mirror of https://gitlab.freedesktop.org/mesa/mesa
65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/*
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* Copyright (C) 2020 Collabora, Ltd.
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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 (Collabora):
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* Italo Nicola <italonicola@collabora.com>
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*/
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#include "compiler/nir/nir.h"
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#include "compiler/nir/nir_builder.h"
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#include "midgard_nir.h"
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static bool
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nir_lower_image_bitsize(nir_builder *b, nir_intrinsic_instr *intr,
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UNUSED void *data)
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{
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switch (intr->intrinsic) {
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case nir_intrinsic_image_load:
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case nir_intrinsic_image_store:
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case nir_intrinsic_image_texel_address:
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break;
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default:
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return false;
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}
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if (nir_src_bit_size(intr->src[1]) == 16)
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return false;
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b->cursor = nir_before_instr(&intr->instr);
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nir_def *coord = intr->src[1].ssa;
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nir_def *coord16 = nir_u2u16(b, coord);
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nir_src_rewrite(&intr->src[1], coord16);
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return true;
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}
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bool
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midgard_nir_lower_image_bitsize(nir_shader *shader)
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{
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return nir_shader_intrinsics_pass(
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shader, nir_lower_image_bitsize,
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nir_metadata_block_index | nir_metadata_dominance, NULL);
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}
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