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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 "util/disk_cache.h"
#include "compiler/nir/nir.h"
#include "compiler/shader_info.h"
#ifdef __cplusplus
extern "C" {
#endif
struct nir_spirv_specialization {
uint32_t id;
nir_const_value value;
bool defined_on_module;
};
enum nir_spirv_debug_level {
NIR_SPIRV_DEBUG_LEVEL_INVALID = -1,
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 to keep ViewIndex as an input instead of rewriting to a sysval.
*/
bool view_index_is_input;
/* Create a nir library. */
bool create_library;
/* Whether to use nir_intrinsic_deref_buffer_array_length intrinsic instead
* of nir_intrinsic_get_ssbo_size to lower OpArrayLength.
*/
bool use_deref_buffer_array_length;
/* Initial value for shader_info::float_controls_execution_mode,
* indicates hardware requirements rather than shader author intent
*/
uint16_t float_controls_execution_mode;
/* Initial subgroup size. This may be overwritten for CL kernels */
enum gl_subgroup_size subgroup_size;
/* True if RelaxedPrecision-decorated ALU result values should be performed
* with 16-bit math.
*/
bool mediump_16bit_alu;
/* When mediump_16bit_alu is set, determines whether nir_op_fddx/fddy can be
* performed in 16-bit math.
*/
bool mediump_16bit_derivatives;
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 task_payload_addr_format;
nir_address_format global_addr_format;
nir_address_format temp_addr_format;
nir_address_format constant_addr_format;
/** Minimum UBO alignment.
*
* This should match VkPhysicalDeviceLimits::minUniformBufferOffsetAlignment
*/
uint32_t min_ubo_alignment;
/** Minimum SSBO alignment.
*
* This should match VkPhysicalDeviceLimits::minStorageBufferOffsetAlignment
*/
uint32_t min_ssbo_alignment;
const nir_shader *clc_shader;
struct {
void (*func)(void *private_data,
enum nir_spirv_debug_level level,
size_t spirv_offset,
const char *message);
void *private_data;
} debug;
/* Force texture sampling to be non-uniform. */
bool force_tex_non_uniform;
};
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);
bool nir_can_find_libclc(unsigned ptr_bit_size);
nir_shader *
nir_load_libclc_shader(unsigned ptr_bit_size,
struct disk_cache *disk_cache,
const struct spirv_to_nir_options *spirv_options,
const nir_shader_compiler_options *nir_options);
bool nir_lower_libclc(nir_shader *shader, const nir_shader *clc_shader);
#ifdef __cplusplus
}
#endif
#endif /* _NIR_SPIRV_H_ */
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