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