/* * 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_winsys.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; struct r300_query *q; if (query_type != PIPE_QUERY_OCCLUSION_COUNTER) { return NULL; } q = CALLOC_STRUCT(r300_query); if (!q) return NULL; q->type = query_type; q->domain = R300_DOMAIN_GTT; q->buffer_size = 4096; if (r300screen->caps.family == CHIP_FAMILY_RV530) q->num_pipes = r300screen->caps.num_z_pipes; else q->num_pipes = r300screen->caps.num_frag_pipes; insert_at_tail(&r300->query_list, q); /* Open up the occlusion query buffer. */ q->buffer = r300->rws->buffer_create(r300->rws, q->buffer_size, 4096, PIPE_BIND_CUSTOM, PIPE_USAGE_STREAM, q->domain); return (struct pipe_query*)q; } static void r300_destroy_query(struct pipe_context* pipe, struct pipe_query* query) { struct r300_context *r300 = r300_context(pipe); struct r300_query* q = r300_query(query); r300->rws->buffer_reference(r300->rws, &q->buffer, NULL); remove_from_list(q); FREE(query); } void r300_resume_query(struct r300_context *r300, struct r300_query *query) { r300->query_current = query; r300->query_start.dirty = TRUE; } static void r300_begin_query(struct pipe_context* pipe, struct pipe_query* query) { struct r300_context* r300 = r300_context(pipe); struct r300_query* q = r300_query(query); if (r300->query_current != NULL) { fprintf(stderr, "r300: begin_query: " "Some other query has already been started.\n"); assert(0); return; } q->num_results = 0; r300_resume_query(r300, q); } void r300_stop_query(struct r300_context *r300) { r300_emit_query_end(r300); r300->query_current = NULL; } static void r300_end_query(struct pipe_context* pipe, struct pipe_query* query) { struct r300_context* r300 = r300_context(pipe); struct r300_query *q = r300_query(query); if (q != r300->query_current) { fprintf(stderr, "r300: end_query: Got invalid query.\n"); assert(0); return; } r300_stop_query(r300); } static boolean r300_get_query_result(struct pipe_context* pipe, struct pipe_query* query, boolean wait, void* vresult) { struct r300_context* r300 = r300_context(pipe); struct r300_query *q = r300_query(query); unsigned flags, i; uint32_t temp, *map; uint64_t *result = (uint64_t*)vresult; if (!q->flushed) pipe->flush(pipe, 0, NULL); flags = PIPE_TRANSFER_READ | (!wait ? PIPE_TRANSFER_DONTBLOCK : 0); map = r300->rws->buffer_map(r300->rws, q->buffer, r300->cs, flags); if (!map) return FALSE; /* Sum up the results. */ temp = 0; for (i = 0; i < q->num_results; i++) { temp += *map; map++; } r300->rws->buffer_unmap(r300->rws, q->buffer); *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 = 0; 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; } else { r300->skip_rendering = result == 0; } } else { r300->skip_rendering = FALSE; } } /*************************************************************************** * Fake occlusion queries (for debugging) ***************************************************************************/ static unsigned r300_fake_query; static struct pipe_query *r300_fake_create_query(struct pipe_context *pipe, unsigned query_type) { return (struct pipe_query*)&r300_fake_query; } static void r300_fake_destroy_query(struct pipe_context* pipe, struct pipe_query* query) { } static void r300_fake_begin_query(struct pipe_context* pipe, struct pipe_query* query) { } static void r300_fake_end_query(struct pipe_context* pipe, struct pipe_query* query) { } static boolean r300_fake_get_query_result(struct pipe_context* pipe, struct pipe_query* query, boolean wait, void* vresult) { uint64_t *result = (uint64_t*)vresult; *result = 1000000; return TRUE; } static void r300_fake_render_condition(struct pipe_context *pipe, struct pipe_query *query, uint mode) { } void r300_init_query_functions(struct r300_context* r300) { if (DBG_ON(r300, DBG_FAKE_OCC)) { r300->context.create_query = r300_fake_create_query; r300->context.destroy_query = r300_fake_destroy_query; r300->context.begin_query = r300_fake_begin_query; r300->context.end_query = r300_fake_end_query; r300->context.get_query_result = r300_fake_get_query_result; r300->context.render_condition = r300_fake_render_condition; } else { 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; } }