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/*
* Copyright © 2015 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
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Jason Ekstrand (jason@jlekstrand.net)
*
*/
#ifndef _NIR_SPIRV_H_
#define _NIR_SPIRV_H_
#include "compiler/nir/nir.h"
#include "compiler/shader_info.h"
#ifdef __cplusplus
extern "C" {
#endif
struct nir_spirv_specialization {
uint32_t id;
union {
uint32_t data32;
uint64_t data64;
};
bool defined_on_module;
};
enum nir_spirv_debug_level {
NIR_SPIRV_DEBUG_LEVEL_INFO,
NIR_SPIRV_DEBUG_LEVEL_WARNING,
NIR_SPIRV_DEBUG_LEVEL_ERROR,
};
enum nir_spirv_execution_environment {
NIR_SPIRV_VULKAN = 0,
NIR_SPIRV_OPENCL,
NIR_SPIRV_OPENGL,
};
struct spirv_to_nir_options {
enum nir_spirv_execution_environment environment;
/* Whether or not to lower all UBO/SSBO access to offsets up-front. */
bool lower_ubo_ssbo_access_to_offsets;
/* Whether to make FragCoord to a system value, the same as
* GLSLFragCoordIsSysVal in GLSL.
*/
bool frag_coord_is_sysval;
/* Whether to generate only scoped_memory_barrier intrinsics instead of the
* set of memory barrier intrinsics based on GLSL.
*/
bool use_scoped_memory_barrier;
struct spirv_supported_capabilities caps;
/* Address format for various kinds of pointers. */
nir_address_format ubo_addr_format;
nir_address_format ssbo_addr_format;
nir_address_format phys_ssbo_addr_format;
nir_address_format push_const_addr_format;
nir_address_format shared_addr_format;
nir_address_format global_addr_format;
nir_address_format temp_addr_format;
struct {
void (*func)(void *private_data,
enum nir_spirv_debug_level level,
size_t spirv_offset,
const char *message);
void *private_data;
} debug;
};
bool gl_spirv_validation(const uint32_t *words, size_t word_count,
struct nir_spirv_specialization *spec, unsigned num_spec,
gl_shader_stage stage, const char *entry_point_name);
nir_shader *spirv_to_nir(const uint32_t *words, size_t word_count,
struct nir_spirv_specialization *specializations,
unsigned num_specializations,
gl_shader_stage stage, const char *entry_point_name,
const struct spirv_to_nir_options *options,
const nir_shader_compiler_options *nir_options);
#ifdef __cplusplus
}
#endif
#endif /* _NIR_SPIRV_H_ */
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