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