st/egl: Move the copy context to the native display structure

This makes it usable also for native helpers.
Also add inline functions to access the context and to
uninit the native display structure.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/egl/common/native.h b/src/gallium/state_trackers/egl/common/native.h
index 42889075a3..9246f8c32a 100644
--- a/src/gallium/state_trackers/egl/common/native.h
+++ b/src/gallium/state_trackers/egl/common/native.h
@@ -142,6 +142,11 @@ struct native_display {
    struct pipe_screen *screen;
 
    /**
+    * Context used for copy operations.
+    */
+   struct pipe_context *pipe;
+
+   /**
     * Available for caller's use.
     */
    void *user_data;
@@ -223,6 +228,29 @@ native_attachment_mask_test(uint mask, enum native_attachment att)
    return !!(mask & (1 << att));
 }
 
+/**
+ * Get the display copy context
+ */
+static INLINE struct pipe_context *
+ndpy_get_copy_context(struct native_display *ndpy)
+{
+   if (!ndpy->pipe)
+      ndpy->pipe = ndpy->screen->context_create(ndpy->screen, NULL);
+   return ndpy->pipe;
+}
+
+/**
+ * Free display screen and context resources
+ */
+static INLINE void
+ndpy_uninit(struct native_display *ndpy)
+{
+   if (ndpy->pipe)
+      ndpy->pipe->destroy(ndpy->pipe);
+   if (ndpy->screen)
+      ndpy->screen->destroy(ndpy->screen);
+}
+
 struct native_platform {
    const char *name;