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      1 /*
      2  * Copyright  2014 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 VC4_SCREEN_H
     25 #define VC4_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 
     33 #ifndef DRM_VC4_PARAM_SUPPORTS_ETC1
     34 #define DRM_VC4_PARAM_SUPPORTS_ETC1		4
     35 #endif
     36 
     37 struct vc4_bo;
     38 
     39 #define VC4_DEBUG_CL        0x0001
     40 #define VC4_DEBUG_QPU       0x0002
     41 #define VC4_DEBUG_QIR       0x0004
     42 #define VC4_DEBUG_TGSI      0x0008
     43 #define VC4_DEBUG_SHADERDB  0x0010
     44 #define VC4_DEBUG_PERF      0x0020
     45 #define VC4_DEBUG_NORAST    0x0040
     46 #define VC4_DEBUG_ALWAYS_FLUSH 0x0080
     47 #define VC4_DEBUG_ALWAYS_SYNC  0x0100
     48 #define VC4_DEBUG_NIR       0x0200
     49 #define VC4_DEBUG_DUMP      0x0400
     50 
     51 #define VC4_MAX_MIP_LEVELS 12
     52 #define VC4_MAX_TEXTURE_SAMPLERS 16
     53 
     54 struct vc4_simulator_file;
     55 
     56 struct vc4_screen {
     57         struct pipe_screen base;
     58         int fd;
     59 
     60         int v3d_ver;
     61 
     62         const char *name;
     63 
     64         /** The last seqno we've completed a wait for.
     65          *
     66          * This lets us slightly optimize our waits by skipping wait syscalls
     67          * if we know the job's already done.
     68          */
     69         uint64_t finished_seqno;
     70 
     71         struct slab_parent_pool transfer_pool;
     72 
     73         struct vc4_bo_cache {
     74                 /** List of struct vc4_bo freed, by age. */
     75                 struct list_head time_list;
     76                 /** List of struct vc4_bo freed, per size, by age. */
     77                 struct list_head *size_list;
     78                 uint32_t size_list_size;
     79 
     80                 pipe_mutex lock;
     81 
     82                 uint32_t bo_size;
     83                 uint32_t bo_count;
     84         } bo_cache;
     85 
     86         struct util_hash_table *bo_handles;
     87         pipe_mutex bo_handles_mutex;
     88 
     89         uint32_t bo_size;
     90         uint32_t bo_count;
     91         bool has_control_flow;
     92         bool has_etc1;
     93         bool has_threaded_fs;
     94 
     95         struct vc4_simulator_file *sim_file;
     96 };
     97 
     98 static inline struct vc4_screen *
     99 vc4_screen(struct pipe_screen *screen)
    100 {
    101         return (struct vc4_screen *)screen;
    102 }
    103 
    104 struct pipe_screen *vc4_screen_create(int fd);
    105 boolean vc4_screen_bo_get_handle(struct pipe_screen *pscreen,
    106                                  struct vc4_bo *bo,
    107                                  unsigned stride,
    108                                  struct winsys_handle *whandle);
    109 struct vc4_bo *
    110 vc4_screen_bo_from_handle(struct pipe_screen *pscreen,
    111                           struct winsys_handle *whandle);
    112 
    113 const void *
    114 vc4_screen_get_compiler_options(struct pipe_screen *pscreen,
    115                                 enum pipe_shader_ir ir, unsigned shader);
    116 
    117 extern uint32_t vc4_debug;
    118 
    119 void
    120 vc4_fence_init(struct vc4_screen *screen);
    121 
    122 struct vc4_fence *
    123 vc4_fence_create(struct vc4_screen *screen, uint64_t seqno);
    124 
    125 #endif /* VC4_SCREEN_H */
    126