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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/Instructions/InstGenHelper.cs
parentf617fb542a0e3d36012d77a4b5acbde7b08902f2 (diff)
Initial work
Diffstat (limited to 'Ryujinx.Graphics/Shader/CodeGen/Glsl/Instructions/InstGenHelper.cs')
-rw-r--r--Ryujinx.Graphics/Shader/CodeGen/Glsl/Instructions/InstGenHelper.cs170
1 files changed, 0 insertions, 170 deletions
diff --git a/Ryujinx.Graphics/Shader/CodeGen/Glsl/Instructions/InstGenHelper.cs b/Ryujinx.Graphics/Shader/CodeGen/Glsl/Instructions/InstGenHelper.cs
deleted file mode 100644
index 9855cd91..00000000
--- a/Ryujinx.Graphics/Shader/CodeGen/Glsl/Instructions/InstGenHelper.cs
+++ /dev/null
@@ -1,170 +0,0 @@
-using Ryujinx.Graphics.Shader.IntermediateRepresentation;
-using Ryujinx.Graphics.Shader.StructuredIr;
-
-using static Ryujinx.Graphics.Shader.CodeGen.Glsl.TypeConversion;
-
-namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
-{
- static class InstGenHelper
- {
- private static InstInfo[] _infoTbl;
-
- static InstGenHelper()
- {
- _infoTbl = new InstInfo[(int)Instruction.Count];
-
- Add(Instruction.Absolute, InstType.CallUnary, "abs");
- Add(Instruction.Add, InstType.OpBinaryCom, "+", 2);
- Add(Instruction.BitfieldExtractS32, InstType.CallTernary, "bitfieldExtract");
- Add(Instruction.BitfieldExtractU32, InstType.CallTernary, "bitfieldExtract");
- Add(Instruction.BitfieldInsert, InstType.CallQuaternary, "bitfieldInsert");
- Add(Instruction.BitfieldReverse, InstType.CallUnary, "bitfieldReverse");
- Add(Instruction.BitwiseAnd, InstType.OpBinaryCom, "&", 6);
- Add(Instruction.BitwiseExclusiveOr, InstType.OpBinaryCom, "^", 7);
- Add(Instruction.BitwiseNot, InstType.OpUnary, "~", 0);
- Add(Instruction.BitwiseOr, InstType.OpBinaryCom, "|", 8);
- Add(Instruction.Ceiling, InstType.CallUnary, "ceil");
- Add(Instruction.Clamp, InstType.CallTernary, "clamp");
- Add(Instruction.ClampU32, InstType.CallTernary, "clamp");
- Add(Instruction.CompareEqual, InstType.OpBinaryCom, "==", 5);
- Add(Instruction.CompareGreater, InstType.OpBinary, ">", 4);
- Add(Instruction.CompareGreaterOrEqual, InstType.OpBinary, ">=", 4);
- Add(Instruction.CompareGreaterOrEqualU32, InstType.OpBinary, ">=", 4);
- Add(Instruction.CompareGreaterU32, InstType.OpBinary, ">", 4);
- Add(Instruction.CompareLess, InstType.OpBinary, "<", 4);
- Add(Instruction.CompareLessOrEqual, InstType.OpBinary, "<=", 4);
- Add(Instruction.CompareLessOrEqualU32, InstType.OpBinary, "<=", 4);
- Add(Instruction.CompareLessU32, InstType.OpBinary, "<", 4);
- Add(Instruction.CompareNotEqual, InstType.OpBinaryCom, "!=", 5);
- Add(Instruction.ConditionalSelect, InstType.OpTernary, "?:", 12);
- Add(Instruction.ConvertFPToS32, InstType.CallUnary, "int");
- Add(Instruction.ConvertS32ToFP, InstType.CallUnary, "float");
- Add(Instruction.ConvertU32ToFP, InstType.CallUnary, "float");
- Add(Instruction.Cosine, InstType.CallUnary, "cos");
- Add(Instruction.Discard, InstType.OpNullary, "discard");
- Add(Instruction.Divide, InstType.OpBinary, "/", 1);
- Add(Instruction.EmitVertex, InstType.CallNullary, "EmitVertex");
- Add(Instruction.EndPrimitive, InstType.CallNullary, "EndPrimitive");
- Add(Instruction.ExponentB2, InstType.CallUnary, "exp2");
- Add(Instruction.Floor, InstType.CallUnary, "floor");
- Add(Instruction.FusedMultiplyAdd, InstType.CallTernary, "fma");
- Add(Instruction.IsNan, InstType.CallUnary, "isnan");
- Add(Instruction.LoadConstant, InstType.Special);
- Add(Instruction.LogarithmB2, InstType.CallUnary, "log2");
- Add(Instruction.LogicalAnd, InstType.OpBinaryCom, "&&", 9);
