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      1 /*
      2  * Copyright 2010 Jerome Glisse <glisse (at) freedesktop.org>
      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 "radeonsi_pipe.h"
     24 #include "sid.h"
     25 
     26 static struct pipe_query *r600_create_query(struct pipe_context *ctx, unsigned query_type)
     27 {
     28 	struct r600_context *rctx = (struct r600_context *)ctx;
     29 
     30 	return (struct pipe_query*)r600_context_query_create(rctx, query_type);
     31 }
     32 
     33 static void r600_destroy_query(struct pipe_context *ctx, struct pipe_query *query)
     34 {
     35 	struct r600_context *rctx = (struct r600_context *)ctx;
     36 
     37 	r600_context_query_destroy(rctx, (struct r600_query *)query);
     38 }
     39 
     40 static void r600_begin_query(struct pipe_context *ctx, struct pipe_query *query)
     41 {
     42 	struct r600_context *rctx = (struct r600_context *)ctx;
     43 	struct r600_query *rquery = (struct r600_query *)query;
     44 
     45 	memset(&rquery->result, 0, sizeof(rquery->result));
     46 	rquery->results_start = rquery->results_end;
     47 	r600_query_begin(rctx, (struct r600_query *)query);
     48 	LIST_ADDTAIL(&rquery->list, &rctx->active_query_list);
     49 }
     50 
     51 static void r600_end_query(struct pipe_context *ctx, struct pipe_query *query)
     52 {
     53 	struct r600_context *rctx = (struct r600_context *)ctx;
     54 	struct r600_query *rquery = (struct r600_query *)query;
     55 
     56 	r600_query_end(rctx, rquery);
     57 	LIST_DELINIT(&rquery->list);
     58 }
     59 
     60 static boolean r600_get_query_result(struct pipe_context *ctx,
     61 					struct pipe_query *query,
     62 					boolean wait, union pipe_query_result *vresult)
     63 {
     64 	struct r600_context *rctx = (struct r600_context *)ctx;
     65 	struct r600_query *rquery = (struct r600_query *)query;
     66 
     67 	return r600_context_query_result(rctx, rquery, wait, vresult);
     68 }
     69 
     70 static void r600_render_condition(struct pipe_context *ctx,
     71 				  struct pipe_query *query,
     72 				  uint mode)
     73 {
     74 	struct r600_context *rctx = (struct r600_context *)ctx;
     75 	struct r600_query *rquery = (struct r600_query *)query;
     76 	int wait_flag = 0;
     77 
     78 	/* If we already have nonzero result, render unconditionally */
     79 	if (query != NULL && rquery->result.u64 != 0) {
     80 		if (rctx->current_render_cond) {
     81 			r600_render_condition(ctx, NULL, 0);
     82 		}
     83 		return;
     84 	}
     85 
     86 	rctx->current_render_cond = query;
     87 	rctx->current_render_cond_mode = mode;
     88 
     89 	if (query == NULL) {
     90 		if (rctx->predicate_drawing) {
     91 			rctx->predicate_drawing = false;
     92 			r600_query_predication(rctx, NULL, PREDICATION_OP_CLEAR, 1);
     93 		}
     94 		return;
     95 	}
     96 
     97 	if (mode == PIPE_RENDER_COND_WAIT ||
     98 	    mode == PIPE_RENDER_COND_BY_REGION_WAIT) {
     99 		wait_flag = 1;
    100 	}
    101 
    102 	rctx->predicate_drawing = true;
    103 
    104 	switch (rquery->type) {
    105 	case PIPE_QUERY_OCCLUSION_COUNTER:
    106 	case PIPE_QUERY_OCCLUSION_PREDICATE:
    107 		r600_query_predication(rctx, rquery, PREDICATION_OP_ZPASS, wait_flag);
    108 		break;
    109 	case PIPE_QUERY_PRIMITIVES_EMITTED:
    110 	case PIPE_QUERY_PRIMITIVES_GENERATED:
    111 	case PIPE_QUERY_SO_STATISTICS:
    112 	case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
    113 		r600_query_predication(rctx, rquery, PREDICATION_OP_PRIMCOUNT, wait_flag);
    114 		break;
    115 	default:
    116 		assert(0);
    117 	}
    118 }
    119 
    120 void r600_init_query_functions(struct r600_context *rctx)
    121 {
    122 	rctx->context.create_query = r600_create_query;
    123 	rctx->context.destroy_query = r600_destroy_query;
    124 	rctx->context.begin_query = r600_begin_query;
    125 	rctx->context.end_query = r600_end_query;
    126 	rctx->context.get_query_result = r600_get_query_result;
    127 
    128 	if (rctx->screen->info.r600_num_backends > 0)
    129 	    rctx->context.render_condition = r600_render_condition;
    130 }
    131