mirror of https://gitlab.freedesktop.org/mesa/mesa
77 lines
3.0 KiB
C
77 lines
3.0 KiB
C
/*
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* Copyright © 2020 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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#ifndef BRW_NIR_RT_H
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#define BRW_NIR_RT_H
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#include "brw_nir.h"
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#include "brw_rt.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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void brw_nir_lower_raygen(nir_shader *nir);
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void brw_nir_lower_any_hit(nir_shader *nir,
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const struct intel_device_info *devinfo);
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void brw_nir_lower_closest_hit(nir_shader *nir);
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void brw_nir_lower_miss(nir_shader *nir);
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void brw_nir_lower_callable(nir_shader *nir);
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void brw_nir_lower_combined_intersection_any_hit(nir_shader *intersection,
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const nir_shader *any_hit,
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const struct intel_device_info *devinfo);
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/* We reserve the first 16B of the stack for callee data pointers */
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#define BRW_BTD_STACK_RESUME_BSR_ADDR_OFFSET 0
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#define BRW_BTD_STACK_CALL_DATA_PTR_OFFSET 8
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#define BRW_BTD_STACK_CALLEE_DATA_SIZE 16
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/* We require the stack to be 8B aligned at the start of a shader */
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#define BRW_BTD_STACK_ALIGN 8
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bool brw_nir_lower_ray_queries(nir_shader *shader,
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const struct intel_device_info *devinfo);
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void brw_nir_lower_shader_returns(nir_shader *shader);
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bool brw_nir_lower_shader_calls(nir_shader *shader, struct brw_bs_prog_key *key);
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void brw_nir_lower_rt_intrinsics(nir_shader *shader,
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const struct intel_device_info *devinfo);
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void brw_nir_lower_intersection_shader(nir_shader *intersection,
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const nir_shader *any_hit,
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const struct intel_device_info *devinfo);
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nir_shader *
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brw_nir_create_raygen_trampoline(const struct brw_compiler *compiler,
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void *mem_ctx);
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nir_shader *
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brw_nir_create_trivial_return_shader(const struct brw_compiler *compiler,
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void *mem_ctx);
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#ifdef __cplusplus
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}
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#endif
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#endif /* BRW_NIR_RT_H */
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