r600g: implement texture_get_handle (needed for eglExportDRMImageMESA)

3 files changed, 46 insertions, 1 deletions

diff --git a/src/gallium/winsys/r600/drm/r600_bo.c b/src/gallium/winsys/r600/drm/r600_bo.c
index 9b9aec5f64c..251f009a6b0 100644
--- a/src/gallium/winsys/r600/drm/r600_bo.c
+++ b/src/gallium/winsys/r600/drm/r600_bo.c
@@ -26,9 +26,10 @@
 #include <pipe/p_compiler.h>
 #include <pipe/p_screen.h>
 #include <pipebuffer/pb_bufmgr.h>
-#include "radeon_drm.h"
+#include "state_tracker/drm_driver.h"
 #include "r600_priv.h"
 #include "r600d.h"
+#include "drm.h"
 #include "radeon_drm.h"
 
 struct r600_bo *r600_bo(struct radeon *radeon,
@@ -154,3 +155,28 @@ unsigned r600_bo_get_size(struct r600_bo *pb_bo)
 
 	return bo->size;
 }
+
+boolean r600_bo_get_winsys_handle(struct radeon *radeon, struct r600_bo *pb_bo,
+				unsigned stride, struct winsys_handle *whandle)
+{
+	struct radeon_bo *bo;
+
+	bo = radeon_bo_pb_get_bo(pb_bo->pb);
+	if (!bo)
+		return FALSE;
+
+	whandle->stride = stride;
+	switch(whandle->type) {
+	case DRM_API_HANDLE_TYPE_KMS:
+		whandle->handle = r600_bo_get_handle(pb_bo);
+		break;
+	case DRM_API_HANDLE_TYPE_SHARED:
+		if (radeon_bo_get_name(radeon, bo, &whandle->handle))
+			return FALSE;
+		break;
+	default:
+		return FALSE;
+	}
+
+	return TRUE;
+}
diff --git a/src/gallium/winsys/r600/drm/r600_priv.h b/src/gallium/winsys/r600/drm/r600_priv.h
index 97c582397a7..9fd77b71c77 100644
--- a/src/gallium/winsys/r600/drm/r600_priv.h
+++ b/src/gallium/winsys/r600/drm/r600_priv.h
@@ -102,6 +102,9 @@ int radeon_bo_get_tiling_flags(struct radeon *radeon,
 			       struct radeon_bo *bo,
 			       uint32_t *tiling_flags,
 			       uint32_t *pitch);
+int radeon_bo_get_name(struct radeon *radeon,
+		       struct radeon_bo *bo,
+		       uint32_t *name);
 
 /* radeon_bo_pb.c */
 struct radeon_bo *radeon_bo_pb_get_bo(struct pb_buffer *_buf);
diff --git a/src/gallium/winsys/r600/drm/radeon_bo.c b/src/gallium/winsys/r600/drm/radeon_bo.c
index dcee00de864..3054782838b 100644
--- a/src/gallium/winsys/r600/drm/radeon_bo.c
+++ b/src/gallium/winsys/r600/drm/radeon_bo.c
@@ -216,3 +216,19 @@ int radeon_bo_get_tiling_flags(struct radeon *radeon,
 	*pitch = args.pitch;
 	return ret;
 }
+
+int radeon_bo_get_name(struct radeon *radeon,
+		       struct radeon_bo *bo,
+		       uint32_t *name)
+{
+	struct drm_gem_flink flink;
+	int ret;
+
+	flink.handle = bo->handle;
+	ret = drmIoctl(radeon->fd, DRM_IOCTL_GEM_FLINK, &flink);
+	if (ret)
+		return ret;
+
+	*name = flink.name;
+	return ret;
+}