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Fix visibility in Polymer with r_usenewshading 4.

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Patch from Fox.

git-svn-id: https://svn.eduke32.com/eduke32@6558 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266 2017-12-12 05:14:02 +00:00
parent ae47d2f11d
commit 2f98d759f6
3 changed files with 10 additions and 5 deletions
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7
source/build/src/engine.cpp
View file

@ -7941,7 +7941,7 @@ int32_t drawrooms(int32_t daposx, int32_t daposy, int32_t daposz,
case REND_POLYMOST:
// NOTE: In Polymost, the fragment depth depends on the x screen size!
if (r_usenewshading == 4)
globalvisibility = g_visibility;
globalvisibility = g_visibility * xdimen;
else if (r_usenewshading >= 2)
globalvisibility = scale(g_visibility<<2, xdimen, 1680);
else
@ -7949,7 +7949,10 @@ int32_t drawrooms(int32_t daposx, int32_t daposy, int32_t daposz,
break;
# ifdef POLYMER
case REND_POLYMER:
globalvisibility = g_visibility<<2;
if (r_usenewshading == 4)
globalvisibility = g_visibility;
else
globalvisibility = g_visibility<<2;
break;
# endif
#endif

6
source/build/src/polymer.cpp
View file

@ -1083,7 +1083,7 @@ void polymer_drawrooms(int32_t daposx, int32_t daposy, int32_t da
if (pr_verbosity >= 3) OSD_Printf("PR : Drawing rooms...\n");
// fogcalc needs this
// fogcalc_old needs this
gvisibility = ((float)globalvisibility)*FOGSCALE;
ang = (float)(daang) * (360.f/2048.f);
@ -5265,7 +5265,9 @@ static int32_t polymer_bindmaterial(const _prmaterial *material, int16_t* l
texunit++;
bglUniform1fARB(prprograms[programbits].uniform_shadeOffset, (GLfloat)material->shadeoffset);
bglUniform1fARB(prprograms[programbits].uniform_visibility, globalvisibility/2048.0 * material->visibility);
// the furthest visible point is the same as Polymost, however the fog in Polymer is a sphere insted of a plane
float const visfactor = r_usenewshading == 4 ? 1.f/512.f : 1.f/2048.f;
bglUniform1fARB(prprograms[programbits].uniform_visibility, globalvisibility * visfactor * material->visibility);
}
// PR_BIT_DIFFUSE_MAP

2
source/build/src/polymost.cpp
View file

@ -496,7 +496,7 @@ void calc_and_apply_fog(int32_t tile, int32_t shade, int32_t vis, int32_t pal)
if (((uint8_t)(vis + 16)) > 0 && g_visibility > 0)
{
GLfloat glfogconstant = 262144.f / xdimen;
GLfloat glfogconstant = 262144.f;
GLfloat fogrange = (frealmaxshade * glfogconstant) / (((uint8_t)(vis + 16)) * globalvisibility);
GLfloat normalizedshade = shade / frealmaxshade;
GLfloat fogshade = normalizedshade * fogrange;