src/gallium/drivers/nv50/nv50_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 "nv50_context.h"
  27 #include "nv50_screen.h"
  28 #include "nv50_resource.h"
  29
  30 #include "nouveau/nouveau_reloc.h"
  31
  32 static void
  33 nv50_flush(struct pipe_context *pipe,
  34            struct pipe_fence_handle **fence)
  35 {
  36    struct nouveau_screen *screen = nouveau_screen(pipe->screen);
  37
  38    if (fence)
  39       nouveau_fence_ref(screen->fence.current, (struct nouveau_fence **)fence);
  40
  41    PUSH_KICK(screen->pushbuf);
  42 }
  43
  44 static void
  45 nv50_texture_barrier(struct pipe_context *pipe)
  46 {
  47    struct nouveau_pushbuf *push = nv50_context(pipe)->base.pushbuf;
  48
  49    BEGIN_NV04(push, SUBC_3D(NV50_GRAPH_SERIALIZE), 1);
  50    PUSH_DATA (push, 0);
  51    BEGIN_NV04(push, NV50_3D(TEX_CACHE_CTL), 1);
  52    PUSH_DATA (push, 0x20);
  53 }
  54
  55 void
  56 nv50_default_kick_notify(struct nouveau_pushbuf *push)
  57 {
  58    struct nv50_screen *screen = push->user_priv;
  59
  60    if (screen) {
  61       nouveau_fence_next(&screen->base);
  62       nouveau_fence_update(&screen->base, TRUE);
  63       if (screen->cur_ctx)
  64          screen->cur_ctx->state.flushed = TRUE;
  65    }
  66 }
  67
  68 static void
  69 nv50_context_unreference_resources(struct nv50_context *nv50)
  70 {
  71    unsigned s, i;
  72
  73    nouveau_bufctx_del(&nv50->bufctx_3d);
  74    nouveau_bufctx_del(&nv50->bufctx);
  75
  76    for (i = 0; i < nv50->num_vtxbufs; ++i)
  77       pipe_resource_reference(&nv50->vtxbuf[i].buffer, NULL);
  78
  79    pipe_resource_reference(&nv50->idxbuf.buffer, NULL);
  80
  81    for (s = 0; s < 3; ++s) {
  82       for (i = 0; i < nv50->num_textures[s]; ++i)
  83          pipe_sampler_view_reference(&nv50->textures[s][i], NULL);
  84
  85       for (i = 0; i < 16; ++i)
  86          pipe_resource_reference(&nv50->constbuf[s][i], NULL);
  87    }
  88 }
  89
  90 static void
  91 nv50_destroy(struct pipe_context *pipe)
  92 {
  93    struct nv50_context *nv50 = nv50_context(pipe);
  94
  95    if (nv50_context_screen(nv50)->cur_ctx == nv50) {
  96       nv50->base.pushbuf->kick_notify = NULL;
  97       nv50_context_screen(nv50)->cur_ctx = NULL;
  98       nouveau_pushbuf_bufctx(nv50->base.pushbuf, NULL);
  99    }
 100    /* need to flush before destroying the bufctx */
 101    nouveau_pushbuf_kick(nv50->base.pushbuf, nv50->base.pushbuf->channel);
 102
 103    nv50_context_unreference_resources(nv50);
 104
 105    draw_destroy(nv50->draw);
 106
 107    FREE(nv50);
 108 }
 109
 110 struct pipe_context *
 111 nv50_create(struct pipe_screen *pscreen, void *priv)
 112 {
 113    struct nv50_screen *screen = nv50_screen(pscreen);
 114    struct nv50_context *nv50;
 115    struct pipe_context *pipe;
 116    int ret;
 117    uint32_t flags;
 118
 119    nv50 = CALLOC_STRUCT(nv50_context);
 120    if (!nv50)
 121       return NULL;
 122    pipe = &nv50->base.pipe;
 123
 124    nv50->base.pushbuf = screen->base.pushbuf;
 125
 126    ret = nouveau_bufctx_new(screen->base.client, NV50_BIND_COUNT,
 127                             &nv50->bufctx_3d);
 128    if (!ret)
 129       ret = nouveau_bufctx_new(screen->base.client, 2, &nv50->bufctx);
 130    if (ret)
 131       goto out_err;
 132
 133    nv50->base.screen    = &screen->base;
 134    nv50->base.copy_data = nv50_m2mf_copy_linear;
 135    nv50->base.push_data = nv50_sifc_linear_u8;
 136
 137    nv50->screen = screen;
 138    pipe->screen = pscreen;
 139    pipe->priv = priv;
 140
 141    pipe->destroy = nv50_destroy;
 142
 143    pipe->draw_vbo = nv50_draw_vbo;
 144    pipe->clear = nv50_clear;
 145
 146    pipe->flush = nv50_flush;
 147    pipe->texture_barrier = nv50_texture_barrier;
 148
 149    if (!screen->cur_ctx) {
 150       screen->cur_ctx = nv50;
 151       nouveau_pushbuf_bufctx(screen->base.pushbuf, nv50->bufctx);
 152    }
 153
 154    nv50_init_query_functions(nv50);
 155    nv50_init_surface_functions(nv50);
 156    nv50_init_state_functions(nv50);
 157    nv50_init_resource_functions(pipe);
 158
 159    nv50->draw = draw_create(pipe);
 160    assert(nv50->draw);
 161    draw_set_rasterize_stage(nv50->draw, nv50_draw_render_stage(nv50));
 162
 163    nouveau_context_init_vdec(&nv50->base);
 164
 165    flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RD;
 166
 167    BCTX_REFN_bo(nv50->bufctx_3d, SCREEN, flags, screen->code);
 168    BCTX_REFN_bo(nv50->bufctx_3d, SCREEN, flags, screen->uniforms);
 169    BCTX_REFN_bo(nv50->bufctx_3d, SCREEN, flags, screen->txc);
 170    BCTX_REFN_bo(nv50->bufctx_3d, SCREEN, flags, screen->stack_bo);
 171
 172    flags = NOUVEAU_BO_GART | NOUVEAU_BO_WR;
 173
 174    BCTX_REFN_bo(nv50->bufctx_3d, SCREEN, flags, screen->fence.bo);
 175    BCTX_REFN_bo(nv50->bufctx, FENCE, flags, screen->fence.bo);
 176
 177    return pipe;
 178
 179 out_err:
 180    if (nv50) {
 181       if (nv50->bufctx_3d)
 182          nouveau_bufctx_del(&nv50->bufctx_3d);
 183       if (nv50->bufctx)
 184          nouveau_bufctx_del(&nv50->bufctx);
 185       FREE(nv50);
 186    }
 187    return NULL;
 188 }
 189
 190 void
 191 nv50_bufctx_fence(struct nouveau_bufctx *bufctx, boolean on_flush)
 192 {
 193    struct nouveau_list *list = on_flush ? &bufctx->current : &bufctx->pending;
 194    struct nouveau_list *it;
 195
 196    for (it = list->next; it != list; it = it->next) {
 197       struct nouveau_bufref *ref = (struct nouveau_bufref *)it;
 198       struct nv04_resource *res = ref->priv;
 199       if (res)
 200          nv50_resource_validate(res, (unsigned)ref->priv_data);
 201    }
 202 }