/* * Copyright © 2014 Broadcom * * 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 (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 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. */ /** * Stub support for occlusion queries. * * Since we expose support for GL 2.0, we have to expose occlusion queries, * but the spec allows you to expose 0 query counter bits, so we just return 0 * as the result of all our queries. */ #include "vc5_context.h" struct vc5_query { uint8_t pad; }; static struct pipe_query * vc5_create_query(struct pipe_context *ctx, unsigned query_type, unsigned index) { struct vc5_query *query = calloc(1, sizeof(*query)); /* Note that struct pipe_query isn't actually defined anywhere. */ return (struct pipe_query *)query; } static void vc5_destroy_query(struct pipe_context *ctx, struct pipe_query *query) { free(query); } static boolean vc5_begin_query(struct pipe_context *ctx, struct pipe_query *query) { return true; } static bool vc5_end_query(struct pipe_context *ctx, struct pipe_query *query) { return true; } static boolean vc5_get_query_result(struct pipe_context *ctx, struct pipe_query *query, boolean wait, union pipe_query_result *vresult) { uint64_t *result = &vresult->u64; *result = 0; return true; } static void vc5_set_active_query_state(struct pipe_context *pipe, boolean enable) { } void vc5_query_init(struct pipe_context *pctx) { pctx->create_query = vc5_create_query; pctx->destroy_query = vc5_destroy_query; pctx->begin_query = vc5_begin_query; pctx->end_query = vc5_end_query; pctx->get_query_result = vc5_get_query_result; pctx->set_active_query_state = vc5_set_active_query_state; }