sped up nexuiz rtlights benchmark by 4% by optimizing box cull on models to skip...

[xonotic/darkplaces.git] / gl_models.c

diff --git a/gl_models.c b/gl_models.c
index f2d8b3a746cbf0b9b887eb9084f5a523d884d3dc..c5f20054efb4450a2b873f56192d188591d28038 100644 (file)
--- a/gl_models.c
+++ b/gl_models.c
@@ -190,11 +190,21 @@ void R_Model_Alias_Draw(entity_render_t *ent)
 void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius)
 {
        int meshnum;
+       vec3_t lightmins, lightmaxs;
        aliasmesh_t *mesh;
        aliasskin_t *skin;
        float projectdistance, *vertex3f;
        if (!(ent->flags & RENDER_SHADOW))
                return;
+       lightmins[0] = relativelightorigin[0] - lightradius;
+       lightmins[1] = relativelightorigin[1] - lightradius;
+       lightmins[2] = relativelightorigin[2] - lightradius;
+       lightmaxs[0] = relativelightorigin[0] + lightradius;
+       lightmaxs[1] = relativelightorigin[1] + lightradius;
+       lightmaxs[2] = relativelightorigin[2] + lightradius;
+       // check the box in modelspace, it was already checked in worldspace
+       if (!BoxesOverlap(ent->model->normalmins, ent->model->normalmaxs, lightmins, lightmaxs))
+               return;
        projectdistance = lightradius + ent->model->radius;// - sqrt(DotProduct(relativelightorigin, relativelightorigin));
        if (projectdistance > 0.1)
        {
@@ -211,7 +221,10 @@ void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightor
                                vertex3f = varray_vertex3f;
                                Mod_Alias_GetMesh_Vertex3f(ent->model, ent->frameblend, mesh, vertex3f);
                        }
-                       R_Shadow_VolumeFromSphere(mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_element3i, mesh->data_neighbor3i, relativelightorigin, projectdistance, lightradius);
+                       // identify lit faces within the bounding box
+                       R_Shadow_PrepareShadowMark(mesh->num_triangles);
+                       R_Shadow_MarkVolumeFromBox(0, mesh->num_triangles, vertex3f, mesh->data_element3i, relativelightorigin, lightmins, lightmaxs, ent->model->normalmins, ent->model->normalmaxs);
+                       R_Shadow_VolumeFromList(mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_element3i, mesh->data_neighbor3i, relativelightorigin, projectdistance, numshadowmark, shadowmarklist);
                }
        }
 }