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Generate scaling helper functions on IR (#4714)

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* Generate scaling helper functions on IR

* Delete unused code

* Split RewriteTextureSample and move gather bias add to an earlier pass

* Remove using

* Shader cache version bump
This commit is contained in:
gdkchan 2023-05-25 17:46:58 -03:00 committed by GitHub
parent 2c9715acf6
commit 8f0c89ffd6
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GPG key ID: 4AEE18F83AFDEB23
25 changed files with 560 additions and 584 deletions
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2
src/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
View file

@ -22,7 +22,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
private const ushort FileFormatVersionMajor = 1; private const ushort FileFormatVersionMajor = 1;
private const ushort FileFormatVersionMinor = 2; private const ushort FileFormatVersionMinor = 2;
private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor; private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor;
private const uint CodeGenVersion = 5031; private const uint CodeGenVersion = 4714;
private const string SharedTocFileName = "shared.toc"; private const string SharedTocFileName = "shared.toc";
private const string SharedDataFileName = "shared.data"; private const string SharedDataFileName = "shared.data";

29
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
View file

@ -239,33 +239,10 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
context.AppendLine(); context.AppendLine();
} }
bool isFragment = context.Config.Stage == ShaderStage.Fragment; if (context.Config.Stage == ShaderStage.Fragment && context.Config.GpuAccessor.QueryEarlyZForce())
if (isFragment || context.Config.Stage == ShaderStage.Compute || context.Config.Stage == ShaderStage.Vertex)
{ {
if (isFragment && context.Config.GpuAccessor.QueryEarlyZForce()) context.AppendLine("layout(early_fragment_tests) in;");
{ context.AppendLine();
context.AppendLine("layout(early_fragment_tests) in;");
context.AppendLine();
}
if ((context.Config.UsedFeatures & (FeatureFlags.FragCoordXY | FeatureFlags.IntegerSampling)) != 0)
{
string stage = OperandManager.GetShaderStagePrefix(context.Config.Stage);
int scaleElements = context.Config.GetTextureDescriptors().Length + context.Config.GetImageDescriptors().Length;
if (isFragment)
{
scaleElements++; // Also includes render target scale, for gl_FragCoord.
}
if (context.Config.UsedFeatures.HasFlag(FeatureFlags.IntegerSampling) && scaleElements != 0)
{
AppendHelperFunction(context, $"Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_{stage}.glsl");
context.AppendLine();
}
}
} }
if ((info.HelperFunctionsMask & HelperFunctionsMask.AtomicMinMaxS32Shared) != 0) if ((info.HelperFunctionsMask & HelperFunctionsMask.AtomicMinMaxS32Shared) != 0)

19
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_cp.glsl
View file

@ -1,19 +0,0 @@
ivec2 Helper_TexelFetchScale(ivec2 inputVec, int samplerIndex)
{
float scale = support_buffer.s_render_scale[1 + samplerIndex];
if (scale == 1.0)
{
return inputVec;
}
return ivec2(vec2(inputVec) * scale);
}
int Helper_TextureSizeUnscale(int size, int samplerIndex)
{
float scale = support_buffer.s_render_scale[1 + samplerIndex];
if (scale == 1.0)
{
return size;
}
return int(float(size) / scale);
}

26
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_fp.glsl
View file

@ -1,26 +0,0 @@
ivec2 Helper_TexelFetchScale(ivec2 inputVec, int samplerIndex)
{
float scale = support_buffer.s_render_scale[1 + samplerIndex];
if (scale == 1.0)
{
return inputVec;
}
if (scale < 0.0) // If less than 0, try interpolate between texels by using the screen position.
{
return ivec2(vec2(inputVec) * (-scale) + mod(gl_FragCoord.xy, 0.0 - scale));
}
else
{
return ivec2(vec2(inputVec) * scale);
}
}
int Helper_TextureSizeUnscale(int size, int samplerIndex)
{
float scale = abs(support_buffer.s_render_scale[1 + samplerIndex]);
if (scale == 1.0)
{
return size;
}
return int(float(size) / scale);
}

20
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_vp.glsl
View file

@ -1,20 +0,0 @@
ivec2 Helper_TexelFetchScale(ivec2 inputVec, int samplerIndex)
{
float scale = abs(support_buffer.s_render_scale[1 + samplerIndex + support_buffer.s_frag_scale_count]);
if (scale == 1.0)
{
return inputVec;
}
return ivec2(vec2(inputVec) * scale);
}
int Helper_TextureSizeUnscale(int size, int samplerIndex)
{
float scale = abs(support_buffer.s_render_scale[1 + samplerIndex + support_buffer.s_frag_scale_count]);
if (scale == 1.0)
{
return size;
}
return int(float(size) / scale);
}

1
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenHelper.cs
View file

@ -101,6 +101,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
Add(Instruction.MemoryBarrier, InstType.CallNullary, "memoryBarrier"); Add(Instruction.MemoryBarrier, InstType.CallNullary, "memoryBarrier");
Add(Instruction.Minimum, InstType.CallBinary, "min"); Add(Instruction.Minimum, InstType.CallBinary, "min");
Add(Instruction.MinimumU32, InstType.CallBinary, "min"); Add(Instruction.MinimumU32, InstType.CallBinary, "min");
Add(Instruction.Modulo, InstType.CallBinary, "mod");
Add(Instruction.Multiply, InstType.OpBinaryCom, "*", 1); Add(Instruction.Multiply, InstType.OpBinaryCom, "*", 1);
Add(Instruction.MultiplyHighS32, InstType.CallBinary, HelperFunctionNames.MultiplyHighS32); Add(Instruction.MultiplyHighS32, InstType.CallBinary, HelperFunctionNames.MultiplyHighS32);
Add(Instruction.MultiplyHighU32, InstType.CallBinary, HelperFunctionNames.MultiplyHighU32); Add(Instruction.MultiplyHighU32, InstType.CallBinary, HelperFunctionNames.MultiplyHighU32);

84
src/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
View file

@ -97,30 +97,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
texCallBuilder.Append(str); texCallBuilder.Append(str);
} }
string ApplyScaling(string vector)
{
if (context.Config.Stage.SupportsRenderScale() &&
texOp.Inst == Instruction.ImageLoad &&
!isBindless &&
!isIndexed)
{
// Image scales start after texture ones.
int scaleIndex = context.Config.GetTextureDescriptors().Length + context.Config.FindImageDescriptorIndex(texOp);
if (pCount == 3 && isArray)
{
// The array index is not scaled, just x and y.
vector = $"ivec3(Helper_TexelFetchScale(({vector}).xy, {scaleIndex}), ({vector}).z)";
}
else if (pCount == 2 && !isArray)
{
vector = $"Helper_TexelFetchScale({vector}, {scaleIndex})";
}
}
return vector;
}
if (pCount > 1) if (pCount > 1)
{ {
string[] elems = new string[pCount]; string[] elems = new string[pCount];
@ -130,7 +106,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
elems[index] = Src(AggregateType.S32); elems[index] = Src(AggregateType.S32);
} }
Append(ApplyScaling($"ivec{pCount}({string.Join(", ", elems)})")); Append($"ivec{pCount}({string.Join(", ", elems)})");
} }
else else
{ {
@ -584,53 +560,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
} }
} }
string ApplyScaling(string vector) Append(AssemblePVector(pCount));
{
if (intCoords)
{
if (context.Config.Stage.SupportsRenderScale() &&
!isBindless &&
!isIndexed)
{
int index = context.Config.FindTextureDescriptorIndex(texOp);
if (pCount == 3 && isArray)
{
// The array index is not scaled, just x and y.
vector = "ivec3(Helper_TexelFetchScale((" + vector + ").xy, " + index + "), (" + vector + ").z)";
}
else if (pCount == 2 && !isArray)
{
vector = "Helper_TexelFetchScale(" + vector + ", " + index + ")";
}
}
}
return vector;
}
string ApplyBias(string vector)
{
int gatherBiasPrecision = context.Config.GpuAccessor.QueryHostGatherBiasPrecision();
if (isGather && gatherBiasPrecision != 0)
{
// GPU requires texture gather to be slightly offset to match NVIDIA behaviour when point is exactly between two texels.
// Offset by the gather precision divided by 2 to correct for rounding.
if (pCount == 1)
{
vector = $"{vector} + (1.0 / (float(textureSize({samplerName}, 0)) * float({1 << (gatherBiasPrecision + 1)})))";
}
else
{
vector = $"{vector} + (1.0 / (vec{pCount}(textureSize({samplerName}, 0).{"xyz".Substring(0, pCount)}) * float({1 << (gatherBiasPrecision + 1)})))";
}
}
return vector;
}
Append(ApplyBias(ApplyScaling(AssemblePVector(pCount))));
string AssembleDerivativesVector(int count) string AssembleDerivativesVector(int count)
{ {
@ -750,7 +680,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
} }
else else
{ {
(TextureDescriptor descriptor, int descriptorIndex) = context.Config.FindTextureDescriptor(texOp); TextureDescriptor descriptor = context.Config.FindTextureDescriptor(texOp);
bool hasLod = !descriptor.Type.HasFlag(SamplerType.Multisample) && descriptor.Type != SamplerType.TextureBuffer; bool hasLod = !descriptor.Type.HasFlag(SamplerType.Multisample) && descriptor.Type != SamplerType.TextureBuffer;
string texCall; string texCall;
@ -767,14 +697,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
texCall = $"textureSize({samplerName}){GetMask(texOp.Index)}"; texCall = $"textureSize({samplerName}){GetMask(texOp.Index)}";
} }
if (context.Config.Stage.SupportsRenderScale() &&
(texOp.Index < 2 || (texOp.Type & SamplerType.Mask) == SamplerType.Texture3D) &&
!isBindless &&
!isIndexed)
{
texCall = $"Helper_TextureSizeUnscale({texCall}, {descriptorIndex})";
}
return texCall; return texCall;
} }
} }

