From 06dac41cc50303fe767041dcb4b2192763dd9c16 Mon Sep 17 00:00:00 2001 From: Christoph Bumiller Date: Tue, 15 Sep 2009 11:49:41 +0200 Subject: nv50: add support for point size per vertex --- src/gallium/drivers/nv50/nv50_program.c | 14 ++++++++++++++ src/gallium/drivers/nv50/nv50_program.h | 1 + 2 files changed, 15 insertions(+) (limited to 'src/gallium/drivers/nv50') diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 8b17ccf1e2..58df4a08dc 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -2056,6 +2056,11 @@ nv50_program_tx_prep(struct nv50_pc *pc) if (p->cfg.io_nr > first) p->cfg.io_nr = first; break; + case TGSI_SEMANTIC_PSIZE: + p->cfg.psiz = first; + if (p->cfg.io_nr > first) + p->cfg.io_nr = first; + break; /* case TGSI_SEMANTIC_CLIP_DISTANCE: p->cfg.clpd = MIN2(p->cfg.clpd, first); @@ -2138,6 +2143,9 @@ nv50_program_tx_prep(struct nv50_pc *pc) if (p->cfg.two_side[c].hw < 0x40) p->cfg.two_side[c] = p->cfg.io[ p->cfg.two_side[c].hw]; + + if (p->cfg.psiz < 0x40) + p->cfg.psiz = p->cfg.io[p->cfg.psiz].hw; } else if (p->type == PIPE_SHADER_FRAGMENT) { int rid, aid; @@ -2289,6 +2297,7 @@ ctor_nv50_pc(struct nv50_pc *pc, struct nv50_program *p) switch (p->type) { case PIPE_SHADER_VERTEX: + p->cfg.psiz = 0x40; p->cfg.clpd = 0x40; p->cfg.io_nr = pc->result_nr; break; @@ -2781,6 +2790,11 @@ nv50_linkage_validate(struct nv50_context *nv50) m = nv50_sreg4_map(map, m, lin, &fp->cfg.io[i], vpo); } + if (nv50->rasterizer->pipe.point_size_per_vertex) { + map[m / 4] |= vp->cfg.psiz << ((m % 4) * 8); + reg[3] = (m++ << 4) | 1; + } + /* now fill the stateobj */ so = so_new(64, 0); diff --git a/src/gallium/drivers/nv50/nv50_program.h b/src/gallium/drivers/nv50/nv50_program.h index 5745e0b1ee..7400ce08fc 100644 --- a/src/gallium/drivers/nv50/nv50_program.h +++ b/src/gallium/drivers/nv50/nv50_program.h @@ -58,6 +58,7 @@ struct nv50_program { /* VP only */ uint8_t clpd, clpd_nr; + uint8_t psiz; } cfg; }; -- cgit v1.2.3