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 * The format encoding idea is partially borrowed from libpixman, but it is not 25 * considered a "substantial part of the software", so the pixman copyright 26 * is left out for simplicity, and acknowledgment is instead given in this way. 27 * 28 ********************************************************* 29 * Authors: 30 * Zack Rusin <zackr-at-vmware-dot-com> 31 * Thomas Hellstrom <thellstrom-at-vmware-dot-com> 32 */ 33 34 #ifndef _XA_TRACKER_H_ 35 #define _XA_TRACKER_H_ 36 37 #include <stdint.h> 38 39 #define XA_TRACKER_VERSION_MAJOR 1 40 #define XA_TRACKER_VERSION_MINOR 0 41 #define XA_TRACKER_VERSION_PATCH 0 42 43 #define XA_FLAG_SHARED (1 << 0) 44 #define XA_FLAG_RENDER_TARGET (1 << 1) 45 #define XA_FLAG_SCANOUT (1 << 2) 46 47 #define XA_MAP_READ (1 << 0) 48 #define XA_MAP_WRITE (1 << 1) 49 50 #define XA_ERR_NONE 0 51 #define XA_ERR_NORES 1 52 #define XA_ERR_INVAL 2 53 #define XA_ERR_BUSY 3 54 55 enum xa_surface_type { 56 xa_type_other, 57 xa_type_a, 58 xa_type_argb, 59 xa_type_abgr, 60 xa_type_bgra, 61 xa_type_z, 62 xa_type_zs, 63 xa_type_sz, 64 xa_type_yuv_component 65 }; 66 67 /* 68 * Note that these formats should not be assumed to be binary compatible with 69 * pixman formats, but with the below macros and a format type map, 70 * conversion should be simple. Macros for now. We might replace with 71 * inline functions. 72 */ 73 74 #define xa_format(bpp,type,a,r,g,b) (((bpp) << 24) | \ 75 ((type) << 16) | \ 76 ((a) << 12) | \ 77 ((r) << 8) | \ 78 ((g) << 4) | \ 79 ((b))) 80 /* 81 * Non-RGBA one- and two component formats. 82 */ 83 84 #define xa_format_c(bpp,type,c1,c2) (((bpp) << 24) | \ 85 ((type) << 16) | \ 86 ((c1) << 8) | \ 87 ((c2))) 88 #define xa_format_bpp(f) (((f) >> 24) ) 89 #define xa_format_type(f) (((f) >> 16) & 0xff) 90 #define xa_format_a(f) (((f) >> 12) & 0x0f) 91 #define xa_format_r(f) (((f) >> 8) & 0x0f) 92 #define xa_format_g(f) (((f) >> 4) & 0x0f) 93 #define xa_format_b(f) (((f) ) & 0x0f) 94 #define xa_format_rgb(f) (((f) ) & 0xfff) 95 #define xa_format_c1(f) (((f) >> 8 ) & 0xff) 96 #define xa_format_c2(f) (((f) ) & 0xff) 97 #define xa_format_argb_depth(f) (xa_format_a(f) + \ 98 xa_format_r(f) + \ 99 xa_format_g(f) + \ 100 xa_format_b(f)) 101 #define xa_format_c_depth(f) (xa_format_c1(f) + \ 102 xa_format_c2(f)) 103 104 static inline int 105 xa_format_type_is_color(uint32_t xa_format) 106 { 107 return (xa_format_type(xa_format) < xa_type_z); 108 } 109 110 static inline unsigned int 111 xa_format_depth(uint32_t xa_format) 112 { 113 return ((xa_format_type_is_color(xa_format)) ? 114 xa_format_argb_depth(xa_format) : xa_format_c_depth(xa_format)); 115 } 116 117 enum xa_formats { 118 xa_format_unknown = 0, 119 xa_format_a8 = xa_format(8, xa_type_a, 8, 0, 0, 0), 120 121 xa_format_a8r8g8b8 = xa_format(32, xa_type_argb, 8, 8, 8, 8), 122 xa_format_x8r8g8b8 = xa_format(32, xa_type_argb, 0, 8, 8, 8), 123 xa_format_r5g6b5 = xa_format(16, xa_type_argb, 0, 5, 6, 5), 124 xa_format_x1r5g5b5 = xa_format(16, xa_type_argb, 0, 5, 5, 5), 125 126 xa_format_z16 = xa_format_c(16, xa_type_z, 16, 0), 127 xa_format_z32 = xa_format_c(32, xa_type_z, 32, 0), 128 xa_format_z24 = xa_format_c(32, xa_type_z, 24, 0), 129 130 xa_format_x8z24 = xa_format_c(32, xa_type_sz, 24, 0), 131 xa_format_s8z24 = xa_format_c(32, xa_type_sz, 24, 8), 132 xa_format_z24x8 = xa_format_c(32, xa_type_zs, 24, 0), 133 xa_format_z24s8 = xa_format_c(32, xa_type_zs, 24, 8), 134 135 xa_format_yuv8 = xa_format_c(8, xa_type_yuv_component, 8, 0) 136 }; 137 138 struct xa_tracker; 139 struct xa_surface; 140 141 struct xa_box { 142 uint16_t x1, y1, x2, y2; 143 }; 144 145 extern void xa_tracker_version(int *major, int *minor, int *patch); 146 147 extern struct xa_tracker *xa_tracker_create(int drm_fd); 148 149 extern void xa_tracker_destroy(struct xa_tracker *xa); 150 151 extern int xa_format_check_supported(struct xa_tracker *xa, 152 enum xa_formats xa_format, 153 unsigned int flags); 154 155 extern struct xa_surface *xa_surface_create(struct xa_tracker *xa, 156 int width, 157 int height, 158 int depth, 159 enum xa_surface_type stype, 160 enum xa_formats pform, 161 unsigned int flags); 162 163 enum xa_formats xa_surface_format(const struct xa_surface *srf); 164 165 extern void xa_surface_destroy(struct xa_surface *srf); 166 167 extern int xa_surface_redefine(struct xa_surface *srf, 168 int width, 169 int height, 170 int depth, 171 enum xa_surface_type stype, 172 enum xa_formats rgb_format, 173 unsigned int new_flags, 174 int copy_contents); 175 176 extern int xa_surface_handle(struct xa_surface *srf, 177 uint32_t * handle, unsigned int *byte_stride); 178 179 #endif 180
