Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-23 08:49:55 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

better transparent pen handling

Browse Source
This commit is contained in:
David Haywood 2013-02-24 01:49:03 +00:00
parent d97af81131
commit 97688a21f4
1 changed files with 19 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/mame/drivers/coolridr.c
View File

@ -550,6 +550,8 @@ UINT32 coolridr_state::screen_update_coolridr(screen_device &screen, bitmap_rgb3
base_offset = which * 0x20000;
m_color = which * 2;
// drawgfx was a lot faster, and I think can handle what we need, even if there
// are RGB effects I think it will be cheaper to manipulate the palette...
for(ydst=cliprect.min_y;ydst<=cliprect.max_y;ydst++)
{
for(xdst=cliprect.min_x;xdst<=cliprect.max_x;xdst++)
@ -596,11 +598,13 @@ UINT32 coolridr_state::screen_update_coolridr(screen_device &screen, bitmap_rgb3
if (which==0)
{
copybitmap_trans(bitmap, m_screen1_bitmap, 0, 0, 0, 0, cliprect, 0);
// will probably need a custom function
copybitmap_trans(bitmap, m_screen1_bitmap, 0, 0, 0, 0, cliprect, 0xff000000);
}
else
{
copybitmap_trans(bitmap, m_screen2_bitmap, 0, 0, 0, 0, cliprect, 0);
// will probably need a custom function
copybitmap_trans(bitmap, m_screen2_bitmap, 0, 0, 0, 0, cliprect, 0xff000000);
}
return 0;
@ -689,10 +693,9 @@ of each rom ... ROM 1 + 2 gives the full palette data for each pixel, in even/od
TODO: fix anything that isn't text.
*/
// because of our copy bitmap any black pens get removed.. obviously this is wrong
#define DRAW_PIX \
if (pix&0x7fff) \
if (pix != 0x8000) \
{ \
if (object->zpri < zline[drawx]) \
{ \
@ -706,6 +709,13 @@ TODO: fix anything that isn't text.
} \
} \
} \
else \
{ \
/* some alpha sprites have 0x8000 set */ \
/* but some regular ones text do too? */ \
/* how do we tell the difference between them? */ \
/* how would you have a black 0x0000 in an alpha sprite?? */ \
} \
//object->rearranged_16bit_gfx
@ -1063,7 +1073,7 @@ void *coolridr_state::draw_tile_row_threaded(void *param, int threadid)
UINT16 compdata = expanded_10bit_gfx[ (b3romoffset) + spriteNumber + i];
if (((compdata & 0x300) == 0x000) || ((compdata & 0x300) == 0x100))
if (((compdata & 0x300) == 0x000) || ((compdata & 0x300) == 0x100)) // 3bpp
{
// mm ccrr rrr0
int encodelength = (compdata & 0x03e)>>1;
@ -1073,14 +1083,14 @@ void *coolridr_state::draw_tile_row_threaded(void *param, int threadid)
// 00120 (00000024,0) | 010 03f
if (compdata&1) encodelength = 255;
while (data_written<256 && encodelength >=0)
while (data_written<256 && encodelength >=0) // 6bpp
{
tempshape[data_written] = rearranged_16bit_gfx[color_offs + rledata];
encodelength--;
data_written++;
}
}
else if ((compdata & 0x300) == 0x200)
else if ((compdata & 0x300) == 0x200) // 8bpp
{
// mm cccc ccrr
int encodelength = (compdata & 0x003);
@ -1718,7 +1728,7 @@ WRITE32_MEMBER(coolridr_state::sysh1_fb_data_w)
{
osd_work_queue_wait(m_work_queue[0], osd_ticks_per_second() * 100);
copybitmap(m_screen1_bitmap, m_temp_bitmap_sprites[i], 0, 0, 0, 0, visarea);
m_temp_bitmap_sprites[i].fill(0, visarea);
m_temp_bitmap_sprites[i].fill(0xff000000, visarea);
m_zbuffer_bitmap.fill(0xffff, visarea);
}
@ -1726,7 +1736,7 @@ WRITE32_MEMBER(coolridr_state::sysh1_fb_data_w)
{
osd_work_queue_wait(m_work_queue[1], osd_ticks_per_second() * 100);
copybitmap(m_screen2_bitmap, m_temp_bitmap_sprites2[i], 0, 0, 0, 0, visarea);
m_temp_bitmap_sprites2[i].fill(0, visarea);
m_temp_bitmap_sprites2[i].fill(0xff000000, visarea);
m_zbuffer_bitmap2.fill(0xffff, visarea);
}