/*
* The argv argument will be populated with the address that the PPE provided,
* from the 4th argument to spe_context_run()
*/
int main(uint64_t speid, uint64_t argv, uint64_t envp)
{
struct spe_args args __attribute__((aligned(SPE_ALIGN)));
mfc_get(&args, argv, sizeof(args), 0, 0, 0);
mfc_write_tag_mask(1 << 0);
mfc_read_tag_status_all();
cmap_calls = 0;
dma_puts = 0;
spu_write_decrementer(-1);
// Run multiple renders with offsets. Should be factored into render_fractal()
render_fractal(&args.fractal, args.thread_idx, args.n_threads, 0.);
render_fractal(&args.fractal, args.thread_idx, args.n_threads,
args.fractal.delta * 7 / 8);
render_fractal(&args.fractal, args.thread_idx, args.n_threads,
args.fractal.delta * 3 / 4);
render_fractal(&args.fractal, args.thread_idx, args.n_threads,
args.fractal.delta * 5 / 8);
render_fractal(&args.fractal, args.thread_idx, args.n_threads,
args.fractal.delta / 2);
render_fractal(&args.fractal, args.thread_idx, args.n_threads,
args.fractal.delta * 3 / 8);
render_fractal(&args.fractal, args.thread_idx, args.n_threads,
args.fractal.delta / 4);
render_fractal(&args.fractal, args.thread_idx, args.n_threads,
args.fractal.delta / 8);
// Send remaining points
if(fill%2048) {
// select the last buffer used
int f = fill / 2048;
mfc_put(&points[f*2048], (uint)args.fractal.pointbuf[f], 16384, 0, 0, 0);
// Block for completion
mfc_write_tag_mask(1<<0);
mfc_read_tag_status_all();
// Send a message with top bit set to indicate final item
spu_write_out_intr_mbox((1<<31)|f);
// Send another message indicating count
spu_write_out_intr_mbox(fill%2048);
++dma_puts;
}
// Report some stats
uint ticks = -1 - spu_read_decrementer();
printf("cmap calls %d ticks %u calls/tick %f\n",
cmap_calls, ticks, (double)cmap_calls/ticks );
printf("dma puts %d\n", dma_puts);
return 0;
}
int main(int argc, const char* argv[]) {
// Get fractal renderer
double (*renderer) (complex double, const char *[], int) = &in_mandlebrot;
const char** frargv = &argv[1];
int frargc = argc - 1;
if(frargc > 0) {
frargc --;
for(unsigned int i = 0; i < sizeof(fractals) / sizeof(struct Fractal); i++) {
if(strcmp(fractals[i].name, frargv[0]) == 0) {
renderer = fractals[i].renderer;
frargv++;
if(frargc < fractals[i].args) {
fprintf(stderr, "'%s' takes %d argument%s.\n",
fractals[i].name,
fractals[i].args,
(fractals[i].args == 1) ? "" : "s");
return 1;
}
}
}
}
MEVENT event;
WINDOW * mainwin = initscr();
start_color();
cbreak();
noecho();
nonl();
intrflush(stdscr, false);
keypad(stdscr, true);
curs_set(0);
mousemask(ALL_MOUSE_EVENTS, NULL);
// Initialise colours
render_init(mainwin);
bool looping = true;
while(looping) {
// Render the fractal
render_fractal(renderer, frargv, frargc);
// Get input
int ch = getch();
switch(ch) {
case KEY_UP:
scrollpixels(1, 0);
break;
case KEY_DOWN:
scrollpixels(-1, 0);
break;
case KEY_LEFT:
scrollpixels(0, 1);
break;
case KEY_RIGHT:
scrollpixels(0, -1);
break;
case '+':
zoom_in();
break;
case '-':
zoom_out();
break;
case 'h':
toggle_hide();
break;
case 'b':
toggle_bright();
break;
case KEY_MOUSE:
if(getmouse(&event) == OK) {
if(event.bstate & BUTTON1_CLICKED) {
centre(pixel_topleft(event.y, event.x));
}
}
break;
case 'r':
reset();
break;
case 'q':
looping = false;
break;
default:
break;
}
}
curs_set(1);
nl();
echo();
nocbreak();
delwin(mainwin);
endwin();
}
