void video_screen_update_partial(int scrnum, int scanline)
{
internal_screen_info *screen = &scrinfo[scrnum];
rectangle clip = Machine->screen[scrnum].visarea;
LOG_PARTIAL_UPDATES(("Partial: video_screen_update_partial(%d,%d): ", scrnum, scanline));
/* these two checks only apply if we're allowed to skip frames */
if (!(Machine->drv->video_attributes & VIDEO_ALWAYS_UPDATE))
{
/* if skipping this frame, bail */
if (video_skip_this_frame())
{
LOG_PARTIAL_UPDATES(("skipped due to frameskipping\n"));
return;
}
/* skip if this screen is not visible anywhere */
if (!(render_get_live_screens_mask() & (1 << scrnum)))
{
LOG_PARTIAL_UPDATES(("skipped because screen not live\n"));
return;
}
}
/* skip if less than the lowest so far */
if (scanline < screen->last_partial_scanline)
{
LOG_PARTIAL_UPDATES(("skipped because less than previous\n"));
return;
}
/* set the start/end scanlines */
if (screen->last_partial_scanline > clip.min_y)
clip.min_y = screen->last_partial_scanline;
if (scanline < clip.max_y)
clip.max_y = scanline;
/* render if necessary */
if (clip.min_y <= clip.max_y)
{
UINT32 flags;
profiler_mark(PROFILER_VIDEO);
LOG_PARTIAL_UPDATES(("updating %d-%d\n", clip.min_y, clip.max_y));
flags = (*Machine->drv->video_update)(Machine, scrnum, screen->bitmap[screen->curbitmap], &clip);
performance.partial_updates_this_frame++;
profiler_mark(PROFILER_END);
/* if we modified the bitmap, we have to commit */
screen->changed |= (~flags & UPDATE_HAS_NOT_CHANGED);
}
/* remember where we left off */
screen->last_partial_scanline = scanline + 1;
}
void video_save_active_screen_snapshots(void)
{
UINT32 screenmask = render_get_live_screens_mask();
mame_file *fp;
int scrnum;
/* write one snapshot per visible screen */
for (scrnum = 0; scrnum < MAX_SCREENS; scrnum++)
if (screenmask & (1 << scrnum))
{
mame_file_error filerr = mame_fopen_next(SEARCHPATH_SCREENSHOT, "png", &fp);
if (filerr == FILERR_NONE)
{
video_screen_save_snapshot(fp, scrnum);
mame_fclose(fp);
}
}
}
void video_frame_update(void)
{
int skipped_it = video_skip_this_frame();
int paused = mame_is_paused(Machine);
int phase = mame_get_phase(Machine);
int livemask;
int scrnum;
/* only render sound and video if we're in the running phase */
if (phase == MAME_PHASE_RUNNING)
{
/* update sound */
sound_frame_update();
/* finish updating the screens */
for (scrnum = 0; scrnum < MAX_SCREENS; scrnum++)
if (Machine->drv->screen[scrnum].tag != NULL)
video_screen_update_partial(scrnum, Machine->screen[scrnum].visarea.max_y);
/* now add the quads for all the screens */
livemask = render_get_live_screens_mask();
for (scrnum = 0; scrnum < MAX_SCREENS; scrnum++) {
if (livemask & (1 << scrnum))
{
internal_screen_info *screen = &scrinfo[scrnum];
/* only update if empty and not a vector game; otherwise assume the driver did it directly */
if (render_container_is_empty(render_container_get_screen(scrnum)) && !(Machine->drv->video_attributes & VIDEO_TYPE_VECTOR))
{
mame_bitmap *bitmap = screen->bitmap[screen->curbitmap];
if (!skipping_this_frame && screen->changed)
{
rectangle fixedvis = Machine->screen[scrnum].visarea;
fixedvis.max_x++;
fixedvis.max_y++;
render_texture_set_bitmap(screen->texture, bitmap, &fixedvis, Machine->drv->screen[scrnum].palette_base, screen->format);
screen->curbitmap = 1 - screen->curbitmap;
}
render_screen_add_quad(scrnum, 0.0f, 0.0f, 1.0f, 1.0f, MAKE_ARGB(0xff,0xff,0xff,0xff), screen->texture, PRIMFLAG_BLENDMODE(BLENDMODE_NONE) | PRIMFLAG_SCREENTEX(1));
}
}
}
/* update our movie recording state */
if (!paused)
movie_record_frame(0);
/* reset the screen changed flags */
for (scrnum = 0; scrnum < MAX_SCREENS; scrnum++)
scrinfo[scrnum].changed = 0;
}
/* draw any crosshairs */
crosshair_render();
/* draw the user interface */
ui_update_and_render();
/* call the OSD to update */
skipping_this_frame = osd_update(mame_timer_get_time());
/* empty the containers */
for (scrnum = 0; scrnum < MAX_SCREENS; scrnum++)
if (Machine->drv->screen[scrnum].tag != NULL)
render_container_empty(render_container_get_screen(scrnum));
/* update FPS */
recompute_fps(skipped_it);
/* call the end-of-frame callback */
if (phase == MAME_PHASE_RUNNING)
{
/* reset partial updates if we're paused or if the debugger is active */
if (paused || mame_debug_is_active())
video_reset_partial_updates();
/* otherwise, call the video EOF callback */
else if (Machine->drv->video_eof != NULL)
{
profiler_mark(PROFILER_VIDEO);
(*Machine->drv->video_eof)(Machine);
profiler_mark(PROFILER_END);
}
}
}
static void dump_screenshot(int write_file)
{
mame_file_error filerr;
mame_file *fp;
char buf[128];
int is_blank = 0;
int scrnum;
UINT32 screenmask;
if (write_file)
{
/* dump a screenshot */
snprintf(buf, sizeof(buf) / sizeof(buf[0]),
(screenshot_num >= 0) ? "_%s_%d.png" : "_%s.png",
current_testcase.name, screenshot_num);
filerr = mame_fopen(SEARCHPATH_SCREENSHOT, buf, OPEN_FLAG_WRITE | OPEN_FLAG_CREATE, &fp);
if (filerr == FILERR_NONE)
{
screenmask = render_get_live_screens_mask();
if (screenmask != 0)
{
/* choose a screen */
for (scrnum = 0; scrnum < MAX_SCREENS; scrnum++)
{
if (screenmask & (1 << scrnum))
break;
}
video_screen_save_snapshot(fp, scrnum);
report_message(MSG_INFO, "Saved screenshot as %s", buf);
}
else
{
report_message(MSG_FAILURE, "Could not save screenshot; no live screen");
}
mame_fclose(fp);
}
else
{
/* report the error */
report_message(MSG_FAILURE, "Could not save screenshot; error #%d", filerr);
}
if (screenshot_num >= 0)
screenshot_num++;
}
#if 0
/* check to see if bitmap is blank */
bitmap = scrbitmap[0];
is_blank = 1;
color = bitmap->read(bitmap, 0, 0);
for (y = 0; is_blank && (y < bitmap->height); y++)
{
for (x = 0; is_blank && (x < bitmap->width); x++)
{
if (bitmap->read(bitmap, x, y) != color)
is_blank = 0;
}
}
#endif
if (is_blank)
{
had_failure = TRUE;
report_message(MSG_FAILURE, "Screenshot is blank");
}
}
