2 * Copyright © 2017 Intel Corporation
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 "state_tracker/drm_driver.h"
28 #include "util/disk_cache.h"
29 #include "util/slab.h"
30 #include "util/u_screen.h"
31 #include "intel/dev/gen_device_info.h"
32 #include "intel/isl/isl.h"
33 #include "iris_bufmgr.h"
37 #define READ_ONCE(x) (*(volatile __typeof__(x) *)&(x))
38 #define WRITE_ONCE(x, v) *(volatile __typeof__(x) *)&(x) = (v)
40 #define IRIS_MAX_TEXTURE_SAMPLERS 32
41 #define IRIS_MAX_SOL_BUFFERS 4
42 #define IRIS_MAP_BUFFER_ALIGNMENT 64
45 struct pipe_screen base
;
47 /** Global slab allocator for iris_transfer_map objects */
48 struct slab_parent_pool transfer_pool
;
50 /** drm device file descriptor */
53 /** PCI ID for our GPU device */
58 /** Global program_string_id counter (see get_program_string_id()) */
61 /** Precompile shaders at link time? (Can be disabled for debugging.) */
64 /** driconf options and application workarounds */
66 /** Dual color blend by location instead of index (for broken apps) */
67 bool dual_color_blend_by_location
;
70 unsigned subslice_total
;
72 uint64_t aperture_bytes
;
74 struct gen_device_info devinfo
;
75 struct isl_device isl_dev
;
76 struct iris_bufmgr
*bufmgr
;
77 struct brw_compiler
*compiler
;
80 * A buffer containing nothing useful, for hardware workarounds that
81 * require scratch writes or reads from some unimportant memory.
83 struct iris_bo
*workaround_bo
;
85 struct disk_cache
*disk_cache
;
89 iris_screen_create(int fd
, const struct pipe_screen_config
*config
);
92 iris_is_format_supported(struct pipe_screen
*pscreen
,
93 enum pipe_format format
,
94 enum pipe_texture_target target
,
95 unsigned sample_count
,
96 unsigned storage_sample_count
,
99 void iris_disk_cache_init(struct iris_screen
*screen
);