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-rw-r--r--src/Ryujinx.Graphics.Shader/CodeGen/Spirv/ScalingHelpers.cs227
1 files changed, 0 insertions, 227 deletions
diff --git a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/ScalingHelpers.cs b/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/ScalingHelpers.cs
deleted file mode 100644
index c8b21e88..00000000
--- a/src/Ryujinx.Graphics.Shader/CodeGen/Spirv/ScalingHelpers.cs
+++ /dev/null
@@ -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;
- }
- }
-} \ No newline at end of file