src/gallium/drivers/nvc0/nvc0_context.c

   1 /*
   2  * Copyright 2010 Christoph Bumiller
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #include "draw/draw_context.h"
  24 #include "pipe/p_defines.h"
  25
  26 #include "nvc0_context.h"
  27 #include "nvc0_screen.h"
  28 #include "nvc0_resource.h"
  29
  30 #include "nouveau/nouveau_reloc.h"
  31
  32 static void
  33 nvc0_flush(struct pipe_context *pipe,
  34            struct pipe_fence_handle **fence)
  35 {
  36    struct nvc0_context *nvc0 = nvc0_context(pipe);
  37    struct nouveau_channel *chan = nvc0->screen->base.channel;
  38
  39    /* XXX This flag wasn't set by the state tracker anyway. */
  40    /*if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  41       BEGIN_RING(chan, RING_3D(SERIALIZE), 1);
  42       OUT_RING  (chan, 0);
  43       BEGIN_RING(chan, RING_3D(TEX_CACHE_CTL), 1);
  44       OUT_RING  (chan, 0x00);
  45    } else*/
  46    /* XXX FLUSH_FRAME is now implicit. */
  47    /*if ((flags & PIPE_FLUSH_RENDER_CACHE) && !(flags & PIPE_FLUSH_FRAME)) {
  48       BEGIN_RING(chan, RING_3D(SERIALIZE), 1);
  49       OUT_RING  (chan, 0);
  50    }*/
  51
  52    if (fence)
  53       nouveau_fence_ref(nvc0->screen->base.fence.current,
  54                         (struct nouveau_fence **)fence);
  55
  56    FIRE_RING(chan);
  57 }
  58
  59 static void
  60 nvc0_destroy(struct pipe_context *pipe)
  61 {
  62    struct nvc0_context *nvc0 = nvc0_context(pipe);
  63
  64    draw_destroy(nvc0->draw);
  65
  66    if (nvc0->screen->cur_ctx == nvc0) {
  67       nvc0->screen->base.channel->user_private = NULL;
  68       nvc0->screen->cur_ctx = NULL;
  69    }
  70
  71    FREE(nvc0);
  72 }
  73
  74 void
  75 nvc0_default_flush_notify(struct nouveau_channel *chan)
  76 {
  77    struct nvc0_context *nvc0 = chan->user_private;
  78
  79    if (!nvc0)
  80       return;
  81
  82    nouveau_fence_update(&nvc0->screen->base, TRUE);
  83    nouveau_fence_next(&nvc0->screen->base);
  84 }
  85
  86 struct pipe_context *
  87 nvc0_create(struct pipe_screen *pscreen, void *priv)
  88 {
  89    struct pipe_winsys *pipe_winsys = pscreen->winsys;
  90    struct nvc0_screen *screen = nvc0_screen(pscreen);
  91    struct nvc0_context *nvc0;
  92    struct pipe_context *pipe;
  93
  94    nvc0 = CALLOC_STRUCT(nvc0_context);
  95    if (!nvc0)
  96       return NULL;
  97    pipe = &nvc0->base.pipe;
  98
  99    nvc0->screen = screen;
 100    nvc0->base.screen    = &screen->base;
 101    nvc0->base.copy_data = nvc0_m2mf_copy_linear;
 102    nvc0->base.push_data = nvc0_m2mf_push_linear;
 103
 104    pipe->winsys = pipe_winsys;
 105    pipe->screen = pscreen;
 106    pipe->priv = priv;
 107
 108    pipe->destroy = nvc0_destroy;
 109
 110    pipe->draw_vbo = nvc0_draw_vbo;
 111    pipe->clear = nvc0_clear;
 112
 113    pipe->flush = nvc0_flush;
 114
 115    if (!screen->cur_ctx)
 116       screen->cur_ctx = nvc0;
 117    screen->base.channel->user_private = nvc0;
 118    screen->base.channel->flush_notify = nvc0_default_flush_notify;
 119
 120    nvc0_init_query_functions(nvc0);
 121    nvc0_init_surface_functions(nvc0);
 122    nvc0_init_state_functions(nvc0);
 123    nvc0_init_resource_functions(pipe);
 124
 125    nvc0->draw = draw_create(pipe);
 126    assert(nvc0->draw);
 127    draw_set_rasterize_stage(nvc0->draw, nvc0_draw_render_stage(nvc0));
 128
 129    return pipe;
 130 }
 131
 132 struct resident {
 133    struct nv04_resource *res;
 134    uint32_t flags;
 135 };
 136
 137 void
 138 nvc0_bufctx_add_resident(struct nvc0_context *nvc0, int ctx,
 139                          struct nv04_resource *resource, uint32_t flags)
 140 {
 141    struct resident rsd = { resource, flags };
 142
 143    if (!resource->bo)
 144       return;
 145
 146    /* We don't need to reference the resource here, it will be referenced
 147     * in the context/state, and bufctx will be reset when state changes.
 148     */
 149    util_dynarray_append(&nvc0->residents[ctx], struct resident, rsd);
 150 }
 151
 152 void
 153 nvc0_bufctx_del_resident(struct nvc0_context *nvc0, int ctx,
 154                          struct nv04_resource *resource)
 155 {
 156    struct resident *rsd, *top;
 157    unsigned i;
 158
 159    for (i = 0; i < nvc0->residents[ctx].size / sizeof(struct resident); ++i) {
 160       rsd = util_dynarray_element(&nvc0->residents[ctx], struct resident, i);
 161
 162       if (rsd->res == resource) {
 163          top = util_dynarray_pop_ptr(&nvc0->residents[ctx], struct resident);
 164          if (rsd != top)
 165             *rsd = *top;
 166          break;
 167       }
 168    }
 169 }
 170
 171 void
 172 nvc0_bufctx_emit_relocs(struct nvc0_context *nvc0)
 173 {
 174    struct resident *rsd;
 175    struct util_dynarray *array;
 176    unsigned ctx, i, n;
 177
 178    for (ctx = 0; ctx < NVC0_BUFCTX_COUNT; ++ctx) {
 179       array = &nvc0->residents[ctx];
 180
 181       n = array->size / sizeof(struct resident);
 182       MARK_RING(nvc0->screen->base.channel, n, n);
 183       for (i = 0; i < n; ++i) {
 184          rsd = util_dynarray_element(array, struct resident, i);
 185
 186          nvc0_resource_validate(rsd->res, rsd->flags);
 187       }
 188    }
 189
 190    nvc0_screen_make_buffers_resident(nvc0->screen);
 191 }