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      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 */
     76