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https://github.com/KytyPS5/KytyPS5.git
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nmzik
337f432016
Co-authored-by: Ali Almohaya <AliAlmohaya@gmail.com> Co-authored-by: Mac <me@itsmemac.com> Co-authored-by: Senaxx <michelbeld@gmail.com> Co-authored-by: Jean-Philippe <github@meunier.jp>
51 lines
2.6 KiB
C++
51 lines
2.6 KiB
C++
void TestRayTracingInstructions() {
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namespace D = ShaderRecompiler::Decoder;
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const std::array code{
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0xf1989f01u, 0x00081014u,
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EncodeMubuf0(0x1e, 0, false), EncodeMubuf1(16, 0, 0),
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0xf1989f07u, 0x00071001u, 0x3d3e3c15u, 0x38095851u, 0x00003a39u,
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EncodeMubuf0(0x1e, 16, false), EncodeMubuf1(16, 0, 0),
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EncodeSopp(0x01)};
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D::Program decoded;
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D::DecodeProgram(code, decoded);
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Check(decoded.instructions.size() == 5 &&
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decoded.instructions.back().opcode == D::Opcode::S_ENDPGM,
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"decoder stopped before instructions following BVH intersections");
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for (const auto index : {0u, 2u}) {
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const auto &inst = decoded.instructions[index];
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Check(inst.opcode == D::Opcode::IMAGE_BVH_INTERSECT_RAY &&
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inst.image_address_components == 11 && inst.data_dwords == 4 && inst.image_r128,
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"BVH32 instruction lost its ray or descriptor width");
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}
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Check(decoded.instructions[2].image_nsa_addr[9] == 58,
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"BVH NSA ray components were not decoded");
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const auto result = RecompileForTest(code, MakeCompileOptions(ShaderType::Compute));
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Check(CountSourceOccurrences(result.ir_dump, "BvhIntersect") == 2 &&
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result.program.info.uses_dma && result.program.info.images.empty() &&
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result.program.info.samplers.empty(),
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"BVH intersections did not use GPU descriptors and raw guest memory");
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CheckSpirvBinaryValidates(result.spirv);
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const std::array literal{EncodeSMovB32(0, 255), 0xf1989f01u, EncodeSopp(0x01)};
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D::DecodeProgram(literal, decoded);
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Check(decoded.instructions.size() == 2 && decoded.instructions[0].opcode == D::Opcode::S_MOV_B32,
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"BVH-shaped scalar literal was decoded as an instruction");
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#if KYTY_PLATFORM != KYTY_PLATFORM_WINDOWS
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for (const auto words : {std::array{0xf19c9f01u, 0x00081014u}, // BVH64
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std::array{0xf1989f01u, 0x40081014u}, // A16
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std::array{0xf1981f01u, 0x00081014u}, // not R128
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std::array{0xf1989f01u, 0x80081014u}}) { // D16
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const std::array unsupported{words[0], words[1], EncodeSopp(0x01)};
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ExpectFatal([&]() { (void)RecompileForTest(unsupported, MakeCompileOptions(ShaderType::Compute)); },
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"unsupported BVH encoding was silently accepted");
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}
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for (const auto nsa : {1u, 2u}) {
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std::array<uint32_t, 5> truncated{0xf1989f01u | (nsa << 1), 0x00081014u};
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truncated[2 + nsa] = EncodeSopp(0x01);
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ExpectFatal([&]() {
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(void)RecompileForTest(std::span(truncated).first(3 + nsa), MakeCompileOptions(ShaderType::Compute));
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}, "BVH NSA instruction accepted fewer than eleven ray addresses");
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}
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#endif
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}
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