egl: Implement __DRI_BACKGROUND_CALLABLE

v2: (Timothy Arceri) use C99 initializers.

Acked-by: Timothy Arceri <tarceri@itsqueeze.com>
Acked-by: Marek Olšák <maraeo@gmail.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Tested-by: Mike Lothian <mike@fireburn.co.uk>

diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 4bab6f1..2cab7d0 100644 (file)
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -83,6 +83,21 @@
 #define DRM_FORMAT_GR1616        fourcc_code('G', 'R', '3', '2') /* [31:0] R:G 16:16 little endian */
 #endif
 
+static void
+dri_set_background_context(void *loaderPrivate)
+{
+   _EGLContext *ctx = _eglGetCurrentContext();
+   _EGLThreadInfo *t = _eglGetCurrentThread();
+
+   _eglBindContextToThread(ctx, t);
+}
+
+const __DRIbackgroundCallableExtension background_callable_extension = {
+   .base = { __DRI_BACKGROUND_CALLABLE, 1 },
+
+   .setBackgroundContext = dri_set_background_context,
+};
+
 const __DRIuseInvalidateExtension use_invalidate = {
    .base = { __DRI_USE_INVALIDATE, 1 }
 };

diff --git a/src/egl/drivers/dri2/egl_dri2.h b/src/egl/drivers/dri2/egl_dri2.h
index f981e38..230c066 100644 (file)
--- a/src/egl/drivers/dri2/egl_dri2.h
+++ b/src/egl/drivers/dri2/egl_dri2.h
@@ -351,6 +351,7 @@ _EGL_DRIVER_TYPECAST(dri2_egl_sync, _EGLSync, obj)
 
 extern const __DRIimageLookupExtension image_lookup_extension;
 extern const __DRIuseInvalidateExtension use_invalidate;
+extern const __DRIbackgroundCallableExtension background_callable_extension;
 
 EGLBoolean
 dri2_load_driver(_EGLDisplay *disp);

diff --git a/src/egl/drivers/dri2/platform_x11.c b/src/egl/drivers/dri2/platform_x11.c
index c5bb973..2f1086e 100644 (file)
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -1423,12 +1423,14 @@ static const __DRIdri2LoaderExtension dri2_loader_extension = {
 static const __DRIextension *dri2_loader_extensions_old[] = {
    &dri2_loader_extension_old.base,
    &image_lookup_extension.base,
+   &background_callable_extension.base,
    NULL,
 };
 
 static const __DRIextension *dri2_loader_extensions[] = {
    &dri2_loader_extension.base,
    &image_lookup_extension.base,
+   &background_callable_extension.base,
    NULL,
 };
 

diff --git a/src/egl/main/eglcontext.c b/src/egl/main/eglcontext.c
index 5313e1d..05cc523 100644 (file)
--- a/src/egl/main/eglcontext.c
+++ b/src/egl/main/eglcontext.c
@@ -583,7 +583,7 @@ _eglQueryContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *c,
  *
  * Note that the context may be NULL.
  */
-static _EGLContext *
+_EGLContext *
 _eglBindContextToThread(_EGLContext *ctx, _EGLThreadInfo *t)
 {
    _EGLContext *oldCtx;

diff --git a/src/egl/main/eglcontext.h b/src/egl/main/eglcontext.h
index 69bf77d..f2fe806 100644 (file)
--- a/src/egl/main/eglcontext.h
+++ b/src/egl/main/eglcontext.h
@@ -82,6 +82,9 @@ _eglBindContext(_EGLContext *ctx, _EGLSurface *draw, _EGLSurface *read,
                 _EGLContext **old_ctx,
                 _EGLSurface **old_draw, _EGLSurface **old_read);
 
+extern _EGLContext *
+_eglBindContextToThread(_EGLContext *ctx, _EGLThreadInfo *t);
+
 
 /**
  * Increment reference count for the context.