diff options
Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_context.c')
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_context.c | 171 |
1 files changed, 171 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..f718feccd7 --- /dev/null +++ b/src/gallium/drivers/nvc0/nvc0_context.c @@ -0,0 +1,171 @@ +/* + * 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, unsigned flags, + struct pipe_fence_handle **fence) +{ + struct nvc0_context *nvc0 = nvc0_context(pipe); + struct nouveau_channel *chan = nvc0->screen->base.channel; + + if (flags & PIPE_FLUSH_TEXTURE_CACHE) { + BEGIN_RING(chan, RING_3D(SERIALIZE), 1); + OUT_RING (chan, 0); + BEGIN_RING(chan, RING_3D(TEX_CACHE_CTL), 1); + OUT_RING (chan, 0x00); + } + + if (fence) { + nvc0_screen_fence_new(nvc0->screen, (struct nvc0_fence **)fence, TRUE); + } + + if (flags & (PIPE_FLUSH_SWAPBUFFERS | PIPE_FLUSH_FRAME)) { + FIRE_RING(chan); + } +} + +static void +nvc0_destroy(struct pipe_context *pipe) +{ + struct nvc0_context *nvc0 = nvc0_context(pipe); + + draw_destroy(nvc0->draw); + + if (nvc0->screen->cur_ctx == nvc0) + nvc0->screen->cur_ctx = NULL; + + FREE(nvc0); +} + +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; + + nvc0 = CALLOC_STRUCT(nvc0_context); + if (!nvc0) + return NULL; + nvc0->screen = screen; + + nvc0->pipe.winsys = pipe_winsys; + nvc0->pipe.screen = pscreen; + nvc0->pipe.priv = priv; + + nvc0->pipe.destroy = nvc0_destroy; + + nvc0->pipe.draw_vbo = nvc0_draw_vbo; + nvc0->pipe.clear = nvc0_clear; + + nvc0->pipe.flush = nvc0_flush; + + screen->base.channel->user_private = nvc0; + + nvc0_init_surface_functions(nvc0); + nvc0_init_state_functions(nvc0); + nvc0_init_resource_functions(&nvc0->pipe); + + nvc0->draw = draw_create(&nvc0->pipe); + assert(nvc0->draw); + draw_set_rasterize_stage(nvc0->draw, nvc0_draw_render_stage(nvc0)); + + return &nvc0->pipe; +} + +struct resident { + struct nouveau_bo *bo; + uint32_t flags; +}; + +void +nvc0_bufctx_add_resident(struct nvc0_context *nvc0, int ctx, + struct nvc0_resource *resource, uint32_t flags) +{ + struct resident rsd = { NULL, flags }; + + if (!resource->bo) + return; + nouveau_bo_ref(resource->bo, &rsd.bo); + + util_dynarray_append(&nvc0->residents[ctx], struct resident, rsd); +} + +void +nvc0_bufctx_del_resident(struct nvc0_context *nvc0, int ctx, + struct nvc0_resource *resource) +{ + struct resident *rsd, rem; + 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->bo == resource->bo) { + rem = util_dynarray_pop(&nvc0->residents[ctx], struct resident); + nouveau_bo_ref(NULL, &rem.bo); + break; + } + } +} + +void +nvc0_bufctx_reset(struct nvc0_context *nvc0, int ctx) +{ + unsigned i; + + for (i = 0; i < nvc0->residents[ctx].size / sizeof(struct resident); ++i) + nouveau_bo_ref(NULL, &util_dynarray_element(&nvc0->residents[ctx], + struct resident, i)->bo); + util_dynarray_resize(&nvc0->residents[ctx], 0); +} + +void +nvc0_bufctx_emit_relocs(struct nvc0_context *nvc0) +{ + struct resident *rsd; + struct util_dynarray *array; + unsigned ctx, i; + + for (ctx = 0; ctx < NVC0_BUFCTX_COUNT; ++ctx) { + array = &nvc0->residents[ctx]; + + for (i = 0; i < array->size / sizeof(struct resident); ++i) { + rsd = util_dynarray_element(array, struct resident, i); + + nvc0_make_bo_resident(nvc0, rsd->bo, rsd->flags); + } + } + + nvc0_make_bo_resident(nvc0, nvc0->screen->text, NOUVEAU_BO_RD); + nvc0_make_bo_resident(nvc0, nvc0->screen->uniforms, NOUVEAU_BO_RD); + nvc0_make_bo_resident(nvc0, nvc0->screen->txc, NOUVEAU_BO_RD); +} |