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 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
  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                   NOUVEAU_BUFFER_STATUS_DIRTY;
  64             }
  65          }
  66       }
  67    }
  68 }
  69
  70 static void
  71 nv30_context_flush(struct pipe_context *pipe, struct pipe_fence_handle **fence,
  72                    unsigned flags)
  73 {
  74    struct nv30_context *nv30 = nv30_context(pipe);
  75    struct nouveau_pushbuf *push = nv30->base.pushbuf;
  76
  77    if (fence)
  78       nouveau_fence_ref(nv30->screen->base.fence.current,
  79                         (struct nouveau_fence **)fence);
  80
  81    PUSH_KICK(push);
  82
  83    nouveau_context_update_frame_stats(&nv30->base);
  84 }
  85
  86 static int
  87 nv30_invalidate_resource_storage(struct nouveau_context *nv,
  88                                  struct pipe_resource *res,
  89                                  int ref)
  90 {
  91    struct nv30_context *nv30 = nv30_context(&nv->pipe);
  92    unsigned i;
  93
  94    if (res->bind & PIPE_BIND_RENDER_TARGET) {
  95       for (i = 0; i < nv30->framebuffer.nr_cbufs; ++i) {
  96          if (nv30->framebuffer.cbufs[i] &&
  97              nv30->framebuffer.cbufs[i]->texture == res) {
  98             nv30->dirty |= NV30_NEW_FRAMEBUFFER;
  99             nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FB);
 100             if (!--ref)
 101                return ref;
 102          }
 103       }
 104    }
 105    if (res->bind & PIPE_BIND_DEPTH_STENCIL) {
 106       if (nv30->framebuffer.zsbuf &&
 107           nv30->framebuffer.zsbuf->texture == res) {
 108             nv30->dirty |= NV30_NEW_FRAMEBUFFER;
 109             nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FB);
 110             if (!--ref)
 111                return ref;
 112       }
 113    }
 114
 115    if (res->bind & PIPE_BIND_VERTEX_BUFFER) {
 116       for (i = 0; i < nv30->num_vtxbufs; ++i) {
 117          if (nv30->vtxbuf[i].buffer == res) {
 118             nv30->dirty |= NV30_NEW_ARRAYS;
 119             nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VTXBUF);
 120             if (!--ref)
 121                return ref;
 122          }
 123       }
 124    }
 125    if (res->bind & PIPE_BIND_INDEX_BUFFER) {
 126       if (nv30->idxbuf.buffer == res) {
 127          nouveau_bufctx_reset(nv30->bufctx, BUFCTX_IDXBUF);
 128          if (!--ref)
 129             return ref;
 130       }
 131    }
 132
 133    if (res->bind & PIPE_BIND_SAMPLER_VIEW) {
 134       for (i = 0; i < nv30->fragprog.num_textures; ++i) {
 135          if (nv30->fragprog.textures[i] &&
 136              nv30->fragprog.textures[i]->texture == res) {
 137             nv30->dirty |= NV30_NEW_FRAGTEX;
 138             nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FRAGTEX(i));
 139             if (!--ref)
 140                return ref;
 141          }
 142       }
 143       for (i = 0; i < nv30->vertprog.num_textures; ++i) {
 144          if (nv30->vertprog.textures[i] &&
 145              nv30->vertprog.textures[i]->texture == res) {
 146             nv30->dirty |= NV30_NEW_VERTTEX;
 147             nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VERTTEX(i));
 148             if (!--ref)
 149                return ref;
 150          }
 151       }
 152    }
 153
 154    return ref;
 155 }
 156
 157 static void
