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shader_jit: Add conditional unit-tests

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Tests all permutations of X, Y, AND, OR with each possible input value.
This commit is contained in:
Wunkolo 2024-08-17 11:12:38 -07:00
parent f248fefe06
commit 1053676c9f
1 changed files with 88 additions and 0 deletions
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88
src/tests/video_core/shader.cpp
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@ -674,6 +674,94 @@ TEMPLATE_TEST_CASE("Nested Loop", "[video_core][shader]", ShaderJitTest) {
}
}
SHADER_TEST_CASE("Conditional", "[video_core][shader]") {
const auto sh_input = SourceRegister::MakeInput(0);
const auto sh_temp = SourceRegister::MakeTemporary(0);
const auto sh_output = DestRegister::MakeOutput(0);
const std::initializer_list<nihstro::InlineAsm> assembly_template = {
// IFC configured later
{OpCode::Id::NOP},
// True
{OpCode::Id::MOV, sh_output, sh_input},
{OpCode::Id::END},
// False
{OpCode::Id::MOV, sh_output, sh_temp},
{OpCode::Id::END},
};
const bool ref_x = GENERATE(0, 1);
const bool cmp_x = GENERATE(0, 1);
const bool result_x = (cmp_x == ref_x);
const bool ref_y = GENERATE(0, 1);
const bool cmp_y = GENERATE(0, 1);
const bool result_y = (cmp_y == ref_y);
nihstro::Instruction IFC = {};
IFC.opcode = nihstro::OpCode::Id::IFC;
IFC.flow_control.num_instructions = 2;
IFC.flow_control.dest_offset = 3;
IFC.flow_control.refx = ref_x;
IFC.flow_control.refy = ref_y;
Pica::ShaderUnit shader_unit;
shader_unit.conditional_code[0] = cmp_x;
shader_unit.conditional_code[1] = cmp_y;
// JustX
{
auto shader_setup = CompileShaderSetup(assembly_template);
IFC.flow_control.op = nihstro::Instruction::FlowControlType::Op::JustX;
shader_setup->program_code[0] = IFC.hex;
const float result = result_x ? 1.0f : 0.0f;
auto shader_test = TestType(std::move(shader_setup));
shader_test.Run(shader_unit, 1.0f);
REQUIRE(shader_unit.output[0].x.ToFloat32() == result);
}
// JustY
{
auto shader_setup = CompileShaderSetup(assembly_template);
IFC.flow_control.op = nihstro::Instruction::FlowControlType::Op::JustY;
shader_setup->program_code[0] = IFC.hex;
const float result = result_y ? 1.0f : 0.0f;
auto shader_test = TestType(std::move(shader_setup));
shader_test.Run(shader_unit, 1.0f);
REQUIRE(shader_unit.output[0].x.ToFloat32() == result);
}
// OR
{
auto shader_setup = CompileShaderSetup(assembly_template);
IFC.flow_control.op = nihstro::Instruction::FlowControlType::Op::Or;
shader_setup->program_code[0] = IFC.hex;
const float result = (result_x || result_y) ? 1.0f : 0.0f;
auto shader_test = TestType(std::move(shader_setup));
shader_test.Run(shader_unit, 1.0f);
REQUIRE(shader_unit.output[0].x.ToFloat32() == result);
}
// AND
{
auto shader_setup = CompileShaderSetup(assembly_template);
IFC.flow_control.op = nihstro::Instruction::FlowControlType::Op::And;
shader_setup->program_code[0] = IFC.hex;
const float result = (result_x && result_y) ? 1.0f : 0.0f;
auto shader_test = TestType(std::move(shader_setup));
shader_test.Run(shader_unit, 1.0f);
REQUIRE(shader_unit.output[0].x.ToFloat32() == result);
}
}
SHADER_TEST_CASE("Source Swizzle", "[video_core][shader]") {
const auto sh_input = SourceRegister::MakeInput(0);
const auto sh_output = DestRegister::MakeOutput(0);