src/gallium/drivers/llvmpipe/lp_state_cs.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2019 Red Hat.
   4  * All Rights Reserved.
   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
  17  * OR 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 FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **************************************************************************/
  25 #include "util/u_memory.h"
  26 #include "util/simple_list.h"
  27
  28 #include "tgsi/tgsi_parse.h"
  29 #include "gallivm/lp_bld_debug.h"
  30 #include "lp_state_cs.h"
  31 #include "lp_context.h"
  32 #include "lp_debug.h"
  33 #include "lp_state.h"
  34
  35 static void *
  36 llvmpipe_create_compute_state(struct pipe_context *pipe,
  37                                      const struct pipe_compute_state *templ)
  38 {
  39    struct lp_compute_shader *shader;
  40
  41    shader = CALLOC_STRUCT(lp_compute_shader);
  42    if (!shader)
  43       return NULL;
  44
  45    assert(templ->ir_type == PIPE_SHADER_IR_TGSI);
  46    shader->base.tokens = tgsi_dup_tokens(templ->prog);
  47
  48    lp_build_tgsi_info(shader->base.tokens, &shader->info);
  49    make_empty_list(&shader->variants);
  50
  51    return shader;
  52 }
  53
  54 static void
  55 llvmpipe_bind_compute_state(struct pipe_context *pipe,
  56                             void *cs)
  57 {
  58    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
  59
  60    if (llvmpipe->cs == cs)
  61       return;
  62
  63    llvmpipe->cs = (struct lp_compute_shader *)cs;
  64    llvmpipe->cs_dirty |= LP_CSNEW_CS;
  65 }
  66
  67 /**
  68  * Remove shader variant from two lists: the shader's variant list
  69  * and the context's variant list.
  70  */
  71 static void
  72 llvmpipe_remove_cs_shader_variant(struct llvmpipe_context *lp,
  73                                   struct lp_compute_shader_variant *variant)
  74 {
  75    if ((LP_DEBUG & DEBUG_CS) || (gallivm_debug & GALLIVM_DEBUG_IR)) {
  76       debug_printf("llvmpipe: del cs #%u var %u v created %u v cached %u "
  77                    "v total cached %u inst %u total inst %u\n",
  78                    variant->shader->no, variant->no,
  79                    variant->shader->variants_created,
  80                    variant->shader->variants_cached,
  81                    lp->nr_cs_variants, variant->nr_instrs, lp->nr_cs_instrs);
  82    }
  83
  84    gallivm_destroy(variant->gallivm);
  85
  86    /* remove from shader's list */
  87    remove_from_list(&variant->list_item_local);
  88    variant->shader->variants_cached--;
  89
  90    /* remove from context's list */
  91    remove_from_list(&variant->list_item_global);
  92    lp->nr_fs_variants--;
  93    lp->nr_fs_instrs -= variant->nr_instrs;
  94
  95    FREE(variant);
  96 }
  97
  98 static void
  99 llvmpipe_delete_compute_state(struct pipe_context *pipe,
 100                               void *cs)
 101 {
 102    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
 103    struct lp_compute_shader *shader = cs;
 104    struct lp_cs_variant_list_item *li;
 105
 106    /* Delete all the variants */
 107    li = first_elem(&shader->variants);
 108    while(!at_end(&shader->variants, li)) {
 109       struct lp_cs_variant_list_item *next = next_elem(li);
 110       llvmpipe_remove_cs_shader_variant(llvmpipe, li->base);
 111       li = next;
 112    }
 113    tgsi_free_tokens(shader->base.tokens);
 114    FREE(shader);
 115 }
 116
 117 void
 118 llvmpipe_init_compute_funcs(struct llvmpipe_context *llvmpipe)
 119 {
 120    llvmpipe->pipe.create_compute_state = llvmpipe_create_compute_state;
 121    llvmpipe->pipe.bind_compute_state = llvmpipe_bind_compute_state;
 122    llvmpipe->pipe.delete_compute_state = llvmpipe_delete_compute_state;
 123 }
 124
 125 void
 126 lp_csctx_destroy(struct lp_cs_context *csctx)
 127 {
 128    FREE(csctx);
 129 }
 130
 131 struct lp_cs_context *lp_csctx_create(struct pipe_context *pipe)
 132 {
 133    struct lp_cs_context *csctx;
 134
 135    csctx = CALLOC_STRUCT(lp_cs_context);
 136    if (!csctx)
 137       return NULL;
 138
 139    csctx->pipe = pipe;
 140    return csctx;
 141 }