src/gallium/auxiliary/util/u_helpers.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2012 Marek Olšák <maraeo@gmail.com>
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL THE AUTHORS AND/OR THEIR SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef U_HELPERS_H
  29 #define U_HELPERS_H
  30
  31 #include "pipe/p_state.h"
  32 #include "c11/threads.h"
  33 #include <stdio.h>
  34
  35 #ifdef __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 void util_set_vertex_buffers_mask(struct pipe_vertex_buffer *dst,
  40                                   uint32_t *enabled_buffers,
  41                                   const struct pipe_vertex_buffer *src,
  42                                   unsigned start_slot, unsigned count);
  43
  44 void util_set_vertex_buffers_count(struct pipe_vertex_buffer *dst,
  45                                    unsigned *dst_count,
  46                                    const struct pipe_vertex_buffer *src,
  47                                    unsigned start_slot, unsigned count);
  48
  49 bool util_upload_index_buffer(struct pipe_context *pipe,
  50                               const struct pipe_draw_info *info,
  51                               struct pipe_resource **out_buffer,
  52                               unsigned *out_offset);
  53
  54 void
  55 util_pin_driver_threads_to_random_L3(struct pipe_context *ctx,
  56                                      thrd_t *upper_thread);
  57
  58 struct pipe_query *
  59 util_begin_pipestat_query(struct pipe_context *ctx);
  60
  61 void
  62 util_end_pipestat_query(struct pipe_context *ctx, struct pipe_query *q,
  63                         FILE *f);
  64
  65 void
  66 util_wait_for_idle(struct pipe_context *ctx);
  67
  68 /* A utility for throttling execution based on memory usage. */
  69 struct util_throttle {
  70    struct {
  71       struct pipe_fence_handle *fence;
  72       uint64_t mem_usage;
  73    } ring[10];
  74
  75    unsigned flush_index;
  76    unsigned wait_index;
  77    uint64_t max_mem_usage;
  78 };
  79
  80 void util_throttle_init(struct util_throttle *t, uint64_t max_mem_usage);
  81 void util_throttle_deinit(struct pipe_screen *screen, struct util_throttle *t);
  82 void util_throttle_memory_usage(struct pipe_context *pipe,
  83                                 struct util_throttle *t, uint64_t memory_size);
  84
  85 #ifdef __cplusplus
  86 }
  87 #endif
  88
  89 #endif