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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5563 | serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2010 VMware, Inc. All Rights Reserved. |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 6 | * copy of this software and associated documentation files (the |
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| 7 | * "Software"), to deal in the Software without restriction, including |
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| 8 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 9 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 10 | * permit persons to whom the Software is furnished to do so, subject to |
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| 11 | * the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice (including the |
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| 14 | * next paragraph) shall be included in all copies or substantial portions |
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| 15 | * of the Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 20 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 21 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 22 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 23 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 24 | * |
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| 25 | **************************************************************************/ |
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| 26 | |||
| 27 | |||
| 28 | /** |
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| 29 | * Convert opaque VG object handles into pointers and vice versa. |
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| 30 | * XXX This is not yet 64-bit safe! All VG handles are 32 bits in size. |
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| 31 | */ |
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| 32 | |||
| 33 | |||
| 34 | #ifndef HANDLE_H |
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| 35 | #define HANDLE_H |
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| 36 | |||
| 37 | #include "pipe/p_compiler.h" |
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| 38 | #include "util/u_debug.h" |
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| 39 | #include "util/u_hash_table.h" |
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| 40 | #include "util/u_pointer.h" |
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| 41 | |||
| 42 | #include "VG/openvg.h" |
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| 43 | #include "vg_context.h" |
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| 44 | |||
| 45 | |||
| 46 | extern struct util_hash_table *handle_hash; |
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| 47 | |||
| 48 | |||
| 49 | struct vg_mask_layer; |
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| 50 | struct vg_font; |
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| 51 | struct vg_image; |
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| 52 | struct vg_paint; |
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| 53 | struct path; |
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| 54 | |||
| 55 | |||
| 56 | extern void |
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| 57 | init_handles(void); |
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| 58 | |||
| 59 | |||
| 60 | extern void |
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| 61 | free_handles(void); |
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| 62 | |||
| 63 | |||
| 64 | extern VGHandle |
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| 65 | create_handle(void *object); |
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| 66 | |||
| 67 | |||
| 68 | extern void |
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| 69 | destroy_handle(VGHandle h); |
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| 70 | |||
| 71 | |||
| 72 | static INLINE VGHandle |
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| 73 | object_to_handle(struct vg_object *obj) |
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| 74 | { |
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| 75 | return obj ? obj->handle : VG_INVALID_HANDLE; |
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| 76 | } |
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| 77 | |||
| 78 | |||
| 79 | static INLINE VGHandle |
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| 80 | image_to_handle(struct vg_image *img) |
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| 81 | { |
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| 82 | /* vg_image is derived from vg_object */ |
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| 83 | return object_to_handle((struct vg_object *) img); |
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| 84 | } |
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| 85 | |||
| 86 | |||
| 87 | static INLINE VGHandle |
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| 88 | masklayer_to_handle(struct vg_mask_layer *mask) |
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| 89 | { |
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| 90 | /* vg_object is derived from vg_object */ |
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| 91 | return object_to_handle((struct vg_object *) mask); |
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| 92 | } |
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| 93 | |||
| 94 | |||
| 95 | static INLINE VGHandle |
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| 96 | font_to_handle(struct vg_font *font) |
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| 97 | { |
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| 98 | return object_to_handle((struct vg_object *) font); |
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| 99 | } |
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| 100 | |||
| 101 | |||
| 102 | static INLINE VGHandle |
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| 103 | paint_to_handle(struct vg_paint *paint) |
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| 104 | { |
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| 105 | return object_to_handle((struct vg_object *) paint); |
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| 106 | } |
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| 107 | |||
| 108 | |||
| 109 | static INLINE VGHandle |
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| 110 | path_to_handle(struct path *path) |
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| 111 | { |
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| 112 | return object_to_handle((struct vg_object *) path); |
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| 113 | } |
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| 114 | |||
| 115 | |||
| 116 | static INLINE void * |
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| 117 | handle_to_pointer(VGHandle h) |
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| 118 | { |
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| 119 | void *v = util_hash_table_get(handle_hash, intptr_to_pointer(h)); |
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| 120 | #ifdef DEBUG |
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| 121 | if (v) { |
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| 122 | struct vg_object *obj = (struct vg_object *) v; |
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| 123 | assert(obj->handle == h); |
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| 124 | } |
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| 125 | #endif |
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| 126 | return v; |
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| 127 | } |
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| 128 | |||
| 129 | |||
| 130 | static INLINE struct vg_font * |
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| 131 | handle_to_font(VGHandle h) |
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| 132 | { |
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| 133 | return (struct vg_font *) handle_to_pointer(h); |
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| 134 | } |
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| 135 | |||
| 136 | |||
| 137 | static INLINE struct vg_image * |
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| 138 | handle_to_image(VGHandle h) |
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| 139 | { |
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| 140 | return (struct vg_image *) handle_to_pointer(h); |
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| 141 | } |
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| 142 | |||
| 143 | |||
| 144 | static INLINE struct vg_mask_layer * |
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| 145 | handle_to_masklayer(VGHandle h) |
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| 146 | { |
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| 147 | return (struct vg_mask_layer *) handle_to_pointer(h); |
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| 148 | } |
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| 149 | |||
| 150 | |||
| 151 | static INLINE struct vg_object * |
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| 152 | handle_to_object(VGHandle h) |
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| 153 | { |
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| 154 | return (struct vg_object *) handle_to_pointer(h); |
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| 155 | } |
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| 156 | |||
| 157 | |||
| 158 | static INLINE struct vg_paint * |
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| 159 | handle_to_paint(VGHandle h) |
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| 160 | { |
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| 161 | return (struct vg_paint *) handle_to_pointer(h); |
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| 162 | } |
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| 163 | |||
| 164 | |||
| 165 | static INLINE struct path * |
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| 166 | handle_to_path(VGHandle h) |
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| 167 | { |
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| 168 | return (struct path *) handle_to_pointer(h); |
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| 169 | } |
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| 170 | |||
| 171 | |||
| 172 | #endif /* HANDLE_H */ |