aboutsummaryrefslogtreecommitdiff
path: root/Ryujinx.Graphics/Shader/CodeGen/Glsl/OperandManager.cs
diff options
context:
space:
mode:
authorgdk <gab.dark.100@gmail.com>2019-10-13 03:02:07 -0300
committerThog <thog@protonmail.com>2020-01-09 02:13:00 +0100
commit1876b346fea647e8284a66bb6d62c38801035cff (patch)
tree6eeff094298cda84d1613dc5ec0691e51d7b35f1 /Ryujinx.Graphics/Shader/CodeGen/Glsl/OperandManager.cs
parentf617fb542a0e3d36012d77a4b5acbde7b08902f2 (diff)
Initial work
Diffstat (limited to 'Ryujinx.Graphics/Shader/CodeGen/Glsl/OperandManager.cs')
-rw-r--r--Ryujinx.Graphics/Shader/CodeGen/Glsl/OperandManager.cs249
1 files changed, 0 insertions, 249 deletions
diff --git a/Ryujinx.Graphics/Shader/CodeGen/Glsl/OperandManager.cs b/Ryujinx.Graphics/Shader/CodeGen/Glsl/OperandManager.cs
deleted file mode 100644
index 19f7185e..00000000
--- a/Ryujinx.Graphics/Shader/CodeGen/Glsl/OperandManager.cs
+++ /dev/null
@@ -1,249 +0,0 @@
-using Ryujinx.Graphics.Gal;
-using Ryujinx.Graphics.Shader.IntermediateRepresentation;
-using Ryujinx.Graphics.Shader.StructuredIr;
-using System;
-using System.Collections.Generic;
-
-using static Ryujinx.Graphics.Shader.StructuredIr.InstructionInfo;
-
-namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
-{
- class OperandManager
- {
- private static string[] _stagePrefixes = new string[] { "vp", "tcp", "tep", "gp", "fp" };
-
- private struct BuiltInAttribute
- {
- public string Name { get; }
-
- public VariableType Type { get; }
-
- public BuiltInAttribute(string name, VariableType type)
- {
- Name = name;
- Type = type;
- }
- }
-
- private static Dictionary<int, BuiltInAttribute> _builtInAttributes =
- new Dictionary<int, BuiltInAttribute>()
- {
- { AttributeConsts.Layer, new BuiltInAttribute("gl_Layer", VariableType.S32) },
- { AttributeConsts.PointSize, new BuiltInAttribute("gl_PointSize", VariableType.F32) },
- { AttributeConsts.PositionX, new BuiltInAttribute("gl_Position.x", VariableType.F32) },
- { AttributeConsts.PositionY, new BuiltInAttribute("gl_Position.y", VariableType.F32) },
- { AttributeConsts.PositionZ, new BuiltInAttribute("gl_Position.z", VariableType.F32) },
- { AttributeConsts.PositionW, new BuiltInAttribute("gl_Position.w", VariableType.F32) },
- { AttributeConsts.ClipDistance0, new BuiltInAttribute("gl_ClipDistance[0]", VariableType.F32) },
- { AttributeConsts.ClipDistance1, new BuiltInAttribute("gl_ClipDistance[1]", VariableType.F32) },
- { AttributeConsts.ClipDistance2, new BuiltInAttribute("gl_ClipDistance[2]", VariableType.F32) },
- { AttributeConsts.ClipDistance3, new BuiltInAttribute("gl_ClipDistance[3]", VariableType.F32) },
- { AttributeConsts.ClipDistance4, new BuiltInAttribute("gl_ClipDistance[4]", VariableType.F32) },
- { AttributeConsts.ClipDistance5, new BuiltInAttribute("gl_ClipDistance[5]", VariableType.F32) },
- { AttributeConsts.ClipDistance6, new BuiltInAttribute("gl_ClipDistance[6]", VariableType.F32) },
- { AttributeConsts.ClipDistance7, new BuiltInAttribute("gl_ClipDistance[7]", VariableType.F32) },
- { AttributeConsts.PointCoordX, new BuiltInAttribute("gl_PointCoord.x", VariableType.F32) },
- { AttributeConsts.PointCoordY, new BuiltInAttribute("gl_PointCoord.y", VariableType.F32) },
- { AttributeConsts.TessCoordX, new BuiltInAttribute("gl_TessCoord.x", VariableType.F32) },
- { AttributeConsts.TessCoordY, new BuiltInAttribute("gl_TessCoord.y", VariableType.F32) },
- { AttributeConsts.InstanceId, new BuiltInAttribute("instance", VariableType.S32) },
- { AttributeConsts.VertexId, new BuiltInAttribute("gl_VertexID", VariableType.S32) },
- { AttributeConsts.FrontFacing, new BuiltInAttribute("gl_FrontFacing", VariableType.Bool) },
- { AttributeConsts.FragmentOutputDepth, new BuiltInAttribute("gl_FragDepth", VariableType.F32) }
- };
-
- private Dictionary<AstOperand, string> _locals;
-
- public OperandManager()
- {
- _locals = new Dictionary<AstOperand, string>();
- }
-
- public string DeclareLocal(AstOperand operand)
- {
- string name = $"{DefaultNames.LocalNamePrefix}_{_locals.Count}";
-
- _locals.Add(operand, name);
-
- return name;
- }
-
- public string GetExpression(AstOperand operand, GalShaderType shaderType)
- {
- switch (operand.Type)
- {
- case OperandType.Attribute:
- return GetAttributeName(operand, shaderType);
-
- case OperandType.Constant:
- return NumberFormatter.FormatInt(operand.Value);
-
- case OperandType.ConstantBuffer:
- return GetConstantBufferName(operand, shaderType);
-
- case OperandType.LocalVariable:
- return _locals[operand];
-
- case OperandType.Undefined:
- return DefaultNames.UndefinedName;
- }
-
- throw new ArgumentException($"Invalid operand type \"{operand.Type}\".");
- }
-
- public static string GetConstantBufferName(AstOperand cbuf, GalShaderType shaderType)
- {
- string ubName = GetUbName(shaderType, cbuf.CbufSlot);
-
- ubName += "[" + (cbuf.CbufOffset >> 2) + "]";
-
- return ubName + "." + GetSwizzleMask(cbuf.CbufOffset & 3);
- }
-
- public static string GetConstantBufferName(IAstNode slot, string offsetExpr, GalShaderType shaderType)
- {
- // Non-constant slots are not supported.
