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_renderbuffer.h
27 #ifndef VOGL_RENDERBUFFER_H
28 #define VOGL_RENDERBUFFER_H
30 #include "vogl_context_info.h"
31 #include "vogl_general_context_state.h"
32 #include "vogl_texture_state.h"
34 class vogl_renderbuffer_desc
36 friend class vogl_renderbuffer_state;
39 vogl_renderbuffer_desc();
40 ~vogl_renderbuffer_desc();
44 // Snapshots the currently bound renderbuffer.
45 bool snapshot(const vogl_context_info &context_info);
47 // Restores the snapshot to the currently bound renderbuffer.
48 bool restore(const vogl_context_info &context_info) const;
50 bool serialize(json_node &node) const;
52 bool deserialize(const json_node &node);
54 bool operator==(const vogl_renderbuffer_desc &rhs) const;
56 bool get_int(GLenum enum_val, int *pVals, uint n = 1) const;
58 int get_int_or_default(GLenum enum_val, int def = 0) const
61 if (!get_int(enum_val, &result, 1))
70 GLenum m_internal_format;
79 class vogl_renderbuffer_state : public vogl_gl_object_state
82 vogl_renderbuffer_state();
83 virtual ~vogl_renderbuffer_state();
85 virtual vogl_gl_object_state_type get_type() const
87 return cGLSTRenderbuffer;
89 virtual vogl_namespace_t get_handle_namespace() const
91 return VOGL_NAMESPACE_RENDER_BUFFERS;
94 virtual bool snapshot(const vogl_context_info &context_info, vogl_handle_remapper &remapper, GLuint64 handle, GLenum target);
96 virtual bool restore(const vogl_context_info &context_info, vogl_handle_remapper &remapper, GLuint64 &handle) const;
98 virtual bool remap_handles(vogl_handle_remapper &remapper);
100 virtual void clear();
102 virtual bool serialize(json_node &node, vogl_blob_manager &blob_manager) const;
103 virtual bool deserialize(const json_node &node, const vogl_blob_manager &blob_manager);
105 virtual GLuint64 get_snapshot_handle() const
107 return m_snapshot_handle;
110 const vogl_renderbuffer_desc &get_desc() const
115 virtual bool is_valid() const
120 virtual bool compare_restorable_state(const vogl_gl_object_state &rhs_obj) const;
122 const vogl_texture_state &get_texture() const { return m_texture; }
123 vogl_texture_state &get_texture() { return m_texture; }
126 GLuint m_snapshot_handle;
127 vogl_renderbuffer_desc m_desc;
128 vogl_texture_state m_texture;
135 VOGL_DEFINE_BITWISE_MOVABLE(vogl_renderbuffer_desc);
136 VOGL_DEFINE_BITWISE_MOVABLE(vogl_renderbuffer_state);
139 #endif // VOGL_RENDERBUFFER_H