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ryujinx-fork/Ryujinx.Graphics/Shader/Decoders/Condition.cs
gdkchan 6b23a2c125 New shader translator implementation (#654)
* Start implementing a new shader translator

* Fix shift instructions and a typo

* Small refactoring on StructuredProgram, move RemovePhis method to a separate class

* Initial geometry shader support

* Implement TLD4

* Fix -- There's no negation on FMUL32I

* Add constant folding and algebraic simplification optimizations, nits

* Some leftovers from constant folding

* Avoid cast for constant assignments

* Add a branch elimination pass, and misc small fixes

* Remove redundant branches, add expression propagation and other improvements on the code

* Small leftovers -- add missing break and continue, remove unused properties, other improvements

* Add null check to handle empty block cases on block visitor

* Add HADD2 and HMUL2 half float shader instructions

* Optimize pack/unpack sequences, some fixes related to half float instructions

* Add TXQ, TLD, TLDS and TLD4S shader texture instructions, and some support for bindless textures, some refactoring on codegen

* Fix copy paste mistake that caused RZ to be ignored on the AST instruction

* Add workaround for conditional exit, and fix half float instruction with constant buffer

* Add missing 0.0 source for TLDS.LZ variants

* Simplify the switch for TLDS.LZ

* Texture instructions related fixes

* Implement the HFMA instruction, and some misc. fixes

* Enable constant folding on UnpackHalf2x16 instructions

* Refactor HFMA to use OpCode* for opcode decoding rather than on the helper methods

* Remove the old shader translator

* Remove ShaderDeclInfo and other unused things

* Add dual vertex shader support

* Add ShaderConfig, used to pass shader type and maximum cbuffer size

* Move and rename some instruction enums

* Move texture instructions into a separate file

* Move operand GetExpression and locals management to OperandManager

* Optimize opcode decoding using a simple list and binary search

* Add missing condition for do-while on goto elimination

* Misc. fixes on texture instructions

* Simplify TLDS switch

* Address PR feedback, and a nit
2019-04-18 09:57:08 +10:00

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C#

namespace Ryujinx.Graphics.Shader.Decoders
{
enum Condition
{
Less = 1 << 0,
Equal = 1 << 1,
Greater = 1 << 2,
Nan = 1 << 3,
Unsigned = 1 << 4,
Never = 0,
LessOrEqual = Less | Equal,
NotEqual = Less | Greater,
GreaterOrEqual = Greater | Equal,
Number = Greater | Equal | Less,
LessUnordered = Less | Nan,
EqualUnordered = Equal | Nan,
LessOrEqualUnordered = LessOrEqual | Nan,
GreaterUnordered = Greater | Nan,
NotEqualUnordered = NotEqual | Nan,
GreaterOrEqualUnordered = GreaterOrEqual | Nan,
Always = 0xf,
Off = Unsigned | Never,
Lower = Unsigned | Less,
Sff = Unsigned | Equal,
LowerOrSame = Unsigned | LessOrEqual,
Higher = Unsigned | Greater,
Sft = Unsigned | NotEqual,
HigherOrSame = Unsigned | GreaterOrEqual,
Oft = Unsigned | Always,
CsmTa = 0x18,
CsmTr = 0x19,
CsmMx = 0x1a,
FcsmTa = 0x1b,
FcsmTr = 0x1c,
FcsmMx = 0x1d,
Rle = 0x1e,
Rgt = 0x1f
}
}