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      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 
     40 struct panfrost_context;
     41 struct panfrost_resource;
     42 struct 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 
     50 struct 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 
     81 struct 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