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Fog optimization for 32bpp

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This commit is contained in:
jsalmon3 2002-05-20 23:10:40 +00:00
parent 1dacfef8d8
commit 3f5d7aa8d8
1 changed files with 42 additions and 22 deletions

64
src/map/map_fog.cpp
View file

@ -1396,11 +1396,14 @@ global void VideoDraw32Fog32Alpha(const GraphicData* data,int x,int y)
VMemType32* dp;
int da;
int i, r, g, b, v ;
VMemType32 lasti;
VMemType32 lastrgb;
sp=data;
gp=sp+TileSizeY*TileSizeX;
dp=VideoMemory32+x+y*VideoWidth;
da=VideoWidth;
lasti=0;
while( sp<gp ) {
#undef FOG_SCALE
@ -1414,19 +1417,26 @@ global void VideoDraw32Fog32Alpha(const GraphicData* data,int x,int y)
if (COLOR_FOG_P(sp[x])) { \
i = dp[x]; \
if (i) { \
r=i & 0xff; \
g=(i>>8 ) & 0xff; \
b=(i>>16) & 0xff; \
v=r+g+b; \
if (i == lasti) { \
dp[x] = lastrgb; \
} \
else { \
lasti = i; \
r=i & 0xff; \
g=(i>>8 ) & 0xff; \
b=(i>>16) & 0xff; \
v=r+g+b; \
\
r = FOG_SCALE(r); \
g = FOG_SCALE(g); \
b = FOG_SCALE(b); \
r = FOG_SCALE(r); \
g = FOG_SCALE(g); \
b = FOG_SCALE(b); \
\
r= r<0 ? 0 : r>255 ? 255 : r; \
g= g<0 ? 0 : g>255 ? 255 : g; \
b= b<0 ? 0 : b>255 ? 255 : b; \
dp[x]= (r | (g << 8) | (b << 16)); \
r= r<0 ? 0 : r>255 ? 255 : r; \
g= g<0 ? 0 : g>255 ? 255 : g; \
b= b<0 ? 0 : b>255 ? 255 : b; \
dp[x]= (r | (g << 8) | (b << 16)); \
lastrgb = dp[x]; \
} \
} \
} \
@ -1457,10 +1467,13 @@ global void VideoDraw32OnlyFog32Alpha(const GraphicData* data __attribute__((unu
VMemType32* dp;
int da;
int i, r, g, b, v;
VMemType32 lasti;
VMemType32 lastrgb;
dp=VideoMemory32+x+y*VideoWidth;
gp=dp+VideoWidth*TileSizeY;
da=VideoWidth;
lasti = 0;
while( dp<gp ) {
@ -1474,19 +1487,26 @@ global void VideoDraw32OnlyFog32Alpha(const GraphicData* data __attribute__((unu
#define UNROLL1(x) \
i = dp[x]; \
if (i) { \
r=i & 0xff; \
g=(i>>8 ) & 0xff; \
b=(i>>16) & 0xff; \
v=r+g+b; \
if (i == lasti) { \
dp[x] = lastrgb; \
} \
else { \
lasti = i; \
r=i & 0xff; \
g=(i>>8 ) & 0xff; \
b=(i>>16) & 0xff; \
v=r+g+b; \
\
r = FOG_SCALE(r); \
g = FOG_SCALE(g); \
b = FOG_SCALE(b); \
r = FOG_SCALE(r); \
g = FOG_SCALE(g); \
b = FOG_SCALE(b); \
\
r= r<0 ? 0 : r>255 ? 255 : r; \
g= g<0 ? 0 : g>255 ? 255 : g; \
b= b<0 ? 0 : b>255 ? 255 : b; \
dp[x]= r | (g << 8) | (b << 16); \
r= r<0 ? 0 : r>255 ? 255 : r; \
g= g<0 ? 0 : g>255 ? 255 : g; \
b= b<0 ? 0 : b>255 ? 255 : b; \
dp[x]= r | (g << 8) | (b << 16); \
lastrgb = dp[x]; \
} \
} \
#undef UNROLL2