src/gallium/drivers/nv30/nv30_context.c

   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 }