1
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/CodeGenContext.cs
View file

@ -36,6 +36,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
public Dictionary<IoDefinition, Instruction> OutputsPerPatch { get; } = new Dictionary<IoDefinition, Instruction>(); public Dictionary<IoDefinition, Instruction> OutputsPerPatch { get; } = new Dictionary<IoDefinition, Instruction>();
public Instruction CoordTemp { get; set; } public Instruction CoordTemp { get; set; }
public StructuredFunction CurrentFunction { get; set; }
private readonly Dictionary<AstOperand, Instruction> _locals = new Dictionary<AstOperand, Instruction>(); private readonly Dictionary<AstOperand, Instruction> _locals = new Dictionary<AstOperand, Instruction>();
private readonly Dictionary<int, Instruction[]> _localForArgs = new Dictionary<int, Instruction[]>(); private readonly Dictionary<int, Instruction[]> _localForArgs = new Dictionary<int, Instruction[]>();
private readonly Dictionary<int, Instruction> _funcArgs = new Dictionary<int, Instruction>(); private readonly Dictionary<int, Instruction> _funcArgs = new Dictionary<int, Instruction>();

54
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/Instructions.cs
View file

@ -4,7 +4,6 @@ using Ryujinx.Graphics.Shader.Translation;
using System; using System;
using System.Collections.Generic; using System.Collections.Generic;
using System.Diagnostics; using System.Diagnostics;
using System.Linq;
using System.Numerics; using System.Numerics;
using static Spv.Specification; using static Spv.Specification;
@ -114,6 +113,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
Add(Instruction.MemoryBarrier, GenerateMemoryBarrier); Add(Instruction.MemoryBarrier, GenerateMemoryBarrier);
Add(Instruction.Minimum, GenerateMinimum); Add(Instruction.Minimum, GenerateMinimum);
Add(Instruction.MinimumU32, GenerateMinimumU32); Add(Instruction.MinimumU32, GenerateMinimumU32);
Add(Instruction.Modulo, GenerateModulo);
Add(Instruction.Multiply, GenerateMultiply); Add(Instruction.Multiply, GenerateMultiply);
Add(Instruction.MultiplyHighS32, GenerateMultiplyHighS32); Add(Instruction.MultiplyHighS32, GenerateMultiplyHighS32);
Add(Instruction.MultiplyHighU32, GenerateMultiplyHighU32); Add(Instruction.MultiplyHighU32, GenerateMultiplyHighU32);
@ -744,8 +744,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
pCoords = Src(AggregateType.S32); pCoords = Src(AggregateType.S32);
} }
pCoords = ScalingHelpers.ApplyScaling(context, texOp, pCoords, intCoords: true, isBindless, isIndexed, isArray, pCount);
(var imageType, var imageVariable) = context.Images[new TextureMeta(texOp.CbufSlot, texOp.Handle, texOp.Format)]; (var imageType, var imageVariable) = context.Images[new TextureMeta(texOp.CbufSlot, texOp.Handle, texOp.Format)];
var image = context.Load(imageType, imageVariable); var image = context.Load(imageType, imageVariable);
@ -1040,6 +1038,11 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
return GenerateBinaryU32(context, operation, context.Delegates.GlslUMin); return GenerateBinaryU32(context, operation, context.Delegates.GlslUMin);
} }
private static OperationResult GenerateModulo(CodeGenContext context, AstOperation operation)
{
return GenerateBinary(context, operation, context.Delegates.FMod, null);
}
private static OperationResult GenerateMultiply(CodeGenContext context, AstOperation operation) private static OperationResult GenerateMultiply(CodeGenContext context, AstOperation operation)
{ {
return GenerateBinary(context, operation, context.Delegates.FMul, context.Delegates.IMul); return GenerateBinary(context, operation, context.Delegates.FMul, context.Delegates.IMul);
@ -1101,7 +1104,15 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
private static OperationResult GenerateReturn(CodeGenContext context, AstOperation operation) private static OperationResult GenerateReturn(CodeGenContext context, AstOperation operation)
{ {
context.Return(); if (operation.SourcesCount != 0)
{
context.ReturnValue(context.Get(context.CurrentFunction.ReturnType, operation.GetSource(0)));
}
else
{
context.Return();
}
return OperationResult.Invalid; return OperationResult.Invalid;
} }
@ -1439,35 +1450,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
} }
} }
SpvInstruction ApplyBias(SpvInstruction vector, SpvInstruction image)
{
int gatherBiasPrecision = context.Config.GpuAccessor.QueryHostGatherBiasPrecision();
if (isGather && gatherBiasPrecision != 0)
{
// GPU requires texture gather to be slightly offset to match NVIDIA behaviour when point is exactly between two texels.
// Offset by the gather precision divided by 2 to correct for rounding.
var sizeType = pCount == 1 ? context.TypeS32() : context.TypeVector(context.TypeS32(), pCount);
var pVectorType = pCount == 1 ? context.TypeFP32() : context.TypeVector(context.TypeFP32(), pCount);
var bias = context.Constant(context.TypeFP32(), (float)(1 << (gatherBiasPrecision + 1)));
var biasVector = context.CompositeConstruct(pVectorType, Enumerable.Repeat(bias, pCount).ToArray());
var one = context.Constant(context.TypeFP32(), 1f);
var oneVector = context.CompositeConstruct(pVectorType, Enumerable.Repeat(one, pCount).ToArray());
var divisor = context.FMul(
pVectorType,
context.ConvertSToF(pVectorType, context.ImageQuerySize(sizeType, image)),
biasVector);
vector = context.FAdd(pVectorType, vector, context.FDiv(pVectorType, oneVector, divisor));
}
return vector;
}
SpvInstruction pCoords = AssemblePVector(pCount); SpvInstruction pCoords = AssemblePVector(pCount);
pCoords = ScalingHelpers.ApplyScaling(context, texOp, pCoords, intCoords, isBindless, isIndexed, isArray, pCount);
SpvInstruction AssembleDerivativesVector(int count) SpvInstruction AssembleDerivativesVector(int count)
{ {
@ -1638,8 +1621,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
image = context.Image(imageType, image); image = context.Image(imageType, image);
} }
pCoords = ApplyBias(pCoords, image);
var operands = operandsList.ToArray(); var operands = operandsList.ToArray();
SpvInstruction result; SpvInstruction result;
@ -1755,11 +1736,6 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
result = context.CompositeExtract(context.TypeS32(), result, (SpvLiteralInteger)texOp.Index); result = context.CompositeExtract(context.TypeS32(), result, (SpvLiteralInteger)texOp.Index);
} }
if (texOp.Index < 2 || (type & SamplerType.Mask) == SamplerType.Texture3D)
{
result = ScalingHelpers.ApplyUnscaling(context, texOp.WithType(type), result, isBindless, isIndexed);
}
return new OperationResult(AggregateType.S32, result); return new OperationResult(AggregateType.S32, result);
} }
} }

