diff options
| author | Brian <brian.paul@tungstengraphics.com> | 2008-01-28 18:03:45 -0700 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2008-01-28 18:18:46 -0700 |
| commit | e2406b47883d74933e74507af65695c8c7d7861a (patch) | |
| tree | e18e46fcda82ef5576121b761c14a3ec1a64e5c0 /src/mesa/pipe/cell/spu | |
| parent | 25105276b38451439516928d188e07f2eb3e250e (diff) | |
Cell: compute min index referenced in draw command, use it to reduce size of vertex data payload
Diffstat (limited to 'src/mesa/pipe/cell/spu')
| -rw-r--r-- | src/mesa/pipe/cell/spu/spu_main.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/mesa/pipe/cell/spu/spu_main.c b/src/mesa/pipe/cell/spu/spu_main.c index 5a5b17dd89..3c9efb4741 100644 --- a/src/mesa/pipe/cell/spu/spu_main.c +++ b/src/mesa/pipe/cell/spu/spu_main.c @@ -253,7 +253,7 @@ cmd_render(const struct cell_command_render *render, uint *pos_incr) /* we'll DMA into these buffers */ ubyte vertex_data[CELL_BUFFER_SIZE] ALIGN16_ATTRIB; const uint vertex_size = render->vertex_size; /* in bytes */ - const uint total_vertex_bytes = render->num_verts * vertex_size; + /*const*/ uint total_vertex_bytes = render->num_verts * vertex_size; const ubyte *vertices; const ushort *indexes; uint i, j; @@ -289,9 +289,21 @@ cmd_render(const struct cell_command_render *render, uint *pos_incr) } else { /* Begin DMA fetch of vertex buffer */ - void *src = spu.init.buffers[render->vertex_buf]; - mfc_get(vertex_data, /* dest */ - (unsigned int) src, + ubyte *src = spu.init.buffers[render->vertex_buf]; + ubyte *dest = vertex_data; + + /* skip vertex data we won't use */ +#if 01 + src += render->min_index * vertex_size; + dest += render->min_index * vertex_size; + total_vertex_bytes -= render->min_index * vertex_size; +#endif + ASSERT(total_vertex_bytes % 16 == 0); + ASSERT_ALIGN16(dest); + ASSERT_ALIGN16(src); + + mfc_get(dest, /* in vertex_data[] array */ + (unsigned int) src, /* src in main memory */ total_vertex_bytes, /* size */ TAG_VERTEX_BUFFER, 0, /* tid */ |