mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2025-12-24 04:30:10 +01:00
09d31922de
Everything is SSA now.
sed -e 's/nir_ssa_def/nir_def/g' \
-e 's/nir_ssa_undef/nir_undef/g' \
-e 's/nir_ssa_scalar/nir_scalar/g' \
-e 's/nir_src_rewrite_ssa/nir_src_rewrite/g' \
-e 's/nir_gather_ssa_types/nir_gather_types/g' \
-i $(git grep -l nir | grep -v relnotes)
git mv src/compiler/nir/nir_gather_ssa_types.c \
src/compiler/nir/nir_gather_types.c
ninja -C build/ clang-format
cd src/compiler/nir && find *.c *.h -type f -exec clang-format -i \{} \;
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Acked-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Acked-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24585>
115 lines
3.7 KiB
C
115 lines
3.7 KiB
C
/*
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* Copyright © 2019 Red Hat Inc.
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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
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*
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* Lower image operations by turning the image_deref_* into a image_* on an
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* index number or bindless_image_* intrinsic on a load_deref of the previous
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* deref source. All applicable indicies are also set so that fetching the
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* variable in the backend wouldn't be needed anymore.
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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 "compiler/nir/nir_deref.h"
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#include "compiler/glsl/gl_nir.h"
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static void
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type_size_align_1(const struct glsl_type *type, unsigned *size, unsigned *align)
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{
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unsigned s;
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if (glsl_type_is_array(type))
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s = glsl_get_aoa_size(type);
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else
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s = 1;
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*size = s;
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*align = s;
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}
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static bool
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lower_instr(nir_builder *b, nir_instr *instr, void *cb_data)
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{
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if (instr->type != nir_instr_type_intrinsic)
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return false;
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bool bindless_only = *(bool *)cb_data;
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nir_intrinsic_instr *intrinsic = nir_instr_as_intrinsic(instr);
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nir_deref_instr *deref;
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nir_variable *var;
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switch (intrinsic->intrinsic) {
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case nir_intrinsic_image_deref_atomic:
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case nir_intrinsic_image_deref_atomic_swap:
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case nir_intrinsic_image_deref_load:
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case nir_intrinsic_image_deref_samples:
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case nir_intrinsic_image_deref_size:
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case nir_intrinsic_image_deref_samples_identical:
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case nir_intrinsic_image_deref_descriptor_amd:
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case nir_intrinsic_image_deref_store: {
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deref = nir_src_as_deref(intrinsic->src[0]);
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var = nir_deref_instr_get_variable(deref);
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break;
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}
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default:
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return false;
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}
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bool bindless = var->data.mode != nir_var_image || var->data.bindless;
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if (bindless_only && !bindless)
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return false;
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b->cursor = nir_before_instr(instr);
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nir_def *src;
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int range_base = 0;
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if (bindless) {
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src = nir_load_deref(b, deref);
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} else if (b->shader->options->lower_image_offset_to_range_base) {
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src = nir_build_deref_offset(b, deref, type_size_align_1);
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range_base = var->data.driver_location;
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} else {
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src = nir_iadd_imm(b,
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nir_build_deref_offset(b, deref, type_size_align_1),
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var->data.driver_location);
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}
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nir_rewrite_image_intrinsic(intrinsic, src, bindless);
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if (!bindless)
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nir_intrinsic_set_range_base(intrinsic, range_base);
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return true;
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}
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bool
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gl_nir_lower_images(nir_shader *shader, bool bindless_only)
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{
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return nir_shader_instructions_pass(shader, lower_instr,
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nir_metadata_block_index |
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nir_metadata_dominance,
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&bindless_only);
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}
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