1
2 #include "pipe/p_context.h"
3 #include "util/u_inlines.h"
4 #include "util/format/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 void
nv50_resource_destroy(struct pipe_screen * pscreen,struct pipe_resource * res)23 nv50_resource_destroy(struct pipe_screen *pscreen, struct pipe_resource *res)
24 {
25 if (res->target == PIPE_BUFFER)
26 nouveau_buffer_destroy(pscreen, res);
27 else
28 nv50_miptree_destroy(pscreen, res);
29 }
30
31 static struct pipe_resource *
nv50_resource_from_handle(struct pipe_screen * screen,const struct pipe_resource * templ,struct winsys_handle * whandle,unsigned usage)32 nv50_resource_from_handle(struct pipe_screen * screen,
33 const struct pipe_resource *templ,
34 struct winsys_handle *whandle,
35 unsigned usage)
36 {
37 if (templ->target == PIPE_BUFFER)
38 return NULL;
39 else
40 return nv50_miptree_from_handle(screen, templ, whandle);
41 }
42
43 struct pipe_surface *
nv50_surface_from_buffer(struct pipe_context * pipe,struct pipe_resource * pbuf,const struct pipe_surface * templ)44 nv50_surface_from_buffer(struct pipe_context *pipe,
45 struct pipe_resource *pbuf,
46 const struct pipe_surface *templ)
47 {
48 struct nv50_surface *sf = CALLOC_STRUCT(nv50_surface);
49 if (!sf)
50 return NULL;
51
52 pipe_reference_init(&sf->base.reference, 1);
53 pipe_resource_reference(&sf->base.texture, pbuf);
54
55 sf->base.format = templ->format;
56 sf->base.writable = templ->writable;
57 sf->base.u.buf.first_element = templ->u.buf.first_element;
58 sf->base.u.buf.last_element = templ->u.buf.last_element;
59
60 sf->offset =
61 templ->u.buf.first_element * util_format_get_blocksize(sf->base.format);
62
63 sf->offset &= ~0x7f; /* FIXME: RT_ADDRESS requires 128 byte alignment */
64
65 sf->width = templ->u.buf.last_element - templ->u.buf.first_element + 1;
66 sf->height = 1;
67 sf->depth = 1;
68
69 sf->base.width = sf->width;
70 sf->base.height = sf->height;
71
72 sf->base.context = pipe;
73 return &sf->base;
74 }
75
76 static struct pipe_surface *
nv50_surface_create(struct pipe_context * pipe,struct pipe_resource * pres,const struct pipe_surface * templ)77 nv50_surface_create(struct pipe_context *pipe,
78 struct pipe_resource *pres,
79 const struct pipe_surface *templ)
80 {
81 if (unlikely(pres->target == PIPE_BUFFER))
82 return nv50_surface_from_buffer(pipe, pres, templ);
83 return nv50_miptree_surface_new(pipe, pres, templ);
84 }
85
86 void
nv50_surface_destroy(struct pipe_context * pipe,struct pipe_surface * ps)87 nv50_surface_destroy(struct pipe_context *pipe, struct pipe_surface *ps)
88 {
89 struct nv50_surface *s = nv50_surface(ps);
90
91 pipe_resource_reference(&ps->texture, NULL);
92
93 FREE(s);
94 }
95
96 void
nv50_invalidate_resource(struct pipe_context * pipe,struct pipe_resource * res)97 nv50_invalidate_resource(struct pipe_context *pipe, struct pipe_resource *res)
98 {
99 if (res->target == PIPE_BUFFER)
100 nouveau_buffer_invalidate(pipe, res);
101 }
102
103 struct pipe_memory_object *
nv50_memobj_create_from_handle(struct pipe_screen * screen,struct winsys_handle * handle,bool dedicated)104 nv50_memobj_create_from_handle(struct pipe_screen *screen,
105 struct winsys_handle *handle,
106 bool dedicated)
107 {
