#include <math.h>
#include <string.h>
#include <limits.h>
+#include <assert.h>
+#include <conio.h>
#include "demo.h"
#include "keyb.h"
#include "mouse.h"
#include "sball.h"
#include "cfgopt.h"
#include "logger.h"
+#include "tinyfps.h"
+
+#undef NOKEYB
static int handle_sball_event(sball_event *ev);
static void recalc_sball_matrix(float *xform);
init_logger("demo.log");
init_timer(100);
+#ifndef NOKEYB
kb_init(32);
+#endif
if((use_mouse = have_mouse())) {
+ printf("initializing mouse input\n");
set_mouse_limits(0, 0, fb_width, fb_height);
set_mouse(fb_width / 2, fb_height / 2);
}
return 1;
}
- if(!(vmem_front = set_video_mode(fb_width, fb_height, fb_bpp))) {
+ if(!(vmem_back = set_video_mode(fb_width, fb_height, fb_bpp))) {
return 1;
}
- /* TODO implement multiple video memory pages for flipping */
- vmem_back = vmem_front;
+ if(!(vmem_front = page_flip(FLIP_NOW))) {
+ fprintf(stderr, "page flipping not supported. falling back to double buffering\n");
+ vmem_front = vmem_back;
+ } else {
+ assert(vmem_back != vmem_front);
+ }
if(demo_init(argc, argv) == -1) {
set_text_mode();
reset_timer();
while(!quit) {
+#ifndef NOKEYB
int key;
while((key = kb_getkey()) != -1) {
demo_keyboard(key, 1);
}
+#else
+ if(kbhit()) {
+ demo_keyboard(getch(), 1);
+ }
+#endif
if(quit) goto break_evloop;
if(use_mouse) {
break_evloop:
set_text_mode();
demo_cleanup();
+#ifndef NOKEYB
kb_shutdown();
+#endif
if(use_sball) {
sball_shutdown();
}
void swap_buffers(void *pixels)
{
- /* TODO implement page flipping */
if(pixels) {
- /*wait_vsync();*/
+ /* just memcpy to the front buffer */
+ if(opt.vsync) {
+ wait_vsync();
+ }
drawFps(pixels);
memcpy(vmem_front, pixels, fbsize);
+
} else {
+ /* attempt page flipping */
+ void *next;
+
drawFps(vmem_back);
+ if((next = page_flip(opt.vsync ? FLIP_VBLANK_WAIT : FLIP_NOW))) {
+ assert(next == vmem_back);
+ vmem_back = vmem_front;
+ vmem_front = next;
+ } else {
+ /* failed to page flip, assume we drew in the front buffer then
+ * and just wait for vsync if necessary
+ */
+ if(opt.vsync) {
+ wait_vsync();
+ }
+ }
}
}