diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 10 | ||||
| -rw-r--r-- | src/video_core/renderer_vulkan/vk_shader_decompiler.cpp | 11 | ||||
| -rw-r--r-- | src/video_core/shader/decode/arithmetic_integer.cpp | 22 | ||||
| -rw-r--r-- | src/video_core/shader/node.h | 2 |
4 files changed, 42 insertions, 3 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 0cd3ad7e1..3803a6f3a 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -1870,6 +1870,14 @@ private: return GenerateBinaryInfix(operation, ">=", Type::Bool, type, type); } + Expression LogicalAddCarry(Operation operation) { + const std::string carry = code.GenerateTemporary(); + code.AddLine("uint {};", carry); + code.AddLine("uaddCarry({}, {}, {});", VisitOperand(operation, 0).AsUint(), + VisitOperand(operation, 1).AsUint(), carry); + return {fmt::format("({} != 0)", carry), Type::Bool}; + } + Expression LogicalFIsNan(Operation operation) { return GenerateUnary(operation, "isnan", Type::Bool, Type::Float); } @@ -2441,6 +2449,8 @@ private: &GLSLDecompiler::LogicalNotEqual<Type::Uint>, &GLSLDecompiler::LogicalGreaterEqual<Type::Uint>, + &GLSLDecompiler::LogicalAddCarry, + &GLSLDecompiler::Logical2HLessThan<false>, &GLSLDecompiler::Logical2HEqual<false>, &GLSLDecompiler::Logical2HLessEqual<false>, diff --git a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp index aaa138f52..20b6ca0ad 100644 --- a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp +++ b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp @@ -1584,6 +1584,15 @@ private: return {OpCompositeConstruct(t_half, low, high), Type::HalfFloat}; } + Expression LogicalAddCarry(Operation operation) { + const Id op_a = AsUint(Visit(operation[0])); + const Id op_b = AsUint(Visit(operation[1])); + + const Id result = OpIAddCarry(TypeStruct({t_uint, t_uint}), op_a, op_b); + const Id carry = OpCompositeExtract(t_uint, result, 1); + return {OpINotEqual(t_bool, carry, Constant(t_uint, 0)), Type::Bool}; + } + Expression LogicalAssign(Operation operation) { const Node& dest = operation[0]; const Node& src = operation[1]; @@ -2518,6 +2527,8 @@ private: &SPIRVDecompiler::Binary<&Module::OpINotEqual, Type::Bool, Type::Uint>, &SPIRVDecompiler::Binary<&Module::OpUGreaterThanEqual, Type::Bool, Type::Uint>, + &SPIRVDecompiler::LogicalAddCarry, + &SPIRVDecompiler::Binary<&Module::OpFOrdLessThan, Type::Bool2, Type::HalfFloat>, &SPIRVDecompiler::Binary<&Module::OpFOrdEqual, Type::Bool2, Type::HalfFloat>, &SPIRVDecompiler::Binary<&Module::OpFOrdLessThanEqual, Type::Bool2, Type::HalfFloat>, diff --git a/src/video_core/shader/decode/arithmetic_integer.cpp b/src/video_core/shader/decode/arithmetic_integer.cpp index 9af8c606d..99b4b6342 100644 --- a/src/video_core/shader/decode/arithmetic_integer.cpp +++ b/src/video_core/shader/decode/arithmetic_integer.cpp @@ -40,10 +40,26 @@ u32 ShaderIR::DecodeArithmeticInteger(NodeBlock& bb, u32 pc) { op_a = GetOperandAbsNegInteger(op_a, false, instr.alu_integer.negate_a, true); op_b = GetOperandAbsNegInteger(op_b, false, instr.alu_integer.negate_b, true); - const Node value = Operation(OperationCode::IAdd, PRECISE, op_a, op_b); + Node value = Operation(OperationCode::IAdd, op_a, op_b); - SetInternalFlagsFromInteger(bb, value, instr.generates_cc); - SetRegister(bb, instr.gpr0, value); + if (instr.generates_cc) { + const Node i0 = Immediate(0); + + Node zero = Operation(OperationCode::LogicalIEqual, value, i0); + Node sign = Operation(OperationCode::LogicalILessThan, value, i0); + Node carry = Operation(OperationCode::LogicalAddCarry, op_a, op_b); + + Node pos_a = Operation(OperationCode::LogicalIGreaterThan, op_a, i0); + Node pos_b = Operation(OperationCode::LogicalIGreaterThan, op_b, i0); + Node pos = Operation(OperationCode::LogicalAnd, std::move(pos_a), std::move(pos_b)); + Node overflow = Operation(OperationCode::LogicalAnd, pos, sign); + + SetInternalFlag(bb, InternalFlag::Zero, std::move(zero)); + SetInternalFlag(bb, InternalFlag::Sign, std::move(sign)); + SetInternalFlag(bb, InternalFlag::Carry, std::move(carry)); + SetInternalFlag(bb, InternalFlag::Overflow, std::move(overflow)); + } + SetRegister(bb, instr.gpr0, std::move(value)); break; } case OpCode::Id::IADD3_C: diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h index 3eee961f5..3f5a7bc7a 100644 --- a/src/video_core/shader/node.h +++ b/src/video_core/shader/node.h @@ -132,6 +132,8 @@ enum class OperationCode { LogicalUNotEqual, /// (uint a, uint b) -> bool LogicalUGreaterEqual, /// (uint a, uint b) -> bool + LogicalAddCarry, /// (uint a, uint b) -> bool + Logical2HLessThan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2 Logical2HEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2 Logical2HLessEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2 |