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      1 /*
      2  * Copyright 2012 Red Hat Inc.
      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  * Authors: Ben Skeggs
     23  *
     24  */
     25 
     26 #include "draw/draw_context.h"
     27 
     28 #include "nouveau/nv_object.xml.h"
     29 #include "nv30-40_3d.xml.h"
     30 
     31 #include "nouveau/nouveau_fence.h"
     32 #include "nv30_context.h"
     33 #include "nv30_transfer.h"
     34 #include "nv30_state.h"
     35 
     36 static void
     37 nv30_context_kick_notify(struct nouveau_pushbuf *push)
     38 {
     39    struct nouveau_screen *screen;
     40    struct nv30_context *nv30;
     41 
     42    if (!push->user_priv)
     43       return;
     44    nv30 = container_of(push->user_priv, nv30, bufctx);
     45    screen = &nv30->screen->base;
     46 
     47    nouveau_fence_next(screen);
     48    nouveau_fence_update(screen, TRUE);
     49 
     50    if (push->bufctx) {
     51       struct nouveau_bufref *bref;
     52       LIST_FOR_EACH_ENTRY(bref, &push->bufctx->current, thead) {
     53          struct nv04_resource *res = bref->priv;
     54          if (res && res->mm) {
     55             nouveau_fence_ref(screen->fence.current, &res->fence);
     56 
     57             if (bref->flags & NOUVEAU_BO_RD)
     58                res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
     59 
     60             if (bref->flags & NOUVEAU_BO_WR) {
     61                nouveau_fence_ref(screen->fence.current, &res->fence_wr);
     62                res->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
     63             }
     64          }
     65       }
     66    }
     67 }
     68 
     69 static void
     70 nv30_context_flush(struct pipe_context *pipe, struct pipe_fence_handle **fence)
     71 {
     72    struct nv30_context *nv30 = nv30_context(pipe);
     73    struct nouveau_pushbuf *push = nv30->base.pushbuf;
     74 
     75    if (fence)
     76       nouveau_fence_ref(nv30->screen->base.fence.current,
     77                         (struct nouveau_fence **)fence);
     78 
     79    PUSH_KICK(push);
     80 }
     81 
     82 static void
     83 nv30_context_destroy(struct pipe_context *pipe)
     84 {
     85    struct nv30_context *nv30 = nv30_context(pipe);
     86 
     87    if (nv30->draw)
     88       draw_destroy(nv30->draw);
     89 
     90    nouveau_bufctx_del(&nv30->bufctx);
     91 
     92    if (nv30->screen->cur_ctx == nv30)
     93       nv30->screen->cur_ctx = NULL;
     94 
     95    nouveau_context_destroy(&nv30->base);
     96 }
     97 
     98 #define FAIL_CONTEXT_INIT(str, err)                   \
     99    do {                                               \
    100       NOUVEAU_ERR(str, err);                          \
    101       nv30_context_destroy(pipe);                     \
    102       return NULL;                                    \
    103    } while(0)
    104 
    105 struct pipe_context *
    106 nv30_context_create(struct pipe_screen *pscreen, void *priv)
    107 {
    108    struct nv30_screen *screen = nv30_screen(pscreen);
    109    struct nv30_context *nv30 = CALLOC_STRUCT(nv30_context);
    110    struct nouveau_pushbuf *push;
    111    struct pipe_context *pipe;
    112    int ret;
    113 
    114    if (!nv30)
    115       return NULL;
    116 
    117    nv30->screen = screen;
    118    nv30->base.screen = &screen->base;
    119    nv30->base.copy_data = nv30_transfer_copy_data;
    120 
    121    pipe = &nv30->base.pipe;
    122    pipe->screen = pscreen;
    123    pipe->priv = priv;
    124    pipe->destroy = nv30_context_destroy;
    125    pipe->flush = nv30_context_flush;
    126 
    127    /*XXX: *cough* per-context client */
    128    nv30->base.client = screen->base.client;
    129 
    130    /*XXX: *cough* per-context pushbufs */
    131    push = screen->base.pushbuf;
    132    nv30->base.pushbuf = push;
    133    nv30->base.pushbuf->user_priv = push->user_priv; /* hack at validate time */
    134    nv30->base.pushbuf->rsvd_kick = 16; /* hack in screen before first space */
    135    nv30->base.pushbuf->kick_notify = nv30_context_kick_notify;
    136 
    137    ret = nouveau_bufctx_new(nv30->base.client, 64, &nv30->bufctx);
    138    if (ret) {
    139       nv30_context_destroy(pipe);
    140       return NULL;
    141    }
    142 
    143    /*XXX: make configurable with performance vs quality, these defaults
    144     *     match the binary driver's defaults
    145     */
    146    if (screen->eng3d->oclass < NV40_3D_CLASS)
    147       nv30->config.filter = 0x00000004;
    148    else
    149       nv30->config.filter = 0x00002dc4;
    150 
    151    nv30->config.aniso = NV40_3D_TEX_WRAP_ANISO_MIP_FILTER_OPTIMIZATION_OFF;
    152 
    153    if (debug_get_bool_option("NV30_SWTNL", FALSE))
    154       nv30->draw_flags |= NV30_NEW_SWTNL;
    155 
    156    /*XXX: nvfx... */
    157    nv30->is_nv4x = (screen->eng3d->oclass >= NV40_3D_CLASS) ? ~0 : 0;
    158    nv30->use_nv4x = (screen->eng3d->oclass >= NV40_3D_CLASS) ? ~0 : 0;
    159    nv30->render_mode = HW;
    160 
    161    nv30->sample_mask = 0xffff;
    162    nv30_vbo_init(pipe);
    163    nv30_query_init(pipe);
    164    nv30_state_init(pipe);
    165    nv30_resource_init(pipe);
    166    nv30_clear_init(pipe);
    167    nv30_fragprog_init(pipe);
    168    nv30_vertprog_init(pipe);
    169    nv30_texture_init(pipe);
    170    nv30_fragtex_init(pipe);
    171    nv40_verttex_init(pipe);
    172    nv30_draw_init(pipe);
    173 
    174    return pipe;
    175 }
    176