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Better anisotropic filtering support

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@1878 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Lance 2006-01-16 06:22:18 +00:00
parent dc53b0aae4
commit e713a9b5ab
1 changed files with 22 additions and 21 deletions
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31
engine/gl/gl_draw.c
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@ -576,8 +576,6 @@ glmode_t modes[] = {
{"GL_LINEAR_MIPMAP_LINEAR", "ll", GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR} {"GL_LINEAR_MIPMAP_LINEAR", "ll", GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR}
}; };
// Control the anisotropy filtering. ~ Moodles
void GLDraw_Anisotropy_f (void) void GLDraw_Anisotropy_f (void)
{ {
gltexture_t *glt; gltexture_t *glt;
@ -586,44 +584,47 @@ void GLDraw_Anisotropy_f (void)
if (!gl_config.ext_texture_filter_anisotropic) if (!gl_config.ext_texture_filter_anisotropic)
{ {
Con_Printf("Ignoring anisotropy (not supported)\n"); Con_Printf("Anisotropic Filtering: NOT SUPPORTED\n");
return; return;
} }
qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_anisotropy_factor_max); // im lazy qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_anisotropy_factor_max);
arg = Cmd_Argv(1); arg = Cmd_Argv(1);
param = atoi(arg); // I know this isn't gcc compatible, but im no lunix programmer so someone can fix it param = atoi(arg);
if (Cmd_Argc() == 1) if (Cmd_Argc() == 1)
{ {
Con_Printf("Maximum filtering factor: %d\n",gl_anisotropy_factor_max);
Con_Printf("0 & 1 = off, 2+ = on\n");
//insert code that detects if user has forced AF through drivers //insert code that detects if user has forced AF through drivers
//because it has no effect if it is forced //because it has no effect if it is forced
if ((gl_anisotropy_factor == 0) || (gl_anisotropy_factor == 1)) if (gl_anisotropy_factor == 1)
{ {
Con_Printf("Anisotropic Filtering Factor: off\n"); Con_Printf("Anisotropic Filtering: 1 (OFF) (Maximum: %dx)\n",gl_anisotropy_factor_max);
} }
else else
{ {
Con_Printf("Current Anisotopic Filtering Factor: %d\n",gl_anisotropy_factor); Con_Printf("Anisotropic Filtering: %dx (Maximum: %dx)\n",gl_anisotropy_factor,gl_anisotropy_factor_max);
} }
return; return;
} }
if (param == 0) // Nvidia says GL Error when this is 0, ATI doesn't. 1 = off anyway.
param = 1;
if ((fmod(param,2.0f) != 0.0f) && (param != 1)) // anisotropic filtering works in factors of 2
param = param+1;
if (param > gl_anisotropy_factor_max) if (param > gl_anisotropy_factor_max)
{
Con_Printf("Maximum filtering factor: %d, set to %d, ignoring %d\n",gl_anisotropy_factor_max,gl_anisotropy_factor_max,param);
param = gl_anisotropy_factor_max; param = gl_anisotropy_factor_max;
}
gl_anisotropy_factor = param; gl_anisotropy_factor = param;
Con_Printf("Attempting to set Anisotopic Filtering factor: %d\n",gl_anisotropy_factor); if (param == 1)
Con_Printf("Anisotropic Filtering: %d (OFF) (Maximum: %dx)\n",gl_anisotropy_factor,gl_anisotropy_factor_max);
else
Con_Printf("Anisotropic Filtering: %dx (Maximum: %dx)\n",gl_anisotropy_factor,gl_anisotropy_factor_max);
/* change all the existing max anisotropy settings */ /* change all the existing max anisotropy settings */
for (glt = gltextures; glt ; glt = glt->next) //redo anisotropic filtering when map is changed for (glt = gltextures; glt ; glt = glt->next) //redo anisotropic filtering when map is changed