227
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/ScalingHelpers.cs
View file

@ -1,227 +0,0 @@
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using Ryujinx.Graphics.Shader.StructuredIr;
using Ryujinx.Graphics.Shader.Translation;
using static Spv.Specification;
namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
{
using SpvInstruction = Spv.Generator.Instruction;
static class ScalingHelpers
{
public static SpvInstruction ApplyScaling(
CodeGenContext context,
AstTextureOperation texOp,
SpvInstruction vector,
bool intCoords,
bool isBindless,
bool isIndexed,
bool isArray,
int pCount)
{
if (intCoords)
{
if (context.Config.Stage.SupportsRenderScale() &&
!isBindless &&
!isIndexed)
{
int index = texOp.Inst == Instruction.ImageLoad
? context.Config.GetTextureDescriptors().Length + context.Config.FindImageDescriptorIndex(texOp)
: context.Config.FindTextureDescriptorIndex(texOp);
if (pCount == 3 && isArray)
{
return ApplyScaling2DArray(context, vector, index);
}
else if (pCount == 2 && !isArray)
{
return ApplyScaling2D(context, vector, index);
}
}
}
return vector;
}
private static SpvInstruction ApplyScaling2DArray(CodeGenContext context, SpvInstruction vector, int index)
{
// The array index is not scaled, just x and y.
var vectorXY = context.VectorShuffle(context.TypeVector(context.TypeS32(), 2), vector, vector, 0, 1);
var vectorZ = context.CompositeExtract(context.TypeS32(), vector, 2);
var vectorXYScaled = ApplyScaling2D(context, vectorXY, index);
var vectorScaled = context.CompositeConstruct(context.TypeVector(context.TypeS32(), 3), vectorXYScaled, vectorZ);
return vectorScaled;
}
private static SpvInstruction ApplyScaling2D(CodeGenContext context, SpvInstruction vector, int index)
{
var pointerType = context.TypePointer(StorageClass.Uniform, context.TypeFP32());
var fieldIndex = context.Constant(context.TypeU32(), 4);
var scaleIndex = context.Constant(context.TypeU32(), index);
if (context.Config.Stage == ShaderStage.Vertex)
{
var scaleCountPointerType = context.TypePointer(StorageClass.Uniform, context.TypeS32());
var scaleCountElemPointer = context.AccessChain(scaleCountPointerType, context.ConstantBuffers[0], context.Constant(context.TypeU32(), 3));
var scaleCount = context.Load(context.TypeS32(), scaleCountElemPointer);
scaleIndex = context.IAdd(context.TypeU32(), scaleIndex, scaleCount);
}
scaleIndex = context.IAdd(context.TypeU32(), scaleIndex, context.Constant(context.TypeU32(), 1));
var scaleElemPointer = context.AccessChain(pointerType, context.ConstantBuffers[0], fieldIndex, scaleIndex);
var scale = context.Load(context.TypeFP32(), scaleElemPointer);
var ivector2Type = context.TypeVector(context.TypeS32(), 2);
var localVector = context.CoordTemp;
var passthrough = context.FOrdEqual(context.TypeBool(), scale, context.Constant(context.TypeFP32(), 1f));
var mergeLabel = context.Label();
if (context.Config.Stage == ShaderStage.Fragment)
{
var scaledInterpolatedLabel = context.Label();
var scaledNoInterpolationLabel = context.Label();
var needsInterpolation = context.FOrdLessThan(context.TypeBool(), scale, context.Constant(context.TypeFP32(), 0f));
context.SelectionMerge(mergeLabel, SelectionControlMask.MaskNone);
context.BranchConditional(needsInterpolation, scaledInterpolatedLabel, scaledNoInterpolationLabel);
// scale < 0.0
context.AddLabel(scaledInterpolatedLabel);
ApplyScalingInterpolated(context, localVector, vector, scale);
context.Branch(mergeLabel);
// scale >= 0.0
context.AddLabel(scaledNoInterpolationLabel);
ApplyScalingNoInterpolation(context, localVector, vector, scale);
context.Branch(mergeLabel);
context.AddLabel(mergeLabel);
var passthroughLabel = context.Label();
var finalMergeLabel = context.Label();
context.SelectionMerge(finalMergeLabel, SelectionControlMask.MaskNone);
context.BranchConditional(passthrough, passthroughLabel, finalMergeLabel);
context.AddLabel(passthroughLabel);
context.Store(localVector, vector);
context.Branch(finalMergeLabel);
context.AddLabel(finalMergeLabel);
return context.Load(ivector2Type, localVector);
}
else
{
var passthroughLabel = context.Label();
var scaledLabel = context.Label();
context.SelectionMerge(mergeLabel, SelectionControlMask.MaskNone);
context.BranchConditional(passthrough, passthroughLabel, scaledLabel);
// scale == 1.0
context.AddLabel(passthroughLabel);
context.Store(localVector, vector);
context.Branch(mergeLabel);
// scale != 1.0
context.AddLabel(scaledLabel);
ApplyScalingNoInterpolation(context, localVector, vector, scale);
context.Branch(mergeLabel);
context.AddLabel(mergeLabel);
return context.Load(ivector2Type, localVector);
}
}
private static void ApplyScalingInterpolated(CodeGenContext context, SpvInstruction output, SpvInstruction vector, SpvInstruction scale)
{
var vector2Type = context.TypeVector(context.TypeFP32(), 2);
var scaleNegated = context.FNegate(context.TypeFP32(), scale);
var scaleVector = context.CompositeConstruct(vector2Type, scaleNegated, scaleNegated);
var vectorFloat = context.ConvertSToF(vector2Type, vector);
var vectorScaled = context.VectorTimesScalar(vector2Type, vectorFloat, scaleNegated);
var fragCoordPointer = context.Inputs[new IoDefinition(StorageKind.Input, IoVariable.FragmentCoord)];
var fragCoord = context.Load(context.TypeVector(context.TypeFP32(), 4), fragCoordPointer);
var fragCoordXY = context.VectorShuffle(vector2Type, fragCoord, fragCoord, 0, 1);
var scaleMod = context.FMod(vector2Type, fragCoordXY, scaleVector);
var vectorInterpolated = context.FAdd(vector2Type, vectorScaled, scaleMod);
context.Store(output, context.ConvertFToS(context.TypeVector(context.TypeS32(), 2), vectorInterpolated));
}
private static void ApplyScalingNoInterpolation(CodeGenContext context, SpvInstruction output, SpvInstruction vector, SpvInstruction scale)
{
if (context.Config.Stage == ShaderStage.Vertex)
{
scale = context.GlslFAbs(context.TypeFP32(), scale);
}
var vector2Type = context.TypeVector(context.TypeFP32(), 2);
var vectorFloat = context.ConvertSToF(vector2Type, vector);
var vectorScaled = context.VectorTimesScalar(vector2Type, vectorFloat, scale);
context.Store(output, context.ConvertFToS(context.TypeVector(context.TypeS32(), 2), vectorScaled));
}
public static SpvInstruction ApplyUnscaling(
CodeGenContext context,
AstTextureOperation texOp,
SpvInstruction size,
bool isBindless,
bool isIndexed)
{
if (context.Config.Stage.SupportsRenderScale() &&
!isBindless &&
!isIndexed)
{
int index = context.Config.FindTextureDescriptorIndex(texOp);
var pointerType = context.TypePointer(StorageClass.Uniform, context.TypeFP32());
var fieldIndex = context.Constant(context.TypeU32(), 4);
var scaleIndex = context.Constant(context.TypeU32(), index);
if (context.Config.Stage == ShaderStage.Vertex)
{
var scaleCountPointerType = context.TypePointer(StorageClass.Uniform, context.TypeS32());
var scaleCountElemPointer = context.AccessChain(scaleCountPointerType, context.ConstantBuffers[0], context.Constant(context.TypeU32(), 3));
var scaleCount = context.Load(context.TypeS32(), scaleCountElemPointer);
scaleIndex = context.IAdd(context.TypeU32(), scaleIndex, scaleCount);
}
scaleIndex = context.IAdd(context.TypeU32(), scaleIndex, context.Constant(context.TypeU32(), 1));
var scaleElemPointer = context.AccessChain(pointerType, context.ConstantBuffers[0], fieldIndex, scaleIndex);
var scale = context.GlslFAbs(context.TypeFP32(), context.Load(context.TypeFP32(), scaleElemPointer));
var passthrough = context.FOrdEqual(context.TypeBool(), scale, context.Constant(context.TypeFP32(), 1f));
var sizeFloat = context.ConvertSToF(context.TypeFP32(), size);
var sizeUnscaled = context.FDiv(context.TypeFP32(), sizeFloat, scale);
var sizeUnscaledInt = context.ConvertFToS(context.TypeS32(), sizeUnscaled);
return context.Select(context.TypeS32(), passthrough, size, sizeUnscaledInt);
}
return size;
}
}
}

