src/gallium/drivers/panfrost/pan_screen.h

   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
  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_driver {
  50         struct panfrost_bo * (*import_bo) (struct panfrost_screen *screen, struct winsys_handle *whandle);
  51         int (*export_bo) (struct panfrost_screen *screen, int gem_handle, unsigned int stride, struct winsys_handle *whandle);
  52
  53         int (*submit_vs_fs_job) (struct panfrost_context *ctx, bool has_draws, bool is_scanout);
  54         void (*force_flush_fragment) (struct panfrost_context *ctx,
  55                                       struct pipe_fence_handle **fence);
  56         void (*allocate_slab) (struct panfrost_screen *screen,
  57                                struct panfrost_memory *mem,
  58                                size_t pages,
  59                                bool same_va,
  60                                int extra_flags,
  61                                int commit_count,
  62                                int extent);
  63         void (*free_slab) (struct panfrost_screen *screen,
  64                            struct panfrost_memory *mem);
  65         void (*free_imported_bo) (struct panfrost_screen *screen,
  66                              struct panfrost_bo *bo);
  67         void (*enable_counters) (struct panfrost_screen *screen);
  68         void (*dump_counters) (struct panfrost_screen *screen);
  69         unsigned (*query_gpu_version) (struct panfrost_screen *screen);
  70         int (*init_context) (struct panfrost_context *ctx);
  71         void (*fence_reference) (struct pipe_screen *screen,
  72                          struct pipe_fence_handle **ptr,
  73                          struct pipe_fence_handle *fence);
  74         boolean (*fence_finish) (struct pipe_screen *screen,
  75                       struct pipe_context *ctx,
  76                       struct pipe_fence_handle *fence,
  77                       uint64_t timeout);
  78 };
  79
  80 struct panfrost_screen {
  81         struct pipe_screen base;
  82
  83         struct renderonly *ro;
  84         struct panfrost_driver *driver;
  85
  86         struct panfrost_memory perf_counters;
  87
  88         /* Memory management is based on subdividing slabs with AMD's allocator */
  89         struct pb_slabs slabs;
  90
  91         /* TODO: Where? */
  92         struct panfrost_resource *display_target;
  93
  94         /* While we're busy building up the job for frame N, the GPU is
  95          * still busy executing frame N-1. So hold a reference to
  96          * yesterjob */
  97         int last_fragment_flushed;
  98         struct panfrost_job *last_job;
  99 };
 100
 101 static inline struct panfrost_screen *
 102 pan_screen(struct pipe_screen *p)
 103 {
 104    return (struct panfrost_screen *)p;
 105 }
 106
 107 #endif /* PAN_SCREEN_H */