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_screen *screen = &nvc0->screen->base;
  38
  39    if (fence)
  40       nouveau_fence_ref(screen->fence.current, (struct nouveau_fence **)fence);
  41
  42    PUSH_KICK(nvc0->base.pushbuf); /* fencing handled in kick_notify */
  43 }
  44
  45 static void
  46 nvc0_texture_barrier(struct pipe_context *pipe)
  47 {
  48    struct nouveau_pushbuf *push = nvc0_context(pipe)->base.pushbuf;
  49
  50    IMMED_NVC0(push, NVC0_3D(SERIALIZE), 0);
  51    IMMED_NVC0(push, NVC0_3D(TEX_CACHE_CTL), 0);
  52 }
  53
  54 static void
  55 nvc0_context_unreference_resources(struct nvc0_context *nvc0)
  56 {
  57    unsigned s, i;
  58
  59    nouveau_bufctx_del(&nvc0->bufctx_3d);
  60    nouveau_bufctx_del(&nvc0->bufctx);
  61
  62    for (i = 0; i < nvc0->num_vtxbufs; ++i)
  63       pipe_resource_reference(&nvc0->vtxbuf[i].buffer, NULL);
  64
  65    pipe_resource_reference(&nvc0->idxbuf.buffer, NULL);
  66
  67    for (s = 0; s < 5; ++s) {
  68       for (i = 0; i < nvc0->num_textures[s]; ++i)
  69          pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
  70
  71       for (i = 0; i < 16; ++i)
  72          pipe_resource_reference(&nvc0->constbuf[s][i], NULL);
  73    }
  74
  75    for (i = 0; i < nvc0->num_tfbbufs; ++i)
  76       pipe_so_target_reference(&nvc0->tfbbuf[i], NULL);
  77 }
  78
  79 static void
  80 nvc0_destroy(struct pipe_context *pipe)
  81 {
  82    struct nvc0_context *nvc0 = nvc0_context(pipe);
  83
  84    if (nvc0->screen->cur_ctx == nvc0) {
  85       nvc0->base.pushbuf->kick_notify = NULL;
  86       nvc0->screen->cur_ctx = NULL;
  87       nouveau_pushbuf_bufctx(nvc0->base.pushbuf, NULL);
  88    }
  89    nouveau_pushbuf_kick(nvc0->base.pushbuf, nvc0->base.pushbuf->channel);
  90
  91    nvc0_context_unreference_resources(nvc0);
  92
  93    draw_destroy(nvc0->draw);
  94
  95    FREE(nvc0);
  96 }
  97
  98 void
  99 nvc0_default_kick_notify(struct nouveau_pushbuf *push)
 100 {
 101    struct nvc0_screen *screen = push->user_priv;
 102
 103    if (screen) {
 104       nouveau_fence_next(&screen->base);
 105       nouveau_fence_update(&screen->base, TRUE);
 106       if (screen->cur_ctx)
 107          screen->cur_ctx->state.flushed = TRUE;
 108    }
 109 }
 110
 111 struct pipe_context *
 112 nvc0_create(struct pipe_screen *pscreen, void *priv)
 113 {
 114    struct nvc0_screen *screen = nvc0_screen(pscreen);
 115    struct nvc0_context *nvc0;
 116    struct pipe_context *pipe;
 117    int ret;
 118    uint32_t flags;
 119
 120    nvc0 = CALLOC_STRUCT(nvc0_context);
 121    if (!nvc0)
 122       return NULL;
 123    pipe = &nvc0->base.pipe;
 124
 125    nvc0->base.pushbuf = screen->base.pushbuf;
 126
 127    ret = nouveau_bufctx_new(screen->base.client, NVC0_BIND_COUNT,
 128                             &nvc0->bufctx_3d);
 129    if (!ret)
 130       nouveau_bufctx_new(screen->base.client, 2, &nvc0->bufctx);
 131    if (ret)
 132       goto out_err;
 133
 134    nvc0->screen = screen;
 135    nvc0->base.screen    = &screen->base;
 136    nvc0->base.copy_data = nvc0_m2mf_copy_linear;
 137    nvc0->base.push_data = nvc0_m2mf_push_linear;
 138    nvc0->base.push_cb = nvc0_cb_push;
 139
 140    pipe->screen = pscreen;
 141    pipe->priv = priv;
 142
 143    pipe->destroy = nvc0_destroy;
 144
 145    pipe->draw_vbo = nvc0_draw_vbo;
 146    pipe->clear = nvc0_clear;
 147
 148    pipe->flush = nvc0_flush;
 149    pipe->texture_barrier = nvc0_texture_barrier;
 150
 151    if (!screen->cur_ctx) {
 152       screen->cur_ctx = nvc0;
 153       nouveau_pushbuf_bufctx(screen->base.pushbuf, nvc0->bufctx);
 154    }
 155    screen->base.pushbuf->kick_notify = nvc0_default_kick_notify;
 156
 157    nvc0_init_query_functions(nvc0);
 158    nvc0_init_surface_functions(nvc0);
 159    nvc0_init_state_functions(nvc0);
 160    nvc0_init_resource_functions(pipe);
 161
 162    nvc0->draw = draw_create(pipe);
 163    assert(nvc0->draw);
 164    draw_set_rasterize_stage(nvc0->draw, nvc0_draw_render_stage(nvc0));
 165
 166    nouveau_context_init_vdec(&nvc0->base);
 167
 168    /* shader builtin library is per-screen, but we need a context for m2mf */
 169    nvc0_program_library_upload(nvc0);
 170
 171    /* add permanently resident buffers to bufctxts */
 172
 173    flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RD;
 174
 175    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->text);
 176    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->uniforms);
 177    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->txc);
 178
 179    flags = NOUVEAU_BO_GART | NOUVEAU_BO_WR;
 180
 181    BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->fence.bo);
 182    BCTX_REFN_bo(nvc0->bufctx, FENCE, flags, screen->fence.bo);
 183
 184    return pipe;
 185
 186 out_err:
 187    if (nvc0) {
 188       if (nvc0->bufctx_3d)
 189          nouveau_bufctx_del(&nvc0->bufctx_3d);
 190       if (nvc0->bufctx)
 191          nouveau_bufctx_del(&nvc0->bufctx);
 192       FREE(nvc0);
 193    }
 194    return NULL;
 195 }
 196
 197 void
 198 nvc0_bufctx_fence(struct nvc0_context *nvc0, struct nouveau_bufctx *bufctx,
 199                   boolean on_flush)
 200 {
 201    struct nouveau_list *list = on_flush ? &bufctx->current : &bufctx->pending;
 202    struct nouveau_list *it;
 203
 204    for (it = list->next; it != list; it = it->next) {
 205       struct nouveau_bufref *ref = (struct nouveau_bufref *)it;
 206       struct nv04_resource *res = ref->priv;
 207       if (res)
 208          nvc0_resource_validate(res, (unsigned)ref->priv_data);
 209    }
 210 }