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
|
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include <GLES/gl.h>
#include <GLES/egl.h>
#include <dlfcn.h>
#if defined(__OpenBSD__) && !defined(__ELF__)
#define dlsym(x,y) dlsym(x, "_" y)
#endif
#include "../SDL_sysvideo.h"
typedef struct SDL_PrivateGLESData
{
int egl_active; /* to stop switching drivers while we have a valid context */
XVisualInfo *egl_visualinfo;
EGLDisplay egl_display;
EGLContext egl_context; /* Current GLES context */
EGLSurface egl_surface;
EGLConfig egl_config;
EGLDisplay(*eglGetDisplay) (NativeDisplayType display);
EGLBoolean(*eglInitialize) (EGLDisplay dpy, EGLint * major,
EGLint * minor);
EGLBoolean(*eglTerminate) (EGLDisplay dpy);
void *(*eglGetProcAddress) (const GLubyte * procName);
EGLBoolean(*eglChooseConfig) (EGLDisplay dpy,
const EGLint * attrib_list,
EGLConfig * configs,
EGLint config_size, EGLint * num_config);
EGLContext(*eglCreateContext) (EGLDisplay dpy,
EGLConfig config,
EGLContext share_list,
const EGLint * attrib_list);
EGLBoolean(*eglDestroyContext) (EGLDisplay dpy, EGLContext ctx);
EGLSurface(*eglCreateWindowSurface) (EGLDisplay dpy,
EGLConfig config,
NativeWindowType window,
const EGLint * attrib_list);
EGLBoolean(*eglDestroySurface) (EGLDisplay dpy, EGLSurface surface);
EGLBoolean(*eglMakeCurrent) (EGLDisplay dpy, EGLSurface draw,
EGLSurface read, EGLContext ctx);
EGLBoolean(*eglSwapBuffers) (EGLDisplay dpy, EGLSurface draw);
const char *(*eglQueryString) (EGLDisplay dpy, EGLint name);
EGLBoolean(*eglGetConfigAttrib) (EGLDisplay dpy, EGLConfig config,
EGLint attribute, EGLint * value);
} SDL_PrivateGLESData;
/* OpenGLES functions */
extern SDL_GLContext X11_GLES_CreateContext(_THIS, SDL_Window * window);
extern XVisualInfo *X11_GLES_GetVisual(_THIS, Display * display, int screen);
extern int X11_GLES_MakeCurrent(_THIS, SDL_Window * window,
SDL_GLContext context);
extern int X11_GLES_GetAttribute(_THIS, SDL_GLattr attrib, int *value);
extern int X11_GLES_LoadLibrary(_THIS, const char *path);
extern void *X11_GLES_GetProcAddress(_THIS, const char *proc);
extern void X11_GLES_UnloadLibrary(_THIS);
extern int X11_GLES_SetSwapInterval(_THIS, int interval);
extern int X11_GLES_GetSwapInterval(_THIS);
extern void X11_GLES_SwapWindow(_THIS, SDL_Window * window);
extern void X11_GLES_DeleteContext(_THIS, SDL_GLContext context);
|