src/gallium/drivers/llvmpipe/lp_screen.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * Copyright 2007 VMware, Inc.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 /**
  30  * @author Jose Fonseca <jfonseca@vmware.com>
  31  * @author Keith Whitwell <keithw@vmware.com>
  32  */
  33
  34 #ifndef LP_SCREEN_H
  35 #define LP_SCREEN_H
  36
  37 #include "pipe/p_screen.h"
  38 #include "pipe/p_defines.h"
  39 #include "os/os_thread.h"
  40 #include "gallivm/lp_bld.h"
  41 #include "gallivm/lp_bld_misc.h"
  42
  43 struct sw_winsys;
  44 struct lp_cs_tpool;
  45
  46 struct llvmpipe_screen
  47 {
  48    struct pipe_screen base;
  49
  50    struct sw_winsys *winsys;
  51
  52    unsigned num_threads;
  53
  54    /* Increments whenever textures are modified.  Contexts can track this.
  55     */
  56    unsigned timestamp;
  57
  58    struct lp_rasterizer *rast;
  59    mtx_t rast_mutex;
  60
  61    struct lp_cs_tpool *cs_tpool;
  62    mtx_t cs_mutex;
  63
  64    bool use_tgsi;
  65
  66    struct disk_cache *disk_shader_cache;
  67    unsigned num_disk_shader_cache_hits;
  68    unsigned num_disk_shader_cache_misses;
  69 };
  70
  71 void lp_disk_cache_find_shader(struct llvmpipe_screen *screen,
  72                                struct lp_cached_code *cache,
  73                                unsigned char ir_sha1_cache_key[20]);
  74 void lp_disk_cache_insert_shader(struct llvmpipe_screen *screen,
  75                                  struct lp_cached_code *cache,
  76                                  unsigned char ir_sha1_cache_key[20]);
  77
  78
  79 static inline struct llvmpipe_screen *
  80 llvmpipe_screen( struct pipe_screen *pipe )
  81 {
  82    return (struct llvmpipe_screen *)pipe;
  83 }
  84
  85 static inline unsigned lp_get_constant_buffer_stride(struct pipe_screen *_screen)
  86 {
  87    struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
  88    return screen->use_tgsi ? (sizeof(float) * 4) : sizeof(float);
  89 }
  90
  91 #endif /* LP_SCREEN_H */