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_matrix_state.h
27 #ifndef VOGL_MATRIX_STATE_H
28 #define VOGL_MATRIX_STATE_H
30 #include "vogl_core.h"
31 #include "vogl_matrix.h"
32 #include "vogl_context_info.h"
33 #include "vogl_general_context_state.h"
34 #include "vogl_blob_manager.h"
36 class vogl_matrix_state
42 bool snapshot(const vogl_context_info &context_info);
44 bool restore(const vogl_context_info &context_info) const;
53 bool serialize(json_node &node, vogl_blob_manager &blob_manager) const;
54 bool deserialize(const json_node &node, const vogl_blob_manager &blob_manager);
56 uint get_matrix_stack_depth(GLenum target, uint index) const;
58 const matrix44D *get_matrix(GLenum target, uint index, uint depth) const;
61 typedef vogl::vector<matrix44D> matrix_vec;
66 matrix_key(GLenum target = GL_NONE, uint index = 0)
73 bool operator==(const matrix_key &other) const
77 return (m_target == other.m_target) && (m_index == other.m_index);
80 bool operator<(const matrix_key &other) const
84 if (m_target < other.m_target)
86 if (m_target == other.m_target)
87 return m_index < other.m_index;
95 typedef vogl::map<matrix_key, matrix_vec> matrix_map;
96 matrix_map m_matrices;
100 bool restore_matrix_stack(const vogl_context_info &context_info, GLenum matrix, uint index) const;
101 bool save_matrix_stack(const vogl_context_info &context_info, GLenum matrix, uint index, GLenum depth_get, GLenum matrix_get);
104 #endif // VOGL_MATRIX_STATE_H