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    /* invalidate the pipeline */
  51    ilo_render_invalidate(ilo->render,
  52          ILO_RENDER_INVALIDATE_BATCH_BO |
  53          ILO_RENDER_INVALIDATE_STATE_BO |
  54          ILO_RENDER_INVALIDATE_KERNEL_BO);
  55 }
  56
  57 static void
  58 ilo_flush(struct pipe_context *pipe,
  59           struct pipe_fence_handle **f,
  60           unsigned flags)
  61 {
  62    struct ilo_context *ilo = ilo_context(pipe);
  63
  64    ilo_cp_submit(ilo->cp,
  65          (flags & PIPE_FLUSH_END_OF_FRAME) ? "frame end" : "user request");
  66
  67    if (f) {
  68       *f = (struct pipe_fence_handle *)
  69          ilo_fence_create(pipe->screen, ilo->cp->last_submitted_bo);
  70    }
  71 }
  72
  73 static void
  74 ilo_render_condition(struct pipe_context *pipe,
  75                      struct pipe_query *query,
  76                      boolean condition,
  77                      uint mode)
  78 {
  79    struct ilo_context *ilo = ilo_context(pipe);
  80
  81    /* reference count? */
  82    ilo->render_condition.query = query;
  83    ilo->render_condition.condition = condition;
  84    ilo->render_condition.mode = mode;
  85 }
  86
  87 bool
  88 ilo_skip_rendering(struct ilo_context *ilo)
  89 {
  90    uint64_t result;
  91    bool wait;
  92
  93    if (!ilo->render_condition.query)
  94       return false;
  95
  96    switch (ilo->render_condition.mode) {
  97    case PIPE_RENDER_COND_WAIT:
  98    case PIPE_RENDER_COND_BY_REGION_WAIT:
  99       wait = true;
 100       break;
 101    case PIPE_RENDER_COND_NO_WAIT:
 102    case PIPE_RENDER_COND_BY_REGION_NO_WAIT:
 103    default:
 104       wait = false;
 105       break;
 106    }
 107
 108    if (ilo->base.get_query_result(&ilo->base, ilo->render_condition.query,
 109             wait, (union pipe_query_result *) &result))
 110       return ((bool) result == ilo->render_condition.condition);
 111    else
 112       return false;
 113 }
 114
 115 static void
 116 ilo_context_destroy(struct pipe_context *pipe)
 117 {
 118    struct ilo_context *ilo = ilo_context(pipe);
 119
 120    ilo_state_vector_cleanup(&ilo->state_vector);
 121
 122    if (ilo->uploader)
 123       u_upload_destroy(ilo->uploader);
 124
 125    if (ilo->blitter)
 126       ilo_blitter_destroy(ilo->blitter);
 127    if (ilo->render)
 128       ilo_render_destroy(ilo->render);
 129    if (ilo->shader_cache)
 130       ilo_shader_cache_destroy(ilo->shader_cache);
 131    if (ilo->cp)
 132       ilo_cp_destroy(ilo->cp);
 133
 134    util_slab_destroy(&ilo->transfer_mempool);
 135
 136    FREE(ilo);
 137 }
 138
 139 static struct pipe_context *
 140 ilo_context_create(struct pipe_screen *screen, void *priv)
 141 {
 142    struct ilo_screen *is = ilo_screen(screen);
 143    struct ilo_context *ilo;
 144
 145    ilo = CALLOC_STRUCT(ilo_context);
 146    if (!ilo)
 147       return NULL;
 148
 149    ilo->winsys = is->winsys;
 150    ilo->dev = &is->dev;
 151
 152    /*
 153     * initialize first, otherwise it may not be safe to call
 154     * ilo_context_destroy() on errors
 155     */
 156    util_slab_create(&ilo->transfer_mempool,
 157          sizeof(struct ilo_transfer), 64, UTIL_SLAB_SINGLETHREADED);
 158
 159    ilo->shader_cache = ilo_shader_cache_create();
 160    ilo->cp = ilo_cp_create(ilo->dev, ilo->winsys, ilo->shader_cache);
 161    if (ilo->cp)
 162       ilo->render = ilo_render_create(&ilo->cp->builder);
 163
 164    if (!ilo->cp || !ilo->shader_cache || !ilo->render) {
 165       ilo_context_destroy(&ilo->base);
 166       return NULL;
 167    }
 168
 169    ilo_cp_set_submit_callback(ilo->cp,
 170          ilo_context_cp_submitted, (void *) ilo);
 171
 172    ilo->base.screen = screen;
 173    ilo->base.priv = priv;
 174
 175    ilo->base.destroy = ilo_context_destroy;
 176    ilo->base.flush = ilo_flush;
 177    ilo->base.render_condition = ilo_render_condition;
 178
 179    ilo_init_draw_functions(ilo);
 180    ilo_init_query_functions(ilo);
 181    ilo_init_state_functions(ilo);
 182    ilo_init_blit_functions(ilo);
 183    ilo_init_transfer_functions(ilo);
 184    ilo_init_video_functions(ilo);
 185    ilo_init_gpgpu_functions(ilo);
 186
 187    ilo_init_draw(ilo);
 188    ilo_state_vector_init(ilo->dev, &ilo->state_vector);
 189
 190    /*
 191     * These must be called last as u_upload/u_blitter are clients of the pipe
 192     * context.
 193     */
 194    ilo->uploader = u_upload_create(&ilo->base, 1024 * 1024, 16,
 195          PIPE_BIND_CONSTANT_BUFFER | PIPE_BIND_INDEX_BUFFER);
 196    if (!ilo->uploader) {
 197       ilo_context_destroy(&ilo->base);
 198       return NULL;
 199    }
 200
 201    ilo->blitter = ilo_blitter_create(ilo);
 202    if (!ilo->blitter) {
 203       ilo_context_destroy(&ilo->base);
 204       return NULL;
 205    }
 206
 207    return &ilo->base;
 208 }
 209
 210 /**
 211  * Initialize context-related functions.
 212  */
 213 void
 214 ilo_init_context_functions(struct ilo_screen *is)
 215 {
 216    is->base.context_create = ilo_context_create;
 217 }