src/compiler/glsl/gl_nir_linker.c

   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 DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include "nir.h"
  25 #include "gl_nir_linker.h"
  26 #include "linker_util.h"
  27 #include "main/mtypes.h"
  28 #include "ir_uniform.h" /* for gl_uniform_storage */
  29
  30 /* This file included general link methods, using NIR, instead of IR as
  31  * the counter-part glsl/linker.cpp
  32  *
  33  * Also note that this is tailored for ARB_gl_spirv needs and particularities
  34  */
  35
  36 void
  37 nir_build_program_resource_list(struct gl_context *ctx,
  38                                 struct gl_shader_program *prog)
  39 {
  40    /* Rebuild resource list. */
  41    if (prog->data->ProgramResourceList) {
  42       ralloc_free(prog->data->ProgramResourceList);
  43       prog->data->ProgramResourceList = NULL;
  44       prog->data->NumProgramResourceList = 0;
  45    }
  46
  47    struct set *resource_set = _mesa_pointer_set_create(NULL);
  48
  49    /* Add uniforms
  50     *
  51     * Here, it is expected that nir_link_uniforms() has already been
  52     * called, so that UniformStorage table is already available.
  53     */
  54    for (unsigned i = 0; i < prog->data->NumUniformStorage; i++) {
  55       struct gl_uniform_storage *uniform = &prog->data->UniformStorage[i];
  56
  57       /* Do not add uniforms internally used by Mesa. */
  58       if (uniform->hidden)
  59          continue;
  60
  61       if (!link_util_add_program_resource(prog, resource_set, GL_UNIFORM, uniform,
  62                                           uniform->active_shader_mask)) {
  63          return;
  64       }
  65    }
  66
  67
  68    _mesa_set_destroy(resource_set, NULL);
  69 }