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Replace constant buffer access on shader with new Load instruction (#4646)

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gdkchan 2023-05-20 16:19:26 -03:00 • committed by GitHub
parent fb27042e01
commit 402f05b8ef
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42 changed files with 788 additions and 625 deletions
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115
src/Ryujinx.Graphics.Shader/Translation/Rewriter.cs
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@ -1,7 +1,6 @@
using Ryujinx.Graphics.Shader.Decoders;
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using Ryujinx.Graphics.Shader.StructuredIr;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Numerics;
@ -16,6 +15,7 @@ namespace Ryujinx.Graphics.Shader.Translation
{
bool isVertexShader = config.Stage == ShaderStage.Vertex;
bool hasConstantBufferDrawParameters = config.GpuAccessor.QueryHasConstantBufferDrawParameters();
bool hasVectorIndexingBug = config.GpuAccessor.QueryHostHasVectorIndexingBug();
bool supportsSnormBufferTextureFormat = config.GpuAccessor.QueryHostSupportsSnormBufferTextureFormat();
for (int blkIndex = 0; blkIndex < blocks.Length; blkIndex++)
@ -45,6 +45,11 @@ namespace Ryujinx.Graphics.Shader.Translation
}
}
if (hasVectorIndexingBug)
{
InsertVectorComponentSelect(node, config);
}
LinkedListNode<INode> nextNode = node.Next;
if (operation is TextureOperation texOp)
@ -71,6 +76,84 @@ namespace Ryujinx.Graphics.Shader.Translation
}
}
private static void InsertVectorComponentSelect(LinkedListNode<INode> node, ShaderConfig config)
{
Operation operation = (Operation)node.Value;
if (operation.Inst != Instruction.Load ||
operation.StorageKind != StorageKind.ConstantBuffer ||
operation.SourcesCount < 3)
{
return;
}
Operand bindingIndex = operation.GetSource(0);
Operand fieldIndex = operation.GetSource(1);
Operand elemIndex = operation.GetSource(operation.SourcesCount - 1);
if (bindingIndex.Type != OperandType.Constant ||
fieldIndex.Type != OperandType.Constant ||
elemIndex.Type == OperandType.Constant)
{
return;
}
BufferDefinition buffer = config.Properties.ConstantBuffers[bindingIndex.Value];
StructureField field = buffer.Type.Fields[fieldIndex.Value];
int elemCount = (field.Type & AggregateType.ElementCountMask) switch
{
AggregateType.Vector2 => 2,
AggregateType.Vector3 => 3,
AggregateType.Vector4 => 4,
_ => 1
};
if (elemCount == 1)
{
return;
}
Operand result = null;
for (int i = 0; i < elemCount; i++)
{
Operand value = Local();
Operand[] inputs = new Operand[operation.SourcesCount];
for (int srcIndex = 0; srcIndex < inputs.Length - 1; srcIndex++)
{
inputs[srcIndex] = operation.GetSource(srcIndex);
}
inputs[inputs.Length - 1] = Const(i);
Operation loadOp = new Operation(Instruction.Load, StorageKind.ConstantBuffer, value, inputs);
node.List.AddBefore(node, loadOp);
if (i == 0)
{
result = value;
}
else
{
Operand isCurrentIndex = Local();
Operand selection = Local();
Operation compareOp = new Operation(Instruction.CompareEqual, isCurrentIndex, new Operand[] { elemIndex, Const(i) });
Operation selectOp = new Operation(Instruction.ConditionalSelect, selection, new Operand[] { isCurrentIndex, value, result });
node.List.AddBefore(node, compareOp);
node.List.AddBefore(node, selectOp);
result = selection;
}
}
operation.TurnIntoCopy(result);
}
private static LinkedListNode<INode> RewriteGlobalAccess(LinkedListNode<INode> node, ShaderConfig config)
{
Operation operation = (Operation)node.Value;
@ -90,6 +173,15 @@ namespace Ryujinx.Graphics.Shader.Translation
return local;
}
Operand PrependStorageOperation(Instruction inst, StorageKind storageKind, params Operand[] sources)
{
Operand local = Local();
node.List.AddBefore(node, new Operation(inst, storageKind, local, sources));
return local;
}
Operand PrependExistingOperation(Operation operation)
{
Operand local = Local();
@ -204,8 +296,6 @@ namespace Ryujinx.Graphics.Shader.Translation
cbeUseMask &= ~(1 << slot);
config.SetUsedConstantBuffer(cbSlot);
Operand previousResult = PrependExistingOperation(storageOp);
int cbOffset = GetConstantUbeOffset(slot);
@ -216,18 +306,17 @@ namespace Ryujinx.Graphics.Shader.Translation
Operand byteOffsetConst = PrependOperation(Instruction.Subtract, addrLow, baseAddrTruncConst);
Operand cbIndex = PrependOperation(Instruction.ShiftRightU32, byteOffsetConst, Const(2));
Operand vecIndex = PrependOperation(Instruction.ShiftRightU32, cbIndex, Const(2));
Operand elemIndex = PrependOperation(Instruction.BitwiseAnd, cbIndex, Const(3));
Operand[] sourcesCb = new Operand[operation.SourcesCount];
Operand[] sourcesCb = new Operand[4];
sourcesCb[0] = Const(cbSlot);
sourcesCb[1] = cbIndex;
sourcesCb[0] = Const(config.ResourceManager.GetConstantBufferBinding(cbSlot));
sourcesCb[1] = Const(0);
sourcesCb[2] = vecIndex;
sourcesCb[3] = elemIndex;
for (int index = 2; index < operation.SourcesCount; index++)
{
sourcesCb[index] = operation.GetSource(index);
}
Operand ldcResult = PrependOperation(Instruction.LoadConstant, sourcesCb);
Operand ldcResult = PrependStorageOperation(Instruction.Load, StorageKind.ConstantBuffer, sourcesCb);
storageOp = new Operation(Instruction.ConditionalSelect, operation.Dest, inRange, ldcResult, previousResult);
}