1 /**************************************************************************
3 * Copyright 2013-2014 RAD Game Tools and Valve Software
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 **************************************************************************/
26 // File: vogl_query_state.h
27 #ifndef VOGL_QUERY_STATE_H
28 #define VOGL_QUERY_STATE_H
30 #include "vogl_dynamic_string.h"
31 #include "vogl_json.h"
34 #include "vogl_common.h"
35 #include "vogl_general_context_state.h"
36 #include "vogl_blob_manager.h"
38 class vogl_query_state : public vogl_gl_object_state
42 virtual ~vogl_query_state();
44 virtual vogl_gl_object_state_type get_type() const
48 virtual vogl_namespace_t get_handle_namespace() const
50 return VOGL_NAMESPACE_QUERIES;
53 // Target must be supplied by the caller, we can't determine it via normal GL calls.
54 virtual bool snapshot(const vogl_context_info &context_info, vogl_handle_remapper &remapper, GLuint64 handle, GLenum target);
56 // restore() tries to restore the previously bound query on target, but it must begin/end it to do so.
57 virtual bool restore(const vogl_context_info &context_info, vogl_handle_remapper &remapper, GLuint64 &handle) const;
59 virtual bool remap_handles(vogl_handle_remapper &remapper);
63 virtual bool serialize(json_node &node, vogl_blob_manager &blob_manager) const;
64 virtual bool deserialize(const json_node &node, const vogl_blob_manager &blob_manager);
66 virtual GLuint64 get_snapshot_handle() const
68 return m_snapshot_handle;
71 virtual bool compare_restorable_state(const vogl_gl_object_state &rhs) const;
73 GLenum get_target() const
78 int64_t get_prev_result() const
83 virtual bool is_valid() const
89 GLuint m_snapshot_handle;
93 int64_t m_prev_result;
94 GLenum m_get_result_status;
96 bool m_has_been_begun;
103 VOGL_DEFINE_BITWISE_MOVABLE(vogl_query_state);
106 #endif // VOGL_QUERY_STATE_H