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 "nir/nir.h"
  32
  33 #ifdef __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 struct nir_spirv_specialization {
  38    uint32_t id;
  39    union {
  40       uint32_t data32;
  41       uint64_t data64;
  42    };
  43 };
  44
  45 enum nir_spirv_debug_level {
  46    NIR_SPIRV_DEBUG_LEVEL_INFO,
  47    NIR_SPIRV_DEBUG_LEVEL_WARNING,
  48    NIR_SPIRV_DEBUG_LEVEL_ERROR,
  49 };
  50
  51 struct spirv_to_nir_options {
  52    struct {
  53       bool float64;
  54       bool image_ms_array;
  55       bool tessellation;
  56       bool draw_parameters;
  57       bool image_read_without_format;
  58       bool image_write_without_format;
  59       bool int64;
  60       bool multiview;
  61       bool variable_pointers;
  62    } caps;
  63
  64    struct {
  65       void (*func)(void *private_data,
  66                    enum nir_spirv_debug_level level,
  67                    size_t spirv_offset,
  68                    const char *message);
  69       void *private_data;
  70    } debug;
  71 };
  72
  73 nir_function *spirv_to_nir(const uint32_t *words, size_t word_count,
  74                            struct nir_spirv_specialization *specializations,
  75                            unsigned num_specializations,
  76                            gl_shader_stage stage, const char *entry_point_name,
  77                            const struct spirv_to_nir_options *options,
  78                            const nir_shader_compiler_options *nir_options);
  79
  80 #ifdef __cplusplus
  81 }
  82 #endif
  83
  84 #endif /* _NIR_SPIRV_H_ */