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      1 /*
      2  * Copyright  2008-2009 Maciej Cencora <m.cencora (at) 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 (at) gmail.com>
     25  *
     26  */
     27 #include "radeon_common.h"
     28 #include "radeon_queryobj.h"
     29 #include "radeon_debug.h"
     30 
     31 #include "main/imports.h"
     32 
     33 #include <inttypes.h>
     34 
     35 static void radeonQueryGetResult(struct gl_context *ctx, struct gl_query_object *q)
     36 {
     37 	struct radeon_query_object *query = (struct radeon_query_object *)q;
     38         uint32_t *result;
     39 	int i;
     40 
     41 	radeon_print(RADEON_STATE, RADEON_VERBOSE,
     42 			"%s: query id %d, result %d\n",
     43 			__func__, query->Base.Id, (int) query->Base.Result);
     44 
     45 	radeon_bo_map(query->bo, GL_FALSE);
     46         result = query->bo->ptr;
     47 
     48 	query->Base.Result = 0;
     49 	for (i = 0; i < query->curr_offset/sizeof(uint32_t); ++i) {
     50 		query->Base.Result += LE32_TO_CPU(result[i]);
     51 		radeon_print(RADEON_STATE, RADEON_TRACE, "result[%d] = %d\n", i, LE32_TO_CPU(result[i]));
     52 	}
     53 
     54 	radeon_bo_unmap(query->bo);
     55 }
     56 
     57 static struct gl_query_object * radeonNewQueryObject(struct gl_context *ctx, GLuint id)
     58 {
     59 	struct radeon_query_object *query;
     60 
     61 	query = calloc(1, sizeof(struct radeon_query_object));
     62 
     63 	query->Base.Id = id;
     64 	query->Base.Result = 0;
     65 	query->Base.Active = GL_FALSE;
     66 	query->Base.Ready = GL_TRUE;
     67 
     68 	radeon_print(RADEON_STATE, RADEON_VERBOSE,"%s: query id %d\n", __func__, query->Base.Id);
     69 
     70 	return &query->Base;
     71 }
     72 
     73 static void radeonDeleteQuery(struct gl_context *ctx, struct gl_query_object *q)
     74 {
     75 	struct radeon_query_object *query = (struct radeon_query_object *)q;
     76 
     77 	radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d\n", __func__, q->Id);
     78 
     79 	if (query->bo) {
     80 		radeon_bo_unref(query->bo);
     81 	}
     82 
     83 	free(query);
     84 }
     85 
     86 static void radeonWaitQuery(struct gl_context *ctx, struct gl_query_object *q)
     87 {
     88 	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
     89 	struct radeon_query_object *query = (struct radeon_query_object *)q;
     90 
     91 	/* If the cmdbuf with packets for this query hasn't been flushed yet, do it now */
     92 	if (radeon_bo_is_referenced_by_cs(query->bo, radeon->cmdbuf.cs))
     93 		ctx->Driver.Flush(ctx);
     94 
     95 	radeon_print(RADEON_STATE, RADEON_VERBOSE, "%s: query id %d, bo %p, offset %d\n", __func__, q->Id, query->bo, query->curr_offset);
     96 
     97 	radeonQueryGetResult(ctx, q);
     98 
     99 	query->Base.Ready = GL_TRUE;
    100 }
    101 
    102 
    103 static void radeonBeginQuery(struct gl_context *ctx, struct gl_query_object *q)
    104 {
    105 	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
    106 	struct radeon_query_object *query = (struct radeon_query_object *)q;
    107 
    108 	radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d\n", __func__, q->Id);
    109 
    110 	assert(radeon->query.current == NULL);
    111 
    112 	if (radeon->dma.flush)
    113 		radeon->dma.flush(&radeon->glCtx);
    114 
    115 	if (!query->bo) {
