Merge branch 'mesa_7_7_branch'

[mesa.git] / src / egl / main / eglsurface.h

diff --git a/src/egl/main/eglsurface.h b/src/egl/main/eglsurface.h
index f9413eb9d75a78687bd11fd1233c0dd5f4deca2f..4062b990fa45e7ed6659a5e405a513c01c20f74c 100644 (file)
--- a/src/egl/main/eglsurface.h
+++ b/src/egl/main/eglsurface.h
@@ -3,6 +3,7 @@
 
 
 #include "egltypedefs.h"
+#include "egldisplay.h"
 
 
 /**
@@ -10,17 +11,15 @@
  */
 struct _egl_surface
 {
-   /* Managed by EGLDisplay for linking */
-   _EGLDisplay *Display;
-   _EGLSurface *Next;
-   EGLSurface Handle;
+   /* A surface is a display resource */
+   _EGLResource Resource;
 
-   _EGLConfig *Config;
-
-   /* May need reference counting here */
-   EGLBoolean IsBound;
+   /* The bound status of the surface */
+   _EGLContext *Binding;
    EGLBoolean BoundToTexture;
 
+   _EGLConfig *Config;
+
    EGLint Type; /* one of EGL_WINDOW_BIT, EGL_PIXMAP_BIT or EGL_PBUFFER_BIT */
    EGLint Width, Height;
    EGLint TextureFormat, TextureTarget;
@@ -41,64 +40,135 @@ struct _egl_surface
 };
 
 
-extern EGLBoolean
+PUBLIC EGLBoolean
 _eglInitSurface(_EGLDriver *drv, _EGLSurface *surf, EGLint type,
                 _EGLConfig *config, const EGLint *attrib_list);
 
 
 extern EGLBoolean
-_eglSwapBuffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw);
+_eglSwapBuffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf);
 
 
 extern EGLBoolean
-_eglCopyBuffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, NativePixmapType target);
+_eglCopyBuffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLNativePixmapType target);
 
 
 extern EGLBoolean
-_eglQuerySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value);
+_eglQuerySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint attribute, EGLint *value);
 
 
-extern EGLSurface
-_eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list);
+extern _EGLSurface *
+_eglCreateWindowSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, EGLNativeWindowType window, const EGLint *attrib_list);
 
 
-extern EGLSurface
-_eglCreatePixmapSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, 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 config, 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 surface);
+_eglDestroySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf);
 
 
 extern EGLBoolean
-_eglSurfaceAttrib(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value);
+_eglSurfaceAttrib(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint attribute, EGLint value);
 
 
 extern EGLBoolean
-_eglBindTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+_eglBindTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint buffer);
 
 
 extern EGLBoolean
-_eglReleaseTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, EGLint buffer);
+_eglReleaseTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint buffer);
 
 
 extern EGLBoolean
-_eglSwapInterval(_EGLDriver *drv, EGLDisplay dpy, EGLint interval);
+_eglSwapInterval(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint interval);
 
 
 #ifdef EGL_VERSION_1_2
 
-extern EGLSurface
-_eglCreatePbufferFromClientBuffer(_EGLDriver *drv, EGLDisplay dpy,
+extern _EGLSurface *
+_eglCreatePbufferFromClientBuffer(_EGLDriver *drv, _EGLDisplay *dpy,
                                   EGLenum buftype, EGLClientBuffer buffer,
-                                  EGLConfig config, const EGLint *attrib_list);
+                                  _EGLConfig *conf, const EGLint *attrib_list);
 
 #endif /* EGL_VERSION_1_2 */
 
 
+/**
+ * Return true if the surface is bound to a thread.
+ * A surface bound to a texutre is not considered bound by
+ * this function.
+ */
+static INLINE EGLBoolean
+_eglIsSurfaceBound(_EGLSurface *surf)
+{
+   return (surf->Binding != 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 */