src/mesa/main/spirv_extensions.h

   1 /*
   2  * Copyright 2017 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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /**
  25  * \file
  26  * \brief SPIRV-V extension handling. See ARB_spirv_extensions
  27  */
  28
  29 #ifndef _SPIRVEXTENSIONS_H_
  30 #define _SPIRVEXTENSIONS_H_
  31
  32 #include "mtypes.h"
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 enum SpvExtension {
  39    SPV_KHR_16bit_storage = 0,
  40    SPV_KHR_device_group,
  41    SPV_KHR_multiview,
  42    SPV_KHR_shader_ballot,
  43    SPV_KHR_shader_draw_parameters,
  44    SPV_KHR_storage_buffer_storage_class,
  45    SPV_KHR_subgroup_vote,
  46    SPV_KHR_variable_pointers,
  47    SPV_AMD_gcn_shader,
  48    SPV_EXTENSIONS_COUNT
  49 };
  50
  51 struct spirv_supported_extensions {
  52    /** Flags the supported extensions. Array to make it easier to iterate. */
  53    bool supported[SPV_EXTENSIONS_COUNT];
  54
  55    /** Number of supported extensions */
  56    unsigned int count;
  57 };
  58
  59 extern GLuint
  60 _mesa_get_spirv_extension_count(struct gl_context *ctx);
  61
  62 extern const GLubyte *
  63 _mesa_get_enabled_spirv_extension(struct gl_context *ctx,
  64                                   GLuint index);
  65
  66 const char *_mesa_spirv_extensions_to_string(enum SpvExtension ext);
  67
  68 void _mesa_fill_supported_spirv_extensions(struct spirv_supported_extensions *ext,
  69                                            const struct spirv_supported_capabilities *cap);
  70
  71 #ifdef __cplusplus
  72 }
  73 #endif
  74
  75 #endif /* SPIRVEXTENSIONS_H */