1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2014 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup GHOST
*/
#ifndef __GHOST_CONTEXTSDL_H__
#define __GHOST_CONTEXTSDL_H__
#include "GHOST_Context.h"
extern "C" {
#include "SDL.h"
}
#ifndef GHOST_OPENGL_SDL_CONTEXT_FLAGS
# ifdef WITH_GPU_DEBUG
# define GHOST_OPENGL_SDL_CONTEXT_FLAGS SDL_GL_CONTEXT_DEBUG_FLAG
# else
# define GHOST_OPENGL_SDL_CONTEXT_FLAGS 0
# endif
#endif
#ifndef GHOST_OPENGL_SDL_RESET_NOTIFICATION_STRATEGY
# define GHOST_OPENGL_SDL_RESET_NOTIFICATION_STRATEGY 0
#endif
class GHOST_ContextSDL : public GHOST_Context {
public:
/**
* Constructor.
*/
GHOST_ContextSDL(bool stereoVisual,
SDL_Window *window,
int contextProfileMask,
int contextMajorVersion,
int contextMinorVersion,
int contextFlags,
int contextResetNotificationStrategy);
/**
* Destructor.
*/
~GHOST_ContextSDL();
/**
* Swaps front and back buffers of a window.
* \return A boolean success indicator.
*/
GHOST_TSuccess swapBuffers();
/**
* Activates the drawing context of this window.
* \return A boolean success indicator.
*/
GHOST_TSuccess activateDrawingContext();
/**
* Release the drawing context of the calling thread.
* \return A boolean success indicator.
*/
GHOST_TSuccess releaseDrawingContext();
/**
* Call immediately after new to initialize. If this fails then immediately delete the object.
* \return Indication as to whether initialization has succeeded.
*/
GHOST_TSuccess initializeDrawingContext();
/**
* Removes references to native handles from this context and then returns
* \return GHOST_kSuccess if it is OK for the parent to release the handles and
* GHOST_kFailure if releasing the handles will interfere with sharing
*/
GHOST_TSuccess releaseNativeHandles();
/**
* Sets the swap interval for swapBuffers.
* \param interval The swap interval to use.
* \return A boolean success indicator.
*/
GHOST_TSuccess setSwapInterval(int interval);
/**
* Gets the current swap interval for swapBuffers.
* \param intervalOut Variable to store the swap interval if it can be read.
* \return Whether the swap interval can be read.
*/
GHOST_TSuccess getSwapInterval(int &intervalOut);
private:
SDL_Window *m_window;
SDL_Window *m_hidden_window;
const int m_contextProfileMask;
const int m_contextMajorVersion;
const int m_contextMinorVersion;
const int m_contextFlags;
const int m_contextResetNotificationStrategy;
SDL_GLContext m_context; /* m_sdl_glcontext */
/** The first created OpenGL context (for sharing display lists) */
static SDL_GLContext s_sharedContext;
static int s_sharedCount;
};
#endif // __GHOST_CONTEXTSDL_H__
|
