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/*
* Copyright (c) 2017-2019 Lima Project
*
* 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
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*
*/
/**
* Stub support for occlusion queries.
*
* Since we expose support for GL 2.0, we have to expose occlusion queries,
* but the spec allows you to expose 0 query counter bits, so we just return 0
* as the result of all our queries.
*/
#include "util/u_debug.h"
#include "lima_context.h"
struct lima_query
{
uint8_t pad;
};
static struct pipe_query *
lima_create_query(struct pipe_context *ctx, unsigned query_type, unsigned index)
{
struct lima_query *query = calloc(1, sizeof(*query));
/* Note that struct pipe_query isn't actually defined anywhere. */
return (struct pipe_query *)query;
}
static void
lima_destroy_query(struct pipe_context *ctx, struct pipe_query *query)
{
free(query);
}
static boolean
lima_begin_query(struct pipe_context *ctx, struct pipe_query *query)
{
return true;
}
static bool
lima_end_query(struct pipe_context *ctx, struct pipe_query *query)
{
return true;
}
static boolean
lima_get_query_result(struct pipe_context *ctx, struct pipe_query *query,
boolean wait, union pipe_query_result *vresult)
{
uint64_t *result = &vresult->u64;
*result = 0;
return true;
}
static void
lima_set_active_query_state(struct pipe_context *pipe, boolean enable)
{
}
void
lima_query_init(struct lima_context *pctx)
{
pctx->base.create_query = lima_create_query;
pctx->base.destroy_query = lima_destroy_query;
pctx->base.begin_query = lima_begin_query;
pctx->base.end_query = lima_end_query;
pctx->base.get_query_result = lima_get_query_result;
pctx->base.set_active_query_state = lima_set_active_query_state;
}
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