4c2422067b
Here we also make use of the UseSTD430AsDefaultPacking constant and call the new get_internal_ifc_packing() helper. Reviewed-by: Marek Olšák <marek.olsak@amd.com>
69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
/*
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* Copyright (c) 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
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* DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file lower_buffer_access.h
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*
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* Helper for IR lowering pass to replace dereferences of buffer object based
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* shader variables with intrinsic function calls.
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*
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* This helper is used by lowering passes for UBOs, SSBOs and compute shader
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* shared variables.
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*/
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#ifndef LOWER_BUFFER_ACCESS_H
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#define LOWER_BUFFER_ACCESS_H
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#include "ir.h"
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#include "ir_rvalue_visitor.h"
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namespace lower_buffer_access {
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class lower_buffer_access : public ir_rvalue_enter_visitor {
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public:
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virtual void
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insert_buffer_access(void *mem_ctx, ir_dereference *deref,
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const glsl_type *type, ir_rvalue *offset,
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unsigned mask, int channel) = 0;
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void emit_access(void *mem_ctx, bool is_write, ir_dereference *deref,
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ir_variable *base_offset, unsigned int deref_offset,
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bool row_major, int matrix_columns,
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unsigned int packing, unsigned int write_mask);
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bool is_dereferenced_thing_row_major(const ir_rvalue *deref);
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void setup_buffer_access(void *mem_ctx, ir_rvalue *deref,
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ir_rvalue **offset, unsigned *const_offset,
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bool *row_major, int *matrix_columns,
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const glsl_struct_field **struct_field,
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enum glsl_interface_packing packing);
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protected:
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bool use_std430_as_default;
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};
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} /* namespace lower_buffer_access */
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#endif /* LOWER_BUFFER_ACCESS_H */
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