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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
nv30_memory_barrier(struct pipe_context * pipe,unsigned flags)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 *
nv30_resource_create(struct pipe_screen * pscreen,const struct pipe_resource * tmpl)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 *
nv30_resource_from_handle(struct pipe_screen * pscreen,const struct pipe_resource * tmpl,struct winsys_handle * handle,unsigned usage)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
nv30_resource_screen_init(struct pipe_screen * pscreen)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
nv30_resource_init(struct pipe_context * pipe)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 }
98