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https://github.com/ryujinx-mirror/ryujinx.git
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6b23a2c125
* 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
61 lines
No EOL
1.4 KiB
C#
61 lines
No EOL
1.4 KiB
C#
using System.Collections.Generic;
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namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
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{
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class BasicBlock
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{
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public int Index { get; set; }
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public LinkedList<INode> Operations { get; }
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private BasicBlock _next;
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private BasicBlock _branch;
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public BasicBlock Next
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{
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get => _next;
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set => _next = AddSuccessor(_next, value);
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}
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public BasicBlock Branch
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{
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get => _branch;
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set => _branch = AddSuccessor(_branch, value);
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}
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public bool HasBranch => _branch != null;
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public List<BasicBlock> Predecessors { get; }
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public HashSet<BasicBlock> DominanceFrontiers { get; }
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public BasicBlock ImmediateDominator { get; set; }
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public BasicBlock()
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{
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Operations = new LinkedList<INode>();
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Predecessors = new List<BasicBlock>();
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DominanceFrontiers = new HashSet<BasicBlock>();
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}
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public BasicBlock(int index) : this()
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{
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Index = index;
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}
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private BasicBlock AddSuccessor(BasicBlock oldBlock, BasicBlock newBlock)
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{
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oldBlock?.Predecessors.Remove(this);
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newBlock?.Predecessors.Add(this);
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return newBlock;
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}
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public INode GetLastOp()
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{
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return Operations.Last?.Value;
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}
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}
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} |