src/gallium/drivers/v3d/v3d_screen.h

   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 "renderonly/renderonly.h"
  29 #include "os/os_thread.h"
  30 #include "state_tracker/drm_driver.h"
  31 #include "util/list.h"
  32 #include "util/slab.h"
  33 #include "broadcom/common/v3d_debug.h"
  34 #include "broadcom/common/v3d_device_info.h"
  35
  36 struct v3d_bo;
  37
  38 #define V3D_MAX_MIP_LEVELS 12
  39 #define V3D_MAX_TEXTURE_SAMPLERS 32
  40 #define V3D_MAX_SAMPLES 4
  41 #define V3D_MAX_DRAW_BUFFERS 4
  42 #define V3D_MAX_ATTRIBUTES 16
  43
  44 /* These are tunable parameters in the HW design, but all the V3D
  45  * implementations agree.
  46  */
  47 #define VC5_UIFCFG_BANKS 8
  48 #define VC5_UIFCFG_PAGE_SIZE 4096
  49 #define VC5_UIFCFG_XOR_VALUE (1 << 4)
  50 #define VC5_PAGE_CACHE_SIZE (VC5_UIFCFG_PAGE_SIZE * VC5_UIFCFG_BANKS)
  51 #define VC5_UBLOCK_SIZE 64
  52 #define VC5_UIFBLOCK_SIZE (4 * VC5_UBLOCK_SIZE)
  53 #define VC5_UIFBLOCK_ROW_SIZE (4 * VC5_UIFBLOCK_SIZE)
  54
  55 struct v3d_simulator_file;
  56
  57 struct v3d_screen {
  58         struct pipe_screen base;
  59         struct renderonly *ro;
  60         int fd;
  61
  62         struct v3d_device_info devinfo;
  63
  64         const char *name;
  65
  66         struct slab_parent_pool transfer_pool;
  67
  68         struct v3d_bo_cache {
  69                 /** List of struct v3d_bo freed, by age. */
  70                 struct list_head time_list;
  71                 /** List of struct v3d_bo freed, per size, by age. */
  72                 struct list_head *size_list;
  73                 uint32_t size_list_size;
  74
  75                 mtx_t lock;
  76         } bo_cache;
  77
  78         const struct v3d_compiler *compiler;
  79
  80         struct util_hash_table *bo_handles;
  81         mtx_t bo_handles_mutex;
  82
  83         uint32_t bo_size;
  84         uint32_t bo_count;
  85
  86         struct v3d_simulator_file *sim_file;
  87 };
  88
  89 static inline struct v3d_screen *
  90 v3d_screen(struct pipe_screen *screen)
  91 {
  92         return (struct v3d_screen *)screen;
  93 }
  94
  95 struct pipe_screen *v3d_screen_create(int fd, struct renderonly *ro);
  96
  97 void
  98 v3d_fence_init(struct v3d_screen *screen);
  99
 100 #endif /* VC5_SCREEN_H */