diff options
| author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2011-02-12 19:18:19 +0100 |
|---|---|---|
| committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2011-02-16 15:45:30 +0100 |
| commit | 17d680cc537acf8a967d9e36f7006afab560122a (patch) | |
| tree | f884c241b5059046b2a458cfc79e05dabfc43d80 | |
| parent | bf1ce9c64b3da731bc6073055abc9f3340ac5a17 (diff) | |
nvc0: force vertex data through FIFO if we need to convert it
We may want to put the converted vertex buffer in persistent
storage instead, but these are rare corner cases.
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_stateobj.h | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_vbo.c | 9 |
2 files changed, 9 insertions, 1 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_stateobj.h b/src/gallium/drivers/nvc0/nvc0_stateobj.h index 752e927e2a..5b15e28675 100644 --- a/src/gallium/drivers/nvc0/nvc0_stateobj.h +++ b/src/gallium/drivers/nvc0/nvc0_stateobj.h @@ -67,6 +67,7 @@ struct nvc0_vertex_stateobj { unsigned num_elements; uint32_t instance_elts; uint32_t instance_bufs; + boolean need_conversion; /* e.g. VFETCH cannot convert f64 to f32 */ unsigned vtx_size; unsigned vtx_per_packet_max; struct nvc0_vertex_element element[0]; diff --git a/src/gallium/drivers/nvc0/nvc0_vbo.c b/src/gallium/drivers/nvc0/nvc0_vbo.c index fb135725c3..19fd85273c 100644 --- a/src/gallium/drivers/nvc0/nvc0_vbo.c +++ b/src/gallium/drivers/nvc0/nvc0_vbo.c @@ -60,6 +60,7 @@ nvc0_vertex_state_create(struct pipe_context *pipe, so->num_elements = num_elements; so->instance_elts = 0; so->instance_bufs = 0; + so->need_conversion = FALSE; transkey.nr_elements = 0; transkey.output_stride = 0; @@ -83,6 +84,7 @@ nvc0_vertex_state_create(struct pipe_context *pipe, return NULL; } so->element[i].state = nvc0_format_table[fmt].vtx; + so->need_conversion = TRUE; } so->element[i].state |= i; @@ -263,7 +265,12 @@ nvc0_vertex_arrays_validate(struct nvc0_context *nvc0) struct nvc0_vertex_element *ve; unsigned i; - nvc0_prevalidate_vbufs(nvc0); + if (unlikely(vertex->need_conversion)) { + nvc0->vbo_fifo = ~0; + nvc0->vbo_user = 0; + } else { + nvc0_prevalidate_vbufs(nvc0); + } BEGIN_RING(chan, RING_3D(VERTEX_ATTRIB_FORMAT(0)), vertex->num_elements); for (i = 0; i < vertex->num_elements; ++i) { |