private static void FillBlock(
ReadOnlySpan <byte> code,
Block block,
ulong limitAddress,
ulong startAddress)
{
ulong address = block.Address;
do
{
if (address + 7 >= limitAddress)
{
break;
}
// Ignore scheduling instructions, which are written every 32 bytes.
if ((address & 0x1f) == 0)
{
address += 8;
continue;
}
uint word0 = BinaryPrimitives.ReadUInt32LittleEndian(code.Slice((int)(startAddress + address)));
uint word1 = BinaryPrimitives.ReadUInt32LittleEndian(code.Slice((int)(startAddress + address + 4)));
ulong opAddress = address;
address += 8;
long opCode = word0 | (long)word1 << 32;
(InstEmitter emitter, OpCodeTable.OpActivator opActivator) = OpCodeTable.GetEmitter(opCode);
if (emitter == null)
{
// TODO: Warning, illegal encoding.
block.OpCodes.Add(new OpCode(null, opAddress, opCode));
continue;
}
if (opActivator == null)
{
throw new ArgumentNullException(nameof(opActivator));
}
OpCode op = (OpCode)opActivator(emitter, opAddress, opCode);
block.OpCodes.Add(op);
}while (!IsBranch(block.GetLastOp()));
block.EndAddress = address;
block.UpdatePushOps();
}
private static void FillBlock(
IGpuAccessor gpuAccessor,
Block block,
ulong limitAddress,
ulong startAddress)
{
ulong address = block.Address;
do
{
if (address + 7 >= limitAddress)
{
break;
}
// Ignore scheduling instructions, which are written every 32 bytes.
if ((address & 0x1f) == 0)
{
address += 8;
continue;
}
ulong opAddress = address;
address += 8;
long opCode = gpuAccessor.MemoryRead <long>(startAddress + opAddress);
(InstEmitter emitter, OpCodeTable.OpActivator opActivator) = OpCodeTable.GetEmitter(opCode);
if (emitter == null)
{
// TODO: Warning, illegal encoding.
block.OpCodes.Add(new OpCode(null, opAddress, opCode));
continue;
}
if (opActivator == null)
{
throw new ArgumentNullException(nameof(opActivator));
}
OpCode op = (OpCode)opActivator(emitter, opAddress, opCode);
block.OpCodes.Add(op);
}while (!IsBranch(block.GetLastOp()));
block.EndAddress = address;
block.UpdatePushOps();
}
private static void FillBlock(
IGalMemory memory,
Block block,
ulong limitAddress,
ulong startAddress)
{
ulong address = block.Address;
do
{
if (address >= limitAddress)
{
break;
}
//Ignore scheduling instructions, which are written every 32 bytes.
if (((address - startAddress) & 0x1f) == 0)
{
address += 8;
continue;
}
uint word0 = (uint)memory.ReadInt32((long)(address + 0));
uint word1 = (uint)memory.ReadInt32((long)(address + 4));
ulong opAddress = address;
address += 8;
long opCode = word0 | (long)word1 << 32;
(InstEmitter emitter, Type opCodeType) = OpCodeTable.GetEmitter(opCode);
if (emitter == null)
{
//TODO: Warning, illegal encoding.
continue;
}
OpCode op = MakeOpCode(opCodeType, emitter, opAddress, opCode);
block.OpCodes.Add(op);
}while (!IsBranch(block.GetLastOp()));
block.EndAddress = address;
block.UpdateSsyOpCodes();
}
private static void FillBlock(ShaderConfig config, Block block, ulong limitAddress, ulong startAddress)
{
IGpuAccessor gpuAccessor = config.GpuAccessor;
ulong address = block.Address;
do
{
if (address + 7 >= limitAddress)
{
break;
}
// Ignore scheduling instructions, which are written every 32 bytes.
if ((address & 0x1f) == 0)
{
address += 8;
continue;
}
ulong opAddress = address;
address += 8;
long opCode = gpuAccessor.MemoryRead <long>(startAddress + opAddress);
(InstEmitter emitter, OpCodeTable.MakeOp makeOp) = OpCodeTable.GetEmitter(opCode);
if (emitter == null)
{
// TODO: Warning, illegal encoding.
block.OpCodes.Add(new OpCode(null, opAddress, opCode));
continue;
}
if (makeOp == null)
{
throw new ArgumentNullException(nameof(makeOp));
}
OpCode op = makeOp(emitter, opAddress, opCode);
// We check these patterns to figure out the presence of bindless access
if ((op is OpCodeImage image && image.IsBindless) ||
(op is OpCodeTxd txd && txd.IsBindless) ||
(op is OpCodeTld4B) ||
(emitter == InstEmit.TexB) ||
(emitter == InstEmit.TldB) ||
(emitter == InstEmit.TmmlB) ||
(emitter == InstEmit.TxqB))
{
config.SetUsedFeature(FeatureFlags.Bindless);
}
// Populate used attributes.
if (op is IOpCodeAttribute opAttr)
{
SetUserAttributeUses(config, opAttr);
}
block.OpCodes.Add(op);
}while (!IsControlFlowChange(block.GetLastOp()));
block.EndAddress = address;
block.UpdatePushOps();
}