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Haze: a better fix, last one wasn't quite right unfortunately (no whatsnew)

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This commit is contained in:
Miodrag Milanovic 2011-10-12 13:36:19 +00:00
parent 4c49649068
commit 6c007e2a22
1 changed files with 12 additions and 5 deletions
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17
src/mame/drivers/cavesh3.c
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@ -227,9 +227,9 @@ INLINE void clr_mul_fixed(clr_t *clr, const UINT8 val, const clr_t *clr0)
INLINE void clr_mul_fixed_rev(clr_t *clr, const UINT8 val, const clr_t *clr0) INLINE void clr_mul_fixed_rev(clr_t *clr, const UINT8 val, const clr_t *clr0)
{ {
clr->r = cavesh3_colrtable_rev[(clr0->r)][val]; clr->r = cavesh3_colrtable_rev[val][(clr0->r)];
clr->g = cavesh3_colrtable_rev[(clr0->g)][val]; clr->g = cavesh3_colrtable_rev[val][(clr0->g)];
clr->b = cavesh3_colrtable_rev[(clr0->b)][val]; clr->b = cavesh3_colrtable_rev[val][(clr0->b)];
} }
INLINE void clr_copy(clr_t *clr, const clr_t *clr0) INLINE void clr_copy(clr_t *clr, const clr_t *clr0)
@ -2640,6 +2640,13 @@ INLINE void cavesh_gfx_draw(address_space &space, offs_t *addr)
tinted = 1; tinted = 1;
*/ */
// surprisingly frequent, need to verify if it produces a worthwhile speedup tho.
if ((s_mode==0 && s_alpha==0x1f) && (d_mode==4 && d_alpha==0x1f))
blend = 0;
//printf("smode %d dmode %d\n", s_mode, d_mode);
if (!flipx) if (!flipx)
{ {
if (trans) if (trans)
@ -3363,8 +3370,8 @@ static MACHINE_RESET( cavesh3 )
cavesh3_colrtable[x][y] = (x*y) / 0x1f; cavesh3_colrtable[x][y] = (x*y) / 0x1f;
if (cavesh3_colrtable[x][y]>0x1f) cavesh3_colrtable[x][y] = 0x1f; if (cavesh3_colrtable[x][y]>0x1f) cavesh3_colrtable[x][y] = 0x1f;
cavesh3_colrtable_rev[x][y^0x1f] = (x*y) / 0x1f; cavesh3_colrtable_rev[x^0x1f][y] = (x*y) / 0x1f;
if (cavesh3_colrtable_rev[x][y^0x1f]>0x1f) cavesh3_colrtable_rev[x][y^0x1f] = 0x1f; if (cavesh3_colrtable_rev[x^0x1f][y]>0x1f) cavesh3_colrtable_rev[x^0x1f][y] = 0x1f;
} }
} }