2
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvDelegates.cs
View file

@ -67,6 +67,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
public readonly FuncBinaryInstruction GlslSMax; public readonly FuncBinaryInstruction GlslSMax;
public readonly FuncBinaryInstruction GlslFMin; public readonly FuncBinaryInstruction GlslFMin;
public readonly FuncBinaryInstruction GlslSMin; public readonly FuncBinaryInstruction GlslSMin;
public readonly FuncBinaryInstruction FMod;
public readonly FuncBinaryInstruction FMul; public readonly FuncBinaryInstruction FMul;
public readonly FuncBinaryInstruction IMul; public readonly FuncBinaryInstruction IMul;
public readonly FuncBinaryInstruction FSub; public readonly FuncBinaryInstruction FSub;
@ -174,6 +175,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
GlslSMax = context.GlslSMax; GlslSMax = context.GlslSMax;
GlslFMin = context.GlslFMin; GlslFMin = context.GlslFMin;
GlslSMin = context.GlslSMin; GlslSMin = context.GlslSMin;
FMod = context.FMod;
FMul = context.FMul; FMul = context.FMul;
IMul = context.IMul; IMul = context.IMul;
FSub = context.FSub; FSub = context.FSub;

5
src/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs
View file

@ -144,10 +144,9 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
private static void Generate(CodeGenContext context, StructuredProgramInfo info, int funcIndex) private static void Generate(CodeGenContext context, StructuredProgramInfo info, int funcIndex)
{ {
var function = info.Functions[funcIndex]; (var function, var spvFunc) = context.GetFunction(funcIndex);
(_, var spvFunc) = context.GetFunction(funcIndex);
context.CurrentFunction = function;
context.AddFunction(spvFunc); context.AddFunction(spvFunc);
context.StartFunction(); context.StartFunction();

1
src/Ryujinx.Graphics.Shader/IntermediateRepresentation/Instruction.cs
View file

@ -97,6 +97,7 @@ namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
MemoryBarrier, MemoryBarrier,
Minimum, Minimum,
MinimumU32, MinimumU32,
Modulo,
Multiply, Multiply,
MultiplyHighS32, MultiplyHighS32,
MultiplyHighU32, MultiplyHighU32,

7
src/Ryujinx.Graphics.Shader/Ryujinx.Graphics.Shader.csproj
View file

@ -4,10 +4,6 @@
<TargetFramework>net7.0</TargetFramework> <TargetFramework>net7.0</TargetFramework>
</PropertyGroup> </PropertyGroup>
<ItemGroup>
<None Remove="CodeGen\Glsl\HelperFunctions\TexelFetchScale_vp.glsl" />
</ItemGroup>
<ItemGroup> <ItemGroup>
<ProjectReference Include="..\Ryujinx.Common\Ryujinx.Common.csproj" /> <ProjectReference Include="..\Ryujinx.Common\Ryujinx.Common.csproj" />
<ProjectReference Include="..\Spv.Generator\Spv.Generator.csproj" /> <ProjectReference Include="..\Spv.Generator\Spv.Generator.csproj" />
@ -25,9 +21,6 @@
<EmbeddedResource Include="CodeGen\Glsl\HelperFunctions\StoreSharedSmallInt.glsl" /> <EmbeddedResource Include="CodeGen\Glsl\HelperFunctions\StoreSharedSmallInt.glsl" />
<EmbeddedResource Include="CodeGen\Glsl\HelperFunctions\StoreStorageSmallInt.glsl" /> <EmbeddedResource Include="CodeGen\Glsl\HelperFunctions\StoreStorageSmallInt.glsl" />
<EmbeddedResource Include="CodeGen\Glsl\HelperFunctions\SwizzleAdd.glsl" /> <EmbeddedResource Include="CodeGen\Glsl\HelperFunctions\SwizzleAdd.glsl" />
<EmbeddedResource Include="CodeGen\Glsl\HelperFunctions\TexelFetchScale_vp.glsl" />
<EmbeddedResource Include="CodeGen\Glsl\HelperFunctions\TexelFetchScale_fp.glsl" />
<EmbeddedResource Include="CodeGen\Glsl\HelperFunctions\TexelFetchScale_cp.glsl" />
</ItemGroup> </ItemGroup>
</Project> </Project>

5
src/Ryujinx.Graphics.Shader/StructuredIr/AstTextureOperation.cs
View file

@ -27,10 +27,5 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
CbufSlot = cbufSlot; CbufSlot = cbufSlot;
Handle = handle; Handle = handle;
} }
public AstTextureOperation WithType(SamplerType type)
{
return new AstTextureOperation(Inst, type, Format, Flags, CbufSlot, Handle, Index);
}
} }
} }

1
src/Ryujinx.Graphics.Shader/StructuredIr/InstructionInfo.cs
View file

@ -104,6 +104,7 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
Add(Instruction.MaximumU32, AggregateType.U32, AggregateType.U32, AggregateType.U32); Add(Instruction.MaximumU32, AggregateType.U32, AggregateType.U32, AggregateType.U32);
Add(Instruction.Minimum, AggregateType.Scalar, AggregateType.Scalar, AggregateType.Scalar); Add(Instruction.Minimum, AggregateType.Scalar, AggregateType.Scalar, AggregateType.Scalar);
Add(Instruction.MinimumU32, AggregateType.U32, AggregateType.U32, AggregateType.U32); Add(Instruction.MinimumU32, AggregateType.U32, AggregateType.U32, AggregateType.U32);
Add(Instruction.Modulo, AggregateType.Scalar, AggregateType.Scalar, AggregateType.Scalar);
Add(Instruction.Multiply, AggregateType.Scalar, AggregateType.Scalar, AggregateType.Scalar); Add(Instruction.Multiply, AggregateType.Scalar, AggregateType.Scalar, AggregateType.Scalar);
Add(Instruction.MultiplyHighS32, AggregateType.S32, AggregateType.S32, AggregateType.S32); Add(Instruction.MultiplyHighS32, AggregateType.S32, AggregateType.S32, AggregateType.S32);
Add(Instruction.MultiplyHighU32, AggregateType.U32, AggregateType.U32, AggregateType.U32); Add(Instruction.MultiplyHighU32, AggregateType.U32, AggregateType.U32, AggregateType.U32);

4
src/Ryujinx.Graphics.Shader/StructuredIr/StructuredProgram.cs
View file

@ -8,11 +8,11 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
{ {
static class StructuredProgram static class StructuredProgram
{ {
public static StructuredProgramInfo MakeStructuredProgram(Function[] functions, ShaderConfig config) public static StructuredProgramInfo MakeStructuredProgram(IReadOnlyList<Function> functions, ShaderConfig config)
{ {
StructuredProgramContext context = new StructuredProgramContext(config); StructuredProgramContext context = new StructuredProgramContext(config);
for (int funcIndex = 0; funcIndex < functions.Length; funcIndex++) for (int funcIndex = 0; funcIndex < functions.Count; funcIndex++)
{ {
Function function = functions[funcIndex]; Function function = functions[funcIndex];

10
src/Ryujinx.Graphics.Shader/Translation/EmitterContext.cs
View file

@ -49,13 +49,17 @@ namespace Ryujinx.Graphics.Shader.Translation
private readonly List<Operation> _operations; private readonly List<Operation> _operations;
private readonly Dictionary<ulong, BlockLabel> _labels; private readonly Dictionary<ulong, BlockLabel> _labels;
public EmitterContext(DecodedProgram program, ShaderConfig config, bool isNonMain) public EmitterContext()
{
_operations = new List<Operation>();
_labels = new Dictionary<ulong, BlockLabel>();
}
public EmitterContext(DecodedProgram program, ShaderConfig config, bool isNonMain) : this()
{ {
Program = program; Program = program;
Config = config; Config = config;
IsNonMain = isNonMain; IsNonMain = isNonMain;
_operations = new List<Operation>();
_labels = new Dictionary<ulong, BlockLabel>();
EmitStart(); EmitStart();
} }

