src/compiler/glsl/linker_util.h

   1 /*
   2  * Copyright © 2018 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #ifndef GLSL_LINKER_UTIL_H
  25 #define GLSL_LINKER_UTIL_H
  26
  27 struct gl_shader_program;
  28 struct gl_uniform_storage;
  29
  30 #ifdef __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 /**
  35  * Sometimes there are empty slots left over in UniformRemapTable after we
  36  * allocate slots to explicit locations. This struct represents a single
  37  * continouous block of empty slots in UniformRemapTable.
  38  */
  39 struct empty_uniform_block {
  40    struct exec_node link;
  41    /* The start location of the block */
  42    unsigned start;
  43    /* The number of slots in the block */
  44    unsigned slots;
  45 };
  46
  47 void
  48 linker_error(struct gl_shader_program *prog, const char *fmt, ...);
  49
  50 void
  51 linker_warning(struct gl_shader_program *prog, const char *fmt, ...);
  52
  53 bool
  54 link_util_should_add_buffer_variable(struct gl_shader_program *prog,
  55                                      struct gl_uniform_storage *uniform,
  56                                      int top_level_array_base_offset,
  57                                      int top_level_array_size_in_bytes,
  58                                      int second_element_offset,
  59                                      int block_index);
  60
  61 bool
  62 link_util_add_program_resource(struct gl_shader_program *prog,
  63                                struct set *resource_set,
  64                                GLenum type, const void *data, uint8_t stages);
  65
  66 int
  67 link_util_find_empty_block(struct gl_shader_program *prog,
  68                            struct gl_uniform_storage *uniform);
  69
  70 void
  71 link_util_update_empty_uniform_locations(struct gl_shader_program *prog);
  72
  73 #ifdef __cplusplus
  74 }
  75 #endif
  76
  77 #endif /* GLSL_LINKER_UTIL_H */