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Moogly's fix for N64 texture clamping.

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This commit is contained in:
R. Belmont 2008-01-05 20:46:15 +00:00
parent c9554cb8e1
commit 26f4b001c5
1 changed files with 25 additions and 18 deletions
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27
src/mame/video/n64.c
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@ -1011,15 +1011,21 @@ do \
\
/* bilinear */ \
\
sss1 = (SSS >> 10) - (tsl >> 2); \
sss1 = SSS >> 10; \
sss2 = sss1 + 1; \
\
sst1 = (SST >> 10) - (ttl >> 2); \
sst1 = SST >> 10; \
sst2 = sst1 + 1; \
\
CLAMP(sss1, sst1); \
CLAMP(sss2, sst2); \
\
sss1 -= tsl >> 2; \
sss2 -= tsl >> 2; \
\
sst1 -= ttl >> 2; \
sst2 -= ttl >> 2; \
\
FETCH_TEXEL(&t0, sss1, sst1, twidth, tformat, tsize, tbase); \
FETCH_TEXEL(&t1, sss2, sst1, twidth, tformat, tsize, tbase); \
FETCH_TEXEL(&t2, sss1, sst2, twidth, tformat, tsize, tbase); \
@ -1040,14 +1046,17 @@ do \
else \
{ \
int sss1, sst1; \
sss1 = (SSS >> 10) - (tsl >> 2); \
sss1 = SSS >> 10; \
if ((SSS & 0x3ff) >= 0x200) sss1++; \
\
sst1 = (SST >> 10) - (ttl >> 2); \
sst1 = SST >> 10; \
if ((SST & 0x3ff) >= 0x200) sst1++; \
\
CLAMP(sss1, sst1); \
\
sss1 -= tsl >> 2; \
sst1 -= ttl >> 2; \
\
/* point sample */ \
FETCH_TEXEL(&TEX, sss1, sst1, twidth, tformat, tsize, tbase); \
} \
@ -1185,9 +1194,8 @@ static void texture_rectangle_16bit(TEX_RECTANGLE *rect)
tsize = tile[rect->tilenum].size;
tbase = tile[rect->tilenum].tmem;
// FIXME?: clamping breaks at least Rampage World Tour
clamp_t = 0; //tile[rect->tilenum].ct;
clamp_s = 0; //tile[rect->tilenum].cs;
clamp_t = tile[rect->tilenum].ct;
clamp_s = tile[rect->tilenum].cs;
mirror_t = tile[rect->tilenum].mt;
mirror_s = tile[rect->tilenum].ms;
@ -1566,9 +1574,8 @@ static void texture_rectangle_32bit(TEX_RECTANGLE *rect)
tsize = tile[rect->tilenum].size;
tbase = tile[rect->tilenum].tmem;
// FIXME?: clamping breaks at least Rampage World Tour
clamp_t = 0; //tile[rect->tilenum].ct;
clamp_s = 0; //tile[rect->tilenum].cs;
clamp_t = tile[rect->tilenum].ct;
clamp_s = tile[rect->tilenum].cs;
mirror_t = tile[rect->tilenum].mt;
mirror_s = tile[rect->tilenum].ms;