blob: e340bcf015c153d6ad3f4ffa6ca9c6d682a33068 [file] [edit]
// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/msl/writer/raise/raise.h"
#include <algorithm>
#include <utility>
#include "src/tint/api/common/binding_point.h"
#include "src/tint/lang/core/ir/module.h"
#include "src/tint/lang/core/ir/transform/array_length_from.h"
#include "src/tint/lang/core/ir/transform/binary_polyfill.h"
#include "src/tint/lang/core/ir/transform/binding_remapper.h"
#include "src/tint/lang/core/ir/transform/builtin_polyfill.h"
#include "src/tint/lang/core/ir/transform/builtin_scalarize.h"
#include "src/tint/lang/core/ir/transform/change_immediate_to_uniform.h"
#include "src/tint/lang/core/ir/transform/collapse_subgroup_min_max.h"
#include "src/tint/lang/core/ir/transform/conversion_polyfill.h"
#include "src/tint/lang/core/ir/transform/demote_to_helper.h"
#include "src/tint/lang/core/ir/transform/multiplanar_external_texture.h"
#include "src/tint/lang/core/ir/transform/prepare_immediate_data.h"
#include "src/tint/lang/core/ir/transform/preserve_padding.h"
#include "src/tint/lang/core/ir/transform/prevent_infinite_loops.h"
#include "src/tint/lang/core/ir/transform/propagate_buffer_sizes.h"
#include "src/tint/lang/core/ir/transform/remove_continue_in_switch.h"
#include "src/tint/lang/core/ir/transform/remove_terminator_args.h"
#include "src/tint/lang/core/ir/transform/rename_conflicts.h"
#include "src/tint/lang/core/ir/transform/robustness.h"
#include "src/tint/lang/core/ir/transform/signed_integer_polyfill.h"
#include "src/tint/lang/core/ir/transform/single_entry_point.h"
#include "src/tint/lang/core/ir/transform/substitute_overrides.h"
#include "src/tint/lang/core/ir/transform/value_to_let.h"
#include "src/tint/lang/core/ir/transform/vectorize_scalar_matrix_constructors.h"
#include "src/tint/lang/core/ir/transform/vertex_pulling.h"
#include "src/tint/lang/core/ir/transform/zero_init_workgroup_memory.h"
#include "src/tint/lang/core/type/array.h"
#include "src/tint/lang/core/type/f32.h"
#include "src/tint/lang/core/type/u32.h"
#include "src/tint/lang/core/type/vector.h"
#include "src/tint/lang/msl/writer/common/option_helpers.h"
#include "src/tint/lang/msl/writer/raise/argument_buffers.h"
#include "src/tint/lang/msl/writer/raise/binary_polyfill.h"
#include "src/tint/lang/msl/writer/raise/builtin_polyfill.h"
#include "src/tint/lang/msl/writer/raise/convert_print_to_log.h"
#include "src/tint/lang/msl/writer/raise/decompose_buffer.h"
#include "src/tint/lang/msl/writer/raise/fix_type_layout.h"
#include "src/tint/lang/msl/writer/raise/module_constant.h"
#include "src/tint/lang/msl/writer/raise/module_scope_vars.h"
#include "src/tint/lang/msl/writer/raise/shader_io.h"
#include "src/tint/lang/msl/writer/raise/simd_ballot.h"
#include "src/tint/lang/msl/writer/raise/validate_subgroup_matrix.h"
namespace tint::msl::writer {
Result<RaiseResult> Raise(core::ir::Module& module, const Options& options) {
TINT_CHECK_RESULT(core::ir::transform::SingleEntryPoint(module, options.entry_point_name));
TINT_CHECK_RESULT(
core::ir::transform::SubstituteOverrides(module, options.substitute_overrides_config));
TINT_CHECK_RESULT(raise::ValidateSubgroupMatrix(module));
if (options.workarounds.collapse_subgroup_min_max) {
TINT_CHECK_RESULT(core::ir::transform::CollapseSubgroupMinMax(module));
}
RaiseResult raise_result;
// VertexPulling must come before BindingRemapper and Robustness.
if (options.vertex_pulling_config) {
TINT_CHECK_RESULT(
core::ir::transform::VertexPulling(module, *options.vertex_pulling_config));
}
// Populate binding-related options before prepare immediate data transform
// to ensure buffer_sizes is set correctly.
tint::transform::multiplanar::BindingsMap multiplanar_map{};
RemapperData remapper_data{};
ArrayLengthOptions array_length_from_constants{};
PopulateBindingRelatedOptions(options, remapper_data, multiplanar_map,
array_length_from_constants);
// The number of vec4s used to store buffer sizes that will be set into the immediate block.
uint32_t buffer_sizes_array_elements_num = 0;
// PrepareImmediateData must come before any transform that needs internal immediates.
