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+/**********************************************************
+ * Copyright 2009-2011 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, sublicense, 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 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
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * 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.
+ *
+ *********************************************************
+ * Authors:
+ * Zack Rusin <zackr-at-vmware-dot-com>
+ * Thomas Hellstrom <thellstrom-at-vmware-dot-com>
+ */
+
+#ifndef _XA_CONTEXT_H_
+#define _XA_CONTEXT_H_
+#include "xa_tracker.h"
+#include <stdint.h>
+
+struct xa_context;
+
+extern struct xa_context *xa_context_default(struct xa_tracker *xa);
+
+extern struct xa_context *xa_context_create(struct xa_tracker *xa);
+
+extern void xa_context_destroy(struct xa_context *r);
+
+extern void xa_context_flush(struct xa_context *ctx);
+
+/**
+ * xa_yuv_planar_blit - 2D blit with color conversion and scaling.
+ *
+ * Performs a scaled blit with color conversion according to
+ * (R,G,B,A)^T = (CM)^T (Y,U,V,1)^T, where @conversion_matrix or CM in the
+ * formula is a four by four coefficient matrix. The input variable
+ * @yuv is an array of three xa_yuv_component surfaces.
+ */
+extern int xa_yuv_planar_blit(struct xa_context *r,
+ int src_x,
+ int src_y,
+ int src_w,
+ int src_h,
+ int dst_x,
+ int dst_y,
+ int dst_w,
+ int dst_h,
+ struct xa_box *box,
+ unsigned int num_boxes,
+ const float conversion_matrix[],
+ struct xa_surface *dst, struct xa_surface *yuv[]);
+
+extern int xa_copy_prepare(struct xa_context *ctx,
+ struct xa_surface *dst, struct xa_surface *src);
+
+extern void xa_copy(struct xa_context *ctx,
+ int dx, int dy, int sx, int sy, int width, int height);
+
+extern void xa_copy_done(struct xa_context *ctx);
+
+extern int xa_surface_dma(struct xa_context *ctx,
+ struct xa_surface *srf,
+ void *data,
+ unsigned int byte_pitch,
+ int to_surface, struct xa_box *boxes,
+ unsigned int num_boxes);
+
+extern void *xa_surface_map(struct xa_context *ctx,
+ struct xa_surface *srf, unsigned int usage);
+
+extern void xa_surface_unmap(struct xa_surface *srf);
+
+extern int
+xa_solid_prepare(struct xa_context *ctx, struct xa_surface *dst,
+ uint32_t fg);
+extern void
+xa_solid(struct xa_context *ctx, int x, int y, int width, int height);
+
+extern void
+xa_solid_done(struct xa_context *ctx);
+
+extern struct xa_fence *xa_fence_get(struct xa_context *ctx);
+
+extern int xa_fence_wait(struct xa_fence *fence, uint64_t timeout);
+
+extern void xa_fence_destroy(struct xa_fence *fence);
+#endif