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more movement towards better rendering (nw)

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This commit is contained in:
David Haywood 2014-05-21 14:08:40 +00:00
parent 04e53b129e
commit b5337829ae
2 changed files with 36 additions and 5 deletions
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18
src/mame/video/spbactn.c
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@ -171,9 +171,27 @@ int spbactn_state::draw_video(screen_device &screen, bitmap_rgb32 &bitmap, const
/* 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
bitmap.fill(0, cliprect);
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);
int y, x;
const pen_t *paldata = m_palette->pens();
for (y = cliprect.min_y; y <= cliprect.max_y; y++)
{
UINT32 *dd = &bitmap.pix32(y);
UINT16 *sd2 = &m_sprite_bitmap.pix16(y);
for (x = cliprect.min_x; x <= cliprect.max_x; x++)
{
UINT16 pixel = (sd2[x] & 0xff) + 0x800;
if (pixel & 0xf) dd[x] = paldata[pixel];
}
}
#endif
return 0;
}

23
src/mame/video/tecmo_spr.c
View File

@ -84,7 +84,20 @@ static const UINT8 layout[8][8] =
int tecmo_spr_device::gaiden_draw_sprites( screen_device &screen, gfxdecode_device *gfxdecode, bitmap_ind16 &bitmap_bg, bitmap_ind16 &bitmap_fg, bitmap_ind16 &bitmap_sp, const rectangle &cliprect, UINT16* spriteram, int sprite_sizey, int spr_offset_y, int flip_screen, int pri_hack, bitmap_ind16 &bitmap_prihack )
{
gfx_element *gfx = gfxdecode->gfx(m_gfxregion);
const UINT16 *source = (NUM_SPRITES - 1) * 8 + spriteram;
UINT16 *source;
int sourceinc;
if (pri_hack == -2)
{
source = spriteram;
sourceinc = 8;
}
else
{
source = (NUM_SPRITES - 1) * 8 + spriteram;
sourceinc = -8;
}
int count = NUM_SPRITES;
int drawn = 0;
int screenwidth = screen.width();
@ -97,7 +110,7 @@ int tecmo_spr_device::gaiden_draw_sprites( screen_device &screen, gfxdecode_devi
int xposition_word = 4;
int enable_word = attributes_word;
if (m_altformat) // spbactn proto, this isn't right.. there are more changes I think
if (m_altformat) // spbactn proto, this isn't right..(it's probably just passing the priority / colour bits into the mixer swapped around, so can be handled externally once we output a single bitmap)
{
colour_word = 0;
attributes_word = 2;
@ -122,13 +135,13 @@ int tecmo_spr_device::gaiden_draw_sprites( screen_device &screen, gfxdecode_devi
UINT32 priority = (attributes >> 6) & 3;
// hack for spbactn which still calls us multi-pass (and uses different bits into the mixer as priority?)
if (pri_hack != -1)
if (pri_hack >= 0)
{
int alt_pri;
alt_pri = (source[0] & 0x0030)>>4;
if (alt_pri != pri_hack)
{
source -= 8;
source += sourceinc;
continue;
}
}
@ -253,7 +266,7 @@ int tecmo_spr_device::gaiden_draw_sprites( screen_device &screen, gfxdecode_devi
drawn++;
}
source -= 8;
source += sourceinc;
}
return drawn;