src/gallium/drivers/nouveau/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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Ben Skeggs
  23  *
  24  */
  25
  26 #include "draw/draw_context.h"
  27 #include "util/u_upload_mgr.h"
  28
  29 #include "nv_object.xml.h"
  30 #include "nv30/nv30-40_3d.xml.h"
  31
  32 #include "nouveau_fence.h"
  33 #include "nv30/nv30_context.h"
  34 #include "nv30/nv30_transfer.h"
  35 #include "nv30/nv30_state.h"
  36
  37 static void
  38 nv30_context_kick_notify(struct nouveau_pushbuf *push)
  39 {
  40    struct nouveau_screen *screen;
  41    struct nv30_context *nv30;
  42
  43    if (!push->user_priv)
  44       return;
  45    nv30 = container_of(push->user_priv, nv30, bufctx);
  46    screen = &nv30->screen->base;
  47
  48    nouveau_fence_next(screen);
  49    nouveau_fence_update(screen, true);
  50
  51    if (push->bufctx) {
  52       struct nouveau_bufref *bref;
  53       LIST_FOR_EACH_ENTRY(bref, &push->bufctx->current, thead) {
  54          struct nv04_resource *res = bref->priv;
  55          if (res && res->mm) {
  56             nouveau_fence_ref(screen->fence.current, &res->fence);
  57
  58             if (bref->flags & NOUVEAU_BO_RD)
  59                res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
  60
  61             if (bref->flags & NOUVEAU_BO_WR) {
  62                nouveau_fence_ref(screen->fence.current, &res->fence_wr);
  63                res->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING |
  64                   NOUVEAU_BUFFER_STATUS_DIRTY;
  65             }
  66          }
  67       }
  68    }
  69 }
  70
  71 static void
  72 nv30_context_flush(struct pipe_context *pipe, struct pipe_fence_handle **fence,
  73                    unsigned flags)
  74 {
  75    struct nv30_context *nv30 = nv30_context(pipe);
  76    struct nouveau_pushbuf *push = nv30->base.pushbuf;
  77
  78    if (fence)
  79       nouveau_fence_ref(nv30->screen->base.fence.current,
  80                         (struct nouveau_fence **)fence);
  81
  82    PUSH_KICK(push);
  83
  84    nouveau_context_update_frame_stats(&nv30->base);
  85 }
  86
  87 static int
  88 nv30_invalidate_resource_storage(struct nouveau_context *nv,
  89                                  struct pipe_resource *res,
  90                                  int ref)
  91 {
  92    struct nv30_context *nv30 = nv30_context(&nv->pipe);
  93    unsigned i;
  94
  95    if (res->bind & PIPE_BIND_RENDER_TARGET) {
  96       for (i = 0; i < nv30->framebuffer.nr_cbufs; ++i) {
  97          if (nv30->framebuffer.cbufs[i] &&
  98              nv30->framebuffer.cbufs[i]->texture == res) {
  99             nv30->dirty |= NV30_NEW_FRAMEBUFFER;
 100             nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FB);
 101             if (!--ref)
 102                return ref;
 103          }
 104       }
 105    }
 106    if (res->bind & PIPE_BIND_DEPTH_STENCIL) {
 107       if (nv30->framebuffer.zsbuf &&
 108           nv30->framebuffer.zsbuf->texture == res) {
 109             nv30->dirty |= NV30_NEW_FRAMEBUFFER;
 110             nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FB);
 111             if (!--ref)
 112                return ref;
 113       }
 114    }
 115
 116    if (res->bind & PIPE_BIND_VERTEX_BUFFER) {
 117       for (i = 0; i < nv30->num_vtxbufs; ++i) {
 118          if (nv30->vtxbuf[i].buffer.resource == res) {
 119             nv30->dirty |= NV30_NEW_ARRAYS;
 120             nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VTXBUF);
 121             if (!--ref)
 122                return ref;
 123          }
 124       }
 125    }
 126
 127    if (res->bind & PIPE_BIND_SAMPLER_VIEW) {
 128       for (i = 0; i < nv30->fragprog.num_textures; ++i) {
 129          if (nv30->fragprog.textures[i] &&
 130              nv30->fragprog.textures[i]->texture == res) {
 131             nv30->dirty |= NV30_NEW_FRAGTEX;
 132             nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FRAGTEX(i));
 133             if (!--ref)
 134                return ref;
 135          }
 136       }
 137       for (i = 0; i < nv30->vertprog.num_textures; ++i) {
 138          if (nv30->vertprog.textures[i] &&
 139              nv30->vertprog.textures[i]->texture == res) {
 140             nv30->dirty |= NV30_NEW_VERTTEX;
