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/* This file is part of the sirit project.
* Copyright (c) 2019 sirit
* This software may be used and distributed according to the terms of the
* 3-Clause BSD License
*/
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <sirit/sirit.h>
class MyModule : public Sirit::Module {
public:
MyModule() : Sirit::Module{0x00010300} {}
~MyModule() = default;
void Generate() {
AddCapability(spv::Capability::Shader);
SetMemoryModel(spv::AddressingModel::Logical, spv::MemoryModel::GLSL450);
const auto t_void = Name(TypeVoid(), "void");
const auto t_uint = Name(TypeInt(32, false), "uint");
const auto t_float = Name(TypeFloat(32), "float");
const auto float4 = Name(TypeVector(t_float, 4), "float4");
const auto in_float = Name(TypePointer(spv::StorageClass::Input, t_float), "in_float");
const auto in_float4 = Name(TypePointer(spv::StorageClass::Input, float4), "in_float4");
const auto out_float4 = Name(TypePointer(spv::StorageClass::Output, float4), "out_float4");
const auto gl_per_vertex = Name(TypeStruct(float4), "gl_PerVertex");
const auto gl_per_vertex_ptr =
Name(TypePointer(spv::StorageClass::Output, gl_per_vertex), "out_gl_PerVertex");
const auto in_pos = Name(AddGlobalVariable(in_float4, spv::StorageClass::Input), "in_pos");
const auto per_vertex =
Name(AddGlobalVariable(gl_per_vertex_ptr, spv::StorageClass::Output), "per_vertex");
Decorate(in_pos, spv::Decoration::Location, 0);
Decorate(gl_per_vertex, spv::Decoration::Block);
Decorate(gl_per_vertex, spv::Decoration::Block);
MemberDecorate(gl_per_vertex, 0, spv::Decoration::BuiltIn,
static_cast<std::uint32_t>(spv::BuiltIn::Position));
const auto main_func = Name(
OpFunction(t_void, spv::FunctionControlMask::MaskNone, TypeFunction(t_void)), "main");
AddLabel();
const auto ptr_pos_x = OpAccessChain(in_float, in_pos, Constant(t_uint, 0u));
const auto ptr_pos_y = OpAccessChain(in_float, in_pos, Constant(t_uint, 1u));
const auto pos_x = OpLoad(t_float, ptr_pos_x);
const auto pos_y = OpLoad(t_float, ptr_pos_y);
auto tmp_position = OpUndef(float4);
tmp_position = OpCompositeInsert(float4, pos_x, tmp_position, 0);
tmp_position = OpCompositeInsert(float4, pos_y, tmp_position, 1);
tmp_position = OpCompositeInsert(float4, Constant(t_float, 0.0f), tmp_position, 2);
tmp_position = OpCompositeInsert(float4, Constant(t_float, 1.0f), tmp_position, 3);
const auto gl_position = OpAccessChain(out_float4, per_vertex, Constant(t_uint, 0u));
OpStore(gl_position, tmp_position);
OpReturn();
OpFunctionEnd();
AddEntryPoint(spv::ExecutionModel::Vertex, main_func, "main", in_pos, per_vertex);
}
};
static constexpr std::uint8_t expected_binary[] = {
0x03, 0x02, 0x23, 0x07, 0x00, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x03, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
0x0d, 0x00, 0x00, 0x00, 0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00,
0x0b, 0x00, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x76, 0x6f, 0x69, 0x64,
0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x75, 0x69, 0x6e, 0x74,
0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x03, 0x00, 0x00, 0x00, 0x66, 0x6c, 0x6f, 0x61,
0x74, 0x00, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00, 0x66, 0x6c, 0x6f, 0x61,
0x74, 0x34, 0x00, 0x00, 0x05, 0x00, 0x05, 0x00, 0x05, 0x00, 0x00, 0x00, 0x69, 0x6e, 0x5f, 0x66,
0x6c, 0x6f, 0x61, 0x74, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x05, 0x00, 0x06, 0x00, 0x00, 0x00,
0x69, 0x6e, 0x5f, 0x66, 0x6c, 0x6f, 0x61, 0x74, 0x34, 0x00, 0x00, 0x00, 0x05, 0x00, 0x05, 0x00,
0x07, 0x00, 0x00, 0x00, 0x6f, 0x75, 0x74, 0x5f, 0x66, 0x6c, 0x6f, 0x61, 0x74, 0x34, 0x00, 0x00,
0x05, 0x00, 0x06, 0x00, 0x08, 0x00, 0x00, 0x00, 0x67, 0x6c, 0x5f, 0x50, 0x65, 0x72, 0x56, 0x65,
0x72, 0x74, 0x65, 0x78, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x07, 0x00, 0x09, 0x00, 0x00, 0x00,
0x6f, 0x75, 0x74, 0x5f, 0x67, 0x6c, 0x5f, 0x50, 0x65, 0x72, 0x56, 0x65, 0x72, 0x74, 0x65, 0x78,
0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x69, 0x6e, 0x5f, 0x70,
0x6f, 0x73, 0x00, 0x00, 0x05, 0x00, 0x05, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x70, 0x65, 0x72, 0x5f,
0x76, 0x65, 0x72, 0x74, 0x65, 0x78, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x0d, 0x00, 0x00, 0x00,
0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x0a, 0x00, 0x00, 0x00,
0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00,
0x02, 0x00, 0x00, 0x00, 0x47, 0x00, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
0x48, 0x00, 0x05, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x13, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, 0x15, 0x00, 0x04, 0x00,
0x02, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, 0x00, 0x03, 0x00,
0x03, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x17, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00,
0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x05, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x06, 0x00, 0x00, 0x00,
0x01, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x07, 0x00, 0x00, 0x00,
0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00,
0x04, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x09, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
0x08, 0x00, 0x00, 0x00, 0x21, 0x00, 0x03, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x2b, 0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x2b, 0x00, 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x2b, 0x00, 0x04, 0x00, 0x03, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x2b, 0x00, 0x04, 0x00, 0x03, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x3f,
0x3b, 0x00, 0x04, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x3b, 0x00, 0x04, 0x00, 0x09, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
0x36, 0x00, 0x05, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x0c, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x02, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x41, 0x00, 0x05, 0x00,
0x05, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00,
0x41, 0x00, 0x05, 0x00, 0x05, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00,
0x11, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00, 0x03, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00,
0x10, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00, 0x03, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
0x12, 0x00, 0x00, 0x00, 0x01, 0x00, 0x03, 0x00, 0x04, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00,
0x52, 0x00, 0x06, 0x00, 0x04, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00,
0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x52, 0x00, 0x06, 0x00, 0x04, 0x00, 0x00, 0x00,
0x17, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x52, 0x00, 0x06, 0x00, 0x04, 0x00, 0x00, 0x00, 0x19, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
0x17, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x52, 0x00, 0x06, 0x00, 0x04, 0x00, 0x00, 0x00,
0x1b, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x00, 0x00, 0x19, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
0x41, 0x00, 0x05, 0x00, 0x07, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00,
0x0f, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x03, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x00, 0x00,
0xfd, 0x00, 0x01, 0x00, 0x38, 0x00, 0x01, 0x00,
};
int main(int argc, char** argv) {
MyModule module;
module.Generate();
std::vector<std::uint32_t> code = module.Assemble();
if (std::size(code) * sizeof(std::uint32_t) != std::size(expected_binary)) {
return EXIT_FAILURE;
}
if (std::memcmp(std::data(code), std::data(expected_binary), std::size(expected_binary)) != 0) {
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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