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