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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 /**
44  * xa_yuv_planar_blit - 2D blit with color conversion and scaling.
45  *
46  * Performs a scaled blit with color conversion according to
47  * (R,G,B,A)^T = (CM)^T (Y,U,V,1)^T, where @conversion_matrix or CM in the
48  * formula is a four by four coefficient matrix. The input variable
49  * @yuv is an array of three xa_yuv_component surfaces.
50  */
51 extern int xa_yuv_planar_blit(struct xa_context *r,
52 			      int src_x,
53 			      int src_y,
54 			      int src_w,
55 			      int src_h,
56 			      int dst_x,
57 			      int dst_y,
58 			      int dst_w,
59 			      int dst_h,
60 			      struct xa_box *box,
61 			      unsigned int num_boxes,
62 			      const float conversion_matrix[],
63 			      struct xa_surface *dst, struct xa_surface *yuv[]);
64 
65 extern int xa_copy_prepare(struct xa_context *ctx,
66 			   struct xa_surface *dst, struct xa_surface *src);
67 
68 extern void xa_copy(struct xa_context *ctx,
69 		    int dx, int dy, int sx, int sy, int width, int height);
70 
71 extern void xa_copy_done(struct xa_context *ctx);
72 
73 extern int xa_surface_dma(struct xa_context *ctx,
74 			  struct xa_surface *srf,
75 			  void *data,
76 			  unsigned int byte_pitch,
77 			  int to_surface, struct xa_box *boxes,
78 			  unsigned int num_boxes);
79 
80 extern void *xa_surface_map(struct xa_context *ctx,
81 			    struct xa_surface *srf, unsigned int usage);
82 
83 extern void xa_surface_unmap(struct xa_surface *srf);
84 
85 extern int
86 xa_solid_prepare(struct xa_context *ctx, struct xa_surface *dst,
87 		 uint32_t fg);
88 extern void
89 xa_solid(struct xa_context *ctx, int x, int y, int width, int height);
90 
91 extern void
92 xa_solid_done(struct xa_context *ctx);
93 
94 extern struct xa_fence *xa_fence_get(struct xa_context *ctx);
95 
96 extern int xa_fence_wait(struct xa_fence *fence, uint64_t timeout);
97 
98 extern void xa_fence_destroy(struct xa_fence *fence);
99 #endif
100