1/* 2 * Copyright (c) 2017-2019 Lima Project 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sub license, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the 12 * next paragraph) shall be included in all copies or substantial portions 13 * of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 * 23 */ 24 25/** 26 * Stub support for occlusion queries. 27 * 28 * Since we expose support for GL 2.0, we have to expose occlusion queries, 29 * but the spec allows you to expose 0 query counter bits, so we just return 0 30 * as the result of all our queries. 31 */ 32 33#include "util/u_debug.h" 34 35#include "lima_context.h" 36 37struct lima_query 38{ 39 uint8_t pad; 40}; 41 42static struct pipe_query * 43lima_create_query(struct pipe_context *ctx, unsigned query_type, unsigned index) 44{ 45 struct lima_query *query = calloc(1, sizeof(*query)); 46 47 /* Note that struct pipe_query isn't actually defined anywhere. */ 48 return (struct pipe_query *)query; 49} 50 51static void 52lima_destroy_query(struct pipe_context *ctx, struct pipe_query *query) 53{ 54 free(query); 55} 56 57static bool 58lima_begin_query(struct pipe_context *ctx, struct pipe_query *query) 59{ 60 return true; 61} 62 63static bool 64lima_end_query(struct pipe_context *ctx, struct pipe_query *query) 65{ 66 return true; 67} 68 69static bool 70lima_get_query_result(struct pipe_context *ctx, struct pipe_query *query, 71 bool wait, union pipe_query_result *vresult) 72{ 73 uint64_t *result = &vresult->u64; 74 75 *result = 0; 76 77 return true; 78} 79 80static void 81lima_set_active_query_state(struct pipe_context *pipe, bool enable) 82{ 83 84} 85 86void 87lima_query_init(struct lima_context *pctx) 88{ 89 pctx->base.create_query = lima_create_query; 90 pctx->base.destroy_query = lima_destroy_query; 91 pctx->base.begin_query = lima_begin_query; 92 pctx->base.end_query = lima_end_query; 93 pctx->base.get_query_result = lima_get_query_result; 94 pctx->base.set_active_query_state = lima_set_active_query_state; 95} 96 97