summaryrefslogtreecommitdiffstats
path: root/src/egl/main/eglcontext.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/egl/main/eglcontext.h')
-rw-r--r--src/egl/main/eglcontext.h70
1 files changed, 67 insertions, 3 deletions
diff --git a/src/egl/main/eglcontext.h b/src/egl/main/eglcontext.h
index cb9e3f4a892..4811e3bb7ad 100644
--- a/src/egl/main/eglcontext.h
+++ b/src/egl/main/eglcontext.h
@@ -4,6 +4,7 @@
#include "egltypedefs.h"
+#include "egldisplay.h"
/**
@@ -11,9 +12,8 @@
*/
struct _egl_context
{
- /* Managed by EGLDisplay for linking */
- _EGLDisplay *Display;
- _EGLContext *Next;
+ /* A context is a display resource */
+ _EGLResource Resource;
/* The bound status of the context */
_EGLThreadInfo *Binding;
@@ -48,6 +48,10 @@ _eglQueryContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx, EGLint att
PUBLIC EGLBoolean
+_eglBindContext(_EGLContext **ctx, _EGLSurface **draw, _EGLSurface **read);
+
+
+extern EGLBoolean
_eglMakeCurrent(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *draw, _EGLSurface *read, _EGLContext *ctx);
@@ -65,4 +69,64 @@ _eglIsContextBound(_EGLContext *ctx)
}
+/**
+ * Link a context to a display and return the handle of the link.
+ * The handle can be passed to client directly.
+ */
+static INLINE EGLContext
+_eglLinkContext(_EGLContext *ctx, _EGLDisplay *dpy)
+{
+ _eglLinkResource(&ctx->Resource, _EGL_RESOURCE_CONTEXT, dpy);
+ return (EGLContext) ctx;
+}
+
+
+/**
+ * Unlink a linked context from its display.
+ * Accessing an unlinked context should generate EGL_BAD_CONTEXT error.
+ */
+static INLINE void
+_eglUnlinkContext(_EGLContext *ctx)
+{
+ _eglUnlinkResource(&ctx->Resource, _EGL_RESOURCE_CONTEXT);
+}
+
+
+/**
+ * Lookup a handle to find the linked context.
+ * Return NULL if the handle has no corresponding linked context.
+ */
+static INLINE _EGLContext *
+_eglLookupContext(EGLContext context, _EGLDisplay *dpy)
+{
+ _EGLContext *ctx = (_EGLContext *) context;
+ if (!dpy || !_eglCheckResource((void *) ctx, _EGL_RESOURCE_CONTEXT, dpy))
+ ctx = NULL;
+ return ctx;
+}
+
+
+/**
+ * Return the handle of a linked context, or EGL_NO_CONTEXT.
+ */
+static INLINE EGLContext
+_eglGetContextHandle(_EGLContext *ctx)
+{
+ _EGLResource *res = (_EGLResource *) ctx;
+ return (res && _eglIsResourceLinked(res)) ?
+ (EGLContext) ctx : EGL_NO_CONTEXT;
+}
+
+
+/**
+ * Return true if the context is linked to a display.
+ */
+static INLINE EGLBoolean
+_eglIsContextLinked(_EGLContext *ctx)
+{
+ _EGLResource *res = (_EGLResource *) ctx;
+ return (res && _eglIsResourceLinked(res));
+}
+
+
#endif /* EGLCONTEXT_INCLUDED */