diff options
| author | Ben Skeggs <[email protected]> | 2010-02-16 15:43:51 +1000 |
|---|---|---|
| committer | Ben Skeggs <[email protected]> | 2010-02-16 15:57:59 +1000 |
| commit | 828f545274a6da9b5d05aa23ae31959b121c38a2 (patch) | |
| tree | c324d076f82e9fd910fd3540bc4d52d5d0bbad60 /src/gallium/drivers/nv50/nv50_vbo.c | |
| parent | c6e63f3cc235b2d7b06664a493584671a2493045 (diff) | |
nv50: use hw idx buffers where we can
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_vbo.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_vbo.c | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/src/gallium/drivers/nv50/nv50_vbo.c b/src/gallium/drivers/nv50/nv50_vbo.c index 7a2618d2a3a..1c8ee0b9adf 100644 --- a/src/gallium/drivers/nv50/nv50_vbo.c +++ b/src/gallium/drivers/nv50/nv50_vbo.c @@ -673,8 +673,6 @@ nv50_draw_elements(struct pipe_context *pipe, struct pipe_screen *pscreen = pipe->screen; void *map; - map = pipe_buffer_map(pscreen, indexBuffer, PIPE_BUFFER_USAGE_CPU_READ); - nv50_state_validate(nv50); BEGIN_RING(chan, tesla, 0x142c, 1); @@ -685,14 +683,35 @@ nv50_draw_elements(struct pipe_context *pipe, BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1); OUT_RING (chan, nv50_prim(mode)); - nv50_draw_elements_inline(nv50, map, indexSize, start, count); + if (!nv50->vbo_fifo && indexSize == 4) { + BEGIN_RING(chan, tesla, NV50TCL_VB_ELEMENT_U32 | 0x30000, 0); + OUT_RING (chan, count); + nouveau_pushbuf_submit(chan, nouveau_bo(indexBuffer), + start << 2, count << 2); + } else + if (!nv50->vbo_fifo && indexSize == 2) { + unsigned vb_start = (start & ~1); + unsigned vb_end = (start + count + 1) & ~1; + unsigned dwords = (vb_end - vb_start) >> 1; + + BEGIN_RING(chan, tesla, NV50TCL_VB_ELEMENT_U16_SETUP, 1); + OUT_RING (chan, ((start & 1) << 31) | count); + BEGIN_RING(chan, tesla, NV50TCL_VB_ELEMENT_U16 | 0x30000, 0); + OUT_RING (chan, dwords); + nouveau_pushbuf_submit(chan, nouveau_bo(indexBuffer), + vb_start << 1, dwords << 2); + BEGIN_RING(chan, tesla, NV50TCL_VB_ELEMENT_U16_SETUP, 1); + OUT_RING (chan, 0); + } else { + map = pipe_buffer_map(pscreen, indexBuffer, + PIPE_BUFFER_USAGE_CPU_READ); + nv50_draw_elements_inline(nv50, map, indexSize, start, count); + nv50_unmap_vbufs(nv50); + pipe_buffer_unmap(pscreen, indexBuffer); + } BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1); OUT_RING (chan, 0); - - nv50_unmap_vbufs(nv50); - - pipe_buffer_unmap(pscreen, indexBuffer); } static INLINE boolean |