1
2 #include "pipe/p_context.h"
3 #include "util/u_inlines.h"
4 #include "util/u_format.h"
5
6 #include "nouveau_screen.h"
7
8 #include "nv50/nv50_resource.h"
9
10 static struct pipe_resource *
nv50_resource_create(struct pipe_screen * screen,const struct pipe_resource * templ)11 nv50_resource_create(struct pipe_screen *screen,
12 const struct pipe_resource *templ)
13 {
14 switch (templ->target) {
15 case PIPE_BUFFER:
16 return nouveau_buffer_create(screen, templ);
17 default:
18 return nv50_miptree_create(screen, templ);
19 }
20 }
21
22 static struct pipe_resource *
nv50_resource_from_handle(struct pipe_screen * screen,const struct pipe_resource * templ,struct winsys_handle * whandle,unsigned usage)23 nv50_resource_from_handle(struct pipe_screen * screen,
24 const struct pipe_resource *templ,
25 struct winsys_handle *whandle,
26 unsigned usage)
27 {
28 if (templ->target == PIPE_BUFFER)
29 return NULL;
30 else
31 return nv50_miptree_from_handle(screen, templ, whandle);
32 }
33
34 struct pipe_surface *
nv50_surface_from_buffer(struct pipe_context * pipe,struct pipe_resource * pbuf,const struct pipe_surface * templ)35 nv50_surface_from_buffer(struct pipe_context *pipe,
36 struct pipe_resource *pbuf,
37 const struct pipe_surface *templ)
38 {
39 struct nv50_surface *sf = CALLOC_STRUCT(nv50_surface);
40 if (!sf)
41 return NULL;
42
43 pipe_reference_init(&sf->base.reference, 1);
44 pipe_resource_reference(&sf->base.texture, pbuf);
45
46 sf->base.format = templ->format;
47 sf->base.writable = templ->writable;
48 sf->base.u.buf.first_element = templ->u.buf.first_element;
49 sf->base.u.buf.last_element = templ->u.buf.last_element;
50
51 sf->offset =
52 templ->u.buf.first_element * util_format_get_blocksize(sf->base.format);
53
54 sf->offset &= ~0x7f; /* FIXME: RT_ADDRESS requires 128 byte alignment */
55
56 sf->width = templ->u.buf.last_element - templ->u.buf.first_element + 1;
57 sf->height = 1;
58 sf->depth = 1;
59
60 sf->base.width = sf->width;
61 sf->base.height = sf->height;
62
63 sf->base.context = pipe;
64 return &sf->base;
65 }
66
67 static struct pipe_surface *
nv50_surface_create(struct pipe_context * pipe,struct pipe_resource * pres,const struct pipe_surface * templ)68 nv50_surface_create(struct pipe_context *pipe,
69 struct pipe_resource *pres,
70 const struct pipe_surface *templ)
71 {
72 if (unlikely(pres->target == PIPE_BUFFER))
73 return nv50_surface_from_buffer(pipe, pres, templ);
74 return nv50_miptree_surface_new(pipe, pres, templ);
75 }
76
77 void
nv50_surface_destroy(struct pipe_context * pipe,struct pipe_surface * ps)78 nv50_surface_destroy(struct pipe_context *pipe, struct pipe_surface *ps)
79 {
80 struct nv50_surface *s = nv50_surface(ps);
81
82 pipe_resource_reference(&ps->texture, NULL);
83
84 FREE(s);
85 }
86
87 void
nv50_invalidate_resource(struct pipe_context * pipe,struct pipe_resource * res)88 nv50_invalidate_resource(struct pipe_context *pipe, struct pipe_resource *res)
89 {
90 if (res->target == PIPE_BUFFER)
91 nouveau_buffer_invalidate(pipe, res);
92 }
93
94 void
nv50_init_resource_functions(struct pipe_context * pcontext)95 nv50_init_resource_functions(struct pipe_context *pcontext)
96 {
97 pcontext->transfer_map = u_transfer_map_vtbl;
98 pcontext->transfer_flush_region = u_transfer_flush_region_vtbl;
99 pcontext->transfer_unmap = u_transfer_unmap_vtbl;
100 pcontext->buffer_subdata = u_default_buffer_subdata;
101 pcontext->texture_subdata = u_default_texture_subdata;
102 pcontext->create_surface = nv50_surface_create;
103 pcontext->surface_destroy = nv50_surface_destroy;
104 pcontext->invalidate_resource = nv50_invalidate_resource;
105 }
106
107 void
nv50_screen_init_resource_functions(struct pipe_screen * pscreen)108 nv50_screen_init_resource_functions(struct pipe_screen *pscreen)
109 {
110 pscreen->resource_create = nv50_resource_create;
111 pscreen->resource_from_handle = nv50_resource_from_handle;
112 pscreen->resource_get_handle = u_resource_get_handle_vtbl;
113 pscreen->resource_destroy = u_resource_destroy_vtbl;
114 }
115