2 * Copyright 2014, 2015 Red Hat.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 #include "pipe/p_screen.h"
27 #include "util/slab.h"
28 #include "virgl_winsys.h"
30 enum virgl_debug_flags
{
31 VIRGL_DEBUG_VERBOSE
= 1 << 0,
32 VIRGL_DEBUG_TGSI
= 1 << 1,
33 VIRGL_DEBUG_EMULATE_BGRA
= 1 << 2,
34 VIRGL_DEBUG_BGRA_DEST_SWIZZLE
= 1 << 3,
35 VIRGL_DEBUG_SYNC
= 1 << 4,
36 VIRGL_DEBUG_XFER
= 1 << 5,
39 extern int virgl_debug
;
42 struct pipe_screen base
;
46 /* place for winsys to stash it's own stuff: */
49 struct virgl_winsys
*vws
;
51 struct virgl_drm_caps caps
;
53 struct slab_parent_pool transfer_pool
;
56 bool tweak_gles_emulate_bgra
;
57 bool tweak_gles_apply_bgra_dest_swizzle
;
58 int32_t tweak_gles_tf3_value
;
62 static inline struct virgl_screen
*
63 virgl_screen(struct pipe_screen
*pipe
)
65 return (struct virgl_screen
*)pipe
;
69 virgl_has_readback_format(struct pipe_screen
*screen
, enum virgl_formats fmt
);
71 /* GL_ARB_map_buffer_alignment requires 64 as the minimum alignment value. In
72 * addition to complying with the extension, a high enough alignment value is
73 * expected by various external GL clients. For example, wined3d doesn't like
74 * maps that don't have a 16 byte alignment.
76 #define VIRGL_MAP_BUFFER_ALIGNMENT 64