6
src/Ryujinx.Graphics.Shader/Translation/EmitterContextInsts.cs
View file

@ -307,6 +307,11 @@ namespace Ryujinx.Graphics.Shader.Translation
return context.Add(fpType | Instruction.Minimum, Local(), a, b); return context.Add(fpType | Instruction.Minimum, Local(), a, b);
} }
public static Operand FPModulo(this EmitterContext context, Operand a, Operand b, Instruction fpType = Instruction.FP32)
{
return context.Add(fpType | Instruction.Modulo, Local(), a, b);
}
public static Operand FPMultiply(this EmitterContext context, Operand a, Operand b, Instruction fpType = Instruction.FP32) public static Operand FPMultiply(this EmitterContext context, Operand a, Operand b, Instruction fpType = Instruction.FP32)
{ {
return context.Add(fpType | Instruction.Multiply, Local(), a, b); return context.Add(fpType | Instruction.Multiply, Local(), a, b);
@ -656,7 +661,6 @@ namespace Ryujinx.Graphics.Shader.Translation
public static void Return(this EmitterContext context, Operand returnValue) public static void Return(this EmitterContext context, Operand returnValue)
{ {
context.PrepareForReturn();
context.Add(Instruction.Return, null, returnValue); context.Add(Instruction.Return, null, returnValue);
} }

134
src/Ryujinx.Graphics.Shader/Translation/HelperFunctionManager.cs Normal file
View file

@ -0,0 +1,134 @@
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using System;
using System.Collections.Generic;
using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
namespace Ryujinx.Graphics.Shader.Translation
{
class HelperFunctionManager
{
private readonly List<Function> _functionList;
private readonly Dictionary<HelperFunctionName, int> _functionIds;
private readonly ShaderStage _stage;
public HelperFunctionManager(List<Function> functionList, ShaderStage stage)
{
_functionList = functionList;
_functionIds = new Dictionary<HelperFunctionName, int>();
_stage = stage;
}
public int GetOrCreateFunctionId(HelperFunctionName functionName)
{
if (_functionIds.TryGetValue(functionName, out int functionId))
{
return functionId;
}
Function function = GenerateFunction(functionName);
functionId = _functionList.Count;
_functionList.Add(function);
_functionIds.Add(functionName, functionId);
return functionId;
}
private Function GenerateFunction(HelperFunctionName functionName)
{
return functionName switch
{
HelperFunctionName.TexelFetchScale => GenerateTexelFetchScaleFunction(),
HelperFunctionName.TextureSizeUnscale => GenerateTextureSizeUnscaleFunction(),
_ => throw new ArgumentException($"Invalid function name {functionName}")
};
}
private Function GenerateTexelFetchScaleFunction()
{
EmitterContext context = new EmitterContext();
Operand input = Argument(0);
Operand samplerIndex = Argument(1);
Operand index = GetScaleIndex(context, samplerIndex);
Operand scale = context.Load(StorageKind.ConstantBuffer, 0, Const((int)SupportBufferField.RenderScale), index);
Operand scaleIsOne = context.FPCompareEqual(scale, ConstF(1f));
Operand lblScaleNotOne = Label();
context.BranchIfFalse(lblScaleNotOne, scaleIsOne);
context.Return(input);
context.MarkLabel(lblScaleNotOne);
int inArgumentsCount;
if (_stage == ShaderStage.Fragment)
{
Operand scaleIsLessThanZero = context.FPCompareLess(scale, ConstF(0f));
Operand lblScaleGreaterOrEqualZero = Label();
context.BranchIfFalse(lblScaleGreaterOrEqualZero, scaleIsLessThanZero);
Operand negScale = context.FPNegate(scale);
Operand inputScaled = context.FPMultiply(context.IConvertS32ToFP32(input), negScale);
Operand fragCoordX = context.Load(StorageKind.Input, IoVariable.FragmentCoord, null, Const(0));
Operand fragCoordY = context.Load(StorageKind.Input, IoVariable.FragmentCoord, null, Const(1));
Operand fragCoord = context.ConditionalSelect(Argument(2), fragCoordY, fragCoordX);
Operand inputBias = context.FPModulo(fragCoord, negScale);
Operand inputWithBias = context.FPAdd(inputScaled, inputBias);
context.Return(context.FP32ConvertToS32(inputWithBias));
context.MarkLabel(lblScaleGreaterOrEqualZero);
inArgumentsCount = 3;
}
else
{
inArgumentsCount = 2;
}
Operand inputScaled2 = context.FPMultiply(context.IConvertS32ToFP32(input), scale);
context.Return(context.FP32ConvertToS32(inputScaled2));
return new Function(ControlFlowGraph.Create(context.GetOperations()).Blocks, "TexelFetchScale", true, inArgumentsCount, 0);
}
private Function GenerateTextureSizeUnscaleFunction()
{
EmitterContext context = new EmitterContext();
Operand input = Argument(0);
Operand samplerIndex = Argument(1);
Operand index = GetScaleIndex(context, samplerIndex);
Operand scale = context.FPAbsolute(context.Load(StorageKind.ConstantBuffer, 0, Const((int)SupportBufferField.RenderScale), index));
Operand scaleIsOne = context.FPCompareEqual(scale, ConstF(1f));
Operand lblScaleNotOne = Label();
context.BranchIfFalse(lblScaleNotOne, scaleIsOne);
context.Return(input);
context.MarkLabel(lblScaleNotOne);
Operand inputUnscaled = context.FPDivide(context.IConvertS32ToFP32(input), scale);
context.Return(context.FP32ConvertToS32(inputUnscaled));
return new Function(ControlFlowGraph.Create(context.GetOperations()).Blocks, "TextureSizeUnscale", true, 2, 0);
}
private Operand GetScaleIndex(EmitterContext context, Operand index)
{
switch (_stage)
{
case ShaderStage.Vertex:
Operand fragScaleCount = context.Load(StorageKind.ConstantBuffer, 0, Const((int)SupportBufferField.FragmentRenderScaleCount));
return context.IAdd(Const(1), context.IAdd(index, fragScaleCount));
default:
return context.IAdd(Const(1), index);
}
}
}
}

11
src/Ryujinx.Graphics.Shader/Translation/HelperFunctionName.cs Normal file
View file

@ -0,0 +1,11 @@
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using System.Collections.Generic;
namespace Ryujinx.Graphics.Shader.Translation
{
enum HelperFunctionName
{
TexelFetchScale,
TextureSizeUnscale
}
}

