eglsurface.h revision 4a49301e 
1#ifndef EGLSURFACE_INCLUDED
2#define EGLSURFACE_INCLUDED
3
4
5#include "egltypedefs.h"
6
7
8/**
9 * "Base" class for device driver surfaces.
10 */
11struct _egl_surface
12{
13   /* Managed by EGLDisplay for linking */
14   _EGLDisplay *Display;
15   _EGLSurface *Next;
16
17   /* The bound status of the surface */
18   _EGLContext *Binding;
19   EGLBoolean BoundToTexture;
20
21   _EGLConfig *Config;
22
23   EGLint Type; /* one of EGL_WINDOW_BIT, EGL_PIXMAP_BIT or EGL_PBUFFER_BIT */
24   EGLint Width, Height;
25   EGLint TextureFormat, TextureTarget;
26   EGLint MipmapTexture, MipmapLevel;
27   EGLint SwapInterval;
28
29   /* If type == EGL_SCREEN_BIT: */
30   EGLint VisibleRefCount; /* number of screens I'm displayed on */
31
32#ifdef EGL_VERSION_1_2
33   EGLint SwapBehavior; /* one of EGL_BUFFER_PRESERVED/DESTROYED */
34   EGLint HorizontalResolution, VerticalResolution;
35   EGLint AspectRatio;
36   EGLint RenderBuffer; /* EGL_BACK_BUFFER or EGL_SINGLE_BUFFER */
37   EGLint AlphaFormat; /* EGL_ALPHA_FORMAT_NONPRE or EGL_ALPHA_FORMAT_PRE */
38   EGLint Colorspace; /* EGL_COLORSPACE_sRGB or EGL_COLORSPACE_LINEAR */
39#endif /* EGL_VERSION_1_2 */
40};
41
42
43extern EGLBoolean
44_eglInitSurface(_EGLDriver *drv, _EGLSurface *surf, EGLint type,
45                _EGLConfig *config, const EGLint *attrib_list);
46
47
48extern EGLBoolean
49_eglSwapBuffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf);
50
51
52extern EGLBoolean
53_eglCopyBuffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, NativePixmapType target);
54
55
56extern EGLBoolean
57_eglQuerySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint attribute, EGLint *value);
58
59
60extern _EGLSurface *
61_eglCreateWindowSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, NativeWindowType window, const EGLint *attrib_list);
62
63
64extern _EGLSurface *
65_eglCreatePixmapSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, NativePixmapType pixmap, const EGLint *attrib_list);
66
67
68extern _EGLSurface *
69_eglCreatePbufferSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, const EGLint *attrib_list);
70
71
72extern EGLBoolean
73_eglDestroySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf);
74
75
76extern EGLBoolean
77_eglSurfaceAttrib(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint attribute, EGLint value);
78
79
80extern EGLBoolean
81_eglBindTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint buffer);
82
83
84extern EGLBoolean
85_eglReleaseTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint buffer);
86
87
88extern EGLBoolean
89_eglSwapInterval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint interval);
90
91
92#ifdef EGL_VERSION_1_2
93
94extern _EGLSurface *
95_eglCreatePbufferFromClientBuffer(_EGLDriver *drv, _EGLDisplay *dpy,
96                                  EGLenum buftype, EGLClientBuffer buffer,
97                                  _EGLConfig *conf, const EGLint *attrib_list);
98
99#endif /* EGL_VERSION_1_2 */
100
101
102/**
103 * Return true if the surface is bound to a thread.
104 * A surface bound to a texutre is not considered bound by
105 * this function.
106 */
107static INLINE EGLBoolean
108_eglIsSurfaceBound(_EGLSurface *surf)
109{
110   return (surf->Binding != NULL);
111}
112
113
114#endif /* EGLSURFACE_INCLUDED */
115