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/*
* Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "r600_pipe.h"
#include "r600d.h"
static struct pipe_query *r600_create_query(struct pipe_context *ctx, unsigned query_type)
{
struct r600_context *rctx = (struct r600_context *)ctx;
return (struct pipe_query*)r600_context_query_create(rctx, query_type);
}
static void r600_destroy_query(struct pipe_context *ctx, struct pipe_query *query)
{
struct r600_context *rctx = (struct r600_context *)ctx;
r600_context_query_destroy(rctx, (struct r600_query *)query);
}
static void r600_begin_query(struct pipe_context *ctx, struct pipe_query *query)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct r600_query *rquery = (struct r600_query *)query;
memset(&rquery->result, 0, sizeof(rquery->result));
rquery->results_start = rquery->results_end;
r600_query_begin(rctx, (struct r600_query *)query);
LIST_ADDTAIL(&rquery->list, &rctx->active_query_list);
}
static void r600_end_query(struct pipe_context *ctx, struct pipe_query *query)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct r600_query *rquery = (struct r600_query *)query;
r600_query_end(rctx, rquery);
LIST_DELINIT(&rquery->list);
}
static boolean r600_get_query_result(struct pipe_context *ctx,
struct pipe_query *query,
boolean wait, void *vresult)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct r600_query *rquery = (struct r600_query *)query;
return r600_context_query_result(rctx, rquery, wait, vresult);
}
static void r600_render_condition(struct pipe_context *ctx,
struct pipe_query *query,
uint mode)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct r600_query *rquery = (struct r600_query *)query;
int wait_flag = 0;
/* If we already have nonzero result, render unconditionally */
if (query != NULL && rquery->result.u64 != 0) {
if (rctx->current_render_cond) {
r600_render_condition(ctx, NULL, 0);
}
return;
}
rctx->current_render_cond = query;
rctx->current_render_cond_mode = mode;
if (query == NULL) {
if (rctx->predicate_drawing) {
rctx->predicate_drawing = false;
r600_query_predication(rctx, NULL, PREDICATION_OP_CLEAR, 1);
}
return;
}
if (mode == PIPE_RENDER_COND_WAIT ||
mode == PIPE_RENDER_COND_BY_REGION_WAIT) {
wait_flag = 1;
}
rctx->predicate_drawing = true;
switch (rquery->type) {
case PIPE_QUERY_OCCLUSION_COUNTER:
case PIPE_QUERY_OCCLUSION_PREDICATE:
r600_query_predication(rctx, rquery, PREDICATION_OP_ZPASS, wait_flag);
break;
case PIPE_QUERY_PRIMITIVES_EMITTED:
case PIPE_QUERY_PRIMITIVES_GENERATED:
case PIPE_QUERY_SO_STATISTICS:
case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
r600_query_predication(rctx, rquery, PREDICATION_OP_PRIMCOUNT, wait_flag);
break;
default:
assert(0);
}
}
void r600_init_query_functions(struct r600_context *rctx)
{
rctx->context.create_query = r600_create_query;
rctx->context.destroy_query = r600_destroy_query;
rctx->context.begin_query = r600_begin_query;
rctx->context.end_query = r600_end_query;
rctx->context.get_query_result = r600_get_query_result;
if (rctx->screen->info.r600_num_backends > 0)
rctx->context.render_condition = r600_render_condition;
}
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