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DXIL Debugger Implement DXOp::Bfi

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Jake Turner committed 2024-12-15 12:04:33 +00:00
1 parent 8d2c3669d5
commit 2f3d7e092c
2 files changed
+36 -2
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renderdoc/driver/shaders/dxil/dxil_debug.cpp
+36 -1
View File
@@ -3405,8 +3405,43 @@ bool ThreadState::ExecuteInstruction(DebugAPIWrapper *apiWrapper,
}
break;
}
// Likely to implement when required
case DXOp::Bfi:
{
// bfi(width,offset,value,replacedValue)
// The LSB 5 bits of width provide the bitfield width (0-31) to take from value.
// The LSB 5 bits of offset provide the bitfield offset (0-31) to start replacing bits
// in the number read from replacedValue.
// Given width, ofset:
// bitmask = (((1 << width)-1) << offset) & 0xffffffff
// dest = ((value << offset) & bitmask) | (replacedValue & ~bitmask)
RDCASSERTEQUAL(inst.args[1]->type->type, Type::TypeKind::Scalar);
RDCASSERTEQUAL(inst.args[1]->type->scalarType, Type::Int);
RDCASSERTEQUAL(inst.args[2]->type->type, Type::TypeKind::Scalar);
RDCASSERTEQUAL(inst.args[2]->type->scalarType, Type::Int);
RDCASSERTEQUAL(inst.args[3]->type->type, Type::TypeKind::Scalar);
RDCASSERTEQUAL(inst.args[3]->type->scalarType, Type::Int);
RDCASSERTEQUAL(inst.args[4]->type->type, Type::TypeKind::Scalar);
RDCASSERTEQUAL(inst.args[4]->type->scalarType, Type::Int);
ShaderVariable a;
ShaderVariable b;
ShaderVariable c;
ShaderVariable d;
RDCASSERT(GetShaderVariable(inst.args[1], opCode, dxOpCode, a));
RDCASSERT(GetShaderVariable(inst.args[2], opCode, dxOpCode, b));
RDCASSERT(GetShaderVariable(inst.args[3], opCode, dxOpCode, c));
RDCASSERT(GetShaderVariable(inst.args[4], opCode, dxOpCode, d));
RDCASSERTEQUAL(a.type, b.type);
RDCASSERTEQUAL(a.type, c.type);
RDCASSERTEQUAL(a.type, d.type);
uint32_t width = a.value.u32v[0] & 0x1f;
uint32_t offset = b.value.u32v[0] & 0x1f;
uint32_t bitmask = (((1 << width) - 1) << offset) & 0xffffffff;
result.value.u32v[0] =
(uint32_t)(((c.value.u32v[0] << offset) & bitmask) | (d.value.u32v[0] & ~bitmask));
break;
}
// Likely to implement when required
case DXOp::MakeDouble:
case DXOp::SplitDouble:
case DXOp::BitcastI16toF16:
renderdoc/driver/shaders/dxil/dxil_reflect.cpp
-1
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@@ -1816,7 +1816,6 @@ rdcstr Program::GetDebugStatus()
case DXOp::TempRegStore:
case DXOp::MinPrecXRegLoad:
case DXOp::MinPrecXRegStore:
case DXOp::Bfi:
case DXOp::CBufferLoad:
case DXOp::BufferUpdateCounter:
case DXOp::CheckAccessFullyMapped: