diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_query.c')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_query.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_query.c b/src/gallium/drivers/softpipe/sp_query.c new file mode 100644 index 0000000000..4ae69c1c2b --- /dev/null +++ b/src/gallium/drivers/softpipe/sp_query.c @@ -0,0 +1,207 @@ +/************************************************************************** + * + * 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 "os/os_time.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 { + unsigned type; + uint64_t start; + uint64_t end; + struct pipe_query_data_so_statistics so; +}; + + +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) +{ + struct softpipe_query* sq; + + assert(type == PIPE_QUERY_OCCLUSION_COUNTER || + type == PIPE_QUERY_TIME_ELAPSED || + type == PIPE_QUERY_SO_STATISTICS || + type == PIPE_QUERY_GPU_FINISHED || + type == PIPE_QUERY_TIMESTAMP_DISJOINT); + sq = CALLOC_STRUCT( softpipe_query ); + sq->type = type; + + return (struct pipe_query *)sq; +} + + +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); + + switch (sq->type) { + case PIPE_QUERY_OCCLUSION_COUNTER: + sq->start = softpipe->occlusion_count; + break; + case PIPE_QUERY_TIME_ELAPSED: + sq->start = 1000*os_time_get(); + break; + case PIPE_QUERY_SO_STATISTICS: + sq->so.num_primitives_written = 0; + sq->so.primitives_storage_needed = 0; + break; + case PIPE_QUERY_GPU_FINISHED: + break; + case PIPE_QUERY_TIMESTAMP_DISJOINT: + default: + assert(0); + break; + } + 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--; + switch (sq->type) { + case PIPE_QUERY_OCCLUSION_COUNTER: + sq->end = softpipe->occlusion_count; + break; + case PIPE_QUERY_TIME_ELAPSED: + sq->end = 1000*os_time_get(); + break; + case PIPE_QUERY_SO_STATISTICS: + sq->so.num_primitives_written = + softpipe->so_stats.num_primitives_written; + sq->so.primitives_storage_needed = + softpipe->so_stats.primitives_storage_needed; + break; + case PIPE_QUERY_GPU_FINISHED: + case PIPE_QUERY_TIMESTAMP_DISJOINT: + break; + default: + assert(0); + break; + } + softpipe->dirty |= SP_NEW_QUERY; +} + + +static boolean +softpipe_get_query_result(struct pipe_context *pipe, + struct pipe_query *q, + boolean wait, + void *vresult) +{ + struct softpipe_query *sq = softpipe_query(q); + uint64_t *result = (uint64_t*)vresult; + + switch (sq->type) { + case PIPE_QUERY_SO_STATISTICS: + memcpy(vresult, &sq->so, + sizeof(struct pipe_query_data_so_statistics)); + break; + case PIPE_QUERY_GPU_FINISHED: + *result = TRUE; + break; + case PIPE_QUERY_TIMESTAMP_DISJOINT: { + struct pipe_query_data_timestamp_disjoint td; + /*os_get_time is in microseconds*/ + td.frequency = 1000000; + td.disjoint = FALSE; + memcpy(vresult, &sq->so, + sizeof(struct pipe_query_data_timestamp_disjoint)); + } + break; + default: + *result = sq->end - sq->start; + break; + } + return TRUE; +} + + +/** + * Called by rendering function to check rendering is conditional. + * \return TRUE if we should render, FALSE if we should skip rendering + */ +boolean +softpipe_check_render_cond(struct softpipe_context *sp) +{ + struct pipe_context *pipe = &sp->pipe; + boolean b, wait; + uint64_t result; + + if (!sp->render_cond_query) { + return TRUE; /* no query predicate, draw normally */ + } + + wait = (sp->render_cond_mode == PIPE_RENDER_COND_WAIT || + sp->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT); + + b = pipe->get_query_result(pipe, sp->render_cond_query, wait, &result); + if (b) + return result > 0; + else + 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; +} + + |