void render_frame(GLboolean debug_maxsrc, GLboolean debug_pal, GLboolean show_mandel, GLboolean show_fps_hist)
{
static int cnt = 0;
static uint32_t maxfrms = 0;
static uint32_t last_beat_time = 0, lastpalstep = 0, fps_oldtime = 0;
static int beats = 0;
static uint64_t now = 0, workstart = 0;
//TODO: move this up to top
workstart = now = uget_ticks();
int delay = (tick0 + cnt*INT64_C(1000000)/opts->draw_rate) - now;
if(delay > 0) { udodelay(delay); workstart = now = uget_ticks(); }
// rate limit our maxsrc updates, but run at full frame rate if we're close the opts.maxsrc_rate to avoid choppyness
if((tick0-now)*opts->maxsrc_rate + (maxfrms*INT64_C(1000000)) > INT64_C(1000000) ) {
// || (totframetime + 10*FPS_HIST_LEN > FPS_HIST_LEN*1000/opts->maxsrc_rate ) ) {
audio_data ad; audio_get_samples(&ad);
maxsrc_update(glmaxsrc, ad.data, ad.len);
audio_finish_samples();
maxfrms++;
}
render_fractal(glfract, pd, maxsrc_get_tex(glmaxsrc));
if(!debug_pal || !debug_maxsrc || !show_mandel) {
gl_pal_render(glpal, fract_get_tex(glfract));
} else {
glPushAttrib(GL_VIEWPORT_BIT);
setup_viewport(scr_w/2, scr_h/2);
gl_pal_render(glpal, fract_get_tex(glfract));
glPopAttrib();
}
if(show_mandel) render_mandel(pd); //TODO: enable click to change c
//TODO: figure out what attrib to push to save color
if(debug_pal || debug_maxsrc) { glPushAttrib(GL_TEXTURE_BIT); if(packed_intesity_pixels) glColor3f(1.0f, 1.0f, 1.0f); }
if(debug_pal) {
glBindTexture(GL_TEXTURE_2D, fract_get_tex(glfract));
draw_tex_quad(0.5f, 0.5f, -0.5f);
}
if(debug_maxsrc) {
glBindTexture(GL_TEXTURE_2D, maxsrc_get_tex(glmaxsrc));
draw_tex_quad(0.5f, -0.5f, 0.5f);
}
if(debug_pal || debug_maxsrc) { glPopAttrib(); if(packed_intesity_pixels) glColor3f(1.0f, 1.0f, 1.0f); }
if(show_fps_hist) { DEBUG_CHECK_GL_ERR;
glPushMatrix();
glScalef(0.5f, 0.25f, 1);
glTranslatef(-2, 3, 0);
draw_hist_array(cnt, FPS_HIST_LEN/(8.0f*totframetime), frametimes, FPS_HIST_LEN);
glPopMatrix();
glPushMatrix();
glScalef(0.5f, 0.25f, 1);
glTranslatef(1, 3, 0);
draw_hist_array(cnt, FPS_HIST_LEN/(8.0f*totworktime), worktimes, FPS_HIST_LEN);
glPopMatrix();
glColor3f(1.0f, 1.0f, 1.0f);
char buf[128];
glRasterPos2f(-1,1 - 20.0f/(scr_h*0.5f));
sprintf(buf,"%6.1f FPS %6.1f", FPS_HIST_LEN*1000000.0f/totframetime, maxfrms*1000000.0f/(now-tick0));
draw_string(buf); DEBUG_CHECK_GL_ERR;
glRasterPos2f(-1,0.75f-20.0f/(scr_h*0.5f));
sprintf(buf,"%7.1fns frametime\n%7.1fns worktime\n", totframetime/((float)FPS_HIST_LEN), totworktime/((float)FPS_HIST_LEN));
draw_string(buf); DEBUG_CHECK_GL_ERR;
} else {
glRasterPos2f(-1,0.75f-20.0f/(scr_h*0.5f));
}
render_debug_overlay();
swap_buffers(); CHECK_GL_ERR;
now = uget_ticks();
if(now - lastpalstep >= 1000*2048/256 && gl_pal_changing(glpal)) { // want pallet switch to take ~2 seconds
if(gl_pal_step(glpal, IMIN((now - lastpalstep)*256/(2048*1000), 32)))
lastpalstep = now;
}
int newbeat = beat_get_count();
if(newbeat != beats) {
gl_pal_start_switch(glpal, newbeat);
}
if(newbeat != beats && now - last_beat_time > 1000000) {
last_beat_time = now;
update_points(pd, (now - tick0)/1000, 1);
} else update_points(pd, (now - tick0)/1000, 0);
beats = newbeat;
now = uget_ticks();
totframetime -= frametimes[cnt%FPS_HIST_LEN];
totframetime += (frametimes[cnt%FPS_HIST_LEN] = now - fps_oldtime);
fps_oldtime = now;
totworktime -= worktimes[cnt%FPS_HIST_LEN];
totworktime += (worktimes[cnt%FPS_HIST_LEN] = now - workstart);
cnt++;
}