LCOV - code coverage report
Current view: top level - src/shaders - custom.c (source / functions) Hit Total Coverage
Test: Code coverage Lines: 18 31 58.1 %
Date: 2025-03-29 09:04:10 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 14 35 40.0 %

           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                 :            : #include "shaders.h"
      19                 :            : 
      20                 :            : #include <libplacebo/shaders/custom.h>
      21                 :            : 
      22                 :          4 : bool pl_shader_custom(pl_shader sh, const struct pl_custom_shader *params)
      23                 :            : {
      24         [ -  + ]:          4 :     if (params->compute) {
      25         [ #  # ]:          0 :         int bw = PL_DEF(params->compute_group_size[0], 16);
      26         [ #  # ]:          0 :         int bh = PL_DEF(params->compute_group_size[1], 16);
      27   [ #  #  #  # ]:          0 :         bool flex = !params->compute_group_size[0] ||
      28                 :            :                     !params->compute_group_size[1];
      29         [ #  # ]:          0 :         if (!sh_try_compute(sh, bw, bh, flex, params->compute_shmem))
      30                 :            :             return false;
      31                 :            :     }
      32                 :            : 
      33         [ -  + ]:          4 :     if (!sh_require(sh, params->input, params->output_w, params->output_h))
      34                 :            :         return false;
      35                 :            : 
      36                 :          4 :     sh->output = params->output;
      37                 :            : 
      38         [ +  + ]:          6 :     for (int i = 0; i < params->num_variables; i++) {
      39                 :          2 :         struct pl_shader_var sv = params->variables[i];
      40                 :          2 :         GLSLP("#define %s "$"\n", sv.var.name, sh_var(sh, sv));
      41                 :            :     }
      42                 :            : 
      43         [ -  + ]:          4 :     for (int i = 0; i < params->num_descriptors; i++) {
      44                 :          0 :         struct pl_shader_desc sd = params->descriptors[i];
      45                 :          0 :         GLSLP("#define %s "$"\n", sd.desc.name, sh_desc(sh, sd));
      46                 :            :     }
      47                 :            : 
      48         [ -  + ]:          4 :     for (int i = 0; i < params->num_vertex_attribs; i++) {
      49                 :          0 :         struct pl_shader_va sva = params->vertex_attribs[i];
      50                 :          0 :         GLSLP("#define %s "$"\n", sva.attr.name, sh_attr(sh, sva));
      51                 :            :     }
      52                 :            : 
      53         [ -  + ]:          4 :     for (int i = 0; i < params->num_constants; i++) {
      54                 :          0 :         struct pl_shader_const sc = params->constants[i];
      55                 :          0 :         GLSLP("#define %s "$"\n", sc.name, sh_const(sh, sc));
      56                 :            :     }
      57                 :            : 
      58         [ -  + ]:          4 :     if (params->prelude)
      59                 :          0 :         GLSLP("// pl_shader_custom prelude: \n%s\n", params->prelude);
      60         [ +  + ]:          4 :     if (params->header)
      61                 :          2 :         GLSLH("// pl_shader_custom header: \n%s\n", params->header);
      62                 :            : 
      63         [ -  + ]:          4 :     if (params->description)
      64                 :          0 :         sh_describef(sh, "%s", params->description);
      65                 :            : 
      66         [ +  - ]:          4 :     if (params->body) {
      67                 :            :         const char *output_decl = "";
      68         [ +  - ]:          4 :         if (params->output != params->input) {
      69      [ -  -  + ]:          4 :             switch (params->output) {
      70                 :            :             case PL_SHADER_SIG_NONE: break;
      71                 :            :             case PL_SHADER_SIG_COLOR:
      72                 :            :                 output_decl = "vec4 color = vec4(0.0);";
      73                 :            :                 break;
      74                 :            : 
      75                 :            :             case PL_SHADER_SIG_SAMPLER:
      76                 :          0 :                 pl_unreachable();
      77                 :            :             }
      78                 :            :         }
      79                 :            : 
      80                 :          4 :         GLSL("// pl_shader_custom \n"
      81                 :            :              "%s                  \n"
      82                 :            :              "{                   \n"
      83                 :            :              "%s                  \n"
      84                 :            :              "}                   \n",
      85                 :            :              output_decl, params->body);
      86                 :            :     }
      87                 :            : 
      88                 :            :     return true;
      89                 :            : }

Generated by: LCOV version 1.16