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shader: Fix address register offset behavior in x64 Jit (#6942)

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* shader: Fix address register offset behavior in x64 Jit

* shader: Remove redundant jump

* tests: Add address register tests

* shader: Remove additional pre-multiplications by 16

* tests: Add catch-stringifier for vec4f

* tests: Format
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GPUCode 2023-10-18 19:41:36 +03:00 • committed by GitHub
parent 1caf569f16
commit ef43776c7b
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2 changed files with 94 additions and 27 deletions
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59
src/tests/video_core/shader/shader_jit_x64_compiler.cpp
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@ -28,6 +28,15 @@ static constexpr Common::Vec4f vec4_nan = Common::Vec4f::AssignToAll(NAN);
static constexpr Common::Vec4f vec4_one = Common::Vec4f::AssignToAll(1.0f);
static constexpr Common::Vec4f vec4_zero = Common::Vec4f::AssignToAll(0.0f);
namespace Catch {
template <>
struct StringMaker<Common::Vec4f> {
static std::string convert(Common::Vec4f value) {
return fmt::format("({}, {}, {}, {})", value.r(), value.g(), value.b(), value.a());
}
};
} // namespace Catch
static std::unique_ptr<Pica::Shader::ShaderSetup> CompileShaderSetup(
std::initializer_list<nihstro::InlineAsm> code) {
const auto shbin = nihstro::InlineAsm::CompileToRawBinary(code);
@ -385,6 +394,56 @@ TEST_CASE("RSQ", "[video_core][shader][shader_jit]") {
REQUIRE(shader.Run({0.0625f}).x == Catch::Approx(4.0f).margin(0.004f));
}
TEST_CASE("Address Register Offset", "[video_core][shader][shader_jit]") {
const auto sh_input = SourceRegister::MakeInput(0);
const auto sh_c40 = SourceRegister::MakeFloat(40);
const auto sh_output = DestRegister::MakeOutput(0);
auto shader = ShaderTest({
// mova a0.x, sh_input.x
{OpCode::Id::MOVA, DestRegister{}, "x", sh_input, "x", SourceRegister{}, "",
nihstro::InlineAsm::RelativeAddress::A1},
// mov sh_output.xyzw, c40[a0.x].xyzw
{OpCode::Id::MOV, sh_output, "xyzw", sh_c40, "xyzw", SourceRegister{}, "",
nihstro::InlineAsm::RelativeAddress::A1},
{OpCode::Id::END},
});
// Prepare shader uniforms
const bool inverted = true;
std::array<Common::Vec4f, 96> f_uniforms;
for (u32 i = 0; i < 0x80; i++) {
if (i >= 0x00 && i < 0x60) {
const u32 base = inverted ? (0x60 - i) : i;
const auto color = (base * 2.f) / 255.0f;
const auto color_f24 = Pica::f24::FromFloat32(color);
shader.shader_setup->uniforms.f[i] = {color_f24, color_f24, color_f24,
Pica::f24::One()};
f_uniforms[i] = {color, color, color, 1.f};
} else if (i >= 0x60 && i < 0x70) {
const u8 color = static_cast<u8>((i - 0x60) * 0x10);
shader.shader_setup->uniforms.i[i - 0x60] = {color, color, color, 255};
} else if (i >= 0x70 && i < 0x80) {
shader.shader_setup->uniforms.b[i - 0x70] = i >= 0x78;
}
}
REQUIRE(shader.Run(0.f) == f_uniforms[40]);
REQUIRE(shader.Run(13.f) == f_uniforms[53]);
REQUIRE(shader.Run(50.f) == f_uniforms[90]);
REQUIRE(shader.Run(60.f) == vec4_one);
REQUIRE(shader.Run(74.f) == vec4_one);
REQUIRE(shader.Run(87.f) == vec4_one);
REQUIRE(shader.Run(88.f) == f_uniforms[0]);
REQUIRE(shader.Run(128.f) == f_uniforms[40]);
REQUIRE(shader.Run(-40.f) == f_uniforms[0]);
REQUIRE(shader.Run(-42.f) == vec4_one);
REQUIRE(shader.Run(-70.f) == vec4_one);
REQUIRE(shader.Run(-73.f) == f_uniforms[95]);
REQUIRE(shader.Run(-127.f) == f_uniforms[41]);
REQUIRE(shader.Run(-129.f) == f_uniforms[40]);
}
// TODO: Requires fix from https://github.com/neobrain/nihstro/issues/68
// TEST_CASE("MAD", "[video_core][shader][shader_jit]") {
// const auto sh_input1 = SourceRegister::MakeInput(0);