| /************************************************************************** |
| * |
| * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * 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, 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 TUNGSTEN GRAPHICS AND/OR ITS 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. |
| * |
| **************************************************************************/ |
| |
| /* Author: |
| * Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| #include "draw/draw_context.h" |
| #include "pipe/p_defines.h" |
| #include "util/u_memory.h" |
| #include "sp_context.h" |
| #include "sp_query.h" |
| #include "sp_state.h" |
| |
| struct softpipe_query { |
| uint64_t start; |
| uint64_t end; |
| }; |
| |
| |
| static struct softpipe_query *softpipe_query( struct pipe_query *p ) |
| { |
| return (struct softpipe_query *)p; |
| } |
| |
| static struct pipe_query * |
| softpipe_create_query(struct pipe_context *pipe, |
| unsigned type) |
| { |
| assert(type == PIPE_QUERY_OCCLUSION_COUNTER); |
| return (struct pipe_query *)CALLOC_STRUCT( softpipe_query ); |
| } |
| |
| |
| static void |
| softpipe_destroy_query(struct pipe_context *pipe, struct pipe_query *q) |
| { |
| FREE(q); |
| } |
| |
| |
| static void |
| softpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q) |
| { |
| struct softpipe_context *softpipe = softpipe_context( pipe ); |
| struct softpipe_query *sq = softpipe_query(q); |
| |
| sq->start = softpipe->occlusion_count; |
| softpipe->active_query_count++; |
| softpipe->dirty |= SP_NEW_QUERY; |
| } |
| |
| |
| static void |
| softpipe_end_query(struct pipe_context *pipe, struct pipe_query *q) |
| { |
| struct softpipe_context *softpipe = softpipe_context( pipe ); |
| struct softpipe_query *sq = softpipe_query(q); |
| |
| softpipe->active_query_count--; |
| sq->end = softpipe->occlusion_count; |
| softpipe->dirty |= SP_NEW_QUERY; |
| } |
| |
| |
| static boolean |
| softpipe_get_query_result(struct pipe_context *pipe, |
| struct pipe_query *q, |
| boolean wait, |
| uint64_t *result ) |
| { |
| struct softpipe_query *sq = softpipe_query(q); |
| *result = sq->end - sq->start; |
| return TRUE; |
| } |
| |
| |
| void softpipe_init_query_funcs(struct softpipe_context *softpipe ) |
| { |
| softpipe->pipe.create_query = softpipe_create_query; |
| softpipe->pipe.destroy_query = softpipe_destroy_query; |
| softpipe->pipe.begin_query = softpipe_begin_query; |
| softpipe->pipe.end_query = softpipe_end_query; |
| softpipe->pipe.get_query_result = softpipe_get_query_result; |
| } |
| |
| |