445
src/Ryujinx.Graphics.Shader/Translation/Rewriter.cs
View file

@ -11,7 +11,7 @@ namespace Ryujinx.Graphics.Shader.Translation
{ {
static class Rewriter static class Rewriter
{ {
public static void RunPass(BasicBlock[] blocks, ShaderConfig config) public static void RunPass(HelperFunctionManager hfm, BasicBlock[] blocks, ShaderConfig config)
{ {
bool isVertexShader = config.Stage == ShaderStage.Vertex; bool isVertexShader = config.Stage == ShaderStage.Vertex;
bool hasConstantBufferDrawParameters = config.GpuAccessor.QueryHasConstantBufferDrawParameters(); bool hasConstantBufferDrawParameters = config.GpuAccessor.QueryHasConstantBufferDrawParameters();
@ -54,9 +54,14 @@ namespace Ryujinx.Graphics.Shader.Translation
if (operation is TextureOperation texOp) if (operation is TextureOperation texOp)
{ {
node = InsertTexelFetchScale(hfm, node, config);
node = InsertTextureSizeUnscale(hfm, node, config);
if (texOp.Inst == Instruction.TextureSample) if (texOp.Inst == Instruction.TextureSample)
{ {
node = RewriteTextureSample(node, config); node = InsertCoordNormalization(node, config);
node = InsertCoordGatherBias(node, config);
node = InsertConstOffsets(node, config);
if (texOp.Type == SamplerType.TextureBuffer && !supportsSnormBufferTextureFormat) if (texOp.Type == SamplerType.TextureBuffer && !supportsSnormBufferTextureFormat)
{ {
@ -344,10 +349,279 @@ namespace Ryujinx.Graphics.Shader.Translation
return node; return node;
} }
private static LinkedListNode<INode> RewriteTextureSample(LinkedListNode<INode> node, ShaderConfig config) private static LinkedListNode<INode> InsertTexelFetchScale(HelperFunctionManager hfm, LinkedListNode<INode> node, ShaderConfig config)
{ {
TextureOperation texOp = (TextureOperation)node.Value; TextureOperation texOp = (TextureOperation)node.Value;
bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
bool intCoords = (texOp.Flags & TextureFlags.IntCoords) != 0;
bool isArray = (texOp.Type & SamplerType.Array) != 0;
bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
int coordsCount = texOp.Type.GetDimensions();
int coordsIndex = isBindless || isIndexed ? 1 : 0;
bool isImage = IsImageInstructionWithScale(texOp.Inst);
if ((texOp.Inst == Instruction.TextureSample || isImage) &&
intCoords &&
!isBindless &&
!isIndexed &&
config.Stage.SupportsRenderScale() &&
TypeSupportsScale(texOp.Type))
{
int functionId = hfm.GetOrCreateFunctionId(HelperFunctionName.TexelFetchScale);
int samplerIndex = isImage
? config.GetTextureDescriptors().Length + config.FindImageDescriptorIndex(texOp)
: config.FindTextureDescriptorIndex(texOp);
for (int index = 0; index < coordsCount; index++)
{
Operand scaledCoord = Local();
Operand[] callArgs;
if (config.Stage == ShaderStage.Fragment)
{
callArgs = new Operand[] { Const(functionId), texOp.GetSource(coordsIndex + index), Const(samplerIndex), Const(index) };
}
else
{
callArgs = new Operand[] { Const(functionId), texOp.GetSource(coordsIndex + index), Const(samplerIndex) };
}
node.List.AddBefore(node, new Operation(Instruction.Call, 0, scaledCoord, callArgs));
texOp.SetSource(coordsIndex + index, scaledCoord);
}
}
return node;
}
private static LinkedListNode<INode> InsertTextureSizeUnscale(HelperFunctionManager hfm, LinkedListNode<INode> node, ShaderConfig config)
{
TextureOperation texOp = (TextureOperation)node.Value;
bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
bool intCoords = (texOp.Flags & TextureFlags.IntCoords) != 0;
bool isArray = (texOp.Type & SamplerType.Array) != 0;
bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
if (texOp.Inst == Instruction.TextureSize &&
texOp.Index < 2 &&
!isBindless &&
!isIndexed &&
config.Stage.SupportsRenderScale() &&
TypeSupportsScale(texOp.Type))
{
int functionId = hfm.GetOrCreateFunctionId(HelperFunctionName.TextureSizeUnscale);
int samplerIndex = config.FindTextureDescriptorIndex(texOp, ignoreType: true);
for (int index = texOp.DestsCount - 1; index >= 0; index--)
{
Operand dest = texOp.GetDest(index);
Operand unscaledSize = Local();
// Replace all uses with the unscaled size value.
// This must be done before the call is added, since it also is a use of the original size.
foreach (INode useOp in dest.UseOps)
{
for (int srcIndex = 0; srcIndex < useOp.SourcesCount; srcIndex++)
{
if (useOp.GetSource(srcIndex) == dest)
{
useOp.SetSource(srcIndex, unscaledSize);
}
}
}
Operand[] callArgs = new Operand[] { Const(functionId), dest, Const(samplerIndex) };
node.List.AddAfter(node, new Operation(Instruction.Call, 0, unscaledSize, callArgs));
}
}
return node;
}
private static bool IsImageInstructionWithScale(Instruction inst)
{
// Currently, we don't support scaling images that are modified,
// so we only need to care about the load instruction.
return inst == Instruction.ImageLoad;
}
private static bool TypeSupportsScale(SamplerType type)
{
return (type & SamplerType.Mask) == SamplerType.Texture2D;
}
private static LinkedListNode<INode> InsertCoordNormalization(LinkedListNode<INode> node, ShaderConfig config)
{
// Emulate non-normalized coordinates by normalizing the coordinates on the shader.
// Without normalization, the coordinates are expected to the in the [0, W or H] range,
// and otherwise, it is expected to be in the [0, 1] range.
// We normalize by dividing the coords by the texture size.
TextureOperation texOp = (TextureOperation)node.Value;
bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
bool intCoords = (texOp.Flags & TextureFlags.IntCoords) != 0;
bool isCoordNormalized = isBindless || config.GpuAccessor.QueryTextureCoordNormalized(texOp.Handle, texOp.CbufSlot);
if (isCoordNormalized || intCoords)
{
return node;
}
bool isArray = (texOp.Type & SamplerType.Array) != 0;
bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
int coordsCount = texOp.Type.GetDimensions();
int coordsIndex = isBindless || isIndexed ? 1 : 0;
config.SetUsedFeature(FeatureFlags.IntegerSampling);
int normCoordsCount = (texOp.Type & SamplerType.Mask) == SamplerType.TextureCube ? 2 : coordsCount;
for (int index = 0; index < normCoordsCount; index++)
{
Operand coordSize = Local();
Operand[] texSizeSources;
if (isBindless || isIndexed)
{
texSizeSources = new Operand[] { texOp.GetSource(0), Const(0) };
}
else
{
texSizeSources = new Operand[] { Const(0) };
}
node.List.AddBefore(node, new TextureOperation(
Instruction.TextureSize,
texOp.Type,
texOp.Format,
texOp.Flags,
texOp.CbufSlot,
texOp.Handle,
index,
new[] { coordSize },
texSizeSources));
config.SetUsedTexture(Instruction.TextureSize, texOp.Type, texOp.Format, texOp.Flags, texOp.CbufSlot, texOp.Handle);
Operand source = texOp.GetSource(coordsIndex + index);
Operand coordNormalized = Local();
node.List.AddBefore(node, new Operation(Instruction.FP32 | Instruction.Divide, coordNormalized, source, GenerateI2f(node, coordSize)));
texOp.SetSource(coordsIndex + index, coordNormalized);
}
return node;
}
private static LinkedListNode<INode> InsertCoordGatherBias(LinkedListNode<INode> node, ShaderConfig config)
{
// The gather behavior when the coordinate sits right in the middle of two texels is not well defined.
// To ensure the correct texel is sampled, we add a small bias value to the coordinate.
// This value is calculated as the minimum value required to change the texel it will sample from,
// and is 0 if the host does not require the bias.
TextureOperation texOp = (TextureOperation)node.Value;
bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
bool isGather = (texOp.Flags & TextureFlags.Gather) != 0;
int gatherBiasPrecision = config.GpuAccessor.QueryHostGatherBiasPrecision();
if (!isGather || gatherBiasPrecision == 0)
{
return node;
}
bool intCoords = (texOp.Flags & TextureFlags.IntCoords) != 0;
bool isArray = (texOp.Type & SamplerType.Array) != 0;
bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
int coordsCount = texOp.Type.GetDimensions();
int coordsIndex = isBindless || isIndexed ? 1 : 0;
config.SetUsedFeature(FeatureFlags.IntegerSampling);
int normCoordsCount = (texOp.Type & SamplerType.Mask) == SamplerType.TextureCube ? 2 : coordsCount;
for (int index = 0; index < normCoordsCount; index++)
{
Operand coordSize = Local();
Operand scaledSize = Local();
Operand bias = Local();
Operand[] texSizeSources;
if (isBindless || isIndexed)
{
texSizeSources = new Operand[] { texOp.GetSource(0), Const(0) };
}
else
{
texSizeSources = new Operand[] { Const(0) };
}
node.List.AddBefore(node, new TextureOperation(
Instruction.TextureSize,
texOp.Type,
texOp.Format,
texOp.Flags,
texOp.CbufSlot,
texOp.Handle,
index,
new[] { coordSize },
texSizeSources));
config.SetUsedTexture(Instruction.TextureSize, texOp.Type, texOp.Format, texOp.Flags, texOp.CbufSlot, texOp.Handle);
node.List.AddBefore(node, new Operation(
Instruction.FP32 | Instruction.Multiply,
scaledSize,
GenerateI2f(node, coordSize),
ConstF((float)(1 << (gatherBiasPrecision + 1)))));
node.List.AddBefore(node, new Operation(Instruction.FP32 | Instruction.Divide, bias, ConstF(1f), scaledSize));
Operand source = texOp.GetSource(coordsIndex + index);
Operand coordBiased = Local();
node.List.AddBefore(node, new Operation(Instruction.FP32 | Instruction.Add, coordBiased, source, bias));
texOp.SetSource(coordsIndex + index, coordBiased);
}
return node;
}
private static LinkedListNode<INode> InsertConstOffsets(LinkedListNode<INode> node, ShaderConfig config)
{
// Non-constant texture offsets are not allowed (according to the spec),
// however some GPUs does support that.
// For GPUs where it is not supported, we can replace the instruction with the following:
