src/compiler/spirv/nir_spirv.h

   1 /*
   2  * Copyright © 2015 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  * Authors:
  24  *    Jason Ekstrand (jason@jlekstrand.net)
  25  *
  26  */
  27
  28 #ifndef _NIR_SPIRV_H_
  29 #define _NIR_SPIRV_H_
  30
  31 #include "compiler/nir/nir.h"
  32 #include "main/mtypes.h"
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 struct nir_spirv_specialization {
  39    uint32_t id;
  40    union {
  41       uint32_t data32;
  42       uint64_t data64;
  43    };
  44 };
  45
  46 enum nir_spirv_debug_level {
  47    NIR_SPIRV_DEBUG_LEVEL_INFO,
  48    NIR_SPIRV_DEBUG_LEVEL_WARNING,
  49    NIR_SPIRV_DEBUG_LEVEL_ERROR,
  50 };
  51
  52 struct spirv_to_nir_options {
  53    /* Whether or not to lower all workgroup variable access to offsets
  54     * up-front.  This means you will _shared intrinsics instead of _var
  55     * for workgroup data access.
  56     *
  57     * This is currently required for full variable pointers support.
  58     */
  59    bool lower_workgroup_access_to_offsets;
  60
  61    struct nir_spirv_supported_capabilities caps;
  62
  63    struct {
  64       void (*func)(void *private_data,
  65                    enum nir_spirv_debug_level level,
  66                    size_t spirv_offset,
  67                    const char *message);
  68       void *private_data;
  69    } debug;
  70 };
  71
  72 nir_function *spirv_to_nir(const uint32_t *words, size_t word_count,
  73                            struct nir_spirv_specialization *specializations,
  74                            unsigned num_specializations,
  75                            gl_shader_stage stage, const char *entry_point_name,
  76                            const struct spirv_to_nir_options *options,
  77                            const nir_shader_compiler_options *nir_options);
  78
  79 #ifdef __cplusplus
  80 }
  81 #endif
  82
  83 #endif /* _NIR_SPIRV_H_ */