src/gallium/state_trackers/xa/xa_context.h

   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