1 /**********************************************************
2 * Copyright 2008-2012 VMware, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 **********************************************************/
25
26 #include "util/u_debug.h"
27
28 #include "svga_resource.h"
29 #include "svga_resource_buffer.h"
30 #include "svga_resource_texture.h"
31 #include "svga_context.h"
32 #include "svga_screen.h"
33 #include "svga_format.h"
34
35
36 static struct pipe_resource *
svga_resource_create(struct pipe_screen * screen,const struct pipe_resource * template)37 svga_resource_create(struct pipe_screen *screen,
38 const struct pipe_resource *template)
39 {
40 if (template->target == PIPE_BUFFER)
41 return svga_buffer_create(screen, template);
42 else
43 return svga_texture_create(screen, template);
44 }
45
46
47 static struct pipe_resource *
svga_resource_from_handle(struct pipe_screen * screen,const struct pipe_resource * template,struct winsys_handle * whandle,unsigned usage)48 svga_resource_from_handle(struct pipe_screen * screen,
49 const struct pipe_resource *template,
50 struct winsys_handle *whandle,
51 unsigned usage)
52 {
53 if (template->target == PIPE_BUFFER)
54 return NULL;
55 else
56 return svga_texture_from_handle(screen, template, whandle);
57 }
58
59
60 /**
61 * Check if a resource (texture, buffer) of the given size
62 * and format can be created.
63 * \Return TRUE if OK, FALSE if too large.
64 */
65 static boolean
svga_can_create_resource(struct pipe_screen * screen,const struct pipe_resource * res)66 svga_can_create_resource(struct pipe_screen *screen,
67 const struct pipe_resource *res)
68 {
69 struct svga_screen *svgascreen = svga_screen(screen);
70 struct svga_winsys_screen *sws = svgascreen->sws;
71 SVGA3dSurfaceFormat format;
72 SVGA3dSize base_level_size;
73 uint32 numMipLevels;
74 uint32 arraySize;
75
76 if (res->target == PIPE_BUFFER) {
77 format = SVGA3D_BUFFER;
78 base_level_size.width = res->width0;
79 base_level_size.height = 1;
80 base_level_size.depth = 1;
81 numMipLevels = 1;
82 arraySize = 1;
83
84 } else {
85 if (res->target == PIPE_TEXTURE_CUBE)
86 assert(res->array_size == 6);
87
88 format = svga_translate_format(svgascreen, res->format, res->bind);
89 if (format == SVGA3D_FORMAT_INVALID)
90 return FALSE;
91
92 base_level_size.width = res->width0;
93 base_level_size.height = res->height0;
94 base_level_size.depth = res->depth0;
95 numMipLevels = res->last_level + 1;
96 arraySize = res->array_size;
97 }
98
99 return sws->surface_can_create(sws, format, base_level_size,
100 arraySize, numMipLevels);
101 }
102
103
104 void
svga_init_resource_functions(struct svga_context * svga)105 svga_init_resource_functions(struct svga_context *svga)
106 {
107 svga->pipe.transfer_map = u_transfer_map_vtbl;
108 svga->pipe.transfer_flush_region = u_transfer_flush_region_vtbl;
109 svga->pipe.transfer_unmap = u_transfer_unmap_vtbl;
110 svga->pipe.buffer_subdata = u_default_buffer_subdata;
111 svga->pipe.texture_subdata = u_default_texture_subdata;
112
113 if (svga_have_vgpu10(svga)) {
114 svga->pipe.generate_mipmap = svga_texture_generate_mipmap;
115 } else {
116 svga->pipe.generate_mipmap = NULL;
117 }
118 }
119
120 void
svga_init_screen_resource_functions(struct svga_screen * is)121 svga_init_screen_resource_functions(struct svga_screen *is)
122 {
123 is->screen.resource_create = svga_resource_create;
124 is->screen.resource_from_handle = svga_resource_from_handle;
125 is->screen.resource_get_handle = u_resource_get_handle_vtbl;
126 is->screen.resource_destroy = u_resource_destroy_vtbl;
127 is->screen.can_create_resource = svga_can_create_resource;
128 }
129