// For texture*Offset, we replace it by texture*, and add the offset to the P coords.
// The offset can be calculated as offset / textureSize(lod), where lod = textureQueryLod(coords).
// For texelFetchOffset, we replace it by texelFetch and add the offset to the P coords directly.
// For textureGatherOffset, we split the operation into up to 4 operations, one for each component
// that is accessed, where each textureGather operation has a different offset for each pixel.
TextureOperation texOp = (TextureOperation)node.Value;
bool hasOffset = (texOp.Flags & TextureFlags.Offset) != 0; bool hasOffset = (texOp.Flags & TextureFlags.Offset) != 0;
bool hasOffsets = (texOp.Flags & TextureFlags.Offsets) != 0; bool hasOffsets = (texOp.Flags & TextureFlags.Offsets) != 0;
@ -355,9 +629,7 @@ namespace Ryujinx.Graphics.Shader.Translation
bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0; bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
bool isCoordNormalized = isBindless || config.GpuAccessor.QueryTextureCoordNormalized(texOp.Handle, texOp.CbufSlot); if (!hasInvalidOffset)
if (!hasInvalidOffset && isCoordNormalized)
{ {
return node; return node;
} }
@ -454,7 +726,7 @@ namespace Ryujinx.Graphics.Shader.Translation
hasInvalidOffset &= !areAllOffsetsConstant; hasInvalidOffset &= !areAllOffsetsConstant;
if (!hasInvalidOffset && isCoordNormalized) if (!hasInvalidOffset)
{ {
return node; return node;
} }
@ -473,63 +745,6 @@ namespace Ryujinx.Graphics.Shader.Translation
int componentIndex = texOp.Index; int componentIndex = texOp.Index;
Operand Float(Operand value)
{
Operand res = Local();
node.List.AddBefore(node, new Operation(Instruction.ConvertS32ToFP32, res, value));
return res;
}
// Emulate non-normalized coordinates by normalizing the coordinates on the shader.
// Without normalization, the coordinates are expected to the in the [0, W or H] range,
// and otherwise, it is expected to be in the [0, 1] range.
// We normalize by dividing the coords by the texture size.
if (!isCoordNormalized && !intCoords)
{
config.SetUsedFeature(FeatureFlags.IntegerSampling);
int normCoordsCount = (texOp.Type & SamplerType.Mask) == SamplerType.TextureCube ? 2 : coordsCount;
for (int index = 0; index < normCoordsCount; index++)
{
Operand coordSize = Local();
Operand[] texSizeSources;
if (isBindless || isIndexed)
{
texSizeSources = new Operand[] { sources[0], Const(0) };
}
else
{
texSizeSources = new Operand[] { Const(0) };
}
node.List.AddBefore(node, new TextureOperation(
Instruction.TextureSize,
texOp.Type,
texOp.Format,
texOp.Flags,
texOp.CbufSlot,
texOp.Handle,
index,
new[] { coordSize },
texSizeSources));
config.SetUsedTexture(Instruction.TextureSize, texOp.Type, texOp.Format, texOp.Flags, texOp.CbufSlot, texOp.Handle);
Operand source = sources[coordsIndex + index];
Operand coordNormalized = Local();
node.List.AddBefore(node, new Operation(Instruction.FP32 | Instruction.Divide, coordNormalized, source, Float(coordSize)));
sources[coordsIndex + index] = coordNormalized;
}
}
Operand[] dests = new Operand[texOp.DestsCount]; Operand[] dests = new Operand[texOp.DestsCount];
for (int i = 0; i < texOp.DestsCount; i++) for (int i = 0; i < texOp.DestsCount; i++)
@ -541,15 +756,7 @@ namespace Ryujinx.Graphics.Shader.Translation
LinkedListNode<INode> oldNode = node; LinkedListNode<INode> oldNode = node;
// Technically, non-constant texture offsets are not allowed (according to the spec), if (isGather && !isShadow)
// however some GPUs does support that.
// For GPUs where it is not supported, we can replace the instruction with the following:
// For texture*Offset, we replace it by texture*, and add the offset to the P coords.
// The offset can be calculated as offset / textureSize(lod), where lod = textureQueryLod(coords).
// For texelFetchOffset, we replace it by texelFetch and add the offset to the P coords directly.
// For textureGatherOffset, we split the operation into up to 4 operations, one for each component
// that is accessed, where each textureGather operation has a different offset for each pixel.
if (hasInvalidOffset && isGather && !isShadow)
{ {
config.SetUsedFeature(FeatureFlags.IntegerSampling); config.SetUsedFeature(FeatureFlags.IntegerSampling);
@ -557,7 +764,7 @@ namespace Ryujinx.Graphics.Shader.Translation
sources.CopyTo(newSources, 0); sources.CopyTo(newSources, 0);
Operand[] texSizes = InsertTextureSize(node, texOp, lodSources, bindlessHandle, coordsCount); Operand[] texSizes = InsertTextureLod(node, texOp, lodSources, bindlessHandle, coordsCount);
int destIndex = 0; int destIndex = 0;
@ -576,7 +783,11 @@ namespace Ryujinx.Graphics.Shader.Translation
Operand intOffset = offsets[index + (hasOffsets ? compIndex * coordsCount : 0)]; Operand intOffset = offsets[index + (hasOffsets ? compIndex * coordsCount : 0)];
node.List.AddBefore(node, new Operation(Instruction.FP32 | Instruction.Divide, offset, Float(intOffset), Float(texSizes[index]))); node.List.AddBefore(node, new Operation(
Instruction.FP32 | Instruction.Divide,
offset,
GenerateI2f(node, intOffset),
GenerateI2f(node, texSizes[index])));
Operand source = sources[coordsIndex + index]; Operand source = sources[coordsIndex + index];
@ -603,45 +814,46 @@ namespace Ryujinx.Graphics.Shader.Translation
} }
else else
{ {
if (hasInvalidOffset) if (intCoords)
{ {
if (intCoords) for (int index = 0; index < coordsCount; index++)
{ {
for (int index = 0; index < coordsCount; index++) Operand source = sources[coordsIndex + index];
{
Operand source = sources[coordsIndex + index];
Operand coordPlusOffset = Local(); Operand coordPlusOffset = Local();
node.List.AddBefore(node, new Operation(Instruction.Add, coordPlusOffset, source, offsets[index])); node.List.AddBefore(node, new Operation(Instruction.Add, coordPlusOffset, source, offsets[index]));
sources[coordsIndex + index] = coordPlusOffset; sources[coordsIndex + index] = coordPlusOffset;
}
} }
else }
else
{
config.SetUsedFeature(FeatureFlags.IntegerSampling);
Operand[] texSizes = InsertTextureLod(node, texOp, lodSources, bindlessHandle, coordsCount);
for (int index = 0; index < coordsCount; index++)
{ {
config.SetUsedFeature(FeatureFlags.IntegerSampling); config.SetUsedTexture(Instruction.TextureSize, texOp.Type, texOp.Format, texOp.Flags, texOp.CbufSlot, texOp.Handle);
Operand[] texSizes = InsertTextureSize(node, texOp, lodSources, bindlessHandle, coordsCount); Operand offset = Local();
for (int index = 0; index < coordsCount; index++) Operand intOffset = offsets[index];
{
config.SetUsedTexture(Instruction.TextureSize, texOp.Type, texOp.Format, texOp.Flags, texOp.CbufSlot, texOp.Handle);
Operand offset = Local(); node.List.AddBefore(node, new Operation(
Instruction.FP32 | Instruction.Divide,
offset,
GenerateI2f(node, intOffset),
GenerateI2f(node, texSizes[index])));
Operand intOffset = offsets[index]; Operand source = sources[coordsIndex + index];
node.List.AddBefore(node, new Operation(Instruction.FP32 | Instruction.Divide, offset, Float(intOffset), Float(texSizes[index]))); Operand coordPlusOffset = Local();
Operand source = sources[coordsIndex + index]; node.List.AddBefore(node, new Operation(Instruction.FP32 | Instruction.Add, coordPlusOffset, source, offset));
Operand coordPlusOffset = Local(); sources[coordsIndex + index] = coordPlusOffset;
node.List.AddBefore(node, new Operation(Instruction.FP32 | Instruction.Add, coordPlusOffset, source, offset));
sources[coordsIndex + index] = coordPlusOffset;
}
} }
} }
@ -669,22 +881,13 @@ namespace Ryujinx.Graphics.Shader.Translation
return node; return node;
} }
private static Operand[] InsertTextureSize( private static Operand[] InsertTextureLod(
LinkedListNode<INode> node, LinkedListNode<INode> node,
TextureOperation texOp, TextureOperation texOp,
Operand[] lodSources, Operand[] lodSources,
Operand bindlessHandle, Operand bindlessHandle,
int coordsCount) int coordsCount)
{ {
Operand Int(Operand value)
{
Operand res = Local();
node.List.AddBefore(node, new Operation(Instruction.ConvertFP32ToS32, res, value));
return res;
}
Operand[] texSizes = new Operand[coordsCount]; Operand[] texSizes = new Operand[coordsCount];
Operand lod = Local(); Operand lod = Local();
@ -708,11 +911,11 @@ namespace Ryujinx.Graphics.Shader.Translation
if (bindlessHandle != null) if (bindlessHandle != null)
{ {
texSizeSources = new Operand[] { bindlessHandle, Int(lod) }; texSizeSources = new Operand[] { bindlessHandle, GenerateF2i(node, lod) };
} }
else else
{ {
texSizeSources = new Operand[] { Int(lod) }; texSizeSources = new Operand[] { GenerateF2i(node, lod) };
} }
node.List.AddBefore(node, new TextureOperation( node.List.AddBefore(node, new TextureOperation(
@ -796,6 +999,24 @@ namespace Ryujinx.Graphics.Shader.Translation
return node; return node;
} }
private static Operand GenerateI2f(LinkedListNode<INode> node, Operand value)
{
Operand res = Local();
node.List.AddBefore(node, new Operation(Instruction.ConvertS32ToFP32, res, value));
return res;
}
private static Operand GenerateF2i(LinkedListNode<INode> node, Operand value)
{
Operand res = Local();
node.List.AddBefore(node, new Operation(Instruction.ConvertFP32ToS32, res, value));
return res;
}
private static bool ReplaceConstantBufferWithDrawParameters(LinkedListNode<INode> node, Operation operation) private static bool ReplaceConstantBufferWithDrawParameters(LinkedListNode<INode> node, Operation operation)
{ {
Operand GenerateLoad(IoVariable ioVariable) Operand GenerateLoad(IoVariable ioVariable)

