pan_screen.h revision b8e80941 
1/**************************************************************************
2 *
3 * Copyright 2018-2019 Alyssa Rosenzweig
4 * Copyright 2018-2019 Collabora
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 **************************************************************************/
28
29#ifndef PAN_SCREEN_H
30#define PAN_SCREEN_H
31
32#include "pipe/p_screen.h"
33#include "pipe/p_defines.h"
34#include "renderonly/renderonly.h"
35
36#include <panfrost-misc.h>
37#include "pan_allocate.h"
38#include "pan_trace.h"
39
40struct panfrost_context;
41struct panfrost_resource;
42struct panfrost_screen;
43
44/* Flags for allocated memory */
45#define PAN_ALLOCATE_EXECUTE (1 << 0)
46#define PAN_ALLOCATE_GROWABLE (1 << 1)
47#define PAN_ALLOCATE_INVISIBLE (1 << 2)
48#define PAN_ALLOCATE_COHERENT_LOCAL (1 << 3)
49
50struct panfrost_driver {
51	struct panfrost_bo * (*import_bo) (struct panfrost_screen *screen, struct winsys_handle *whandle);
52	int (*export_bo) (struct panfrost_screen *screen, int gem_handle, unsigned int stride, struct winsys_handle *whandle);
53
54	int (*submit_vs_fs_job) (struct panfrost_context *ctx, bool has_draws, bool is_scanout);
55	void (*force_flush_fragment) (struct panfrost_context *ctx,
56				      struct pipe_fence_handle **fence);
57	void (*allocate_slab) (struct panfrost_screen *screen,
58		               struct panfrost_memory *mem,
59		               size_t pages,
60		               bool same_va,
61		               int extra_flags,
62		               int commit_count,
63		               int extent);
64        void (*free_slab) (struct panfrost_screen *screen,
65                           struct panfrost_memory *mem);
66        void (*free_imported_bo) (struct panfrost_screen *screen,
67                             struct panfrost_bo *bo);
68        void (*enable_counters) (struct panfrost_screen *screen);
69        void (*dump_counters) (struct panfrost_screen *screen);
70	unsigned (*query_gpu_version) (struct panfrost_screen *screen);
71	int (*init_context) (struct panfrost_context *ctx);
72	void (*fence_reference) (struct pipe_screen *screen,
73                         struct pipe_fence_handle **ptr,
74                         struct pipe_fence_handle *fence);
75	boolean (*fence_finish) (struct pipe_screen *screen,
76                      struct pipe_context *ctx,
77                      struct pipe_fence_handle *fence,
78                      uint64_t timeout);
79};
80
81struct panfrost_screen {
82        struct pipe_screen base;
83
84        struct renderonly *ro;
85        struct panfrost_driver *driver;
86
87        struct panfrost_memory perf_counters;
88
89        /* Memory management is based on subdividing slabs with AMD's allocator */
90        struct pb_slabs slabs;
91
92        /* TODO: Where? */
93        struct panfrost_resource *display_target;
94
95        /* While we're busy building up the job for frame N, the GPU is
96         * still busy executing frame N-1. So hold a reference to
97         * yesterjob */
98	int last_fragment_flushed;
99        struct panfrost_job *last_job;
100};
101
102#endif /* PAN_SCREEN_H */
103