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 "vc4_qir.h"
  31
  32 struct vc4_bo;
  33
  34 #define VC4_DEBUG_CL        0x0001
  35 #define VC4_DEBUG_QPU       0x0002
  36 #define VC4_DEBUG_QIR       0x0004
  37 #define VC4_DEBUG_TGSI      0x0008
  38 #define VC4_DEBUG_SHADERDB  0x0010
  39 #define VC4_DEBUG_PERF      0x0020
  40 #define VC4_DEBUG_NORAST    0x0040
  41 #define VC4_DEBUG_ALWAYS_FLUSH 0x0080
  42 #define VC4_DEBUG_ALWAYS_SYNC  0x0100
  43
  44 #define VC4_MAX_MIP_LEVELS 12
  45 #define VC4_MAX_TEXTURE_SAMPLERS 16
  46
  47 struct vc4_screen {
  48         struct pipe_screen base;
  49         int fd;
  50
  51         void *simulator_mem_base;
  52         uint32_t simulator_mem_size;
  53
  54         /** The last seqno we've completed a wait for.
  55          *
  56          * This lets us slightly optimize our waits by skipping wait syscalls
  57          * if we know the job's already done.
  58          */
  59         uint64_t finished_seqno;
  60
  61         struct vc4_bo_cache {
  62                 /** List of struct vc4_bo freed, by age. */
  63                 struct simple_node time_list;
  64                 /** List of struct vc4_bo freed, per size, by age. */
  65                 struct simple_node *size_list;
  66                 uint32_t size_list_size;
  67
  68                 pipe_mutex lock;
  69         } bo_cache;
  70 };
  71
  72 static inline struct vc4_screen *
  73 vc4_screen(struct pipe_screen *screen)
  74 {
  75         return (struct vc4_screen *)screen;
  76 }
  77
  78 struct pipe_screen *vc4_screen_create(int fd);
  79 boolean vc4_screen_bo_get_handle(struct pipe_screen *pscreen,
  80                                  struct vc4_bo *bo,
  81                                  unsigned stride,
  82                                  struct winsys_handle *whandle);
  83 struct vc4_bo *
  84 vc4_screen_bo_from_handle(struct pipe_screen *pscreen,
  85                           struct winsys_handle *whandle);
  86
  87 extern uint32_t vc4_debug;
  88
  89 void
  90 vc4_fence_init(struct vc4_screen *screen);
  91
  92 struct vc4_fence *
  93 vc4_fence_create(struct vc4_screen *screen, uint64_t seqno);
  94
  95 #endif /* VC4_SCREEN_H */