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enable camera frustum culling for bsp rendering

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asrael 2025-11-10 10:24:27 -06:00
parent 704b14b2a0
commit ac8ab8d60d
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GPG key ID: 2786557804DFAE24
4 changed files with 36 additions and 82 deletions
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7
src/pxl8_bsp.c
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@ -486,6 +486,8 @@ void pxl8_bsp_render_solid(
if (rendered_faces[face_id]) continue;
rendered_faces[face_id] = 1;
if (!face_in_frustum(bsp, face_id, frustum)) continue;
pxl8_bsp_render_face(gfx, bsp, face_id, texture_id);
}
}
@ -500,6 +502,9 @@ void pxl8_bsp_render_wireframe(
) {
if (!gfx || !bsp) return;
const pxl8_frustum* frustum = pxl8_3d_get_frustum(gfx);
if (!frustum) return;
i32 camera_leaf = pxl8_bsp_find_leaf(bsp, camera_pos);
for (u32 leaf_id = 0; leaf_id < bsp->num_leafs; leaf_id++) {
@ -514,6 +519,8 @@ void pxl8_bsp_render_wireframe(
u32 face_id = bsp->marksurfaces[surf_idx];
if (face_id >= bsp->num_faces) continue;
if (!face_in_frustum(bsp, face_id, frustum)) continue;
const pxl8_bsp_face* face = &bsp->faces[face_id];
for (u32 e = 0; e < face->num_edges; e++) {