eglcontext.h revision 4a49301e 
1
2#ifndef EGLCONTEXT_INCLUDED
3#define EGLCONTEXT_INCLUDED
4
5
6#include "egltypedefs.h"
7
8
9/**
10 * "Base" class for device driver contexts.
11 */
12struct _egl_context
13{
14   /* Managed by EGLDisplay for linking */
15   _EGLDisplay *Display;
16   _EGLContext *Next;
17
18   /* The bound status of the context */
19   _EGLThreadInfo *Binding;
20   _EGLSurface *DrawSurface;
21   _EGLSurface *ReadSurface;
22
23   _EGLConfig *Config;
24
25   EGLint ClientAPI; /**< EGL_OPENGL_ES_API, EGL_OPENGL_API, EGL_OPENVG_API */
26   EGLint ClientVersion; /**< 1 = OpenGLES 1.x, 2 = OpenGLES 2.x */
27
28   /* The real render buffer when a window surface is bound */
29   EGLint WindowRenderBuffer;
30};
31
32
33extern EGLBoolean
34_eglInitContext(_EGLDriver *drv, _EGLContext *ctx,
35                _EGLConfig *config, const EGLint *attrib_list);
36
37
38extern _EGLContext *
39_eglCreateContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, _EGLContext *share_list, const EGLint *attrib_list);
40
41
42extern EGLBoolean
43_eglDestroyContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx);
44
45
46extern EGLBoolean
47_eglQueryContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx, EGLint attribute, EGLint *value);
48
49
50extern EGLBoolean
51_eglMakeCurrent(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *draw, _EGLSurface *read, _EGLContext *ctx);
52
53
54extern EGLBoolean
55_eglCopyContextMESA(_EGLDriver *drv, EGLDisplay dpy, EGLContext source, EGLContext dest, EGLint mask);
56
57
58/**
59 * Return true if the context is bound to a thread.
60 */
61static INLINE EGLBoolean
62_eglIsContextBound(_EGLContext *ctx)
63{
64   return (ctx->Binding != NULL);
65}
66
67
68#endif /* EGLCONTEXT_INCLUDED */
69