141 lines
4.5 KiB
C
141 lines
4.5 KiB
C
/*
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* Copyright © 2015 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Jason Ekstrand (jason@jlekstrand.net)
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*
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*/
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#ifndef _NIR_SPIRV_H_
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#define _NIR_SPIRV_H_
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#include "util/disk_cache.h"
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#include "compiler/nir/nir.h"
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#include "compiler/shader_info.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct nir_spirv_specialization {
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uint32_t id;
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nir_const_value value;
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bool defined_on_module;
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};
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enum nir_spirv_debug_level {
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NIR_SPIRV_DEBUG_LEVEL_INVALID = -1,
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NIR_SPIRV_DEBUG_LEVEL_INFO,
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NIR_SPIRV_DEBUG_LEVEL_WARNING,
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NIR_SPIRV_DEBUG_LEVEL_ERROR,
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};
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enum nir_spirv_execution_environment {
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NIR_SPIRV_VULKAN = 0,
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NIR_SPIRV_OPENCL,
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NIR_SPIRV_OPENGL,
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};
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struct spirv_to_nir_options {
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enum nir_spirv_execution_environment environment;
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/* Whether to keep ViewIndex as an input instead of rewriting to a sysval.
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*/
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bool view_index_is_input;
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/* Create a nir library. */
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bool create_library;
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/* Whether to use nir_intrinsic_deref_buffer_array_length intrinsic instead
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* of nir_intrinsic_get_ssbo_size to lower OpArrayLength.
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*/
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bool use_deref_buffer_array_length;
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/* Initial value for shader_info::float_controls_execution_mode,
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* indicates hardware requirements rather than shader author intent
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*/
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uint16_t float_controls_execution_mode;
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/* Initial subgroup size. This may be overwritten for CL kernels */
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enum gl_subgroup_size subgroup_size;
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/* True if RelaxedPrecision-decorated ALU result values should be performed
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* with 16-bit math.
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*/
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bool mediump_16bit_alu;
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/* When mediump_16bit_alu is set, determines whether nir_op_fddx/fddy can be
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* performed in 16-bit math.
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*/
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bool mediump_16bit_derivatives;
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struct spirv_supported_capabilities caps;
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/* Address format for various kinds of pointers. */
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nir_address_format ubo_addr_format;
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nir_address_format ssbo_addr_format;
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nir_address_format phys_ssbo_addr_format;
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nir_address_format push_const_addr_format;
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nir_address_format shared_addr_format;
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nir_address_format task_payload_addr_format;
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nir_address_format global_addr_format;
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nir_address_format temp_addr_format;
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nir_address_format constant_addr_format;
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const nir_shader *clc_shader;
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struct {
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void (*func)(void *private_data,
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enum nir_spirv_debug_level level,
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size_t spirv_offset,
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const char *message);
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void *private_data;
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} debug;
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};
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bool gl_spirv_validation(const uint32_t *words, size_t word_count,
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struct nir_spirv_specialization *spec, unsigned num_spec,
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gl_shader_stage stage, const char *entry_point_name);
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nir_shader *spirv_to_nir(const uint32_t *words, size_t word_count,
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struct nir_spirv_specialization *specializations,
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unsigned num_specializations,
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gl_shader_stage stage, const char *entry_point_name,
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const struct spirv_to_nir_options *options,
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const nir_shader_compiler_options *nir_options);
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bool nir_can_find_libclc(unsigned ptr_bit_size);
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nir_shader *
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nir_load_libclc_shader(unsigned ptr_bit_size,
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struct disk_cache *disk_cache,
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const struct spirv_to_nir_options *spirv_options,
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const nir_shader_compiler_options *nir_options);
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bool nir_lower_libclc(nir_shader *shader, const nir_shader *clc_shader);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _NIR_SPIRV_H_ */
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