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#ifndef EGLSURFACE_INCLUDED
#define EGLSURFACE_INCLUDED
#include "egltypedefs.h"
#include "egldisplay.h"
/**
* "Base" class for device driver surfaces.
*/
struct _egl_surface
{
/* A surface is a display resource */
_EGLResource Resource;
/* The context that is currently bound to the surface */
_EGLContext *CurrentContext;
_EGLConfig *Config;
EGLint Type; /* one of EGL_WINDOW_BIT, EGL_PIXMAP_BIT or EGL_PBUFFER_BIT */
EGLint Width, Height;
EGLint TextureFormat, TextureTarget;
EGLint MipmapTexture, MipmapLevel;
EGLint SwapInterval;
/* True if the surface is bound to an OpenGL ES texture */
EGLBoolean BoundToTexture;
/* If type == EGL_SCREEN_BIT: */
EGLint VisibleRefCount; /* number of screens I'm displayed on */
#ifdef EGL_VERSION_1_2
EGLint SwapBehavior; /* one of EGL_BUFFER_PRESERVED/DESTROYED */
EGLint HorizontalResolution, VerticalResolution;
EGLint AspectRatio;
EGLint RenderBuffer; /* EGL_BACK_BUFFER or EGL_SINGLE_BUFFER */
EGLint AlphaFormat; /* EGL_ALPHA_FORMAT_NONPRE or EGL_ALPHA_FORMAT_PRE */
EGLint Colorspace; /* EGL_COLORSPACE_sRGB or EGL_COLORSPACE_LINEAR */
#endif /* EGL_VERSION_1_2 */
};
PUBLIC EGLBoolean
_eglInitSurface(_EGLDriver *drv, _EGLSurface *surf, EGLint type,
_EGLConfig *config, const EGLint *attrib_list);
extern EGLBoolean
_eglSwapBuffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf);
extern EGLBoolean
_eglCopyBuffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLNativePixmapType target);
extern EGLBoolean
_eglQuerySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint attribute, EGLint *value);
extern _EGLSurface *
_eglCreateWindowSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, EGLNativeWindowType window, const EGLint *attrib_list);
extern _EGLSurface *
_eglCreatePixmapSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, EGLNativePixmapType pixmap, const EGLint *attrib_list);
extern _EGLSurface *
_eglCreatePbufferSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, const EGLint *attrib_list);
extern EGLBoolean
_eglDestroySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf);
extern EGLBoolean
_eglSurfaceAttrib(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint attribute, EGLint value);
extern EGLBoolean
_eglBindTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint buffer);
extern EGLBoolean
_eglReleaseTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint buffer);
extern EGLBoolean
_eglSwapInterval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint interval);
#ifdef EGL_VERSION_1_2
extern _EGLSurface *
_eglCreatePbufferFromClientBuffer(_EGLDriver *drv, _EGLDisplay *dpy,
EGLenum buftype, EGLClientBuffer buffer,
_EGLConfig *conf, const EGLint *attrib_list);
#endif /* EGL_VERSION_1_2 */
/**
* Return true if there is a context bound to the surface.
*/
static INLINE EGLBoolean
_eglIsSurfaceBound(_EGLSurface *surf)
{
return (surf->CurrentContext != NULL);
}
/**
* Link a surface to a display and return the handle of the link.
* The handle can be passed to client directly.
*/
static INLINE EGLSurface
_eglLinkSurface(_EGLSurface *surf, _EGLDisplay *dpy)
{
_eglLinkResource(&surf->Resource, _EGL_RESOURCE_SURFACE, dpy);
return (EGLSurface) surf;
}
/**
* Unlink a linked surface from its display.
* Accessing an unlinked surface should generate EGL_BAD_SURFACE error.
*/
static INLINE void
_eglUnlinkSurface(_EGLSurface *surf)
{
_eglUnlinkResource(&surf->Resource, _EGL_RESOURCE_SURFACE);
}
/**
* Lookup a handle to find the linked surface.
* Return NULL if the handle has no corresponding linked surface.
*/
static INLINE _EGLSurface *
_eglLookupSurface(EGLSurface surface, _EGLDisplay *dpy)
{
_EGLSurface *surf = (_EGLSurface *) surface;
if (!dpy || !_eglCheckResource((void *) surf, _EGL_RESOURCE_SURFACE, dpy))
surf = NULL;
return surf;
}
/**
* Return the handle of a linked surface, or EGL_NO_SURFACE.
*/
static INLINE EGLSurface
_eglGetSurfaceHandle(_EGLSurface *surf)
{
_EGLResource *res = (_EGLResource *) surf;
return (res && _eglIsResourceLinked(res)) ?
(EGLSurface) surf : EGL_NO_SURFACE;
}
/**
* Return true if the surface is linked to a display.
*/
static INLINE EGLBoolean
_eglIsSurfaceLinked(_EGLSurface *surf)
{
_EGLResource *res = (_EGLResource *) surf;
return (res && _eglIsResourceLinked(res));
}
#endif /* EGLSURFACE_INCLUDED */
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