109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/*
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* Copyright 2016-2017 Robert Konrad
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SPIRV_HLSL_HPP
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#define SPIRV_HLSL_HPP
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#include "spirv_glsl.hpp"
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#include <utility>
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#include <vector>
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namespace spirv_cross
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{
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class CompilerHLSL : public CompilerGLSL
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{
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public:
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struct Options
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{
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uint32_t shader_model = 30; // TODO: map ps_4_0_level_9_0,... somehow
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bool fixup_clipspace = false;
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bool flip_vert_y = false;
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// Allows the PointSize builtin, and ignores it, as PointSize is not supported in HLSL.
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bool point_size_compat = false;
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};
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CompilerHLSL(std::vector<uint32_t> spirv_)
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: CompilerGLSL(move(spirv_))
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{
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}
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CompilerHLSL(const uint32_t *ir, size_t size)
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: CompilerGLSL(ir, size)
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{
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}
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const Options &get_options() const
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{
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return options;
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}
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void set_options(Options &opts)
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{
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options = opts;
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}
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std::string compile() override;
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private:
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std::string type_to_glsl(const SPIRType &type, uint32_t id = 0) override;
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std::string image_type_hlsl(const SPIRType &type);
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std::string image_type_hlsl_modern(const SPIRType &type);
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std::string image_type_hlsl_legacy(const SPIRType &type);
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void emit_function_prototype(SPIRFunction &func, uint64_t return_flags) override;
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void emit_hlsl_entry_point();
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void emit_header() override;
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void emit_resources();
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void emit_interface_block_globally(const SPIRVariable &type);
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void emit_interface_block_in_struct(const SPIRVariable &type, std::unordered_set<uint32_t> &active_locations);
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void emit_builtin_inputs_in_struct();
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void emit_builtin_outputs_in_struct();
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void emit_texture_op(const Instruction &i) override;
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void emit_instruction(const Instruction &instruction) override;
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void emit_glsl_op(uint32_t result_type, uint32_t result_id, uint32_t op, const uint32_t *args,
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uint32_t count) override;
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void emit_buffer_block(const SPIRVariable &type) override;
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void emit_push_constant_block(const SPIRVariable &var) override;
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void emit_uniform(const SPIRVariable &var) override;
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void emit_modern_uniform(const SPIRVariable &var);
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void emit_legacy_uniform(const SPIRVariable &var);
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std::string layout_for_member(const SPIRType &type, uint32_t index) override;
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std::string to_interpolation_qualifiers(uint64_t flags) override;
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std::string bitcast_glsl_op(const SPIRType &result_type, const SPIRType &argument_type) override;
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std::string to_func_call_arg(uint32_t id) override;
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std::string to_sampler_expression(uint32_t id);
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std::string to_resource_binding(const SPIRVariable &var);
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std::string to_resource_binding_sampler(const SPIRVariable &var);
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void emit_sampled_image_op(uint32_t result_type, uint32_t result_id, uint32_t image_id, uint32_t samp_id) override;
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const char *to_storage_qualifiers_glsl(const SPIRVariable &var) override;
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Options options;
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bool requires_op_fmod = false;
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bool requires_textureProj = false;
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void emit_builtin_variables();
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bool require_output = false;
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bool require_input = false;
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uint32_t type_to_consumed_locations(const SPIRType &type) const;
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void emit_io_block(const SPIRVariable &var);
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};
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}
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#endif
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