src/gallium/drivers/iris/iris_context.c

   1 /*
   2  * Copyright © 2017 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #include <stdio.h>
  24 #include <time.h>
  25 #include "pipe/p_defines.h"
  26 #include "pipe/p_state.h"
  27 #include "util/ralloc.h"
  28 #include "util/u_inlines.h"
  29 #include "util/u_format.h"
  30 #include "util/u_upload_mgr.h"
  31 #include "iris_context.h"
  32 #include "iris_resource.h"
  33 #include "iris_screen.h"
  34
  35 static void
  36 iris_flush(struct pipe_context *ctx,
  37            struct pipe_fence_handle **fence,
  38            unsigned flags)
  39 {
  40    if (fence)
  41       *fence = NULL;
  42 }
  43
  44 /**
  45  * For debugging purposes, this returns a time in seconds.
  46  */
  47 double
  48 get_time(void)
  49 {
  50    struct timespec tp;
  51
  52    clock_gettime(CLOCK_MONOTONIC, &tp);
  53
  54    return tp.tv_sec + tp.tv_nsec / 1000000000.0;
  55 }
  56
  57 static void
  58 iris_set_debug_callback(struct pipe_context *ctx,
  59                         const struct pipe_debug_callback *cb)
  60 {
  61    struct iris_context *ice = (struct iris_context *)ctx;
  62
  63    if (cb)
  64       ice->dbg = *cb;
  65    else
  66       memset(&ice->dbg, 0, sizeof(ice->dbg));
  67 }
  68
  69 static void
  70 iris_destroy_context(struct pipe_context *ctx)
  71 {
  72    struct iris_context *ice = (struct iris_context *)ctx;
  73
  74    if (ctx->stream_uploader)
  75       u_upload_destroy(ctx->stream_uploader);
  76
  77    ralloc_free(ice);
  78 }
  79
  80 struct pipe_context *
  81 iris_create_context(struct pipe_screen *pscreen, void *priv, unsigned flags)
  82 {
  83    struct iris_screen *screen = (struct iris_screen*)pscreen;
  84    struct iris_context *ice = rzalloc(NULL, struct iris_context);
  85
  86    if (!ice)
  87       return NULL;
  88
  89    struct pipe_context *ctx = &ice->ctx;
  90
  91    ctx->screen = pscreen;
  92    ctx->priv = priv;
  93
  94    ctx->stream_uploader = u_upload_create_default(ctx);
  95    if (!ctx->stream_uploader) {
  96       free(ctx);
  97       return NULL;
  98    }
  99    ctx->const_uploader = ctx->stream_uploader;
 100
 101    ctx->destroy = iris_destroy_context;
 102    ctx->flush = iris_flush;
 103    ctx->set_debug_callback = iris_set_debug_callback;
 104
 105    iris_init_blit_functions(ctx);
 106    iris_init_clear_functions(ctx);
 107    iris_init_program_functions(ctx);
 108    iris_init_resource_functions(ctx);
 109    iris_init_state_functions(ctx);
 110    iris_init_query_functions(ctx);
 111
 112    iris_init_program_cache(ice);
 113
 114    iris_batch_init(&ice->render_batch, screen, &ice->dbg);
 115
 116    return ctx;
 117 }