src/gallium/drivers/ilo/ilo_context.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2012-2013 LunarG, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #include "intel_chipset.h"
  29
  30 #include "ilo_3d.h"
  31 #include "ilo_blit.h"
  32 #include "ilo_blitter.h"
  33 #include "ilo_cp.h"
  34 #include "ilo_gpgpu.h"
  35 #include "ilo_query.h"
  36 #include "ilo_resource.h"
  37 #include "ilo_screen.h"
  38 #include "ilo_shader.h"
  39 #include "ilo_state.h"
  40 #include "ilo_transfer.h"
  41 #include "ilo_video.h"
  42 #include "ilo_context.h"
  43
  44 static void
  45 ilo_context_cp_flushed(struct ilo_cp *cp, void *data)
  46 {
  47    struct ilo_context *ilo = ilo_context(data);
  48
  49    if (ilo->last_cp_bo)
  50       intel_bo_unreference(ilo->last_cp_bo);
  51
  52    /* remember the just flushed bo, on which fences could wait */
  53    ilo->last_cp_bo = cp->bo;
  54    intel_bo_reference(ilo->last_cp_bo);
  55
  56    ilo_3d_cp_flushed(ilo->hw3d);
  57 }
  58
  59 static void
  60 ilo_flush(struct pipe_context *pipe,
  61           struct pipe_fence_handle **f,
  62           unsigned flags)
  63 {
  64    struct ilo_context *ilo = ilo_context(pipe);
  65
  66    if (f) {
  67       struct ilo_fence *fence;
  68
  69       fence = CALLOC_STRUCT(ilo_fence);
  70       if (fence) {
  71          pipe_reference_init(&fence->reference, 1);
  72
  73          /* reference the batch bo that we want to wait on */
  74          if (ilo_cp_empty(ilo->cp))
  75             fence->bo = ilo->last_cp_bo;
  76          else
  77             fence->bo = ilo->cp->bo;
  78
  79          if (fence->bo)
  80             intel_bo_reference(fence->bo);
  81       }
  82
  83       *f = (struct pipe_fence_handle *) fence;
  84    }
  85
  86    ilo_cp_flush(ilo->cp);
  87 }
  88
  89 static void
  90 ilo_context_destroy(struct pipe_context *pipe)
  91 {
  92    struct ilo_context *ilo = ilo_context(pipe);
  93
  94    ilo_cleanup_states(ilo);
  95
  96    if (ilo->last_cp_bo)
  97       intel_bo_unreference(ilo->last_cp_bo);
  98
  99    util_slab_destroy(&ilo->transfer_mempool);
 100
 101    if (ilo->blitter)
 102       ilo_blitter_destroy(ilo->blitter);
 103    if (ilo->hw3d)
 104       ilo_3d_destroy(ilo->hw3d);
 105    if (ilo->shader_cache)
 106       ilo_shader_cache_destroy(ilo->shader_cache);
 107    if (ilo->cp)
 108       ilo_cp_destroy(ilo->cp);
 109
 110    FREE(ilo);
 111 }
 112
 113 static struct pipe_context *
 114 ilo_context_create(struct pipe_screen *screen, void *priv)
 115 {
 116    struct ilo_screen *is = ilo_screen(screen);
 117    struct ilo_context *ilo;
 118
 119    ilo = CALLOC_STRUCT(ilo_context);
 120    if (!ilo)
 121       return NULL;
 122
 123    ilo->winsys = is->winsys;
 124    ilo->dev = &is->dev;
 125
 126    ilo->cp = ilo_cp_create(ilo->winsys, is->dev.has_llc);
 127    ilo->shader_cache = ilo_shader_cache_create();
 128    if (ilo->cp)
 129       ilo->hw3d = ilo_3d_create(ilo->cp, ilo->dev);
 130
 131    if (!ilo->cp || !ilo->shader_cache || !ilo->hw3d) {
 132       ilo_context_destroy(&ilo->base);
 133       return NULL;
 134    }
 135
 136    ilo_cp_set_flush_callback(ilo->cp,
 137          ilo_context_cp_flushed, (void *) ilo);
 138
 139    util_slab_create(&ilo->transfer_mempool,
 140          sizeof(struct ilo_transfer), 64, UTIL_SLAB_SINGLETHREADED);
 141
 142    ilo->base.screen = screen;
 143    ilo->base.priv = priv;
 144
 145    ilo->base.destroy = ilo_context_destroy;
 146    ilo->base.flush = ilo_flush;
 147
 148    ilo_init_3d_functions(ilo);
 149    ilo_init_query_functions(ilo);
 150    ilo_init_state_functions(ilo);
 151    ilo_init_blit_functions(ilo);
 152    ilo_init_transfer_functions(ilo);
 153    ilo_init_video_functions(ilo);
 154    ilo_init_gpgpu_functions(ilo);
 155
 156    ilo_init_states(ilo);
 157
 158    /* this must be called last as u_blitter is a client of the pipe context */
 159    ilo->blitter = ilo_blitter_create(ilo);
 160    if (!ilo->blitter) {
 161       ilo_context_destroy(&ilo->base);
 162       return NULL;
 163    }
 164
 165    return &ilo->base;
 166 }
 167
 168 /**
 169  * Initialize context-related functions.
 170  */
 171 void
 172 ilo_init_context_functions(struct ilo_screen *is)
 173 {
 174    is->base.context_create = ilo_context_create;
 175 }