src/mesa/drivers/dri/radeon/radeon_queryobj.c

   1 /*
   2  * Copyright © 2008-2009 Maciej Cencora <m.cencora@gmail.com>
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Maciej Cencora <m.cencora@gmail.com>
  25  *
  26  */
  27 #include "radeon_common.h"
  28 #include "radeon_queryobj.h"
  29 #include "radeon_debug.h"
  30
  31 #include "util/imports.h"
  32 #include "main/queryobj.h"
  33
  34 #include <inttypes.h>
  35
  36 static void radeonQueryGetResult(struct gl_context *ctx, struct gl_query_object *q)
  37 {
  38         struct radeon_query_object *query = (struct radeon_query_object *)q;
  39         uint32_t *result;
  40         int i;
  41
  42         radeon_print(RADEON_STATE, RADEON_VERBOSE,
  43                         "%s: query id %d, result %d\n",
  44                         __func__, query->Base.Id, (int) query->Base.Result);
  45
  46         radeon_bo_map(query->bo, GL_FALSE);
  47         result = query->bo->ptr;
  48
  49         query->Base.Result = 0;
  50         for (i = 0; i < query->curr_offset/sizeof(uint32_t); ++i) {
  51                 query->Base.Result += LE32_TO_CPU(result[i]);
  52                 radeon_print(RADEON_STATE, RADEON_TRACE, "result[%d] = %d\n", i, LE32_TO_CPU(result[i]));
  53         }
  54
  55         radeon_bo_unmap(query->bo);
  56 }
  57
  58 static struct gl_query_object * radeonNewQueryObject(struct gl_context *ctx, GLuint id)
  59 {
  60         struct radeon_query_object *query;
  61
  62         query = calloc(1, sizeof(struct radeon_query_object));
  63
  64         query->Base.Id = id;
  65         query->Base.Result = 0;
  66         query->Base.Active = GL_FALSE;
  67         query->Base.Ready = GL_TRUE;
  68
  69         radeon_print(RADEON_STATE, RADEON_VERBOSE,"%s: query id %d\n", __func__, query->Base.Id);
  70
  71         return &query->Base;
  72 }
  73
  74 static void radeonDeleteQuery(struct gl_context *ctx, struct gl_query_object *q)
  75 {
  76         struct radeon_query_object *query = (struct radeon_query_object *)q;
  77
  78         radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d\n", __func__, q->Id);
  79
  80         if (query->bo) {
  81                 radeon_bo_unref(query->bo);
  82         }
  83
  84         _mesa_delete_query(ctx, q);
  85 }
  86
  87 static void radeonWaitQuery(struct gl_context *ctx, struct gl_query_object *q)
  88 {
  89         radeonContextPtr radeon = RADEON_CONTEXT(ctx);
  90         struct radeon_query_object *query = (struct radeon_query_object *)q;
  91
  92         /* If the cmdbuf with packets for this query hasn't been flushed yet, do it now */
  93         if (radeon_bo_is_referenced_by_cs(query->bo, radeon->cmdbuf.cs))
  94                 ctx->Driver.Flush(ctx);
  95
  96         radeon_print(RADEON_STATE, RADEON_VERBOSE, "%s: query id %d, bo %p, offset %d\n", __func__, q->Id, query->bo, query->curr_offset);
  97
  98         radeonQueryGetResult(ctx, q);
  99
 100         query->Base.Ready = GL_TRUE;
 101 }
 102
 103
 104 static void radeonBeginQuery(struct gl_context *ctx, struct gl_query_object *q)
 105 {
 106         radeonContextPtr radeon = RADEON_CONTEXT(ctx);
 107         struct radeon_query_object *query = (struct radeon_query_object *)q;
 108
 109         radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d\n", __func__, q->Id);
 110
 111         assert(radeon->query.current == NULL);
 112
 113         if (radeon->dma.flush)
 114                 radeon->dma.flush(&radeon->glCtx);
 115
 116         if (!query->bo) {
