src/gallium/drivers/nouveau/nv30/nv30_resource.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 "util/u_format.h"
  27 #include "util/u_inlines.h"
  28
  29 #include "nv30/nv30_screen.h"
  30 #include "nv30/nv30_context.h"
  31 #include "nv30/nv30_resource.h"
  32 #include "nv30/nv30_transfer.h"
  33
  34 static void
  35 nv30_memory_barrier(struct pipe_context *pipe, unsigned flags)
  36 {
  37    struct nv30_context *nv30 = nv30_context(pipe);
  38    int i;
  39
  40    if (flags & PIPE_BARRIER_MAPPED_BUFFER) {
  41       for (i = 0; i < nv30->num_vtxbufs; ++i) {
  42          if (!nv30->vtxbuf[i].buffer.resource)
  43             continue;
  44          if (nv30->vtxbuf[i].buffer.resource->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
  45             nv30->base.vbo_dirty = true;
  46       }
  47    }
  48 }
  49
  50 static struct pipe_resource *
  51 nv30_resource_create(struct pipe_screen *pscreen,
  52                      const struct pipe_resource *tmpl)
  53 {
  54    switch (tmpl->target) {
  55    case PIPE_BUFFER:
  56       return nouveau_buffer_create(pscreen, tmpl);
  57    default:
  58       return nv30_miptree_create(pscreen, tmpl);
  59    }
  60 }
  61
  62 static struct pipe_resource *
  63 nv30_resource_from_handle(struct pipe_screen *pscreen,
  64                           const struct pipe_resource *tmpl,
  65                           struct winsys_handle *handle,
  66                           unsigned usage)
  67 {
  68    if (tmpl->target == PIPE_BUFFER)
  69       return NULL;
  70    else
  71       return nv30_miptree_from_handle(pscreen, tmpl, handle);
  72 }
  73
  74 void
  75 nv30_resource_screen_init(struct pipe_screen *pscreen)
  76 {
  77    pscreen->resource_create = nv30_resource_create;
  78    pscreen->resource_from_handle = nv30_resource_from_handle;
  79    pscreen->resource_get_handle = u_resource_get_handle_vtbl;
  80    pscreen->resource_destroy = u_resource_destroy_vtbl;
  81 }
  82
  83 void
  84 nv30_resource_init(struct pipe_context *pipe)
  85 {
  86    pipe->transfer_map = u_transfer_map_vtbl;
  87    pipe->transfer_flush_region = u_transfer_flush_region_vtbl;
  88    pipe->transfer_unmap = u_transfer_unmap_vtbl;
  89    pipe->buffer_subdata = u_default_buffer_subdata;
  90    pipe->texture_subdata = u_default_texture_subdata;
  91    pipe->create_surface = nv30_miptree_surface_new;
  92    pipe->surface_destroy = nv30_miptree_surface_del;
  93    pipe->resource_copy_region = nv30_resource_copy_region;
  94    pipe->blit = nv30_blit;
  95    pipe->flush_resource = nv30_flush_resource;
  96    pipe->memory_barrier = nv30_memory_barrier;
  97 }