/* * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com> * * 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_simple_list.h" #include "r300_context.h" #include "r300_screen.h" #include "r300_emit.h" #include "r300_query.h" #include <stdio.h> static struct pipe_query *r300_create_query(struct pipe_context *pipe, unsigned query_type) { struct r300_context *r300 = r300_context(pipe); struct r300_screen *r300screen = r300->screen; unsigned query_size; struct r300_query *q, *qptr; q = CALLOC_STRUCT(r300_query); q->type = query_type; assert(q->type == PIPE_QUERY_OCCLUSION_COUNTER); q->active = FALSE; if (r300screen->caps.family == CHIP_FAMILY_RV530) query_size = r300screen->caps.num_z_pipes * sizeof(uint32_t); else query_size = r300screen->caps.num_frag_pipes * sizeof(uint32_t); if (!is_empty_list(&r300->query_list)) { qptr = last_elem(&r300->query_list); q->offset = qptr->offset + query_size; } insert_at_tail(&r300->query_list, q); /* XXX */ if (q->offset >= 4096) { q->offset = 0; } return (struct pipe_query*)q; } static void r300_destroy_query(struct pipe_context* pipe, struct pipe_query* query) { struct r300_query* q = (struct r300_query*)query; remove_from_list(q); FREE(query); } static void r300_begin_query(struct pipe_context* pipe, struct pipe_query* query) { uint32_t value = ~0U; struct r300_context* r300 = r300_context(pipe); struct r300_query* q = (struct r300_query*)query; assert(r300->query_current == NULL); pipe_buffer_write(pipe, r300->oqbo, q->offset, sizeof value, &value); q->flushed = FALSE; r300->query_current = q; r300->query_start.dirty = TRUE; } static void r300_end_query(struct pipe_context* pipe, struct pipe_query* query) { struct r300_context* r300 = r300_context(pipe); struct r300_query* q = (struct r300_query*)query; r300_emit_query_end(r300); q->begin_emitted = false; r300->query_current = NULL; } static boolean r300_get_query_result(struct pipe_context* pipe, struct pipe_query* query, boolean wait, uint64_t* result) { struct r300_context* r300 = r300_context(pipe); struct r300_screen* r300screen = r300->screen; struct r300_query *q = (struct r300_query*)query; struct pipe_transfer *transfer; unsigned flags = PIPE_TRANSFER_READ; uint32_t* map; uint32_t temp = 0; unsigned i, num_results; if (q->flushed == FALSE) pipe->flush(pipe, 0, NULL); if (!wait) { flags |= PIPE_TRANSFER_DONTBLOCK; } map = pipe_buffer_map(pipe, r300->oqbo, flags, &transfer); if (!map) return FALSE; map += q->offset / 4; if (r300screen->caps.family == CHIP_FAMILY_RV530) num_results = r300screen->caps.num_z_pipes; else num_results = r300screen->caps.num_frag_pipes; for (i = 0; i < num_results; i++) { if (*map == ~0U) { /* Looks like our results aren't ready yet. */ if (wait) { fprintf(stderr, "r300: Despite waiting, OQ results haven't " "come in yet.\n"); } temp = ~0U; break; } temp += *map; map++; } pipe_buffer_unmap(pipe, r300->oqbo, transfer); if (temp == ~0U) { /* Our results haven't been written yet... */ return FALSE; } *result = temp; return TRUE; } static void r300_render_condition(struct pipe_context *pipe, struct pipe_query *query, uint mode) { struct r300_context *r300 = r300_context(pipe); uint64_t result; boolean wait; if (query) { wait = mode == PIPE_RENDER_COND_WAIT || mode == PIPE_RENDER_COND_BY_REGION_WAIT; if (!r300_get_query_result(pipe, query, wait, &result)) { r300->skip_rendering = FALSE; } r300->skip_rendering = result == 0; } else { r300->skip_rendering = FALSE; } } void r300_init_query_functions(struct r300_context* r300) { r300->context.create_query = r300_create_query; r300->context.destroy_query = r300_destroy_query; r300->context.begin_query = r300_begin_query; r300->context.end_query = r300_end_query; r300->context.get_query_result = r300_get_query_result; r300->context.render_condition = r300_render_condition; }