1 /**********************************************************
2 * Copyright 2008-2012 VMware, Inc. All rights reserved.
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:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
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
24 **********************************************************/
26 #include "util/u_debug.h"
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"
37 * This is the primary driver entrypoint for allocating graphics memory
38 * (vertex/index/constant buffers, textures, etc)
40 static struct pipe_resource
*
41 svga_resource_create(struct pipe_screen
*screen
,
42 const struct pipe_resource
*template)
44 struct pipe_resource
*r
;
46 if (template->target
== PIPE_BUFFER
)
47 r
= svga_buffer_create(screen
, template);
49 r
= svga_texture_create(screen
, template);
52 struct svga_screen
*svgascreen
= svga_screen(screen
);
53 svgascreen
->hud
.num_failed_allocations
++;
60 static struct pipe_resource
*
61 svga_resource_from_handle(struct pipe_screen
* screen
,
62 const struct pipe_resource
*template,
63 struct winsys_handle
*whandle
,
66 if (template->target
== PIPE_BUFFER
)
69 return svga_texture_from_handle(screen
, template, whandle
);
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.
79 svga_can_create_resource(struct pipe_screen
*screen
,
80 const struct pipe_resource
*res
)
82 struct svga_screen
*svgascreen
= svga_screen(screen
);
83 struct svga_winsys_screen
*sws
= svgascreen
->sws
;
84 SVGA3dSurfaceFormat format
;
85 SVGA3dSize base_level_size
;
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;
100 if (res
->target
== PIPE_TEXTURE_CUBE
)
101 assert(res
->array_size
== 6);
103 format
= svga_translate_format(svgascreen
, res
->format
, res
->bind
);
104 if (format
== SVGA3D_FORMAT_INVALID
)
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
;
115 return sws
->surface_can_create(sws
, format
, base_level_size
,
116 arraySize
, numMipLevels
, numSamples
);
121 svga_init_resource_functions(struct svga_context
*svga
)
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
;
129 if (svga_have_vgpu10(svga
)) {
130 svga
->pipe
.generate_mipmap
= svga_texture_generate_mipmap
;
132 svga
->pipe
.generate_mipmap
= NULL
;
137 svga_init_screen_resource_functions(struct svga_screen
*is
)
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
;