- // It is expected that upstream stages are never going to generate non-constant
- // slot access.
- AstOperand operand = (AstOperand)slot;
-
- string ubName = GetUbName(shaderType, operand.Value);
-
- string index0 = "[" + offsetExpr + " >> 4]";
- string index1 = "[" + offsetExpr + " >> 2 & 3]";
-
- return ubName + index0 + index1;
- }
-
- public static string GetOutAttributeName(AstOperand attr, GalShaderType shaderType)
- {
- return GetAttributeName(attr, shaderType, isOutAttr: true);
- }
-
- private static string GetAttributeName(AstOperand attr, GalShaderType shaderType, bool isOutAttr = false)
- {
- int value = attr.Value;
-
- string swzMask = GetSwizzleMask((value >> 2) & 3);
-
- if (value >= AttributeConsts.UserAttributeBase &&
- value < AttributeConsts.UserAttributeEnd)
- {
- value -= AttributeConsts.UserAttributeBase;
-
- string prefix = isOutAttr
- ? DefaultNames.OAttributePrefix
- : DefaultNames.IAttributePrefix;
-
- string name = $"{prefix}{(value >> 4)}";
-
- if (shaderType == GalShaderType.Geometry && !isOutAttr)
- {
- name += "[0]";
- }
-
- name += "." + swzMask;
-
- return name;
- }
- else
- {
- if (value >= AttributeConsts.FragmentOutputColorBase &&
- value < AttributeConsts.FragmentOutputColorEnd)
- {
- value -= AttributeConsts.FragmentOutputColorBase;
-
- return $"{DefaultNames.OAttributePrefix}{(value >> 4)}.{swzMask}";
- }
- else if (_builtInAttributes.TryGetValue(value & ~3, out BuiltInAttribute builtInAttr))
- {
- // TODO: There must be a better way to handle this...
- if (shaderType == GalShaderType.Fragment)
- {
- switch (value & ~3)
- {
- case AttributeConsts.PositionX: return "gl_FragCoord.x";
- case AttributeConsts.PositionY: return "gl_FragCoord.y";
- case AttributeConsts.PositionZ: return "gl_FragCoord.z";
- case AttributeConsts.PositionW: return "1.0";
- }
- }
-
- string name = builtInAttr.Name;
-
- if (shaderType == GalShaderType.Geometry && !isOutAttr)
- {
- name = "gl_in[0]." + name;
- }
-
- return name;
- }
- }
-
- // TODO: Warn about unknown built-in attribute.
-
- return isOutAttr ? "// bad_attr0x" + value.ToString("X") : "0.0";
- }
-
- public static string GetUbName(GalShaderType shaderType, int slot)
- {
- string ubName = GetShaderStagePrefix(shaderType);
-
- ubName += "_" + DefaultNames.UniformNamePrefix + slot;
-
- return ubName + "_" + DefaultNames.UniformNameSuffix;
- }
-
- public static string GetSamplerName(GalShaderType shaderType, AstTextureOperation texOp)
- {
- string suffix;
-
- if ((texOp.Flags & TextureFlags.Bindless) != 0)
- {
- AstOperand operand = texOp.GetSource(0) as AstOperand;
-
- suffix = "_cb" + operand.CbufSlot + "_" + operand.CbufOffset;
- }
- else
- {
- suffix = (texOp.Handle - 8).ToString();
- }
-
- return GetShaderStagePrefix(shaderType) + "_" + DefaultNames.SamplerNamePrefix + suffix;
- }
-
- public static string GetShaderStagePrefix(GalShaderType shaderType)
- {
- return _stagePrefixes[(int)shaderType];
- }
-
- private static string GetSwizzleMask(int value)
- {
- return "xyzw".Substring(value, 1);
- }
-
- public static VariableType GetNodeDestType(IAstNode node)
- {
- if (node is AstOperation operation)
- {
- return GetDestVarType(operation.Inst);
- }
- else if (node is AstOperand operand)
- {
- if (operand.Type == OperandType.Attribute)
- {
- if (_builtInAttributes.TryGetValue(operand.Value & ~3, out BuiltInAttribute builtInAttr))
- {
- return builtInAttr.Type;
- }
- }
-
- return OperandInfo.GetVarType(operand);
- }
- else
- {
- throw new ArgumentException($"Invalid node type \"{node?.GetType().Name ?? "null"}\".");
- }
- }
- }
-} \ No newline at end of file