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Experimental occlusion culling

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This commit is contained in:
cholleme 2003-05-04 21:51:30 +00:00
parent db8e131ae5
commit a72f031c41
1 changed files with 14 additions and 0 deletions
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14
gl_common.c
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@ -78,6 +78,10 @@ GLfloat gl_textureanisotropylevel = 2.0f;
// <AWE> On MacOSX X we use this var to store the state. 0 = off, 1 = on.
//cvar_t gl_anisotropic = { "gl_anisotropic", "0", 1 };
qboolean gl_occlusiontest = false;
occlusion_cut_meshes;
occlusion_cut_entities;
occlusion_cut_lights;
unsigned short d_8to16table[256];
unsigned d_8to24table[256];
@ -487,6 +491,14 @@ void CheckTextureCompressionExtension(void)
}
}
void CheckOcclusionTest(void)
{
if (strstr(gl_extensions, "GL_HP_occlusion_test") )
{
Con_Printf("Occlusion test available\n");
gl_occlusiontest = true;
}
}
/*
===============
GL_Init
@ -544,6 +556,8 @@ void GL_Init (void)
CheckAnisotropicExtension ();
Con_Printf ("Checking TC\n");
CheckTextureCompressionExtension ();
Con_Printf ("checking OT\n");
CheckOcclusionTest();
//if something goes wrong here throw an sys_error as we don't want to end up
//having invalid function pointers called...