static VIDEO_UPDATE( alg )
{
/* composite the video */
if (!video_skip_this_frame())
{
mame_bitmap *vidbitmap;
rectangle fixedvis = Machine->screen[screen].visarea;
fixedvis.max_x++;
fixedvis.max_y++;
/* first lay down the video data */
laserdisc_get_video(discinfo, &vidbitmap);
if (video_texture == NULL)
video_texture = render_texture_alloc(vidbitmap, NULL, 0, TEXFORMAT_YUY16, NULL, NULL);
else
render_texture_set_bitmap(video_texture, vidbitmap, NULL, 0, TEXFORMAT_YUY16);
/* then overlay the Amiga video */
if (overlay_texture == NULL)
overlay_texture = render_texture_alloc(tmpbitmap, &fixedvis, 0, TEXFORMAT_PALETTEA16, NULL, NULL);
else
render_texture_set_bitmap(overlay_texture, tmpbitmap, &fixedvis, 0, TEXFORMAT_PALETTEA16);
/* add both quads to the screen */
render_screen_add_quad(0, 0.0f, 0.0f, 1.0f, 1.0f, MAKE_ARGB(0xff,0xff,0xff,0xff), video_texture, PRIMFLAG_BLENDMODE(BLENDMODE_NONE) | PRIMFLAG_SCREENTEX(1));
render_screen_add_quad(0, 0.0f, 0.0f, 1.0f, 1.0f, MAKE_ARGB(0xff,0xff,0xff,0xff), overlay_texture, PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA) | PRIMFLAG_SCREENTEX(1));
}
/* display disc information */
if (discinfo != NULL)
popmessage("%s", laserdisc_describe_state(discinfo));
return 0;
}
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;
}
int TMS9928A_interrupt(running_machine *machine) {
int b;
/* when skipping frames, calculate sprite collision */
if (video_skip_this_frame() ) {
if (TMS_SPRITES_ENABLED) {
draw_sprites (machine->primary_screen, NULL, NULL);
}
}
tms.StatusReg |= 0x80;
b = (tms.Regs[1] & 0x20) != 0;
if (b != tms.INT) {
tms.INT = b;
if (tms.INTCallback) tms.INTCallback (machine, tms.INT);
}
return b;
}
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);
}
}
}
