0);
glTexCoord2f (texx2, texy1); glVertex3f (1, 1, 0);
glTexCoord2f (texx1, texy1); glVertex3f (0, 1, 0);
glEnd();
if (debug_p) /* Draw a border around the image */
{
if (!wire) glDisable (GL_TEXTURE_2D);
if (sp->id & 1)
glColor4f (sp->opacity, 0, 0, 1);
else
glColor4f (0, 0, sp->opacity, 1);
glBegin (GL_LINE_LOOP);
glVertex3f (0, 0, 0);
glVertex3f (0, 1, 0);
glVertex3f (1, 1, 0);
glVertex3f (1, 0, 0);
glEnd();
if (!wire) glEnable (GL_TEXTURE_2D);
}
}
if (do_titles &&
img->title && *img->title &&
(sp->state == IN || sp->state == FULL))
{
glColor4f (1, 1, 1, sp->opacity);
print_texture_label (mi->dpy, ss->font_data,
mi->xgwa.width, mi->xgwa.height,
1, img->title);
}
}
glPopMatrix();
if (debug_p)
{
if (!wire) glDisable (GL_TEXTURE_2D);
if (sp->id & 1)
glColor4f (1, 0, 0, 1);
else
glColor4f (0, 0, 1, 1);
/* Draw the "from" and "to" boxes
*/
glBegin (GL_LINE_LOOP);
glVertex3f (sp->from.x, sp->from.y, 0);
glVertex3f (sp->from.x + sp->from.w, sp->from.y, 0);
glVertex3f (sp->from.x + sp->from.w, sp->from.y + sp->from.h, 0);
glVertex3f (sp->from.x, sp->from.y + sp->from.h, 0);
glEnd();
glBegin (GL_LINE_LOOP);
glVertex3f (sp->to.x, sp->to.y, 0);
glVertex3f (sp->to.x + sp->to.w, sp->to.y, 0);
glVertex3f (sp->to.x + sp->to.w, sp->to.y + sp->to.h, 0);
glVertex3f (sp->to.x, sp->to.y + sp->to.h, 0);
glEnd();
if (!wire) glEnable (GL_TEXTURE_2D);
}
}
ENTRYPOINT void draw_wip24(ModeInfo *mi) {
uint64_t frame_start = get_time();
wip24_state* state = states + MI_SCREEN(mi);
glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(state->glx_context));
glBindFramebuffer(GL_FRAMEBUFFER, state->framebuffer);
glDrawBuffer(GL_COLOR_ATTACHMENT0);
glViewport(0, 0, MI_WIDTH(mi)/state->undersample, MI_HEIGHT(mi)/state->undersample);
if (state->program) {
glUseProgram(state->program);
update_uniforms(mi, state);
glRectf(-1.0f, -1.0f, 1.0f, 1.0f);
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glViewport(0, 0, MI_WIDTH(mi), MI_HEIGHT(mi));
glUseProgram(0);
glBindTexture(GL_TEXTURE_2D, state->fb_texture);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(-1.0f, -1.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex2f(1.0f, -1.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex2f(1.0f, 1.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex2f(-1.0f, 1.0f);
glEnd();
if (mi->fps_p) do_fps(mi);
print_texture_label(MI_DISPLAY(mi), state->font, MI_WIDTH(mi), MI_HEIGHT(mi),
get_boolean_resource(MI_DISPLAY(mi), "fpsTop", "FPSTop")?2:1,
state->shader_info);
glXSwapBuffers(MI_DISPLAY(mi), MI_WINDOW(mi));
state->time_delta = get_time() - frame_start;
state->frame_count++;
float dest = mi->pause / 1000.0f;
float current = state->time_delta / 1000000.0f;
float* undersample = state->undersamples + state->frame_count%4;
if (current > (dest+1.0f)) *undersample += 0.1f;
else if (current<(dest-1.0f) && state->undersample>1.0f) *undersample -= 0.1f;
else goto no_reshape;
state->undersample = (state->undersamples[0]+state->undersamples[1]+
state->undersamples[2]+state->undersamples[3]) / 2.0f;
state->undersample = state->undersample>undersample_max ? undersample_max:state->undersample;
reshape_wip24(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
no_reshape:
;
mi->pause = dest>current ? dest-current : 0;
if ((get_time() - state->start_time)/1000000000.0f > shader_duration)
init_shader(mi, state);
}