3 files changed, 56 insertions, 13 deletions

diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_api.c b/src/gallium/winsys/drm/intel/gem/intel_be_api.c
index 6cffed5134..3f71c25441 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_be_api.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_be_api.c
@@ -1,12 +1,15 @@
 
 #include "intel_be_api.h"
+#include "i915simple/i915_winsys.h"
 
 struct drm_api drm_api_hocks =
 {
 	/* intel_be_context.c */
 	.create_context = intel_be_create_context,
-	/* intel_be_screen.c */
+	/* intel_be_device.c */
 	.create_screen = intel_be_create_screen,
+	.buffer_from_texture = i915_get_texture_buffer,
 	.buffer_from_handle = intel_be_buffer_from_handle,
 	.handle_from_buffer = intel_be_handle_from_buffer,
+	.global_handle_from_buffer = intel_be_global_handle_from_buffer,
 };
diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_device.c b/src/gallium/winsys/drm/intel/gem/intel_be_device.c
index a2163a1e6d..595de44726 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_be_device.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_be_device.c
@@ -9,7 +9,7 @@
 
 #include "intel_be_fence.h"
 
-#include "i915simple/i915_screen.h"
+#include "i915simple/i915_winsys.h"
 
 #include "intel_be_api.h"
 
@@ -70,6 +70,8 @@ intel_be_buffer_create(struct pipe_winsys *winsys,
 	buffer->base.alignment = alignment;
 	buffer->base.usage = usage;
 	buffer->base.size = size;
+	buffer->flinked = FALSE;
+	buffer->flink = 0;
 
 	if (usage & (PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_CONSTANT)) {
 		/* Local buffer */
@@ -133,10 +135,10 @@ err:
 }
 
 struct pipe_buffer *
-intel_be_buffer_from_handle(struct pipe_winsys *winsys,
+intel_be_buffer_from_handle(struct pipe_screen *screen,
                             const char* name, unsigned handle)
 {
-	struct intel_be_device *dev = intel_be_device(winsys);
+	struct intel_be_device *dev = intel_be_device(screen->winsys);
 	struct intel_be_buffer *buffer = CALLOC_STRUCT(intel_be_buffer);
 
 	if (!buffer)
@@ -162,14 +164,39 @@ err:
 	return NULL;
 }
 
-unsigned
-intel_be_handle_from_buffer(struct pipe_winsys *winsys,
-                            struct pipe_buffer *buf)
+boolean
+intel_be_handle_from_buffer(struct pipe_screen *screen,
+                            struct pipe_buffer *buffer,
+                            unsigned *handle)
 {
-	drm_intel_bo *bo = intel_bo(buf);
-	return bo->handle;
+	drm_intel_bo *bo;
+
+	if (!buffer)
+		return FALSE;
+
+	*handle = intel_bo(buffer)->handle;
+	return TRUE;
 }
 
+boolean
+intel_be_global_handle_from_buffer(struct pipe_screen *screen,
+				   struct pipe_buffer *buffer,
+				   unsigned *handle)
+{
+	struct intel_be_buffer *buf = intel_be_buffer(buffer);
+
+	if (!buffer)
+		return FALSE;
+
+	if (!buf->flinked) {
+		if (drm_intel_bo_flink(intel_bo(buffer), &buf->flink))
+			return FALSE;
+		buf->flinked = TRUE;
+	}
+
+	*handle = buf->flink;
+	return TRUE;
+}
 /*
  * Fence
  */
diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_device.h b/src/gallium/winsys/drm/intel/gem/intel_be_device.h
index c4837e65fa..47d2176cb4 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_be_device.h
+++ b/src/gallium/winsys/drm/intel/gem/intel_be_device.h
@@ -44,6 +44,8 @@ intel_be_init_device(struct intel_be_device *device, int fd, unsigned id);
 struct intel_be_buffer {
 	struct pipe_buffer base;
 	drm_intel_bo *bo;
+	boolean flinked;
+	unsigned flink;
 };
 
 /**
@@ -52,7 +54,7 @@ struct intel_be_buffer {
  * Takes a reference.
  */
 struct pipe_buffer *
-intel_be_buffer_from_handle(struct pipe_winsys *winsys,
+intel_be_buffer_from_handle(struct pipe_screen *screen,
                             const char* name, unsigned handle);
 
 /**
@@ -60,9 +62,20 @@ intel_be_buffer_from_handle(struct pipe_winsys *winsys,
  *
  * If buffer is destroyed handle may become invalid.
  */
-unsigned
-intel_be_handle_from_buffer(struct pipe_winsys *winsys,
-                            struct pipe_buffer *buffer);
+boolean
+intel_be_handle_from_buffer(struct pipe_screen *screen,
+                            struct pipe_buffer *buffer,
+                            unsigned *handle);
+
+/**
+ * Gets the global handle from a buffer.
+ *
+ * If buffer is destroyed handle may become invalid.
+ */
+boolean
+intel_be_global_handle_from_buffer(struct pipe_screen *screen,
+                                   struct pipe_buffer *buffer,
+                                   unsigned *handle);
 
 static INLINE struct intel_be_buffer *
 intel_be_buffer(struct pipe_buffer *buf)