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author | Chia-I Wu <olv@lunarg.com> | 2011-07-20 18:52:33 +0800 |
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committer | Chia-I Wu <olv@lunarg.com> | 2011-07-21 21:20:37 +0800 |
commit | afc160e1c8f87d0a76e41f1100d528d8ab82ecc4 (patch) | |
tree | cfed080fe8d89bf5da31e734f27866ec9e0156c2 /src/gallium/auxiliary | |
parent | 000896c0bb99f356e52854608a29476d3ade387c (diff) | |
download | external_mesa3d-afc160e1c8f87d0a76e41f1100d528d8ab82ecc4.zip external_mesa3d-afc160e1c8f87d0a76e41f1100d528d8ab82ecc4.tar.gz external_mesa3d-afc160e1c8f87d0a76e41f1100d528d8ab82ecc4.tar.bz2 |
u_vbuf_mgr: restore buffer offsets
u_vbuf_upload_buffers modifies the buffer offsets. If they are not
restored, and any of the vertex formats is not supported natively, the
next u_vbuf_mgr_draw_begin call will translate the vertex buffers with
incorrect buffer offsets.
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r-- | src/gallium/auxiliary/util/u_vbuf_mgr.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_vbuf_mgr.c b/src/gallium/auxiliary/util/u_vbuf_mgr.c index 374fc33..19eb689 100644 --- a/src/gallium/auxiliary/util/u_vbuf_mgr.c +++ b/src/gallium/auxiliary/util/u_vbuf_mgr.c @@ -79,6 +79,8 @@ struct u_vbuf_mgr_priv { void *saved_ve, *fallback_ve; boolean ve_binding_lock; + unsigned saved_buffer_offset[PIPE_MAX_ATTRIBS]; + boolean any_user_vbs; boolean incompatible_vb_layout; }; @@ -488,6 +490,7 @@ void u_vbuf_mgr_set_vertex_buffers(struct u_vbuf_mgr *mgrb, pipe_resource_reference(&mgr->b.vertex_buffer[i].buffer, vb->buffer); pipe_resource_reference(&mgr->b.real_vertex_buffer[i], NULL); + mgr->saved_buffer_offset[i] = vb->buffer_offset; if (!vb->buffer) { continue; @@ -647,6 +650,13 @@ u_vbuf_mgr_draw_begin(struct u_vbuf_mgr *mgrb, void u_vbuf_mgr_draw_end(struct u_vbuf_mgr *mgrb) { struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb; + unsigned i; + + /* buffer offsets were modified in u_vbuf_upload_buffers */ + if (mgr->any_user_vbs) { + for (i = 0; i < mgr->b.nr_vertex_buffers; i++) + mgr->b.vertex_buffer[i].buffer_offset = mgr->saved_buffer_offset[i]; + } if (mgr->fallback_ve) { u_vbuf_translate_end(mgr); |