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/*
* Copyright 2014, 2015 Red Hat.
*
* 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 "util/u_memory.h"
#include "util/u_inlines.h"
#include "virgl_context.h"
#include "virgl_encode.h"
#include "virgl_protocol.h"
#include "virgl_resource.h"
struct virgl_query {
uint32_t handle;
struct virgl_resource *buf;
unsigned index;
unsigned type;
unsigned result_size;
unsigned result_gotten_sent;
};
static inline struct virgl_query *virgl_query(struct pipe_query *q)
{
return (struct virgl_query *)q;
}
static void virgl_render_condition(struct pipe_context *ctx,
struct pipe_query *q,
boolean condition,
uint mode)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_query *query = virgl_query(q);
uint32_t handle = 0;
if (q)
handle = query->handle;
virgl_encoder_render_condition(vctx, handle, condition, mode);
}
static struct pipe_query *virgl_create_query(struct pipe_context *ctx,
unsigned query_type, unsigned index)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_query *query;
uint32_t handle;
query = CALLOC_STRUCT(virgl_query);
if (!query)
return NULL;
query->buf = (struct virgl_resource *)pipe_buffer_create(ctx->screen, PIPE_BIND_CUSTOM,
PIPE_USAGE_STAGING, sizeof(struct virgl_host_query_state));
if (!query->buf) {
FREE(query);
return NULL;
}
handle = virgl_object_assign_handle();
query->type = query_type;
query->index = index;
query->handle = handle;
query->buf->clean = FALSE;
virgl_encoder_create_query(vctx, handle, query_type, index, query->buf, 0);
return (struct pipe_query *)query;
}
static void virgl_destroy_query(struct pipe_context *ctx,
struct pipe_query *q)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_query *query = virgl_query(q);
virgl_encode_delete_object(vctx, query->handle, VIRGL_OBJECT_QUERY);
pipe_resource_reference((struct pipe_resource **)&query->buf, NULL);
FREE(query);
}
static boolean virgl_begin_query(struct pipe_context *ctx,
struct pipe_query *q)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_query *query = virgl_query(q);
query->buf->clean = FALSE;
virgl_encoder_begin_query(vctx, query->handle);
return true;
}
static void virgl_end_query(struct pipe_context *ctx,
struct pipe_query *q)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_query *query = virgl_query(q);
struct pipe_box box;
uint32_t qs = VIRGL_QUERY_STATE_WAIT_HOST;
u_box_1d(0, 4, &box);
virgl_transfer_inline_write(ctx, &query->buf->u.b, 0, PIPE_TRANSFER_WRITE,
&box, &qs, 0, 0);
virgl_encoder_end_query(vctx, query->handle);
}
static boolean virgl_get_query_result(struct pipe_context *ctx,
struct pipe_query *q,
boolean wait,
union pipe_query_result *result)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_query *query = virgl_query(q);
struct pipe_transfer *transfer;
struct virgl_host_query_state *host_state;
/* ask host for query result */
if (!query->result_gotten_sent) {
query->result_gotten_sent = 1;
virgl_encoder_get_query_result(vctx, query->handle, 0);
ctx->flush(ctx, NULL, 0);
}
/* do we have to flush? */
/* now we can do the transfer to get the result back? */
remap:
host_state = pipe_buffer_map(ctx, &query->buf->u.b,
PIPE_TRANSFER_READ, &transfer);
if (host_state->query_state != VIRGL_QUERY_STATE_DONE) {
pipe_buffer_unmap(ctx, transfer);
if (wait)
goto remap;
else
return FALSE;
}
if (query->type == PIPE_QUERY_TIMESTAMP || query->type == PIPE_QUERY_TIME_ELAPSED)
result->u64 = host_state->result;
else
result->u64 = (uint32_t)host_state->result;
pipe_buffer_unmap(ctx, transfer);
query->result_gotten_sent = 0;
return TRUE;
}
void virgl_init_query_functions(struct virgl_context *vctx)
{
vctx->base.render_condition = virgl_render_condition;
vctx->base.create_query = virgl_create_query;
vctx->base.destroy_query = virgl_destroy_query;
vctx->base.begin_query = virgl_begin_query;
vctx->base.end_query = virgl_end_query;
vctx->base.get_query_result = virgl_get_query_result;
}
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