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
  30 #include "ilo_blit.h"
  31 #include "ilo_blitter.h"
  32 #include "ilo_cp.h"
  33 #include "ilo_draw.h"
  34 #include "ilo_gpgpu.h"
  35 #include "ilo_query.h"
  36 #include "ilo_render.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_submitted(struct ilo_cp *cp, void *data)
  47 {
  48    struct ilo_context *ilo = ilo_context(data);
  49
  50    /* builder buffers are reallocated */
  51    ilo_render_invalidate_builder(ilo->render);
  52 }
  53
  54 static void
  55 ilo_flush(struct pipe_context *pipe,
  56           struct pipe_fence_handle **f,
  57           unsigned flags)
  58 {
  59    struct ilo_context *ilo = ilo_context(pipe);
  60
  61    ilo_cp_submit(ilo->cp,
  62          (flags & PIPE_FLUSH_END_OF_FRAME) ? "frame end" : "user request");
  63
  64    if (f) {
  65       struct pipe_screen *screen = pipe->screen;
  66       screen->fence_reference(screen, f, NULL);
  67       *f = ilo_screen_fence_create(pipe->screen, ilo->cp->last_submitted_bo);
  68    }
  69 }
  70
  71 static void
  72 ilo_render_condition(struct pipe_context *pipe,
  73                      struct pipe_query *query,
  74                      boolean condition,
  75                      uint mode)
  76 {
  77    struct ilo_context *ilo = ilo_context(pipe);
  78
  79    /* reference count? */
  80    ilo->render_condition.query = query;
  81    ilo->render_condition.condition = condition;
  82    ilo->render_condition.mode = mode;
  83 }
  84
  85 bool
  86 ilo_skip_rendering(struct ilo_context *ilo)
  87 {
  88    uint64_t result;
  89    bool wait;
  90
  91    if (!ilo->render_condition.query)
  92       return false;
  93
  94    switch (ilo->render_condition.mode) {
  95    case PIPE_RENDER_COND_WAIT:
  96    case PIPE_RENDER_COND_BY_REGION_WAIT:
  97       wait = true;
  98       break;
  99    case PIPE_RENDER_COND_NO_WAIT:
 100    case PIPE_RENDER_COND_BY_REGION_NO_WAIT:
 101    default:
 102       wait = false;
 103       break;
 104    }
 105
 106    if (ilo->base.get_query_result(&ilo->base, ilo->render_condition.query,
 107             wait, (union pipe_query_result *) &result))
 108       return ((bool) result == ilo->render_condition.condition);
 109    else
 110       return false;
 111 }
 112
 113 static void
 114 ilo_context_destroy(struct pipe_context *pipe)
 115 {
 116    struct ilo_context *ilo = ilo_context(pipe);
 117
 118    ilo_state_vector_cleanup(&ilo->state_vector);
 119
 120    if (ilo->uploader)
 121       u_upload_destroy(ilo->uploader);
 122
 123    if (ilo->blitter)
 124       ilo_blitter_destroy(ilo->blitter);
 125    if (ilo->render)
 126       ilo_render_destroy(ilo->render);
 127    if (ilo->shader_cache)
 128       ilo_shader_cache_destroy(ilo->shader_cache);
 129    if (ilo->cp)
 130       ilo_cp_destroy(ilo->cp);
 131
 132    util_slab_destroy(&ilo->transfer_mempool);
 133
 134    FREE(ilo);
 135 }
 136
 137 static struct pipe_context *
 138 ilo_context_create(struct pipe_screen *screen, void *priv)
 139 {
 140    struct ilo_screen *is = ilo_screen(screen);
 141    struct ilo_context *ilo;
 142
 143    ilo = CALLOC_STRUCT(ilo_context);
 144    if (!ilo)
 145       return NULL;
 146
 147    ilo->winsys = is->dev.winsys;
 148    ilo->dev = &is->dev;
 149
 150    /*
 151     * initialize first, otherwise it may not be safe to call
 152     * ilo_context_destroy() on errors
 153     */
 154    util_slab_create(&ilo->transfer_mempool,
 155          sizeof(struct ilo_transfer), 64, UTIL_SLAB_SINGLETHREADED);
 156
 157    ilo->shader_cache = ilo_shader_cache_create();
 158    ilo->cp = ilo_cp_create(ilo->dev, ilo->winsys, ilo->shader_cache);
 159    if (ilo->cp)
 160       ilo->render = ilo_render_create(&ilo->cp->builder);
 161
 162    if (!ilo->cp || !ilo->shader_cache || !ilo->render) {
 163       ilo_context_destroy(&ilo->base);
 164       return NULL;
 165    }
 166
 167    ilo_cp_set_submit_callback(ilo->cp,
 168          ilo_context_cp_submitted, (void *) ilo);
 169
 170    ilo->base.screen = screen;
 171    ilo->base.priv = priv;
 172
 173    ilo->base.destroy = ilo_context_destroy;
 174    ilo->base.flush = ilo_flush;
 175    ilo->base.render_condition = ilo_render_condition;
 176
 177    ilo_init_draw_functions(ilo);
 178    ilo_init_query_functions(ilo);
 179    ilo_init_state_functions(ilo);
 180    ilo_init_blit_functions(ilo);
 181    ilo_init_transfer_functions(ilo);
 182    ilo_init_video_functions(ilo);
 183    ilo_init_gpgpu_functions(ilo);
 184
 185    ilo_init_draw(ilo);
 186    ilo_state_vector_init(ilo->dev, &ilo->state_vector);
 187
 188    /*
 189     * These must be called last as u_upload/u_blitter are clients of the pipe
 190     * context.
 191     */
 192    ilo->uploader = u_upload_create(&ilo->base, 1024 * 1024, 16,
 193          PIPE_BIND_CONSTANT_BUFFER | PIPE_BIND_INDEX_BUFFER);
 194    if (!ilo->uploader) {
 195       ilo_context_destroy(&ilo->base);
 196       return NULL;
 197    }
 198
 199    ilo->blitter = ilo_blitter_create(ilo);
 200    if (!ilo->blitter) {
 201       ilo_context_destroy(&ilo->base);
 202       return NULL;
 203    }
 204
 205    return &ilo->base;
 206 }
 207
 208 /**
 209  * Initialize context-related functions.
 210  */
 211 void
 212 ilo_init_context_functions(struct ilo_screen *is)
 213 {
 214    is->base.context_create = ilo_context_create;
 215 }