30
src/Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs
View file

@ -860,7 +860,7 @@ namespace Ryujinx.Graphics.Shader.Translation
return descriptors; return descriptors;
} }
public (TextureDescriptor, int) FindTextureDescriptor(AstTextureOperation texOp) public TextureDescriptor FindTextureDescriptor(AstTextureOperation texOp)
{ {
TextureDescriptor[] descriptors = GetTextureDescriptors(); TextureDescriptor[] descriptors = GetTextureDescriptors();
@ -872,11 +872,11 @@ namespace Ryujinx.Graphics.Shader.Translation
descriptor.HandleIndex == texOp.Handle && descriptor.HandleIndex == texOp.Handle &&
descriptor.Format == texOp.Format) descriptor.Format == texOp.Format)
{ {
return (descriptor, i); return descriptor;
} }
} }
return (default, -1); return default;
} }
private static int FindDescriptorIndex(TextureDescriptor[] array, AstTextureOperation texOp) private static int FindDescriptorIndex(TextureDescriptor[] array, AstTextureOperation texOp)
@ -897,12 +897,30 @@ namespace Ryujinx.Graphics.Shader.Translation
return -1; return -1;
} }
public int FindTextureDescriptorIndex(AstTextureOperation texOp) private static int FindDescriptorIndex(TextureDescriptor[] array, TextureOperation texOp, bool ignoreType = false)
{ {
return FindDescriptorIndex(GetTextureDescriptors(), texOp); for (int i = 0; i < array.Length; i++)
{
var descriptor = array[i];
if ((descriptor.Type == texOp.Type || ignoreType) &&
descriptor.CbufSlot == texOp.CbufSlot &&
descriptor.HandleIndex == texOp.Handle &&
descriptor.Format == texOp.Format)
{
return i;
}
}
return -1;
} }
public int FindImageDescriptorIndex(AstTextureOperation texOp) public int FindTextureDescriptorIndex(TextureOperation texOp, bool ignoreType = false)
{
return FindDescriptorIndex(GetTextureDescriptors(), texOp, ignoreType);
}
public int FindImageDescriptorIndex(TextureOperation texOp)
{ {
return FindDescriptorIndex(GetImageDescriptors(), texOp); return FindDescriptorIndex(GetImageDescriptors(), texOp);
} }

8
src/Ryujinx.Graphics.Shader/Translation/ShaderIdentifier.cs
View file

@ -1,11 +1,11 @@
using Ryujinx.Graphics.Shader.IntermediateRepresentation; using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper; using System.Collections.Generic;
namespace Ryujinx.Graphics.Shader.Translation namespace Ryujinx.Graphics.Shader.Translation
{ {
static class ShaderIdentifier static class ShaderIdentifier
{ {
public static ShaderIdentification Identify(Function[] functions, ShaderConfig config) public static ShaderIdentification Identify(IReadOnlyList<Function> functions, ShaderConfig config)
{ {
if (config.Stage == ShaderStage.Geometry && if (config.Stage == ShaderStage.Geometry &&
config.GpuAccessor.QueryPrimitiveTopology() == InputTopology.Triangles && config.GpuAccessor.QueryPrimitiveTopology() == InputTopology.Triangles &&
@ -20,12 +20,12 @@ namespace Ryujinx.Graphics.Shader.Translation
return ShaderIdentification.None; return ShaderIdentification.None;
} }
private static bool IsLayerPassthroughGeometryShader(Function[] functions, out int layerInputAttr) private static bool IsLayerPassthroughGeometryShader(IReadOnlyList<Function> functions, out int layerInputAttr)
{ {
bool writesLayer = false; bool writesLayer = false;
layerInputAttr = 0; layerInputAttr = 0;
if (functions.Length != 1) if (functions.Count != 1)
{ {
return false; return false;
} }

12
src/Ryujinx.Graphics.Shader/Translation/Translator.cs
View file

@ -5,6 +5,7 @@ using Ryujinx.Graphics.Shader.IntermediateRepresentation;
using Ryujinx.Graphics.Shader.StructuredIr; using Ryujinx.Graphics.Shader.StructuredIr;
using Ryujinx.Graphics.Shader.Translation.Optimizations; using Ryujinx.Graphics.Shader.Translation.Optimizations;
using System; using System;
using System.Collections.Generic;
using System.Linq; using System.Linq;
using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper; using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
@ -44,7 +45,14 @@ namespace Ryujinx.Graphics.Shader.Translation
} }
} }
Function[] funcs = new Function[functions.Length]; List<Function> funcs = new List<Function>(functions.Length);
for (int i = 0; i < functions.Length; i++)
{
funcs.Add(null);
}
HelperFunctionManager hfm = new HelperFunctionManager(funcs, config.Stage);
for (int i = 0; i < functions.Length; i++) for (int i = 0; i < functions.Length; i++)
{ {
@ -71,7 +79,7 @@ namespace Ryujinx.Graphics.Shader.Translation
Ssa.Rename(cfg.Blocks); Ssa.Rename(cfg.Blocks);
Optimizer.RunPass(cfg.Blocks, config); Optimizer.RunPass(cfg.Blocks, config);
Rewriter.RunPass(cfg.Blocks, config); Rewriter.RunPass(hfm, cfg.Blocks, config);
} }
funcs[i] = new Function(cfg.Blocks, $"fun{i}", false, inArgumentsCount, outArgumentsCount); funcs[i] = new Function(cfg.Blocks, $"fun{i}", false, inArgumentsCount, outArgumentsCount);