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      1 /**********************************************************
      2  * Copyright 2009-2011 VMware, Inc. All rights reserved.
      3  *
      4  * Permission is hereby granted, free of charge, to any person
      5  * obtaining a copy of this software and associated documentation
      6  * files (the "Software"), to deal in the Software without
      7  * restriction, including without limitation the rights to use, copy,
      8  * modify, merge, publish, distribute, sublicense, and/or sell copies
      9  * of the Software, and to permit persons to whom the Software is
     10  * furnished to do so, subject to the following conditions:
     11  *
     12  * The above copyright notice and this permission notice shall be
     13  * included in all copies or substantial portions of the Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     22  * SOFTWARE.
     23  *
     24  *********************************************************
     25  * Authors:
     26  * Zack Rusin <zackr-at-vmware-dot-com>
     27  * Thomas Hellstrom <thellstrom-at-vmware-dot-com>
     28  */
     29 
     30 #ifndef _XA_CONTEXT_H_
     31 #define _XA_CONTEXT_H_
     32 #include "xa_tracker.h"
     33 #include <stdint.h>
     34 
     35 struct xa_context;
     36 
     37 extern struct xa_context *xa_context_default(struct xa_tracker *xa);
     38 
     39 extern struct xa_context *xa_context_create(struct xa_tracker *xa);
     40 
     41 extern void xa_context_destroy(struct xa_context *r);
     42 
     43 extern void xa_context_flush(struct xa_context *ctx);
     44 
     45 /**
     46  * xa_yuv_planar_blit - 2D blit with color conversion and scaling.
     47  *
     48  * Performs a scaled blit with color conversion according to
     49  * (R,G,B,A)^T = (CM)^T (Y,U,V,1)^T, where @conversion_matrix or CM in the
     50  * formula is a four by four coefficient matrix. The input variable
     51  * @yuv is an array of three xa_yuv_component surfaces.
     52  */
     53 extern int xa_yuv_planar_blit(struct xa_context *r,
     54 			      int src_x,
     55 			      int src_y,
     56 			      int src_w,
     57 			      int src_h,
     58 			      int dst_x,
     59 			      int dst_y,
     60 			      int dst_w,
     61 			      int dst_h,
     62 			      struct xa_box *box,
     63 			      unsigned int num_boxes,
     64 			      const float conversion_matrix[],
     65 			      struct xa_surface *dst, struct xa_surface *yuv[]);
     66 
     67 extern int xa_copy_prepare(struct xa_context *ctx,
     68 			   struct xa_surface *dst, struct xa_surface *src);
     69 
     70 extern void xa_copy(struct xa_context *ctx,
     71 		    int dx, int dy, int sx, int sy, int width, int height);
     72 
     73 extern void xa_copy_done(struct xa_context *ctx);
     74 
     75 extern int xa_surface_dma(struct xa_context *ctx,
     76 			  struct xa_surface *srf,
     77 			  void *data,
     78 			  unsigned int byte_pitch,
     79 			  int to_surface, struct xa_box *boxes,
     80 			  unsigned int num_boxes);
     81 
     82 extern void *xa_surface_map(struct xa_context *ctx,
     83 			    struct xa_surface *srf, unsigned int usage);
     84 
     85 extern void xa_surface_unmap(struct xa_surface *srf);
     86 
     87 extern int
     88 xa_solid_prepare(struct xa_context *ctx, struct xa_surface *dst,
     89 		 uint32_t fg);
     90 extern void
     91 xa_solid(struct xa_context *ctx, int x, int y, int width, int height);
     92 
     93 extern void
     94 xa_solid_done(struct xa_context *ctx);
     95 
     96 extern struct xa_fence *xa_fence_get(struct xa_context *ctx);
     97 
     98 extern int xa_fence_wait(struct xa_fence *fence, uint64_t timeout);
     99 
    100 extern void xa_fence_destroy(struct xa_fence *fence);
    101 #endif
    102