core::ir::transform::PrepareImmediateDataConfig immediate_data_config;
if (array_length_from_constants.buffer_sizes_offset) {
// Find the largest index declared in the map, in order to determine the number of
// elements needed in the array of buffer sizes. The buffer sizes will be packed into
// vec4s to satisfy the 16-byte alignment requirement for array elements in uniform
// buffers.
uint32_t max_index = 0;
for (auto& entry : array_length_from_constants.bindpoint_to_size_index) {
max_index = std::max(max_index, entry.second);
}
buffer_sizes_array_elements_num = (max_index / 4) + 1;
TINT_CHECK_RESULT(immediate_data_config.AddInternalImmediateData(
array_length_from_constants.buffer_sizes_offset.value(),
module.symbols.New("tint_storage_buffer_sizes"),
module.Types().array(module.Types().vec4<core::u32>(),
buffer_sizes_array_elements_num)));
}
if (options.depth_range_offsets) {
TINT_CHECK_RESULT(immediate_data_config.AddInternalImmediateData(
options.depth_range_offsets.value().min, module.symbols.New("tint_frag_depth_min"),
module.Types().f32()));
TINT_CHECK_RESULT(immediate_data_config.AddInternalImmediateData(
options.depth_range_offsets.value().max, module.symbols.New("tint_frag_depth_max"),
module.Types().f32()));
}
TINT_CHECK_RESULT_UNWRAP(immediate_data_layout, core::ir::transform::PrepareImmediateData(
module, immediate_data_config));
TINT_CHECK_RESULT(core::ir::transform::BindingRemapper(module, remapper_data));
// Must come before robustness.
TINT_CHECK_RESULT(core::ir::transform::PropagateBufferSizes(module));
if (!options.disable_robustness) {
core::ir::transform::RobustnessConfig config{};
config.use_integer_range_analysis = !options.disable_integer_range_analysis;
TINT_CHECK_RESULT(core::ir::transform::Robustness(module, config));
TINT_CHECK_RESULT(core::ir::transform::PreventInfiniteLoops(module));
}
{
core::ir::transform::BinaryPolyfillConfig binary_polyfills{};
binary_polyfills.int_div_mod = !options.disable_polyfill_integer_div_mod;
binary_polyfills.bitshift_modulo = true; // crbug.com/tint/1543
TINT_CHECK_RESULT(core::ir::transform::BinaryPolyfill(module, binary_polyfills));
}
{
core::ir::transform::BuiltinPolyfillConfig core_polyfills{
.clamp_int = true,
.clamp_float = options.workarounds.polyfill_clamp_float,
.abs_signed_int = true,
.degrees = true,
.extract_bits = core::ir::transform::BuiltinPolyfillLevel::kClampOrRangeCheck,
.fwidth_fine = true,
.insert_bits = core::ir::transform::BuiltinPolyfillLevel::kClampOrRangeCheck,
.radians = true,
.texture_sample_base_clamp_to_edge_2d_f32 = true,
.dot_4x8_packed = true,
.pack_unpack_4x8 = true,
.pack_4xu8_clamp = true,
.subgroup_broadcast_f16 = options.workarounds.polyfill_subgroup_broadcast_f16,
};
TINT_CHECK_RESULT(core::ir::transform::BuiltinPolyfill(module, core_polyfills));
}
{
core::ir::transform::ConversionPolyfillConfig conversion_polyfills;
conversion_polyfills.ftoi = true;
TINT_CHECK_RESULT(core::ir::transform::ConversionPolyfill(module, conversion_polyfills));
}
TINT_CHECK_RESULT(core::ir::transform::MultiplanarExternalTexture(module, multiplanar_map));
// TODO(crbug.com/366291600): Replace ArrayLengthFromUniform with ArrayLengthFromImmediates
if (array_length_from_constants.ubo_binding) {
TINT_CHECK_RESULT_UNWRAP(
array_length_from_uniform_result,
core::ir::transform::ArrayLengthFromUniform(
module, BindingPoint{0u, array_length_from_constants.ubo_binding.value()},
array_length_from_constants.bindpoint_to_size_index));
raise_result.needs_storage_buffer_sizes =
array_length_from_uniform_result.needs_storage_buffer_sizes;
}
if (array_length_from_constants.buffer_sizes_offset) {
TINT_IR_ASSERT(module, !array_length_from_constants.ubo_binding);
TINT_CHECK_RESULT_UNWRAP(array_length_from_immediate_result,
core::ir::transform::ArrayLengthFromImmediates(
module, immediate_data_layout,
array_length_from_constants.buffer_sizes_offset.value(),
buffer_sizes_array_elements_num,
array_length_from_constants.bindpoint_to_size_index));
raise_result.needs_storage_buffer_sizes =
array_length_from_immediate_result.needs_storage_buffer_sizes;
}
TINT_CHECK_RESULT(raise::DecomposeBuffer(module));
if (!options.disable_workgroup_init) {
TINT_CHECK_RESULT(core::ir::transform::ZeroInitWorkgroupMemory(module));
}
TINT_CHECK_RESULT(core::ir::transform::PreservePadding(module));
TINT_CHECK_RESULT(core::ir::transform::VectorizeScalarMatrixConstructors(module));
TINT_CHECK_RESULT(core::ir::transform::RemoveContinueInSwitch(module));
// DemoteToHelper must come before any transform that introduces non-core instructions.