 158 nv30_context_destroy(struct pipe_context *pipe)
 159 {
 160    struct nv30_context *nv30 = nv30_context(pipe);
 161
 162    if (nv30->blitter)
 163       util_blitter_destroy(nv30->blitter);
 164
 165    if (nv30->draw)
 166       draw_destroy(nv30->draw);
 167
 168    nouveau_bufctx_del(&nv30->bufctx);
 169
 170    if (nv30->screen->cur_ctx == nv30)
 171       nv30->screen->cur_ctx = NULL;
 172
 173    nouveau_context_destroy(&nv30->base);
 174 }
 175
 176 #define FAIL_CONTEXT_INIT(str, err)                   \
 177    do {                                               \
 178       NOUVEAU_ERR(str, err);                          \
 179       nv30_context_destroy(pipe);                     \
 180       return NULL;                                    \
 181    } while(0)
 182
 183 struct pipe_context *
 184 nv30_context_create(struct pipe_screen *pscreen, void *priv)
 185 {
 186    struct nv30_screen *screen = nv30_screen(pscreen);
 187    struct nv30_context *nv30 = CALLOC_STRUCT(nv30_context);
 188    struct nouveau_pushbuf *push;
 189    struct pipe_context *pipe;
 190    int ret;
 191
 192    if (!nv30)
 193       return NULL;
 194
 195    nv30->screen = screen;
 196    nv30->base.screen = &screen->base;
 197    nv30->base.copy_data = nv30_transfer_copy_data;
 198
 199    pipe = &nv30->base.pipe;
 200    pipe->screen = pscreen;
 201    pipe->priv = priv;
 202    pipe->destroy = nv30_context_destroy;
 203    pipe->flush = nv30_context_flush;
 204
 205    /*XXX: *cough* per-context client */
 206    nv30->base.client = screen->base.client;
 207
 208    /*XXX: *cough* per-context pushbufs */
 209    push = screen->base.pushbuf;
 210    nv30->base.pushbuf = push;
 211    nv30->base.pushbuf->user_priv = push->user_priv; /* hack at validate time */
 212    nv30->base.pushbuf->rsvd_kick = 16; /* hack in screen before first space */
 213    nv30->base.pushbuf->kick_notify = nv30_context_kick_notify;
 214
 215    nv30->base.invalidate_resource_storage = nv30_invalidate_resource_storage;
 216
 217    ret = nouveau_bufctx_new(nv30->base.client, 64, &nv30->bufctx);
 218    if (ret) {
 219       nv30_context_destroy(pipe);
 220       return NULL;
 221    }
 222
 223    /*XXX: make configurable with performance vs quality, these defaults
 224     *     match the binary driver's defaults
 225     */
 226    if (screen->eng3d->oclass < NV40_3D_CLASS)
 227       nv30->config.filter = 0x00000004;
 228    else
 229       nv30->config.filter = 0x00002dc4;
 230
 231    nv30->config.aniso = NV40_3D_TEX_WRAP_ANISO_MIP_FILTER_OPTIMIZATION_OFF;
 232
 233    if (debug_get_bool_option("NV30_SWTNL", FALSE))
 234       nv30->draw_flags |= NV30_NEW_SWTNL;
 235
 236    /*XXX: nvfx... */
 237    nv30->is_nv4x = (screen->eng3d->oclass >= NV40_3D_CLASS) ? ~0 : 0;
 238    nv30->use_nv4x = (screen->eng3d->oclass >= NV40_3D_CLASS) ? ~0 : 0;
 239    nv30->render_mode = HW;
 240
 241    nv30->sample_mask = 0xffff;
 242    nv30_vbo_init(pipe);
 243    nv30_query_init(pipe);
 244    nv30_state_init(pipe);
 245    nv30_resource_init(pipe);
 246    nv30_clear_init(pipe);
 247    nv30_fragprog_init(pipe);
 248    nv30_vertprog_init(pipe);
 249    nv30_texture_init(pipe);
 250    nv30_fragtex_init(pipe);
 251    nv40_verttex_init(pipe);
 252    nv30_draw_init(pipe);
 253
 254    nv30->blitter = util_blitter_create(pipe);
 255    if (!nv30->blitter) {
 256       nv30_context_destroy(pipe);
 257       return NULL;
 258    }
 259
 260    return pipe;
 261 }