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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 "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. #define VC4_DEBUG_NIR       0x0200
  44.  
  45. #define VC4_MAX_MIP_LEVELS 12
  46. #define VC4_MAX_TEXTURE_SAMPLERS 16
  47.  
  48. struct vc4_screen {
  49.         struct pipe_screen base;
  50.         int fd;
  51.  
  52.         void *simulator_mem_base;
  53.         uint32_t simulator_mem_size;
  54.  
  55.         /** The last seqno we've completed a wait for.
  56.          *
  57.          * This lets us slightly optimize our waits by skipping wait syscalls
  58.          * if we know the job's already done.
  59.          */
  60.         uint64_t finished_seqno;
  61.  
  62.         struct vc4_bo_cache {
  63.                 /** List of struct vc4_bo freed, by age. */
  64.                 struct simple_node time_list;
  65.                 /** List of struct vc4_bo freed, per size, by age. */
  66.                 struct simple_node *size_list;
  67.                 uint32_t size_list_size;
  68.  
  69.                 pipe_mutex lock;
  70.         } bo_cache;
  71. };
  72.  
  73. static inline struct vc4_screen *
  74. vc4_screen(struct pipe_screen *screen)
  75. {
  76.         return (struct vc4_screen *)screen;
  77. }
  78.  
  79. struct pipe_screen *vc4_screen_create(int fd);
  80. boolean vc4_screen_bo_get_handle(struct pipe_screen *pscreen,
  81.                                  struct vc4_bo *bo,
  82.                                  unsigned stride,
  83.                                  struct winsys_handle *whandle);
  84. struct vc4_bo *
  85. vc4_screen_bo_from_handle(struct pipe_screen *pscreen,
  86.                           struct winsys_handle *whandle);
  87.  
  88. extern uint32_t vc4_debug;
  89.  
  90. void
  91. vc4_fence_init(struct vc4_screen *screen);
  92.  
  93. struct vc4_fence *
  94. vc4_fence_create(struct vc4_screen *screen, uint64_t seqno);
  95.  
  96. #endif /* VC4_SCREEN_H */
  97.