108 struct nv50_memobj *memobj = CALLOC_STRUCT(nv50_memobj);
109
110 memobj->bo = nouveau_screen_bo_from_handle(screen, handle, &memobj->stride);
111 if (memobj->bo == NULL) {
112 FREE(memobj);
113 return NULL;
114 }
115 memobj->handle = handle;
116 memobj->b.dedicated = dedicated;
117
118 return &memobj->b;
119 }
120
121 void
nv50_memobj_destroy(struct pipe_screen * screen,struct pipe_memory_object * pmemobj)122 nv50_memobj_destroy(struct pipe_screen *screen,
123 struct pipe_memory_object *pmemobj)
124 {
125 struct nv50_memobj *memobj = (struct nv50_memobj *)pmemobj;
126
127 free(memobj->handle);
128 free(memobj->bo);
129 free(memobj);
130 }
131
132 struct pipe_resource *
nv50_resource_from_memobj(struct pipe_screen * screen,const struct pipe_resource * templ,struct pipe_memory_object * pmemobj,uint64_t offset)133 nv50_resource_from_memobj(struct pipe_screen *screen,
134 const struct pipe_resource *templ,
135 struct pipe_memory_object *pmemobj,
136 uint64_t offset)
137 {
138 struct nv50_miptree *mt;
139 struct nv50_memobj *memobj = (struct nv50_memobj *)pmemobj;
140
141 /* only supports 2D, non-mipmapped textures for the moment */
142 if ((templ->target != PIPE_TEXTURE_2D &&
143 templ->target != PIPE_TEXTURE_RECT) ||
144 templ->last_level != 0 ||
145 templ->depth0 != 1 ||
146 templ->array_size > 1)
147 return NULL;
148
149 mt = CALLOC_STRUCT(nv50_miptree);
150 if (!mt)
151 return NULL;
152
153 mt->base.bo = memobj->bo;
154
155 mt->base.domain = mt->base.bo->flags & NOUVEAU_BO_APER;
156 mt->base.address = mt->base.bo->offset;
157
158 mt->base.base = *templ;
159 pipe_reference_init(&mt->base.base.reference, 1);
160 mt->base.base.screen = screen;
161 mt->level[0].offset = 0;
162 mt->level[0].tile_mode = mt->base.bo->config.nv50.tile_mode;
163
164 NOUVEAU_DRV_STAT(nouveau_screen(screen), tex_obj_current_count, 1);
165
166 /* no need to adjust bo reference count */
167 return &mt->base.base;
168 }
169
170 void
nv50_init_resource_functions(struct pipe_context * pcontext)171 nv50_init_resource_functions(struct pipe_context *pcontext)
172 {
173 pcontext->buffer_map = nouveau_buffer_transfer_map;
174 pcontext->texture_map = nv50_miptree_transfer_map;
175 pcontext->transfer_flush_region = nouveau_buffer_transfer_flush_region;
176 pcontext->buffer_unmap = nouveau_buffer_transfer_unmap;
177 pcontext->texture_unmap = nv50_miptree_transfer_unmap;
178 pcontext->buffer_subdata = u_default_buffer_subdata;
179 pcontext->texture_subdata = u_default_texture_subdata;
180 pcontext->create_surface = nv50_surface_create;
181 pcontext->surface_destroy = nv50_surface_destroy;
182 pcontext->invalidate_resource = nv50_invalidate_resource;
183 }
184
185 void
nv50_screen_init_resource_functions(struct pipe_screen * pscreen)186 nv50_screen_init_resource_functions(struct pipe_screen *pscreen)
187 {
188 pscreen->resource_create = nv50_resource_create;
189 pscreen->resource_from_handle = nv50_resource_from_handle;
190 pscreen->resource_get_handle = nv50_miptree_get_handle;
191 pscreen->resource_destroy = nv50_resource_destroy;
192
193 pscreen->memobj_create_from_handle = nv50_memobj_create_from_handle;
194 pscreen->resource_from_memobj = nv50_resource_from_memobj;
195 pscreen->memobj_destroy = nv50_memobj_destroy;
196 }
197