src/gallium/drivers/vc4/vc4_screen.h

   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 */