From 5e091b573aa0a0c45f8ff34429f2a9d4198bb80a Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Sat, 16 Feb 2008 21:27:53 +1100 Subject: [PATCH] nv40: ensure scissor gets disabled where necessary Fixes progs/demos/lodbias. Makes a complete mess of things, but now there's a motivation to finish this off :) --- src/gallium/drivers/nv40/nv40_context.h | 19 ++++++- src/gallium/drivers/nv40/nv40_state.c | 23 ++++---- src/gallium/drivers/nv40/nv40_state_emit.c | 65 +++++++++++++++++++++- 3 files changed, 91 insertions(+), 16 deletions(-) diff --git a/src/gallium/drivers/nv40/nv40_context.h b/src/gallium/drivers/nv40/nv40_context.h index f511759e3be..c4523112dbc 100644 --- a/src/gallium/drivers/nv40/nv40_context.h +++ b/src/gallium/drivers/nv40/nv40_context.h @@ -54,6 +54,11 @@ struct nv40_channel_context { struct nouveau_resource *vp_data_heap; }; +struct nv40_rasterizer_state { + struct pipe_rasterizer_state pipe; + struct nouveau_stateobj *so; +}; + struct nv40_context { struct pipe_context pipe; struct nouveau_winsys *nvws; @@ -63,7 +68,8 @@ struct nv40_context { int chipset; - uint32_t dirty; + unsigned dirty; + unsigned hw_dirty; struct nv40_sampler_state *tex_sampler[PIPE_MAX_SAMPLERS]; struct nv40_miptree *tex_miptree[PIPE_MAX_SAMPLERS]; @@ -71,14 +77,23 @@ struct nv40_context { unsigned fp_samplers; unsigned vp_samplers; + struct { + struct pipe_scissor_state scissor; + } pipe_state; + + struct { + unsigned scissor_enabled; + struct nouveau_stateobj *scissor; + } state; + struct nouveau_stateobj *so_framebuffer; struct nouveau_stateobj *so_fragtex[16]; struct nouveau_stateobj *so_vtxbuf; struct nouveau_stateobj *so_blend; + struct nv40_rasterizer_state *rasterizer; struct nouveau_stateobj *so_rast; struct nouveau_stateobj *so_zsa; struct nouveau_stateobj *so_bcol; - struct nouveau_stateobj *so_scissor; struct nouveau_stateobj *so_viewport; struct nouveau_stateobj *so_stipple; diff --git a/src/gallium/drivers/nv40/nv40_state.c b/src/gallium/drivers/nv40/nv40_state.c index 713f31dbb12..bb9b6b139f0 100644 --- a/src/gallium/drivers/nv40/nv40_state.c +++ b/src/gallium/drivers/nv40/nv40_state.c @@ -278,12 +278,12 @@ nv40_rasterizer_state_create(struct pipe_context *pipe, const struct pipe_rasterizer_state *cso) { struct nv40_context *nv40 = nv40_context(pipe); + struct nv40_rasterizer_state *rsso = MALLOC(sizeof(*rsso)); struct nouveau_stateobj *so = so_new(32, 0); /*XXX: ignored: * light_twoside * offset_cw/ccw -nohw - * scissor * point_smooth -nohw * multisample * offset_units / offset_scale @@ -362,24 +362,29 @@ nv40_rasterizer_state_create(struct pipe_context *pipe, so_data(so, 0); } - return (void *)so; + rsso->so = so; + rsso->pipe = *cso; + return (void *)rsso; } static void nv40_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso) { struct nv40_context *nv40 = nv40_context(pipe); + struct nv40_rasterizer_state *rsso = hwcso; - so_ref(hwcso, &nv40->so_rast); + so_ref(rsso->so, &nv40->so_rast); + nv40->rasterizer = rsso; nv40->dirty |= NV40_NEW_RAST; } static void nv40_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso) { - struct nouveau_stateobj *so = hwcso; + struct nv40_rasterizer_state *rsso = hwcso; - so_ref(NULL, &so); + so_ref(NULL, &rsso->so); + free(rsso); } static void * @@ -723,14 +728,8 @@ nv40_set_scissor_state(struct pipe_context *pipe, const struct pipe_scissor_state *s) { struct nv40_context *nv40 = nv40_context(pipe); - struct nouveau_stateobj *so = so_new(3, 0); - so_method(so, nv40->hw->curie, NV40TCL_SCISSOR_HORIZ, 2); - so_data (so, ((s->maxx - s->minx) << 16) | s->minx); - so_data (so, ((s->maxy - s->miny) << 16) | s->miny); - - so_ref(so, &nv40->so_scissor); - so_ref(NULL, &so); + nv40->pipe_state.scissor = *s; nv40->dirty |= NV40_NEW_SCISSOR; } diff --git a/src/gallium/drivers/nv40/nv40_state_emit.c b/src/gallium/drivers/nv40/nv40_state_emit.c index a10c9955480..74306fe22b3 100644 --- a/src/gallium/drivers/nv40/nv40_state_emit.c +++ b/src/gallium/drivers/nv40/nv40_state_emit.c @@ -22,9 +22,68 @@ nv40_state_emit_dummy_relocs(struct nv40_context *nv40) so_emit_reloc_markers(nv40->nvws, nv40->fragprog.active->so); } +static boolean +nv40_state_scissor_validate(struct nv40_context *nv40) +{ + struct pipe_rasterizer_state *rast = &nv40->rasterizer->pipe; + struct pipe_scissor_state *s = &nv40->pipe_state.scissor; + struct nouveau_stateobj *so; + + if (nv40->state.scissor && + (rast->scissor == 0 && nv40->state.scissor_enabled == 0)) + return FALSE; + + so = so_new(3, 0); + so_method(so, nv40->hw->curie, NV40TCL_SCISSOR_HORIZ, 2); + if (rast->scissor) { + so_data (so, ((s->maxx - s->minx) << 16) | s->minx); + so_data (so, ((s->maxy - s->miny) << 16) | s->miny); + } else { + so_data (so, 4096 << 16); + so_data (so, 4096 << 16); + } + + so_ref(so, &nv40->state.scissor); + so_ref(NULL, &so); + return TRUE; +} + +struct nv40_state_atom { + boolean (*validate)(struct nv40_context *nv40); + struct { + unsigned pipe; + unsigned hw; + } dirty; +}; + +static struct nv40_state_atom states[] = { + { + .validate = nv40_state_scissor_validate, + .dirty = { + .pipe = NV40_NEW_SCISSOR | NV40_NEW_RAST, + .hw = NV40_NEW_SCISSOR, + } + } +}; + +static void +nv40_state_validate(struct nv40_context *nv40) +{ + unsigned i; + + for (i = 0; i < sizeof(states) / sizeof(states[0]); i++) { + if (nv40->dirty & states[i].dirty.pipe) { + if (states[i].validate(nv40)) + nv40->hw_dirty |= states[i].dirty.hw; + } + } +} + void nv40_emit_hw_state(struct nv40_context *nv40) { + nv40_state_validate(nv40); + if (nv40->dirty & NV40_NEW_FB) so_emit(nv40->nvws, nv40->so_framebuffer); @@ -40,8 +99,10 @@ nv40_emit_hw_state(struct nv40_context *nv40) if (nv40->dirty & NV40_NEW_BCOL) so_emit(nv40->nvws, nv40->so_bcol); - if (nv40->dirty & NV40_NEW_SCISSOR) - so_emit(nv40->nvws, nv40->so_scissor); + if (nv40->hw_dirty & NV40_NEW_SCISSOR) { + so_emit(nv40->nvws, nv40->state.scissor); + nv40->hw_dirty &= ~NV40_NEW_SCISSOR; + } if (nv40->dirty & NV40_NEW_VIEWPORT) so_emit(nv40->nvws, nv40->so_viewport); -- 2.30.2