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prepare for alt rendering (nw)

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This commit is contained in:
David Haywood 2014-05-20 22:36:50 +00:00
parent 7c734d3e4c
commit d09d518dcf
3 changed files with 22 additions and 6 deletions
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1
src/mame/includes/spbactn.h
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@ -42,6 +42,7 @@ public:
bitmap_ind16 m_tile_bitmap_bg;
bitmap_ind16 m_tile_bitmap_fg;
bitmap_ind16 m_sprite_bitmap;
DECLARE_WRITE16_MEMBER(soundcommand_w);

16
src/mame/video/spbactn.c
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@ -76,6 +76,7 @@ VIDEO_START_MEMBER(spbactn_state,spbactn)
/* allocate bitmaps */
m_screen->register_screen_bitmap(m_tile_bitmap_bg);
m_screen->register_screen_bitmap(m_tile_bitmap_fg);
m_screen->register_screen_bitmap(m_sprite_bitmap);
m_bg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(spbactn_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 16, 8, 64, 128);
m_fg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(spbactn_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, 16, 8, 64, 128);
@ -149,24 +150,31 @@ TILE_GET_INFO_MEMBER(spbactn_state::get_extra_tile_info)
int spbactn_state::draw_video(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect, bool alt_sprites)
{
m_tile_bitmap_fg.fill(0, cliprect);
m_sprite_bitmap.fill(0, cliprect);
#if 1
m_bg_tilemap->draw(screen, m_tile_bitmap_bg, cliprect, TILEMAP_DRAW_OPAQUE, 0);
if (m_sprgen->gaiden_draw_sprites(screen, m_gfxdecode, m_tile_bitmap_bg, m_tile_bitmap_fg, m_tile_bitmap_fg, cliprect, m_spvideoram, 0, 0, flip_screen(), 0, m_tile_bitmap_bg))
if (m_sprgen->gaiden_draw_sprites(screen, m_gfxdecode, m_tile_bitmap_bg, m_tile_bitmap_fg, m_sprite_bitmap, cliprect, m_spvideoram, 0, 0, flip_screen(), 0, m_tile_bitmap_bg))
{
m_bg_tilemap->draw(screen, m_tile_bitmap_bg, cliprect, 0, 0);
}
m_sprgen->gaiden_draw_sprites(screen, m_gfxdecode, m_tile_bitmap_bg, m_tile_bitmap_fg, m_tile_bitmap_fg, cliprect, m_spvideoram, 0, 0, flip_screen(), 1, m_tile_bitmap_bg);
m_sprgen->gaiden_draw_sprites(screen, m_gfxdecode, m_tile_bitmap_bg, m_tile_bitmap_fg, m_sprite_bitmap, cliprect, m_spvideoram, 0, 0, flip_screen(), 1, m_tile_bitmap_bg);
m_fg_tilemap->draw(screen, m_tile_bitmap_fg, cliprect, 0, 0);
m_sprgen->gaiden_draw_sprites(screen, m_gfxdecode, m_tile_bitmap_bg, m_tile_bitmap_fg, m_tile_bitmap_fg, cliprect, m_spvideoram, 0, 0, flip_screen(), 2, m_tile_bitmap_fg);
m_sprgen->gaiden_draw_sprites(screen, m_gfxdecode, m_tile_bitmap_bg, m_tile_bitmap_fg, m_tile_bitmap_fg, cliprect, m_spvideoram, 0, 0, flip_screen(), 3, m_tile_bitmap_fg);
m_sprgen->gaiden_draw_sprites(screen, m_gfxdecode, m_tile_bitmap_bg, m_tile_bitmap_fg, m_sprite_bitmap, cliprect, m_spvideoram, 0, 0, flip_screen(), 2, m_tile_bitmap_fg);
m_sprgen->gaiden_draw_sprites(screen, m_gfxdecode, m_tile_bitmap_bg, m_tile_bitmap_fg, m_sprite_bitmap, cliprect, m_spvideoram, 0, 0, flip_screen(), 3, m_tile_bitmap_fg);
/* mix & blend the tilemaps and sprites into a 32-bit bitmap */
blendbitmaps(m_palette, bitmap, m_tile_bitmap_bg, m_tile_bitmap_fg, cliprect);
#else
m_sprgen->gaiden_draw_sprites(screen, m_gfxdecode, m_tile_bitmap_bg, m_tile_bitmap_fg, m_tile_bitmap_fg, cliprect, m_spvideoram, 0, 0, flip_screen(), -2, m_sprite_bitmap);
#endif
return 0;
}

9
src/mame/video/tecmo_spr.c
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@ -189,7 +189,7 @@ int tecmo_spr_device::gaiden_draw_sprites( screen_device &screen, gfxdecode_devi
if (pri_hack == -1)
if (pri_hack == -1) // this is what the majority of the current drivers use
{
/* blending */
if (attributes & 0x20)
@ -202,6 +202,13 @@ int tecmo_spr_device::gaiden_draw_sprites( screen_device &screen, gfxdecode_devi
bitmap = (priority >= 2) ? &bitmap_bg : &bitmap_fg;
}
}
else if (pri_hack == -2) // render to a single bitmap, with all priority / colour data mixed in for later processing (assumings sprites can't blend sprites we should probably be doing this)
{
// this contains the blend bit and the priority bits
color |= (source[attributes_word] & 0x00f0);
bitmap = &bitmap_prihack;
}
else // spbactn
{
// this is nonsense