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 "util/u_upload_mgr.h"
  29 #include "intel_chipset.h"
  30
  31 #include "ilo_3d.h"
  32 #include "ilo_blit.h"
  33 #include "ilo_blitter.h"
  34 #include "ilo_cp.h"
  35 #include "ilo_gpgpu.h"
  36 #include "ilo_query.h"
  37 #include "ilo_resource.h"
  38 #include "ilo_screen.h"
  39 #include "ilo_shader.h"
  40 #include "ilo_state.h"
  41 #include "ilo_transfer.h"
  42 #include "ilo_video.h"
  43 #include "ilo_context.h"
  44
  45 static void
  46 ilo_context_cp_flushed(struct ilo_cp *cp, void *data)
  47 {
  48    struct ilo_context *ilo = ilo_context(data);
  49
  50    if (ilo->last_cp_bo)
  51       intel_bo_unreference(ilo->last_cp_bo);
  52
  53    /* remember the just flushed bo, on which fences could wait */
  54    ilo->last_cp_bo = cp->bo;
  55    intel_bo_reference(ilo->last_cp_bo);
  56
  57    ilo_3d_cp_flushed(ilo->hw3d);
  58 }
  59
  60 static void
  61 ilo_flush(struct pipe_context *pipe,
  62           struct pipe_fence_handle **f,
  63           unsigned flags)
  64 {
  65    struct ilo_context *ilo = ilo_context(pipe);
  66
  67    if (f) {
  68       struct ilo_fence *fence;
  69
  70       fence = CALLOC_STRUCT(ilo_fence);
  71       if (fence) {
  72          pipe_reference_init(&fence->reference, 1);
  73
  74          /* reference the batch bo that we want to wait on */
  75          if (ilo_cp_empty(ilo->cp))
  76             fence->bo = ilo->last_cp_bo;
  77          else
  78             fence->bo = ilo->cp->bo;
  79
  80          if (fence->bo)
  81             intel_bo_reference(fence->bo);
  82       }
  83
  84       *f = (struct pipe_fence_handle *) fence;
  85    }
  86
  87    ilo_cp_flush(ilo->cp,
  88          (flags & PIPE_FLUSH_END_OF_FRAME) ? "frame end" : "user request");
  89 }
  90
  91 static void
  92 ilo_context_destroy(struct pipe_context *pipe)
  93 {
  94    struct ilo_context *ilo = ilo_context(pipe);
  95
  96    ilo_cleanup_states(ilo);
  97
  98    if (ilo->last_cp_bo)
  99       intel_bo_unreference(ilo->last_cp_bo);
 100
 101    if (ilo->uploader)
 102       u_upload_destroy(ilo->uploader);
 103
 104    if (ilo->blitter)
 105       ilo_blitter_destroy(ilo->blitter);
 106    if (ilo->hw3d)
 107       ilo_3d_destroy(ilo->hw3d);
 108    if (ilo->shader_cache)
 109       ilo_shader_cache_destroy(ilo->shader_cache);
 110    if (ilo->cp)
 111       ilo_cp_destroy(ilo->cp);
 112
 113    util_slab_destroy(&ilo->transfer_mempool);
 114
 115    FREE(ilo);
 116 }
 117
 118 static struct pipe_context *
 119 ilo_context_create(struct pipe_screen *screen, void *priv)
 120 {
 121    struct ilo_screen *is = ilo_screen(screen);
 122    struct ilo_context *ilo;
 123
 124    ilo = CALLOC_STRUCT(ilo_context);
 125    if (!ilo)
 126       return NULL;
 127
 128    ilo->winsys = is->winsys;
 129    ilo->dev = &is->dev;
 130
 131    /*
 132     * initialize first, otherwise it may not be safe to call
 133     * ilo_context_destroy() on errors
 134     */
 135    util_slab_create(&ilo->transfer_mempool,
 136          sizeof(struct ilo_transfer), 64, UTIL_SLAB_SINGLETHREADED);
 137
 138    ilo->cp = ilo_cp_create(ilo->winsys, is->dev.has_llc);
 139    ilo->shader_cache = ilo_shader_cache_create();
 140    if (ilo->cp)
 141       ilo->hw3d = ilo_3d_create(ilo->cp, ilo->dev);
 142
 143    if (!ilo->cp || !ilo->shader_cache || !ilo->hw3d) {
 144       ilo_context_destroy(&ilo->base);
 145       return NULL;
 146    }
 147
 148    ilo->uploader = u_upload_create(&ilo->base, 1024 * 1024, 16,
 149          PIPE_BIND_CONSTANT_BUFFER | PIPE_BIND_INDEX_BUFFER);
 150    if (!ilo->uploader) {
 151       ilo_context_destroy(&ilo->base);
 152       return NULL;
 153    }
 154
 155    ilo_cp_set_flush_callback(ilo->cp,
 156          ilo_context_cp_flushed, (void *) ilo);
 157
 158    ilo->base.screen = screen;
 159    ilo->base.priv = priv;
 160
 161    ilo->base.destroy = ilo_context_destroy;
 162    ilo->base.flush = ilo_flush;
 163
 164    ilo_init_3d_functions(ilo);
 165    ilo_init_query_functions(ilo);
 166    ilo_init_state_functions(ilo);
 167    ilo_init_blit_functions(ilo);
 168    ilo_init_transfer_functions(ilo);
 169    ilo_init_video_functions(ilo);
 170    ilo_init_gpgpu_functions(ilo);
 171
 172    ilo_init_states(ilo);
 173
 174    /* this must be called last as u_blitter is a client of the pipe context */
 175    ilo->blitter = ilo_blitter_create(ilo);
 176    if (!ilo->blitter) {
 177       ilo_context_destroy(&ilo->base);
 178       return NULL;
 179    }
 180
 181    return &ilo->base;
 182 }
 183
 184 /**
 185  * Initialize context-related functions.
 186  */
 187 void
 188 ilo_init_context_functions(struct ilo_screen *is)
 189 {
 190    is->base.context_create = ilo_context_create;
 191 }