| // Copyright 2022 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/tint/writer/spirv/generator_impl.h" |
| |
| #include <utility> |
| #include <vector> |
| |
| #include "src/tint/transform/add_empty_entry_point.h" |
| #include "src/tint/transform/add_spirv_block_attribute.h" |
| #include "src/tint/transform/builtin_polyfill.h" |
| #include "src/tint/transform/canonicalize_entry_point_io.h" |
| #include "src/tint/transform/disable_uniformity_analysis.h" |
| #include "src/tint/transform/expand_compound_assignment.h" |
| #include "src/tint/transform/for_loop_to_loop.h" |
| #include "src/tint/transform/manager.h" |
| #include "src/tint/transform/promote_side_effects_to_decl.h" |
| #include "src/tint/transform/remove_unreachable_statements.h" |
| #include "src/tint/transform/simplify_pointers.h" |
| #include "src/tint/transform/unshadow.h" |
| #include "src/tint/transform/unwind_discard_functions.h" |
| #include "src/tint/transform/var_for_dynamic_index.h" |
| #include "src/tint/transform/vectorize_scalar_matrix_constructors.h" |
| #include "src/tint/transform/while_to_loop.h" |
| #include "src/tint/transform/zero_init_workgroup_memory.h" |
| #include "src/tint/writer/generate_external_texture_bindings.h" |
| |
| namespace tint::writer::spirv { |
| |
| SanitizedResult Sanitize(const Program* in, const Options& options) { |
| transform::Manager manager; |
| transform::DataMap data; |
| |
| manager.Add<transform::DisableUniformityAnalysis>(); |
| |
| { // Builtin polyfills |
| transform::BuiltinPolyfill::Builtins polyfills; |
| polyfills.count_leading_zeros = true; |
| polyfills.count_trailing_zeros = true; |
| polyfills.extract_bits = transform::BuiltinPolyfill::Level::kClampParameters; |
| polyfills.first_leading_bit = true; |
| polyfills.first_trailing_bit = true; |
| polyfills.insert_bits = transform::BuiltinPolyfill::Level::kClampParameters; |
| data.Add<transform::BuiltinPolyfill::Config>(polyfills); |
| manager.Add<transform::BuiltinPolyfill>(); |
| } |
| |
| if (options.generate_external_texture_bindings) { |
| auto new_bindings_map = GenerateExternalTextureBindings(in); |
| data.Add<transform::MultiplanarExternalTexture::NewBindingPoints>(new_bindings_map); |
| } |
| manager.Add<transform::MultiplanarExternalTexture>(); |
| |
| manager.Add<transform::Unshadow>(); |
| bool disable_workgroup_init_in_sanitizer = |
| options.disable_workgroup_init || options.use_zero_initialize_workgroup_memory_extension; |
| if (!disable_workgroup_init_in_sanitizer) { |
| manager.Add<transform::ZeroInitWorkgroupMemory>(); |
| } |
| manager.Add<transform::RemoveUnreachableStatements>(); |
| manager.Add<transform::ExpandCompoundAssignment>(); |
| manager.Add<transform::PromoteSideEffectsToDecl>(); |
| manager.Add<transform::UnwindDiscardFunctions>(); |
| manager.Add<transform::SimplifyPointers>(); // Required for arrayLength() |
| manager.Add<transform::VectorizeScalarMatrixConstructors>(); |
| manager.Add<transform::ForLoopToLoop>(); // Must come after |
| manager.Add<transform::WhileToLoop>(); // ZeroInitWorkgroupMemory |
| manager.Add<transform::CanonicalizeEntryPointIO>(); |
| manager.Add<transform::AddEmptyEntryPoint>(); |
| manager.Add<transform::AddSpirvBlockAttribute>(); |
| manager.Add<transform::VarForDynamicIndex>(); |
| |
| data.Add<transform::CanonicalizeEntryPointIO::Config>( |
| transform::CanonicalizeEntryPointIO::Config( |
| transform::CanonicalizeEntryPointIO::ShaderStyle::kSpirv, 0xFFFFFFFF, |
| options.emit_vertex_point_size)); |
| |
| SanitizedResult result; |
| result.program = std::move(manager.Run(in, data).program); |
| return result; |
| } |
| |
| GeneratorImpl::GeneratorImpl(const Program* program, bool zero_initialize_workgroup_memory) |
| : builder_(program, zero_initialize_workgroup_memory) {} |
| |
| bool GeneratorImpl::Generate() { |
| if (builder_.Build()) { |
| writer_.WriteHeader(builder_.id_bound()); |
| writer_.WriteBuilder(&builder_); |
| return true; |
| } |
| return false; |
| } |
| |
| const std::vector<uint32_t>& GeneratorImpl::result() const { |
| return writer_.result(); |
| } |
| |
| std::vector<uint32_t>& GeneratorImpl::result() { |
| return writer_.result(); |
| } |
| |
| std::string GeneratorImpl::error() const { |
| return builder_.error(); |
| } |
| |
| } // namespace tint::writer::spirv |