2 // Copyright 2012 Francisco Jerez
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, sublicense,
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:
11 // The above copyright notice and this permission notice shall be included in
12 // all copies or substantial portions of the Software.
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 // OTHER DEALINGS IN THE SOFTWARE.
23 #ifndef CLOVER_CORE_RESOURCE_HPP
24 #define CLOVER_CORE_RESOURCE_HPP
28 #include "core/memory.hpp"
29 #include "util/algebra.hpp"
30 #include "pipe/p_state.h"
36 /// Class that represents a device-specific instance of some memory
41 typedef std::array<size_t, 3> vector;
45 resource(const resource &r) = delete;
47 operator=(const resource &r) = delete;
49 void copy(command_queue &q, const vector &origin, const vector ®ion,
50 resource &src_resource, const vector &src_origin);
52 void *add_map(command_queue &q, cl_map_flags flags, bool blocking,
53 const vector &origin, const vector ®ion);
54 void del_map(void *p);
55 unsigned map_count() const;
60 friend class sub_resource;
65 resource(device &dev, memory_obj &obj);
67 pipe_sampler_view *bind_sampler_view(command_queue &q);
68 void unbind_sampler_view(command_queue &q,
69 pipe_sampler_view *st);
71 pipe_surface *bind_surface(command_queue &q, bool rw);
72 void unbind_surface(command_queue &q, pipe_surface *st);
78 std::list<mapping> maps;
82 /// Resource associated with its own top-level data storage
83 /// allocated in some device.
85 class root_resource : public resource {
87 root_resource(device &dev, memory_obj &obj,
88 command_queue &q, const std::string &data);
89 root_resource(device &dev, memory_obj &obj, root_resource &r);
90 virtual ~root_resource();
94 /// Resource that reuses a portion of some other resource as data
97 class sub_resource : public resource {
99 sub_resource(resource &r, const vector &offset);
103 /// Class that represents a mapping of some resource into the CPU
108 mapping(command_queue &q, resource &r, cl_map_flags flags,
109 bool blocking, const resource::vector &origin,
110 const resource::vector ®ion);
111 mapping(mapping &&m);
115 operator=(mapping m);
117 mapping(const mapping &m) = delete;
120 operator T *() const {
126 pipe_transfer *pxfer;