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Use some safer offset values for gl_zfix, and default to 0

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(Since it seems to cause unwanted artifacts with some drivers)
This commit is contained in:
svdijk 2013-04-07 19:05:11 +02:00
parent 9def7d908f
commit aae7de19c4
1 changed files with 13 additions and 13 deletions
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26
src/refresh/r_main.c
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@ -789,20 +789,12 @@ R_Clear(void)
gldepthmin = 0;
gldepthmax = 0.49999;
qglDepthFunc(GL_LEQUAL);
if (gl_zfix->value)
{
qglPolygonOffset(0, 14);
}
}
else
{
gldepthmin = 1;
gldepthmax = 0.5;
qglDepthFunc(GL_GEQUAL);
if (gl_zfix->value)
{
qglPolygonOffset(0, -14);
}
}
}
else
@ -819,14 +811,22 @@ R_Clear(void)
gldepthmin = 0;
gldepthmax = 1;
qglDepthFunc(GL_LEQUAL);
if (gl_zfix->value)
{
qglPolygonOffset(0, 14);
}
}
qglDepthRange(gldepthmin, gldepthmax);
if (gl_zfix->value)
{
if (gldepthmax > gldepthmin)
{
qglPolygonOffset(0.05, 1);
}
else
{
qglPolygonOffset(-0.05, -1);
}
}
/* stencilbuffer shadows */
if (gl_shadows->value && have_stencil && gl_stencilshadow->value)
{
@ -1005,7 +1005,7 @@ R_Register(void)
gl_skymip = ri.Cvar_Get("gl_skymip", "0", 0);
gl_showtris = ri.Cvar_Get("gl_showtris", "0", 0);
gl_ztrick = ri.Cvar_Get("gl_ztrick", "0", 0);
gl_zfix = ri.Cvar_Get("gl_zfix", "1", 0);
gl_zfix = ri.Cvar_Get("gl_zfix", "0", 0);
gl_finish = ri.Cvar_Get("gl_finish", "0", CVAR_ARCHIVE);
gl_clear = ri.Cvar_Get("gl_clear", "0", 0);
gl_cull = ri.Cvar_Get("gl_cull", "1", 0);