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diff --git a/src/gallium/state_trackers/vega/mask.h b/src/gallium/state_trackers/vega/mask.h
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+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef MASK_H
+#define MASK_H
+
+#include "vg_context.h"
+
+struct path;
+struct vg_image;
+struct pipe_texture;
+
+struct vg_mask_layer *mask_layer_create(VGint width, VGint height);
+void mask_layer_destroy(struct vg_mask_layer *layer);
+void mask_layer_fill(struct vg_mask_layer *layer,
+ VGint x, VGint y,
+ VGint width, VGint height,
+ VGfloat value);
+VGint mask_layer_width(struct vg_mask_layer *layer);
+VGint mask_layer_height(struct vg_mask_layer *layer);
+void mask_copy(struct vg_mask_layer *layer,
+ VGint sx, VGint sy,
+ VGint dx, VGint dy,
+ VGint width, VGint height);
+
+void mask_render_to(struct path *path,
+ VGbitfield paint_modes,
+ VGMaskOperation operation);
+
+void mask_using_layer(struct vg_mask_layer *layer,
+ VGMaskOperation operation,
+ VGint x, VGint y,
+ VGint width, VGint height);
+void mask_using_image(struct vg_image *image,
+ VGMaskOperation operation,
+ VGint x, VGint y,
+ VGint width, VGint height);
+void mask_fill(VGint x, VGint y,
+ VGint width, VGint height,
+ VGfloat value);
+
+VGint mask_bind_samplers(struct pipe_sampler_state **samplers,
+ struct pipe_texture **textures);
+
+#endif