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/**********************************************************
* Copyright 2015 VMware, Inc. All rights reserved.
*
* 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, sublicense, 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 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
* NONINFRINGEMENT. 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.
*
**********************************************************/
#include "pipebuffer/pb_bufmgr.h"
#include "util/u_memory.h"
#include "vmw_screen.h"
#include "vmw_buffer.h"
#include "vmw_query.h"
struct svga_winsys_gb_query *
vmw_svga_winsys_query_create(struct svga_winsys_screen *sws,
uint32 queryResultLen)
{
struct vmw_winsys_screen *vws = vmw_winsys_screen(sws);
struct pb_manager *provider = vws->pools.gmr;
struct pb_desc desc = {0};
struct pb_buffer *pb_buf;
struct svga_winsys_gb_query *query;
query = CALLOC_STRUCT(svga_winsys_gb_query);
if (!query)
return NULL;
/* Allocate memory to hold queries for this context */
desc.alignment = 4096;
pb_buf = provider->create_buffer(provider, queryResultLen, &desc);
query->buf = vmw_svga_winsys_buffer_wrap(pb_buf);
if (!query->buf) {
debug_printf("Failed to allocate memory for queries\n");
FREE(query);
query = NULL;
}
return query;
}
void
vmw_svga_winsys_query_destroy(struct svga_winsys_screen *sws,
struct svga_winsys_gb_query *query)
{
vmw_svga_winsys_buffer_destroy(sws, query->buf);
FREE(query);
}
int
vmw_svga_winsys_query_init(struct svga_winsys_screen *sws,
struct svga_winsys_gb_query *query,
unsigned offset,
SVGA3dQueryState queryState)
{
SVGA3dQueryState *state;
state = (SVGA3dQueryState *) vmw_svga_winsys_buffer_map(sws,
query->buf,
PIPE_TRANSFER_WRITE);
if (!state) {
debug_printf("Failed to map query result memory for initialization\n");
return -1;
}
/* Initialize the query state for the specified query slot */
state = (SVGA3dQueryState *)((char *)state + offset);
*state = queryState;
vmw_svga_winsys_buffer_unmap(sws, query->buf);
return 0;
}
void
vmw_svga_winsys_query_get_result(struct svga_winsys_screen *sws,
struct svga_winsys_gb_query *query,
unsigned offset,
SVGA3dQueryState *queryState,
void *result, uint32 resultLen)
{
SVGA3dQueryState *state;
state = (SVGA3dQueryState *) vmw_svga_winsys_buffer_map(sws,
query->buf,
PIPE_TRANSFER_READ);
if (!state) {
debug_printf("Failed to lock query result memory\n");
if (queryState)
*queryState = SVGA3D_QUERYSTATE_FAILED;
return;
}
state = (SVGA3dQueryState *)((char *)state + offset);
if (queryState)
*queryState = *state;
if (result) {
memcpy(result, state + 1, resultLen);
}
vmw_svga_winsys_buffer_unmap(sws, query->buf);
}
enum pipe_error
vmw_swc_query_bind(struct svga_winsys_context *swc,
struct svga_winsys_gb_query *query,
unsigned flags)
{
/* no-op on Linux */
return PIPE_OK;
}
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