src/gallium/drivers/panfrost/pan_screen.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2018-2019 Alyssa Rosenzweig
   4  * Copyright 2018-2019 Collabora, Ltd.
   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
  39 struct panfrost_context;
  40 struct panfrost_resource;
  41 struct panfrost_screen;
  42
  43 /* Flags for allocated memory */
  44 #define PAN_ALLOCATE_EXECUTE (1 << 0)
  45 #define PAN_ALLOCATE_GROWABLE (1 << 1)
  46 #define PAN_ALLOCATE_INVISIBLE (1 << 2)
  47 #define PAN_ALLOCATE_COHERENT_LOCAL (1 << 3)
  48
  49 struct panfrost_screen {
  50         struct pipe_screen base;
  51         int fd;
  52
  53         struct renderonly *ro;
  54
  55         /* Memory management is based on subdividing slabs with AMD's allocator */
  56         struct pb_slabs slabs;
  57
  58         /* TODO: Where? */
  59         struct panfrost_resource *display_target;
  60
  61         /* While we're busy building up the job for frame N, the GPU is
  62          * still busy executing frame N-1. So hold a reference to
  63          * yesterjob */
  64         int last_fragment_flushed;
  65         struct panfrost_job *last_job;
  66 };
  67
  68 static inline struct panfrost_screen *
  69 pan_screen(struct pipe_screen *p)
  70 {
  71    return (struct panfrost_screen *)p;
  72 }
  73
  74 void
  75 panfrost_drm_allocate_slab(struct panfrost_screen *screen,
  76                            struct panfrost_memory *mem,
  77                            size_t pages,
  78                            bool same_va,
  79                            int extra_flags,
  80                            int commit_count,
  81                            int extent);
  82 void
  83 panfrost_drm_free_slab(struct panfrost_screen *screen,
  84                        struct panfrost_memory *mem);
  85 struct panfrost_bo *
  86 panfrost_drm_import_bo(struct panfrost_screen *screen,
  87                        struct winsys_handle *whandle);
  88 int
  89 panfrost_drm_export_bo(struct panfrost_screen *screen, int gem_handle,
  90                        unsigned int stride, struct winsys_handle *whandle);
  91 void
  92 panfrost_drm_free_imported_bo(struct panfrost_screen *screen,
  93                               struct panfrost_bo *bo);
  94 int
  95 panfrost_drm_submit_job(struct panfrost_context *ctx, u64 job_desc, int reqs,
  96                         struct pipe_surface *surf);
  97 int
  98 panfrost_drm_submit_vs_fs_job(struct panfrost_context *ctx, bool has_draws,
  99                               bool is_scanout);
 100 struct panfrost_fence *
 101 panfrost_fence_create(struct panfrost_context *ctx);
 102 void
 103 panfrost_drm_force_flush_fragment(struct panfrost_context *ctx,
 104                                   struct pipe_fence_handle **fence);
 105 unsigned
 106 panfrost_drm_query_gpu_version(struct panfrost_screen *screen);
 107 int
 108 panfrost_drm_init_context(struct panfrost_context *ctx);
 109 void
 110 panfrost_drm_fence_reference(struct pipe_screen *screen,
 111                              struct pipe_fence_handle **ptr,
 112                              struct pipe_fence_handle *fence);
 113 boolean
 114 panfrost_drm_fence_finish(struct pipe_screen *pscreen,
 115                           struct pipe_context *ctx,
 116                           struct pipe_fence_handle *fence,
 117                           uint64_t timeout);
 118
 119 #endif /* PAN_SCREEN_H */