if (!options.extensions.disable_demote_to_helper) {
TINT_CHECK_RESULT(core::ir::transform::DemoteToHelper(module));
}
// ConvertPrintToLog must come before ShaderIO as it may introduce entry point builtins.
TINT_CHECK_RESULT(raise::ConvertPrintToLog(module));
TINT_CHECK_RESULT(raise::ShaderIO(
module, raise::ShaderIOConfig{immediate_data_layout, options.emit_vertex_point_size,
options.fixed_sample_mask, options.depth_range_offsets}));
raise::FixTypeLayoutOptions fix_type_layout_options{
.replace_bool_with_u32 = options.workarounds.replace_workgroup_bool_with_u32,
};
TINT_CHECK_RESULT(raise::FixTypeLayout(module, fix_type_layout_options));
TINT_CHECK_RESULT(raise::SimdBallot(module));
// ArgumentBuffers must come before ModuleScopeVars
if (options.use_argument_buffers) {
raise::ArgumentBuffersConfig cfg{
.group_to_argument_buffer_info = std::move(options.group_to_argument_buffer_info),
};
if (options.immediate_binding_point) {
cfg.skip_bindings.insert(options.immediate_binding_point.value());
}
if (array_length_from_constants.ubo_binding) {
cfg.skip_bindings.insert(
BindingPoint{0u, array_length_from_constants.ubo_binding.value()});
}
if (options.vertex_pulling_config) {
auto group = options.vertex_pulling_config->pulling_group;
for (uint32_t i = 0; i < options.vertex_pulling_config->vertex_state.size(); ++i) {
BindingPoint bp{group, i};
auto iter = remapper_data.find(bp);
if (iter != remapper_data.end()) {
bp = iter->second;
}
cfg.skip_bindings.insert(bp);
}
}
TINT_CHECK_RESULT(raise::ArgumentBuffers(module, cfg));
}
// ChangeImmediateToUniform must come before ModuleScopeVars
{
core::ir::transform::ChangeImmediateToUniformConfig config = {
.immediate_binding_point = options.immediate_binding_point,
};
TINT_CHECK_RESULT(core::ir::transform::ChangeImmediateToUniform(module, config));
}
TINT_CHECK_RESULT(raise::ModuleScopeVars(module));
{
raise::BinaryPolyfillConfig config{
.fix_u32_div_mod = options.workarounds.fix_u32_div_mod,
};
TINT_CHECK_RESULT(raise::BinaryPolyfill(module, config));
}
TINT_CHECK_RESULT(raise::BuiltinPolyfill(
module, {
.polyfill_unpack_2x16_snorm = options.workarounds.polyfill_unpack_2x16_snorm,
.polyfill_unpack_2x16_unorm = options.workarounds.polyfill_unpack_2x16_unorm,
.polyfill_tanh_f16 = options.workarounds.polyfill_tanh_f16,
}));
// After 'BuiltinPolyfill' as that transform can introduce signed dot products.
core::ir::transform::SignedIntegerPolyfillConfig signed_integer_cfg{
.signed_negation = true, .signed_arithmetic = true, .signed_shiftleft = true};
TINT_CHECK_RESULT(core::ir::transform::SignedIntegerPolyfill(module, signed_integer_cfg));
core::ir::transform::BuiltinScalarizeConfig scalarize_config{
.scalarize_min_max_clamp = options.workarounds.scalarize_max_min_clamp,
};
TINT_CHECK_RESULT(core::ir::transform::BuiltinScalarize(module, scalarize_config));
raise::ModuleConstantConfig module_const_config{
options.workarounds.disable_module_constant_f16};
TINT_CHECK_RESULT(raise::ModuleConstant(module, module_const_config));
// These transforms need to be run last as various transforms introduce terminator arguments,
// naming conflicts, and expressions that need to be explicitly not inlined.
TINT_CHECK_RESULT(core::ir::transform::RemoveTerminatorArgs(module));
TINT_CHECK_RESULT(core::ir::transform::RenameConflicts(module));
{
core::ir::transform::ValueToLetConfig cfg;
TINT_CHECK_RESULT(core::ir::transform::ValueToLet(module, cfg));
}
return raise_result;
}
} // namespace tint::msl::writer