- Add(Instruction.LogicalExclusiveOr, InstType.OpBinaryCom, "^^", 10);
- Add(Instruction.LogicalNot, InstType.OpUnary, "!", 0);
- Add(Instruction.LogicalOr, InstType.OpBinaryCom, "||", 11);
- Add(Instruction.LoopBreak, InstType.OpNullary, "break");
- Add(Instruction.LoopContinue, InstType.OpNullary, "continue");
- Add(Instruction.PackHalf2x16, InstType.Special);
- Add(Instruction.ShiftLeft, InstType.OpBinary, "<<", 3);
- Add(Instruction.ShiftRightS32, InstType.OpBinary, ">>", 3);
- Add(Instruction.ShiftRightU32, InstType.OpBinary, ">>", 3);
- Add(Instruction.Maximum, InstType.CallBinary, "max");
- Add(Instruction.MaximumU32, InstType.CallBinary, "max");
- Add(Instruction.Minimum, InstType.CallBinary, "min");
- Add(Instruction.MinimumU32, InstType.CallBinary, "min");
- Add(Instruction.Multiply, InstType.OpBinaryCom, "*", 1);
- Add(Instruction.Negate, InstType.OpUnary, "-", 0);
- Add(Instruction.ReciprocalSquareRoot, InstType.CallUnary, "inversesqrt");
- Add(Instruction.Return, InstType.OpNullary, "return");
- Add(Instruction.Sine, InstType.CallUnary, "sin");
- Add(Instruction.SquareRoot, InstType.CallUnary, "sqrt");
- Add(Instruction.Subtract, InstType.OpBinary, "-", 2);
- Add(Instruction.TextureSample, InstType.Special);
- Add(Instruction.TextureSize, InstType.Special);
- Add(Instruction.Truncate, InstType.CallUnary, "trunc");
- Add(Instruction.UnpackHalf2x16, InstType.Special);
- }
-
- private static void Add(Instruction inst, InstType flags, string opName = null, int precedence = 0)
- {
- _infoTbl[(int)inst] = new InstInfo(flags, opName, precedence);
- }
-
- public static InstInfo GetInstructionInfo(Instruction inst)
- {
- return _infoTbl[(int)(inst & Instruction.Mask)];
- }
-
- public static string GetSoureExpr(CodeGenContext context, IAstNode node, VariableType dstType)
- {
- return ReinterpretCast(context, node, OperandManager.GetNodeDestType(node), dstType);
- }
-
- public static string Enclose(string expr, IAstNode node, Instruction pInst, bool isLhs)
- {
- InstInfo pInfo = GetInstructionInfo(pInst);
-
- return Enclose(expr, node, pInst, pInfo, isLhs);
- }
-
- public static string Enclose(string expr, IAstNode node, Instruction pInst, InstInfo pInfo, bool isLhs = false)
- {
- if (NeedsParenthesis(node, pInst, pInfo, isLhs))
- {
- expr = "(" + expr + ")";
- }
-
- return expr;
- }
-
- public static bool NeedsParenthesis(IAstNode node, Instruction pInst, InstInfo pInfo, bool isLhs)
- {
- // If the node isn't a operation, then it can only be a operand,
- // and those never needs to be surrounded in parenthesis.
- if (!(node is AstOperation operation))
- {
- // This is sort of a special case, if this is a negative constant,
- // and it is consumed by a unary operation, we need to put on the parenthesis,
- // as in GLSL a sequence like --2 or ~-1 is not valid.
- if (IsNegativeConst(node) && pInfo.Type == InstType.OpUnary)
- {
- return true;
- }
-
- return false;
- }
-
- if ((pInfo.Type & (InstType.Call | InstType.Special)) != 0)
- {
- return false;
- }
-
- InstInfo info = _infoTbl[(int)(operation.Inst & Instruction.Mask)];
-
- if ((info.Type & (InstType.Call | InstType.Special)) != 0)
- {
- return false;
- }
-
- if (info.Precedence < pInfo.Precedence)
- {
- return false;
- }
-
- if (info.Precedence == pInfo.Precedence && isLhs)
- {
- return false;
- }
-
- if (pInst == operation.Inst && info.Type == InstType.OpBinaryCom)
- {
- return false;
- }
-
- return true;
- }
-
- private static bool IsNegativeConst(IAstNode node)
- {
- if (!(node is AstOperand operand))
- {
- return false;
- }
-
- return operand.Type == OperandType.Constant && operand.Value < 0;
- }
- }
-} \ No newline at end of file