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minor optimizations to VDP rendering code (bis)

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This commit is contained in:
ekeeke31 2009-11-09 12:26:49 +00:00
parent 6ff42f4252
commit 7d72dfc687
1 changed files with 34 additions and 12 deletions
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46
source/render.c
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@ -999,8 +999,11 @@ static void render_bg(uint32 line, uint32 width)
atbuf = nt[(index-1) & pf_col_mask];
DRAW_COLUMN(atbuf, v_line)
}
else
{
dst = (uint32 *)&buf[0x20];
}
dst = (uint32 *)&buf[0x20 + shift];
for(column = 0; column < end; column ++, index ++)
{
atbuf = nt[index & pf_col_mask];
@ -1056,8 +1059,11 @@ static void render_bg(uint32 line, uint32 width)
DRAW_COLUMN(atbuf, v_line)
}
else
{
dst = (uint32 *)&buf[0x20 + (start<<4)];
}
dst = (uint32 *)&buf[0x20 + shift + (start<<4)];
for(column = start; column < end; column ++, index ++)
{
atbuf = nt[index & pf_col_mask];
@ -1087,6 +1093,7 @@ static void render_bg(uint32 line, uint32 width)
static void render_bg_vs(uint32 line, uint32 width)
{
uint32 column, atex, atbuf, *src, *dst;
uint32 v_line, *nt;
/* common data */
uint32 xscroll = get_hscroll(line);
@ -1108,8 +1115,6 @@ static void render_bg_vs(uint32 line, uint32 width)
uint32 index = pf_col_mask + 1 - ((xscroll >> 4) & pf_col_mask);
#endif
uint32 v_line, *nt;
if(shift)
{
dst = (uint32 *)&buf[0x10 + shift];
@ -1125,8 +1130,11 @@ static void render_bg_vs(uint32 line, uint32 width)
atbuf = nt[(index-1) & pf_col_mask];
DRAW_COLUMN(atbuf, v_line)
}
else
{
dst = (uint32 *)&buf[0x20];
}
dst = (uint32 *)&buf[0x20 + shift];
for(column = 0; column < end; column ++, index ++)
{
#ifdef LSB_FIRST
@ -1193,8 +1201,11 @@ static void render_bg_vs(uint32 line, uint32 width)
DRAW_COLUMN(atbuf, v_line)
}
else
{
dst = (uint32 *)&buf[0x20 + (start<<4)];
}
dst = (uint32 *)&buf[0x20 + shift + (start<<4)];
for(column = start; column < end; column ++, index ++)
{
#ifdef LSB_FIRST
@ -1263,8 +1274,11 @@ static void render_bg_im2(uint32 line, uint32 width, uint32 odd)
atbuf = nt[(index-1) & pf_col_mask];
DRAW_COLUMN_IM2(atbuf, v_line)
}
else
{
dst = (uint32 *)&buf[0x20];
}
dst = (uint32 *)&buf[0x20 + shift];
for(column = 0; column < end; column ++, index ++)
{
atbuf = nt[index & pf_col_mask];
@ -1318,8 +1332,11 @@ static void render_bg_im2(uint32 line, uint32 width, uint32 odd)
DRAW_COLUMN_IM2(atbuf, v_line)
}
else
{
dst = (uint32 *)&buf[0x20 + (start<<4)];
}
dst = (uint32 *)&buf[0x20 + shift + (start<<4)];
for(column = start; column < end; column ++, index ++)
{
atbuf = nt[index & pf_col_mask];
@ -1348,6 +1365,7 @@ static void render_bg_im2(uint32 line, uint32 width, uint32 odd)
static void render_bg_im2_vs(uint32 line, uint32 width, uint32 odd)
{
uint32 column, atex, atbuf, offs, *src, *dst;
uint32 v_line, *nt;
/* common data */
uint32 xscroll = get_hscroll(line);
@ -1369,8 +1387,6 @@ static void render_bg_im2_vs(uint32 line, uint32 width, uint32 odd)
uint32 index = pf_col_mask + 1 - ((xscroll >> 4) & pf_col_mask);
#endif
uint32 v_line, *nt;
if(shift)
{
dst = (uint32 *)&buf[0x10 + shift];
@ -1386,8 +1402,11 @@ static void render_bg_im2_vs(uint32 line, uint32 width, uint32 odd)
atbuf = nt[(index-1) & pf_col_mask];
DRAW_COLUMN_IM2(atbuf, v_line)
}
else
{
dst = (uint32 *)&buf[0x20];
}
dst = (uint32 *)&buf[0x20 + shift];
for(column = 0; column < end; column ++, index ++)
{
#ifdef LSB_FIRST
@ -1452,8 +1471,11 @@ static void render_bg_im2_vs(uint32 line, uint32 width, uint32 odd)
DRAW_COLUMN_IM2(atbuf, v_line)
}
else
{
dst = (uint32 *)&buf[0x20 + (start<<4)];
}
dst = (uint32 *)&buf[0x20 + shift + (start<<4)];
for(column = start; column < end; column ++, index ++)
{
#ifdef LSB_FIRST