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Change highpal maps to 6-bit and add corresponding scale and bias to bypass linear interpolation around the borders.

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git-svn-id: https://svn.eduke32.com/eduke32@1783 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
plagman 2011-01-27 07:57:52 +00:00
parent 87b71fd3da
commit 32d58b3839
2 changed files with 14 additions and 4 deletions
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4
polymer/eduke32/build/include/polymer.h
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@ -157,7 +157,9 @@ typedef struct s_prrograminfo {
} _prprograminfo;
#define PR_INFO_LOG_BUFFER_SIZE 8192
#define PR_HIGHPALOOKUP_BIT_DEPTH 7
// Think about changing highPal[Scale|Bias] in the program bit if you change this
#define PR_HIGHPALOOKUP_BIT_DEPTH 6
#define PR_HIGHPALOOKUP_DIM (1 << PR_HIGHPALOOKUP_BIT_DEPTH)
#define PR_HIGHPALOOKUP_DATA_SIZE (4 * PR_HIGHPALOOKUP_DIM * \
PR_HIGHPALOOKUP_DIM * \

14
polymer/eduke32/build/src/polymer.c
View file

@ -319,9 +319,12 @@ _prprogrambit prprogrambits[PR_BIT_COUNT] = {
"uniform sampler3D highPalookupMap;\n"
"\n",
// frag_prog
" float highPalScale = 0.9921875; // for 6 bits\n"
" float highPalBias = 0.00390625;\n"
"\n"
" if (isLightingPass == 0)\n"
" result.rgb = texture3D(highPalookupMap, result.rgb).rgb;\n"
" diffuseTexel.rgb = texture3D(highPalookupMap, diffuseTexel.rgb).rgb;\n"
" result.rgb = texture3D(highPalookupMap, result.rgb * highPalScale + highPalBias).rgb;\n"
" diffuseTexel.rgb = texture3D(highPalookupMap, diffuseTexel.rgb * highPalScale + highPalBias).rgb;\n"
"\n",
},
{
@ -3988,6 +3991,10 @@ static void polymer_drawmdsprite(spritetype *tspr)
foundpalskin = 1;
}
// If we have a global palette tint, the palskin won't do us any good
if (curbasepal)
foundpalskin = 0;
if (!foundpalskin && usinghighpal) {
// We don't have a specific skin defined for this palette
// Use the base skin instead and plug in our highpalookup map
@ -4181,7 +4188,8 @@ static void polymer_getbuildmaterial(_prmaterial* material, int16_t tile
// PR_BIT_HIGHPALOOKUP_MAP
if (pr_highpalookups && prhighpalookups[curbasepal][pal].map &&
hicfindsubst(tilenum, 0, 0) && (hicfindsubst(tilenum, pal, 0)->palnum != pal))
hicfindsubst(tilenum, 0, 0) &&
(curbasepal || (hicfindsubst(tilenum, pal, 0)->palnum != pal)))
{
material->highpalookupmap = prhighpalookups[curbasepal][pal].map;
pal = 0;