src/mesa/main/spirv_extensions.h

/*
 * Copyright 2017 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * on the rights to use, copy, modify, merge, publish, distribute, sub
 * license, and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/**
 * \file
 * \brief SPIRV-V extension handling. See ARB_spirv_extensions
 */

#ifndef _SPIRVEXTENSIONS_H_
#define _SPIRVEXTENSIONS_H_

#include "mtypes.h"

#ifdef __cplusplus
extern "C" {
#endif

enum SpvExtension {
   SPV_KHR_16bit_storage = 0,
   SPV_KHR_device_group,
   SPV_KHR_multiview,
   SPV_KHR_shader_ballot,
   SPV_KHR_shader_draw_parameters,
   SPV_KHR_storage_buffer_storage_class,
   SPV_KHR_subgroup_vote,
   SPV_KHR_variable_pointers,
   SPV_AMD_gcn_shader,
   SPV_EXTENSIONS_COUNT
};

struct spirv_supported_extensions {
   /** Flags the supported extensions. Array to make it easier to iterate. */
   bool supported[SPV_EXTENSIONS_COUNT];

   /** Number of supported extensions */
   unsigned int count;
};

extern GLuint
_mesa_get_spirv_extension_count(struct gl_context *ctx);

extern const GLubyte *
_mesa_get_enabled_spirv_extension(struct gl_context *ctx,
                                  GLuint index);

const char *_mesa_spirv_extensions_to_string(enum SpvExtension ext);

void _mesa_fill_supported_spirv_extensions(struct spirv_supported_extensions *ext,
                                           const struct spirv_supported_capabilities *cap);

#ifdef __cplusplus
}
#endif

#endif /* SPIRVEXTENSIONS_H */