 117                 query->bo = radeon_bo_open(radeon->radeonScreen->bom, 0, RADEON_QUERY_PAGE_SIZE, RADEON_QUERY_PAGE_SIZE, RADEON_GEM_DOMAIN_GTT, 0);
 118         }
 119         query->curr_offset = 0;
 120
 121         radeon->query.current = query;
 122
 123         radeon->query.queryobj.dirty = GL_TRUE;
 124         radeon->hw.is_dirty = GL_TRUE;
 125 }
 126
 127 void radeonEmitQueryEnd(struct gl_context *ctx)
 128 {
 129         radeonContextPtr radeon = RADEON_CONTEXT(ctx);
 130         struct radeon_query_object *query = radeon->query.current;
 131
 132         if (!query)
 133                 return;
 134
 135         if (query->emitted_begin == GL_FALSE)
 136                 return;
 137
 138         radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d, bo %p, offset %d\n", __func__, query->Base.Id, query->bo, query->curr_offset);
 139
 140         radeon_cs_space_check_with_bo(radeon->cmdbuf.cs,
 141                                       query->bo,
 142                                       0, RADEON_GEM_DOMAIN_GTT);
 143
 144         radeon->vtbl.emit_query_finish(radeon);
 145 }
 146
 147 static void radeonEndQuery(struct gl_context *ctx, struct gl_query_object *q)
 148 {
 149         radeonContextPtr radeon = RADEON_CONTEXT(ctx);
 150
 151         radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d\n", __func__, q->Id);
 152
 153         if (radeon->dma.flush)
 154                 radeon->dma.flush(&radeon->glCtx);
 155         radeonEmitQueryEnd(ctx);
 156
 157         radeon->query.current = NULL;
 158 }
 159
 160 static void radeonCheckQuery(struct gl_context *ctx, struct gl_query_object *q)
 161 {
 162         radeon_print(RADEON_STATE, RADEON_TRACE, "%s: query id %d\n", __func__, q->Id);
 163 \
 164 #ifdef DRM_RADEON_GEM_BUSY
 165         radeonContextPtr radeon = RADEON_CONTEXT(ctx);
 166
 167         struct radeon_query_object *query = (struct radeon_query_object *)q;
 168         uint32_t domain;
 169
 170         /* Need to perform a flush, as per ARB_occlusion_query spec */
 171         if (radeon_bo_is_referenced_by_cs(query->bo, radeon->cmdbuf.cs)) {
 172                 ctx->Driver.Flush(ctx);
 173         }
 174
 175         if (radeon_bo_is_busy(query->bo, &domain) == 0) {
 176                 radeonQueryGetResult(ctx, q);
 177                 query->Base.Ready = GL_TRUE;
 178         }
 179 #else
 180         radeonWaitQuery(ctx, q);
 181 #endif
 182 }
 183
 184 void radeonInitQueryObjFunctions(struct dd_function_table *functions)
 185 {
 186         functions->NewQueryObject = radeonNewQueryObject;
 187         functions->DeleteQuery = radeonDeleteQuery;
 188         functions->BeginQuery = radeonBeginQuery;
 189         functions->EndQuery = radeonEndQuery;
 190         functions->CheckQuery = radeonCheckQuery;
 191         functions->WaitQuery = radeonWaitQuery;
 192 }
 193
 194 int radeon_check_query_active(struct gl_context *ctx, struct radeon_state_atom *atom)
 195 {
 196         radeonContextPtr radeon = RADEON_CONTEXT(ctx);
 197         struct radeon_query_object *query = radeon->query.current;
 198
 199         if (!query || query->emitted_begin)
 200                 return 0;
 201         return atom->cmd_size;
 202 }
 203
 204 void radeon_emit_queryobj(struct gl_context *ctx, struct radeon_state_atom *atom)
 205 {
 206         radeonContextPtr radeon = RADEON_CONTEXT(ctx);
 207         BATCH_LOCALS(radeon);
 208         int dwords;
 209
 210         dwords = atom->check(ctx, atom);
 211
 212         BEGIN_BATCH(dwords);
 213         OUT_BATCH_TABLE(atom->cmd, dwords);
 214         END_BATCH();
 215
 216         radeon->query.current->emitted_begin = GL_TRUE;
 217 }