    116 		query->bo = radeon_bo_open(radeon->radeonScreen->bom, 0, RADEON_QUERY_PAGE_SIZE, RADEON_QUERY_PAGE_SIZE, RADEON_GEM_DOMAIN_GTT, 0);
    117 	}
    118 	query->curr_offset = 0;
    119 
    120 	radeon->query.current = query;
    121 
    122 	radeon->query.queryobj.dirty = GL_TRUE;
    123 	radeon->hw.is_dirty = GL_TRUE;
    124 }
    125 
    126 void radeonEmitQueryEnd(struct gl_context *ctx)
    127 {
    128 	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
    129 	struct radeon_query_object *query = radeon->query.current;
    130 
    131 	if (!query)
    132 		return;
    133 
    134 	if (query->emitted_begin == GL_FALSE)
    135 		return;
    136 
    137 	radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d, bo %p, offset %d\n", __func__, query->Base.Id, query->bo, query->curr_offset);
    138 
    139 	radeon_cs_space_check_with_bo(radeon->cmdbuf.cs,
    140 				      query->bo,
    141 				      0, RADEON_GEM_DOMAIN_GTT);
    142 
    143 	radeon->vtbl.emit_query_finish(radeon);
    144 }
    145 
    146 static void radeonEndQuery(struct gl_context *ctx, struct gl_query_object *q)
    147 {
    148 	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
    149 
    150 	radeon_print(RADEON_STATE, RADEON_NORMAL, "%s: query id %d\n", __func__, q->Id);
    151 
    152 	if (radeon->dma.flush)
    153 		radeon->dma.flush(&radeon->glCtx);
    154 	radeonEmitQueryEnd(ctx);
    155 
    156 	radeon->query.current = NULL;
    157 }
    158 
    159 static void radeonCheckQuery(struct gl_context *ctx, struct gl_query_object *q)
    160 {
    161 	radeon_print(RADEON_STATE, RADEON_TRACE, "%s: query id %d\n", __func__, q->Id);
    162 \
    163 #ifdef DRM_RADEON_GEM_BUSY
    164 	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
    165 
    166 	struct radeon_query_object *query = (struct radeon_query_object *)q;
    167 	uint32_t domain;
    168 
    169 	/* Need to perform a flush, as per ARB_occlusion_query spec */
    170 	if (radeon_bo_is_referenced_by_cs(query->bo, radeon->cmdbuf.cs)) {
    171 		ctx->Driver.Flush(ctx);
    172 	}
    173 
    174 	if (radeon_bo_is_busy(query->bo, &domain) == 0) {
    175 		radeonQueryGetResult(ctx, q);
    176 		query->Base.Ready = GL_TRUE;
    177 	}
    178 #else
    179 	radeonWaitQuery(ctx, q);
    180 #endif
    181 }
    182 
    183 void radeonInitQueryObjFunctions(struct dd_function_table *functions)
    184 {
    185 	functions->NewQueryObject = radeonNewQueryObject;
    186 	functions->DeleteQuery = radeonDeleteQuery;
    187 	functions->BeginQuery = radeonBeginQuery;
    188 	functions->EndQuery = radeonEndQuery;
    189 	functions->CheckQuery = radeonCheckQuery;
    190 	functions->WaitQuery = radeonWaitQuery;
    191 }
    192 
    193 int radeon_check_query_active(struct gl_context *ctx, struct radeon_state_atom *atom)
    194 {
    195 	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
    196 	struct radeon_query_object *query = radeon->query.current;
    197 
    198 	if (!query || query->emitted_begin)
    199 		return 0;
    200 	return atom->cmd_size;
    201 }
    202 
    203 void radeon_emit_queryobj(struct gl_context *ctx, struct radeon_state_atom *atom)
    204 {
    205 	radeonContextPtr radeon = RADEON_CONTEXT(ctx);
    206 	BATCH_LOCALS(radeon);
    207 	int dwords;
    208 
    209 	dwords = atom->check(ctx, atom);
    210 
    211 	BEGIN_BATCH(dwords);
    212 	OUT_BATCH_TABLE(atom->cmd, dwords);
    213 	END_BATCH();
    214 
    215 	radeon->query.current->emitted_begin = GL_TRUE;
    216 }
    217