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 /**
37 * This is the primary driver entrypoint for allocating graphics memory
38 * (vertex/index/constant buffers, textures, etc)
39 */
40 static struct pipe_resource *
svga_resource_create(struct pipe_screen * screen,const struct pipe_resource * template)41 svga_resource_create(struct pipe_screen *screen,
42 const struct pipe_resource *template)
43 {
44 struct pipe_resource *r;
45
46 if (template->target == PIPE_BUFFER)
47 r = svga_buffer_create(screen, template);
48 else
49 r = svga_texture_create(screen, template);
50
51 if (!r) {
52 struct svga_screen *svgascreen = svga_screen(screen);
53 svgascreen->hud.num_failed_allocations++;
54 }
55
56 return r;
57 }
58
59
60 static struct pipe_resource *
svga_resource_from_handle(struct pipe_screen * screen,const struct pipe_resource * template,struct winsys_handle * whandle,unsigned usage)61 svga_resource_from_handle(struct pipe_screen * screen,
62 const struct pipe_resource *template,
63 struct winsys_handle *whandle,
64 unsigned usage)
65 {
66 if (template->target == PIPE_BUFFER)
67 return NULL;
68 else
69 return svga_texture_from_handle(screen, template, whandle);
70 }
71
72
73 /**
74 * Check if a resource (texture, buffer) of the given size
75 * and format can be created.
76 * \Return TRUE if OK, FALSE if too large.
77 */
78 static bool
svga_can_create_resource(struct pipe_screen * screen,const struct pipe_resource * res)79 svga_can_create_resource(struct pipe_screen *screen,
80 const struct pipe_resource *res)
81 {
82 struct svga_screen *svgascreen = svga_screen(screen);
83 struct svga_winsys_screen *sws = svgascreen->sws;
84 SVGA3dSurfaceFormat format;
85 SVGA3dSize base_level_size;
86 uint32 numMipLevels;
87 uint32 arraySize;
88 uint32 numSamples;
89
90 if (res->target == PIPE_BUFFER) {
91 format = SVGA3D_BUFFER;
92 base_level_size.width = res->width0;
93 base_level_size.height = 1;
94 base_level_size.depth = 1;
95 numMipLevels = 1;
96 arraySize = 1;
97 numSamples = 0;
98
99 } else {
100 if (res->target == PIPE_TEXTURE_CUBE)
101 assert(res->array_size == 6);
102
103 format = svga_translate_format(svgascreen, res->format, res->bind);
104 if (format == SVGA3D_FORMAT_INVALID)
105 return false;
106
107 base_level_size.width = res->width0;
108 base_level_size.height = res->height0;
109 base_level_size.depth = res->depth0;
110 numMipLevels = res->last_level + 1;
111 arraySize = res->array_size;
112 numSamples = res->nr_samples;
113 }
114
115 return sws->surface_can_create(sws, format, base_level_size,
116 arraySize, numMipLevels, numSamples);
117 }
118
119
120 void
svga_init_resource_functions(struct svga_context * svga)121 svga_init_resource_functions(struct svga_context *svga)
122 {
123 svga->pipe.transfer_map = u_transfer_map_vtbl;
124 svga->pipe.transfer_flush_region = u_transfer_flush_region_vtbl;
125 svga->pipe.transfer_unmap = u_transfer_unmap_vtbl;
126 svga->pipe.buffer_subdata = u_default_buffer_subdata;
127 svga->pipe.texture_subdata = u_default_texture_subdata;
128
129 if (svga_have_vgpu10(svga)) {
130 svga->pipe.generate_mipmap = svga_texture_generate_mipmap;
131 } else {
132 svga->pipe.generate_mipmap = NULL;
133 }
134 }
135
136 void
svga_init_screen_resource_functions(struct svga_screen * is)137 svga_init_screen_resource_functions(struct svga_screen *is)
138 {
139 is->screen.resource_create = svga_resource_create;
140 is->screen.resource_from_handle = svga_resource_from_handle;
141 is->screen.resource_get_handle = u_resource_get_handle_vtbl;
142 is->screen.resource_destroy = u_resource_destroy_vtbl;
143 is->screen.can_create_resource = svga_can_create_resource;
144 }
145