 141             nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VERTTEX(i));
 142             if (!--ref)
 143                return ref;
 144          }
 145       }
 146    }
 147
 148    return ref;
 149 }
 150
 151 static void
 152 nv30_context_destroy(struct pipe_context *pipe)
 153 {
 154    struct nv30_context *nv30 = nv30_context(pipe);
 155
 156    if (nv30->blitter)
 157       util_blitter_destroy(nv30->blitter);
 158
 159    if (nv30->draw)
 160       draw_destroy(nv30->draw);
 161
 162    if (nv30->base.pipe.stream_uploader)
 163       u_upload_destroy(nv30->base.pipe.stream_uploader);
 164
 165    if (nv30->blit_vp)
 166       nouveau_heap_free(&nv30->blit_vp);
 167
 168    if (nv30->blit_fp)
 169       pipe_resource_reference(&nv30->blit_fp, NULL);
 170
 171    if (nv30->screen->base.pushbuf->user_priv == &nv30->bufctx)
 172       nv30->screen->base.pushbuf->user_priv = NULL;
 173
 174    nouveau_bufctx_del(&nv30->bufctx);
 175
 176    if (nv30->screen->cur_ctx == nv30)
 177       nv30->screen->cur_ctx = NULL;
 178
 179    nouveau_context_destroy(&nv30->base);
 180 }
 181
 182 #define FAIL_CONTEXT_INIT(str, err)                   \
 183    do {                                               \
 184       NOUVEAU_ERR(str, err);                          \
 185       nv30_context_destroy(pipe);                     \
 186       return NULL;                                    \
 187    } while(0)
 188
 189 struct pipe_context *
 190 nv30_context_create(struct pipe_screen *pscreen, void *priv, unsigned ctxflags)
 191 {
 192    struct nv30_screen *screen = nv30_screen(pscreen);
 193    struct nv30_context *nv30 = CALLOC_STRUCT(nv30_context);
 194    struct nouveau_pushbuf *push;
 195    struct pipe_context *pipe;
 196    int ret;
 197
 198    if (!nv30)
 199       return NULL;
 200
 201    nv30->screen = screen;
 202    nv30->base.screen = &screen->base;
 203    nv30->base.copy_data = nv30_transfer_copy_data;
 204
 205    pipe = &nv30->base.pipe;
 206    pipe->screen = pscreen;
 207    pipe->priv = priv;
 208    pipe->destroy = nv30_context_destroy;
 209    pipe->flush = nv30_context_flush;
 210
 211    nv30->base.pipe.stream_uploader = u_upload_create_default(&nv30->base.pipe);
 212    if (!nv30->base.pipe.stream_uploader) {
 213       nv30_context_destroy(pipe);
 214       return NULL;
 215    }
 216    nv30->base.pipe.const_uploader = nv30->base.pipe.stream_uploader;
 217
 218    /*XXX: *cough* per-context client */
 219    nv30->base.client = screen->base.client;
 220
 221    /*XXX: *cough* per-context pushbufs */
 222    push = screen->base.pushbuf;
 223    nv30->base.pushbuf = push;
 224    nv30->base.pushbuf->user_priv = &nv30->bufctx; /* hack at validate time */
 225    nv30->base.pushbuf->rsvd_kick = 16; /* hack in screen before first space */
 226    nv30->base.pushbuf->kick_notify = nv30_context_kick_notify;
 227
 228    nv30->base.invalidate_resource_storage = nv30_invalidate_resource_storage;
 229
 230    ret = nouveau_bufctx_new(nv30->base.client, 64, &nv30->bufctx);
 231    if (ret) {
 232       nv30_context_destroy(pipe);
 233       return NULL;
 234    }
 235
 236    /*XXX: make configurable with performance vs quality, these defaults
 237     *     match the binary driver's defaults
 238     */
 239    if (screen->eng3d->oclass < NV40_3D_CLASS)
 240       nv30->config.filter = 0x00000004;
 241    else
 242       nv30->config.filter = 0x00002dc4;
 243
 244    nv30->config.aniso = NV40_3D_TEX_WRAP_ANISO_MIP_FILTER_OPTIMIZATION_OFF;
 245
 246    if (debug_get_bool_option("NV30_SWTNL", false))
 247       nv30->draw_flags |= NV30_NEW_SWTNL;
 248
 249    nouveau_context_init(&nv30->base);
 250    nv30->sample_mask = 0xffff;
 251    nv30_vbo_init(pipe);
 252    nv30_query_init(pipe);
 253    nv30_state_init(pipe);
 254    nv30_resource_init(pipe);
 255    nv30_clear_init(pipe);
 256    nv30_fragprog_init(pipe);
 257    nv30_vertprog_init(pipe);
 258    nv30_texture_init(pipe);
 259    nv30_fragtex_init(pipe);
 260    nv40_verttex_init(pipe);
 261    nv30_draw_init(pipe);
 262
 263    nv30->blitter = util_blitter_create(pipe);
 264    if (!nv30->blitter) {
 265       nv30_context_destroy(pipe);
 266       return NULL;
 267    }
 268
 269    nouveau_context_init_vdec(&nv30->base);
 270
 271    return pipe;
 272 }