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      1 /*
      2  * Copyright  2014-2017 Broadcom
      3  *
      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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     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
     13  * Software.
     14  *
     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 NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     21  * IN THE SOFTWARE.
     22  */
     23 
     24 #ifndef VC5_SCREEN_H
     25 #define VC5_SCREEN_H
     26 
     27 #include "pipe/p_screen.h"
     28 #include "os/os_thread.h"
     29 #include "state_tracker/drm_driver.h"
     30 #include "util/list.h"
     31 #include "util/slab.h"
     32 #include "broadcom/common/v3d_debug.h"
     33 #include "broadcom/common/v3d_device_info.h"
     34 
     35 struct vc5_bo;
     36 
     37 #define VC5_MAX_MIP_LEVELS 12
     38 #define VC5_MAX_TEXTURE_SAMPLERS 32
     39 #define VC5_MAX_SAMPLES 4
     40 #define VC5_MAX_DRAW_BUFFERS 4
     41 #define VC5_MAX_ATTRIBUTES 16
     42 
     43 struct vc5_simulator_file;
     44 
     45 struct vc5_screen {
     46         struct pipe_screen base;
     47         int fd;
     48 
     49         struct v3d_device_info devinfo;
     50 
     51         const char *name;
     52 
     53         /** The last seqno we've completed a wait for.
     54          *
     55          * This lets us slightly optimize our waits by skipping wait syscalls
     56          * if we know the job's already done.
     57          */
     58         uint64_t finished_seqno;
     59 
     60         struct slab_parent_pool transfer_pool;
     61 
     62         struct vc5_bo_cache {
     63                 /** List of struct vc5_bo freed, by age. */
     64                 struct list_head time_list;
     65                 /** List of struct vc5_bo freed, per size, by age. */
     66                 struct list_head *size_list;
     67                 uint32_t size_list_size;
     68 
     69                 mtx_t lock;
     70 
     71                 uint32_t bo_size;
     72                 uint32_t bo_count;
     73         } bo_cache;
     74 
     75         const struct v3d_compiler *compiler;
     76 
     77         struct util_hash_table *bo_handles;
     78         mtx_t bo_handles_mutex;
     79 
     80         uint32_t bo_size;
     81         uint32_t bo_count;
     82 
     83         struct vc5_simulator_file *sim_file;
     84 };
     85 
     86 static inline struct vc5_screen *
     87 vc5_screen(struct pipe_screen *screen)
     88 {
     89         return (struct vc5_screen *)screen;
     90 }
     91 
     92 struct pipe_screen *vc5_screen_create(int fd);
     93 
     94 void
     95 vc5_fence_init(struct vc5_screen *screen);
     96 
     97 struct vc5_fence *
     98 vc5_fence_create(struct vc5_screen *screen, uint64_t seqno);
     99 
    100 #endif /* VC5_SCREEN_H */
    101