LCOV - code coverage report
Current view: top level - src - cache.h (source / functions) Hit Total Coverage
Test: Code coverage Lines: 13 16 81.2 %
Date: 2025-03-29 09:04:10 Functions: 2 2 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 6 8 75.0 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * This file is part of libplacebo.
       3                 :            :  *
       4                 :            :  * libplacebo is free software; you can redistribute it and/or
       5                 :            :  * modify it under the terms of the GNU Lesser General Public
       6                 :            :  * License as published by the Free Software Foundation; either
       7                 :            :  * version 2.1 of the License, or (at your option) any later version.
       8                 :            :  *
       9                 :            :  * libplacebo is distributed in the hope that it will be useful,
      10                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12                 :            :  * GNU Lesser General Public License for more details.
      13                 :            :  *
      14                 :            :  * You should have received a copy of the GNU Lesser General Public
      15                 :            :  * License along with libplacebo. If not, see <http://www.gnu.org/licenses/>.
      16                 :            :  */
      17                 :            : 
      18                 :            : #pragma once
      19                 :            : 
      20                 :            : #include "common.h"
      21                 :            : #include "hash.h"
      22                 :            : 
      23                 :            : #include <libplacebo/cache.h>
      24                 :            : 
      25                 :            : // Convenience wrapper around pl_cache_set
      26                 :            : static inline void pl_cache_str(pl_cache cache, uint64_t key, pl_str *str)
      27                 :            : {
      28                 :            :     pl_cache_set(cache, &(pl_cache_obj) {
      29                 :            :         .key  = key,
      30                 :            :         .data = pl_steal(NULL, str->buf),
      31                 :            :         .size = str->len,
      32                 :            :         .free = pl_free,
      33                 :            :     });
      34                 :            :     *str = (pl_str) {0};
      35                 :            : }
      36                 :            : 
      37                 :            : // Steal and insert a cache object
      38                 :        482 : static inline void pl_cache_steal(pl_cache cache, pl_cache_obj *obj)
      39                 :            : {
      40         [ +  + ]:        482 :     if (obj->free == pl_free)
      41                 :        269 :         obj->data = pl_steal(NULL, obj->data);
      42                 :        482 :     pl_cache_set(cache, obj);
      43                 :        482 : }
      44                 :            : 
      45                 :            : // Resize `obj->data` to a given size, re-using allocated buffers where possible
      46                 :        372 : static inline void pl_cache_obj_resize(void *alloc, pl_cache_obj *obj, size_t size)
      47                 :            : {
      48         [ +  + ]:        372 :     if (obj->free != pl_free) {
      49         [ -  + ]:        370 :         if (obj->free)
      50                 :          0 :             obj->free(obj->data);
      51                 :        370 :         obj->data = pl_alloc(alloc, size);
      52                 :        370 :         obj->free = pl_free;
      53         [ -  + ]:          2 :     } else if (pl_get_size(obj->data) < size) {
      54                 :          0 :         obj->data = pl_steal(alloc, obj->data);
      55                 :          0 :         obj->data = pl_realloc(alloc, obj->data, size);
      56                 :            :     }
      57                 :        372 :     obj->size = size;
      58                 :        372 : }
      59                 :            : 
      60                 :            : // Internal list of base seeds for different object types, randomly generated
      61                 :            : 
      62                 :            : enum {
      63                 :            :     CACHE_KEY_SH_LUT    = UINT64_C(0x2206183d320352c6), // sh_lut cache
      64                 :            :     CACHE_KEY_ICC_3DLUT = UINT64_C(0xff703a6dd8a996f6), // ICC 3dlut
      65                 :            :     CACHE_KEY_DITHER    = UINT64_C(0x6fed75eb6dce86cb), // dither matrix
      66                 :            :     CACHE_KEY_H274      = UINT64_C(0x2fb9adca04b42c4d), // H.274 film grain DB
      67                 :            :     CACHE_KEY_GAMUT_LUT = UINT64_C(0x6109e47f15d478b1), // gamut mapping 3DLUT
      68                 :            :     CACHE_KEY_SPIRV     = UINT64_C(0x32352f6605ff60a7), // bare SPIR-V module
      69                 :            :     CACHE_KEY_VK_PIPE   = UINT64_C(0x4bdab2817ad02ad4), // VkPipelineCache
      70                 :            :     CACHE_KEY_GL_PROG   = UINT64_C(0x4274c309f4f0477b), // GL_ARB_get_program_binary
      71                 :            :     CACHE_KEY_D3D_DXBC  = UINT64_C(0x5c9e6f43ec73f787), // DXBC bytecode
      72                 :            : };

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