From 599b1d0ceb568fbb3e55b0187793864253341ebc Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Fri, 29 Jul 2011 14:21:56 +0200
Subject: wayland: Add vaAttachSurface

---
 va/va_wayland.h         |  7 ++++++
 va/wayland/va_wayland.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+)

diff --git a/va/va_wayland.h b/va/va_wayland.h
index 364cd37..610c988 100644
--- a/va/va_wayland.h
+++ b/va/va_wayland.h
@@ -41,6 +41,13 @@ VAStatus vaPutSurface (
     unsigned int flags /* PutSurface flags */
 );
 
+VAStatus vaAttachSurface(
+    VADisplay dpy,
+    VASurfaceID surface,
+    struct wl_egl_window *window,
+    struct wl_visual *visual
+);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/va/wayland/va_wayland.c b/va/wayland/va_wayland.c
index 647ee92..73f8066 100644
--- a/va/wayland/va_wayland.c
+++ b/va/wayland/va_wayland.c
@@ -554,3 +554,61 @@ vaPutSurface(VADisplay dpy,
 					 destx, desty, destw, desth,
 					 cliprects, number_cliprects, flags);
 }
+
+VAStatus
+vaAttachSurface(VADisplay dpy, VASurfaceID surface,
+		struct wl_egl_window *window, struct wl_visual *visual)
+{
+	struct VADriverContext *ctx;
+	struct wldrm_ctx *wctx;
+	struct wl_display *display;
+	struct wldrm_state *drm_state;
+	struct wl_buffer *buf;
+	VAStatus status;
+	VAImage image;
+	uint32_t name, pitch;
+
+	if (fool_postp)
+		return VA_STATUS_SUCCESS;
+
+	if (window == NULL)
+		return VA_STATUS_ERROR_UNKNOWN;
+
+	CHECK_DISPLAY(dpy);
+	ctx = CTX(dpy);
+	wctx = wldrm_ctx(ctx);
+	display = wctx->base.native_dpy;
+	drm_state = ctx->drm_state;
+
+	status = ctx->vtable->vaDeriveImage(ctx, surface, &image);
+	if (status != VA_STATUS_SUCCESS)
+		return status;
+
+	status = drm_state->base.image_export(ctx, image.image_id,
+					      &name, &pitch);
+	if (status != VA_STATUS_SUCCESS) {
+		/* destroy image */
+		return status;
+	}
+
+	if (!wctx->drm) {
+		int id = wl_display_get_global(display, "wl_drm", 1);
+		assert(id != 0);
+		wctx->drm = wl_drm_create_without_bind(display, id);
+	}
+	buf = wl_drm_create_buffer(wctx->drm, name,
+				   image.width, image.height,
+				   pitch, visual);
+	wl_drm_destroy(wctx->drm);
+	wctx->drm = NULL;
+
+	wl_buffer_damage(buf, 0, 0, image.width, image.height);
+	wl_surface_attach(window->surface, buf, 0, 0);
+	wl_surface_damage(window->surface, 0, 0, image.width, image.height);
+
+	/* wl_buffer_destroy(buf); */
+
+	/* destroy image in sync callback */
+	
+	return VA_STATUS_SUCCESS;
+}
-- 
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