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Ryujinx/Ryujinx.Graphics.Shader/Decoders/Condition.cs

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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 00:57:08 +01:00
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
}
}