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| Rev | Author | Line No. | Line |
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| 4358 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2010 Luca Barbieri |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining |
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| 6 | * a 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, sublicense, 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 |
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| 15 | * portions of the Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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| 20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
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| 21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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| 22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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| 23 | * WITH THE 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 | #ifndef U_SURFACES_H_ |
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| 28 | #define U_SURFACES_H_ |
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| 29 | |||
| 30 | #include "pipe/p_compiler.h" |
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| 31 | #include "pipe/p_state.h" |
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| 32 | #include "util/u_atomic.h" |
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| 33 | #include "cso_cache/cso_hash.h" |
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| 34 | |||
| 35 | struct util_surfaces |
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| 36 | { |
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| 37 | union |
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| 38 | { |
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| 39 | struct cso_hash *hash; |
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| 40 | struct pipe_surface **array; |
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| 41 | void* pv; |
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| 42 | } u; |
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| 43 | }; |
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| 44 | |||
| 45 | /* Return value indicates if the pipe surface result is new */ |
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| 46 | boolean |
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| 47 | util_surfaces_do_get(struct util_surfaces *us, unsigned surface_struct_size, |
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| 48 | struct pipe_context *ctx, struct pipe_resource *pt, |
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| 49 | unsigned level, unsigned layer, |
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| 50 | struct pipe_surface **res); |
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| 51 | |||
| 52 | /* fast inline path for the very common case */ |
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| 53 | static INLINE boolean |
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| 54 | util_surfaces_get(struct util_surfaces *us, unsigned surface_struct_size, |
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| 55 | struct pipe_context *ctx, struct pipe_resource *pt, |
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| 56 | unsigned level, unsigned layer, |
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| 57 | struct pipe_surface **res) |
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| 58 | { |
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| 59 | if(likely((pt->target == PIPE_TEXTURE_2D || pt->target == PIPE_TEXTURE_RECT) && us->u.array)) |
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| 60 | { |
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| 61 | struct pipe_surface *ps = us->u.array[level]; |
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| 62 | if(ps && ps->context == ctx) |
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| 63 | { |
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| 64 | p_atomic_inc(&ps->reference.count); |
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| 65 | *res = ps; |
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| 66 | return FALSE; |
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| 67 | } |
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| 68 | } |
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| 69 | |||
| 70 | return util_surfaces_do_get(us, surface_struct_size, ctx, pt, level, layer, res); |
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| 71 | } |
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| 72 | |||
| 73 | static INLINE struct pipe_surface * |
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| 74 | util_surfaces_peek(struct util_surfaces *us, struct pipe_resource *pt, unsigned level, unsigned layer) |
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| 75 | { |
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| 76 | if(!us->u.pv) |
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| 77 | return 0; |
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| 78 | |||
| 79 | if(unlikely(pt->target == PIPE_TEXTURE_3D || pt->target == PIPE_TEXTURE_CUBE)) |
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| 80 | return cso_hash_iter_data(cso_hash_find(us->u.hash, (layer << 8) | level)); |
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| 81 | else |
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| 82 | return us->u.array[level]; |
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| 83 | } |
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| 84 | |||
| 85 | void util_surfaces_do_detach(struct util_surfaces *us, struct pipe_surface *ps); |
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| 86 | |||
| 87 | static INLINE void |
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| 88 | util_surfaces_detach(struct util_surfaces *us, struct pipe_surface *ps) |
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| 89 | { |
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| 90 | if(likely(ps->texture->target == PIPE_TEXTURE_2D || ps->texture->target == PIPE_TEXTURE_RECT)) |
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| 91 | { |
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| 92 | us->u.array[ps->u.tex.level] = 0; |
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| 93 | return; |
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| 94 | } |
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| 95 | |||
| 96 | util_surfaces_do_detach(us, ps); |
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| 97 | } |
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| 98 | |||
| 99 | void util_surfaces_destroy(struct util_surfaces *us, struct pipe_resource *pt, void (*destroy_surface) (struct pipe_surface *)); |
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| 100 | |||
| 101 | #endif |