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ref_soft: Merge kernel texture filter

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This commit is contained in:
mittorn 2019-03-22 23:58:43 +07:00
parent e7785c9ccb
commit 842a15ee45
3 changed files with 60 additions and 14 deletions
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1
r_local.h
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@ -1195,6 +1195,7 @@ extern cvar_t *sw_reportedgeout;
extern cvar_t *sw_stipplealpha; extern cvar_t *sw_stipplealpha;
extern cvar_t *sw_surfcacheoverride; extern cvar_t *sw_surfcacheoverride;
extern cvar_t *sw_waterwarp; extern cvar_t *sw_waterwarp;
extern cvar_t *sw_texfilt;
extern vec3_t modelorg; extern vec3_t modelorg;
extern vec3_t r_origin; extern vec3_t r_origin;

3
r_main.c
View File

@ -83,6 +83,7 @@ cvar_t *sw_reportsurfout;
cvar_t *sw_stipplealpha; cvar_t *sw_stipplealpha;
cvar_t *sw_surfcacheoverride; cvar_t *sw_surfcacheoverride;
cvar_t *sw_waterwarp; cvar_t *sw_waterwarp;
cvar_t *sw_texfilt;
cvar_t *r_drawworld; cvar_t *r_drawworld;
cvar_t *r_drawentities; cvar_t *r_drawentities;
@ -1654,7 +1655,7 @@ qboolean R_Init()
sw_surfcacheoverride = gEngfuncs.Cvar_Get ("sw_surfcacheoverride", "0", 0, ""); sw_surfcacheoverride = gEngfuncs.Cvar_Get ("sw_surfcacheoverride", "0", 0, "");
sw_waterwarp = gEngfuncs.Cvar_Get ("sw_waterwarp", "1", 0, ""); sw_waterwarp = gEngfuncs.Cvar_Get ("sw_waterwarp", "1", 0, "");
sw_mode = gEngfuncs.Cvar_Get( "sw_mode", "0", FCVAR_ARCHIVE, ""); sw_mode = gEngfuncs.Cvar_Get( "sw_mode", "0", FCVAR_ARCHIVE, "");
sw_texfilt = gEngfuncs.Cvar_Get ("sw_texfilt", "0", 0, "texture dither");
//r_lefthand = ri.Cvar_Get( "hand", "0", FCVAR_USERINFO | FCVAR_ARCHIVE ); //r_lefthand = ri.Cvar_Get( "hand", "0", FCVAR_USERINFO | FCVAR_ARCHIVE );
// r_speeds = ri.Cvar_Get ("r_speeds", "0", 0); // r_speeds = ri.Cvar_Get ("r_speeds", "0", 0);

48
r_scan.c
View File

@ -391,6 +391,20 @@ void NonTurbulent8 (espan_t *pspan)
#if !id386 #if !id386
int kernel[2][2][2] =
{
{
{16384,0},
{49152,32768}
}
,
{
{32768,49152},
{0,16384}
}
};
/* /*
============= =============
D_DrawSpans16 D_DrawSpans16
@ -511,15 +525,45 @@ void D_DrawSpans16 (espan_t *pspan)
} }
} }
// Drawing phrase
if (sw_texfilt->value == 0.0f)
{
do do
{ {
*pdest++ = *(pbase + (s >> 16) + (t >> 16) * cachewidth); *pdest++ = *(pbase + (s >> 16) + (t >> 16) * cachewidth);
s += sstep; s += sstep;
t += tstep; t += tstep;
} while (--spancount > 0); } while (--spancount > 0);
}
else if (sw_texfilt->value == 1.0f)
{
do
{
int idiths = s;
int iditht = t;
int X = (pspan->u + spancount) & 1;
int Y = (pspan->v)&1;
//Using the kernel
idiths += kernel[X][Y][0];
iditht += kernel[X][Y][1];
idiths = idiths >> 16;
idiths = idiths ? idiths -1 : idiths;
iditht = iditht >> 16;
iditht = iditht ? iditht -1 : iditht;
*pdest++ = *(pbase + idiths + iditht * cachewidth);
s += sstep;
t += tstep;
} while (--spancount > 0);
}
s = snext;
t = tnext;
} while (count > 0); } while (count > 0);