diff options
Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_context.c')
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_context.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_context.c b/src/gallium/drivers/nvc0/nvc0_context.c new file mode 100644 index 0000000000..5d2168e600 --- /dev/null +++ b/src/gallium/drivers/nvc0/nvc0_context.c @@ -0,0 +1,208 @@ +/* + * Copyright 2010 Christoph Bumiller + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "draw/draw_context.h" +#include "pipe/p_defines.h" + +#include "nvc0_context.h" +#include "nvc0_screen.h" +#include "nvc0_resource.h" + +#include "nouveau/nouveau_reloc.h" + +static void +nvc0_flush(struct pipe_context *pipe, + struct pipe_fence_handle **fence) +{ + struct nouveau_screen *screen = &nvc0_context(pipe)->screen->base; + + if (fence) + nouveau_fence_ref(screen->fence.current, (struct nouveau_fence **)fence); + + /* Try to emit before firing to avoid having to flush again right after + * in case we have to wait on this fence. + */ + nouveau_fence_emit(screen->fence.current); + + FIRE_RING(screen->channel); +} + +static void +nvc0_context_unreference_resources(struct nvc0_context *nvc0) +{ + unsigned s, i; + + for (i = 0; i < NVC0_BUFCTX_COUNT; ++i) + nvc0_bufctx_reset(nvc0, i); + + for (i = 0; i < nvc0->num_vtxbufs; ++i) + pipe_resource_reference(&nvc0->vtxbuf[i].buffer, NULL); + + pipe_resource_reference(&nvc0->idxbuf.buffer, NULL); + + for (s = 0; s < 5; ++s) { + for (i = 0; i < nvc0->num_textures[s]; ++i) + pipe_sampler_view_reference(&nvc0->textures[s][i], NULL); + + for (i = 0; i < 16; ++i) + pipe_resource_reference(&nvc0->constbuf[s][i], NULL); + } + + for (i = 0; i < nvc0->num_tfbbufs; ++i) + pipe_resource_reference(&nvc0->tfbbuf[i], NULL); +} + +static void +nvc0_destroy(struct pipe_context *pipe) +{ + struct nvc0_context *nvc0 = nvc0_context(pipe); + + nvc0_context_unreference_resources(nvc0); + + draw_destroy(nvc0->draw); + + if (nvc0->screen->cur_ctx == nvc0) { + nvc0->screen->base.channel->user_private = NULL; + nvc0->screen->cur_ctx = NULL; + } + + FREE(nvc0); +} + +void +nvc0_default_flush_notify(struct nouveau_channel *chan) +{ + struct nvc0_context *nvc0 = chan->user_private; + + if (!nvc0) + return; + + nouveau_fence_update(&nvc0->screen->base, TRUE); + nouveau_fence_next(&nvc0->screen->base); +} + +struct pipe_context * +nvc0_create(struct pipe_screen *pscreen, void *priv) +{ + struct pipe_winsys *pipe_winsys = pscreen->winsys; + struct nvc0_screen *screen = nvc0_screen(pscreen); + struct nvc0_context *nvc0; + struct pipe_context *pipe; + + nvc0 = CALLOC_STRUCT(nvc0_context); + if (!nvc0) + return NULL; + pipe = &nvc0->base.pipe; + + nvc0->screen = screen; + nvc0->base.screen = &screen->base; + nvc0->base.copy_data = nvc0_m2mf_copy_linear; + nvc0->base.push_data = nvc0_m2mf_push_linear; + + pipe->winsys = pipe_winsys; + pipe->screen = pscreen; + pipe->priv = priv; + + pipe->destroy = nvc0_destroy; + + pipe->draw_vbo = nvc0_draw_vbo; + pipe->clear = nvc0_clear; + + pipe->flush = nvc0_flush; + + if (!screen->cur_ctx) + screen->cur_ctx = nvc0; + screen->base.channel->user_private = nvc0; + screen->base.channel->flush_notify = nvc0_default_flush_notify; + + nvc0_init_query_functions(nvc0); + nvc0_init_surface_functions(nvc0); + nvc0_init_state_functions(nvc0); + nvc0_init_resource_functions(pipe); + + nvc0->draw = draw_create(pipe); + assert(nvc0->draw); + draw_set_rasterize_stage(nvc0->draw, nvc0_draw_render_stage(nvc0)); + + return pipe; +} + +struct resident { + struct nv04_resource *res; + uint32_t flags; +}; + +void +nvc0_bufctx_add_resident(struct nvc0_context *nvc0, int ctx, + struct nv04_resource *resource, uint32_t flags) +{ + struct resident rsd = { resource, flags }; + + if (!resource->bo) + return; + + /* We don't need to reference the resource here, it will be referenced + * in the context/state, and bufctx will be reset when state changes. + */ + util_dynarray_append(&nvc0->residents[ctx], struct resident, rsd); +} + +void +nvc0_bufctx_del_resident(struct nvc0_context *nvc0, int ctx, + struct nv04_resource *resource) +{ + struct resident *rsd, *top; + unsigned i; + + for (i = 0; i < nvc0->residents[ctx].size / sizeof(struct resident); ++i) { + rsd = util_dynarray_element(&nvc0->residents[ctx], struct resident, i); + + if (rsd->res == resource) { + top = util_dynarray_pop_ptr(&nvc0->residents[ctx], struct resident); + if (rsd != top) + *rsd = *top; + break; + } + } +} + +void +nvc0_bufctx_emit_relocs(struct nvc0_context *nvc0) +{ + struct resident *rsd; + struct util_dynarray *array; + unsigned ctx, i, n; + + for (ctx = 0; ctx < NVC0_BUFCTX_COUNT; ++ctx) { + array = &nvc0->residents[ctx]; + + n = array->size / sizeof(struct resident); + MARK_RING(nvc0->screen->base.channel, n, n); + for (i = 0; i < n; ++i) { + rsd = util_dynarray_element(array, struct resident, i); + + nvc0_resource_validate(rsd->res, rsd->flags); + } + } + + nvc0_screen_make_buffers_resident(nvc0->screen); +} |